EP0782091A1 - Front plate for an apparatus - Google Patents

Front plate for an apparatus Download PDF

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Publication number
EP0782091A1
EP0782091A1 EP96118481A EP96118481A EP0782091A1 EP 0782091 A1 EP0782091 A1 EP 0782091A1 EP 96118481 A EP96118481 A EP 96118481A EP 96118481 A EP96118481 A EP 96118481A EP 0782091 A1 EP0782091 A1 EP 0782091A1
Authority
EP
European Patent Office
Prior art keywords
front panel
panel according
layer
setting means
device front
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96118481A
Other languages
German (de)
French (fr)
Other versions
EP0782091B1 (en
Inventor
Jonas Bergman
Pär Emtell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maquet Critical Care AB
Original Assignee
Siemens Elema AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Elema AB filed Critical Siemens Elema AB
Publication of EP0782091A1 publication Critical patent/EP0782091A1/en
Application granted granted Critical
Publication of EP0782091B1 publication Critical patent/EP0782091B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/181—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks using a programmable display, e.g. LED or LCD
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/703—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/005—Electromechanical pulse generators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/038—Properties of the substrate transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/046—Properties of the spacer
    • H01H2209/06—Properties of the spacer transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/01—Mounting on appliance
    • H01H2223/028—Mounting on appliance detachable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S715/00—Data processing: presentation processing of document, operator interface processing, and screen saver display processing
    • Y10S715/961—Operator interface with visual structure or function dictated by intended use

Definitions

  • the invention relates to a device front panel with a mechanical user interface in the form of mechanically controllable control and setting means on the front of the front panel.
  • So-called touch screens which have several different transparent layers on which conductive patterns are printed, are already known.
  • the layers are so sensitive to pressure that the impedance in the line pattern is changed when the layer is pressed or touched on the screen, this change in impedance being used to bring about different functions in an associated computer.
  • DE-A1 34 09 532, US-A 4 653 086 and US-A 4 566 001 describe such devices in which resistive changes are used when touching the pressure-sensitive layers and in DE-A1 32 30 919 describes a technique in which the capacitive changes in touch are used to control a display device.
  • the already known technology described is particularly suitable for applications in which the user can choose between a number of information images, such as the Menu selection, with process controls in the field of industry, with various instruments, etc. to choose.
  • the invention has for its object to provide a front panel with a mechanical user interface that is easy to change and bring up to date.
  • the appearance of the front panel according to the invention can thus be changed simply by changing the appearance of the screen or display behind it, i.e. in this case, the appearance of the front panel is changed by software or by replacing the printed pad.
  • Another advantage of the front panel according to the invention is that it is simple to manufacture, and essentially a known technique can be used.
  • the electrical conductors are preferably produced using known hybrid printing technology and are so fine that they do not interfere with transparency.
  • the front panel is also easy to attach to a screen or display, making it easy to replace.
  • part of the front panel is designed such that it can be attached via a screen or via a display, while another part of the front panel is designed such that it is to be attached above a pressurized base.
  • Parts of the front panel according to the invention can also be opaque.
  • the device front panel comprises three joined layers, the named electrical conductors and the components being arranged in the rearmost layer, while the intermediate layer as an insulation and spacer layer and the front layer as a controller for the control and adjusting means.
  • the insulating ability of the layer in between must be sufficient so that components such as potentiometers can work with analog signals.
  • they are preferably joined together by vacuum glue.
  • the front and intermediate layers can be made in one piece.
  • a conductive layer such as a metal or carbon layer, is arranged between the front and the intermediate layer in order to obtain a shield against electromagnetic interference.
  • the front layer can be conductive.
  • the rearmost layer of the front panel according to the invention can be made very thin, while the further layers must be so thick that the push buttons and the rotary knobs receive sufficient guidance in the area of their passages through these layers.
  • the layers should not be made thicker than necessary, since the thickness can affect the transparency.
  • the total thickness of the front panel is preferably less than 1 cm.
  • recesses for the control and setting means are drilled in the front and in the intermediate layer, these layers having to have a certain thickness, so that the control and setting means, as mentioned above, one adequate leadership received in these recesses.
  • the bushings of the regulating and adjusting means are sealed against the front of the panel or against the wall of the drilled recesses, for example with an O-ring.
  • the screen or the pad provided with pressure is designed like a thin display which lies firmly against the back of the front panel.
  • Cheap displays that are suitable for this purpose are commercially available goods. In this way, a complete front panel unit is given.
  • the embodiment of the front panel according to the invention shown in FIG. 1 comprises three layers 2, 4, 6 joined together from a transparent material, such as plexiglass. Layers 2, 4, 6 are vacuum glued to avoid blistering between the layers put together. Layers 2 and 4 can also be made in one piece.
  • Fine conductor patterns are printed on the rear layer 6 in order to connect various mechanical regulating and setting means which can be controlled on the front side of the front panel to a front panel connection 12 in the form of contacts or flat cables. These conductor patterns, which are so fine that they do not interfere with the transparency, are produced using a screen printing technique.
  • the printed conductor patterns can also be made from carbon tracks.
  • the front panel has only a single front panel connection 12, the front panel can be switched on and off when it has to be replaced.
  • Layer 4 is an insulation and spacer layer, and front layer 2 serves as a guide for the mechanical regulating and setting means 8, 10.
  • Layer 4 must have sufficient insulation so that components such as potentiometers can work with analog signals (FIG. 2).
  • the rear layer 6 can be made very thin, while the front layer 2 must be sufficiently thick so that the mechanical regulating and setting means, such as the pushbutton 8 and the rotary knob 10, have adequate guidance in their respective recesses 14, 16 of the layers 2 , 4 received.
  • the total thickness of the layers 2, 4, 6 should not be greater than necessary, since too large a thickness can have a negative effect on the transparency of the front panel.
  • the front panel according to the invention falls below a total thickness of 1 cm, which ensures a good transparency in a safe manner.
  • a shielding layer is preferably arranged between the layers 2 and 4 in order to shield against electromagnetic interference.
  • the shield layer is a conductive layer, such as a metal layer or a carbon layer.
  • a Metallized polyester film can also be used to advantage. Since the metal layers can be made very thin, approx. 300 nm, the film is transparent.
  • a thin, woven metal cloth can also be used.
  • a cloth can be made of stainless steel wire or black-oxidized copper wire with a wire diameter of 0.05 mm and a mesh size of 100 openings per inch, which makes the cloth sufficiently transparent.
  • layer 2 e.g. be made conductive by metallization to serve as a shield against electromagnetic interference.
  • recesses 14, 16 for the mechanical control and setting means such as the push button 8 and the rotary knob 10 are drilled.
  • the recesses 14, 16 are widened on the layer 4, so that the pushbutton 8 and the rotary knob 10 in their recesses 14 and 16, respectively, of flange-like, projecting parts 18 and 20, which are on the end sides of the pushbutton 8 and the rotary knob 10 , applied to the layer 6, are held.
  • a spring 24 is arranged inside the part 22 of the pushbutton 8, which extends into the recess 14 and which is hollow.
  • the compression spring 24 rests with one end against the layer 6 and with its other end against the end of the part 22 which is directed outwards as seen from the front plate, the spring 24 pressing the push button 8, from the front plate and from the layer 6 seen, pushes outwards.
  • two contacts 26, 28 are arranged, which can be connected to the parts of the line pattern provided on the layer 6 by pushing the push button 8 in the direction inwards into the front panel by overcoming the pressure force of the spring 24 is pressed. If the two contacts 26, 28 are electrically connected to one another, correspondingly contacted parts of the line pattern can accordingly be electrically connected to one another by pressing the button 8.
  • the push button 8 can possibly only be with a contact, e.g. 26, be provided, while 28 serves as a support so that the pushbutton does not lie crooked when pressed in its recess 14 and the contact comes into contact with the layer 6.
  • the rotary knob 10 can be the rotary knob of a potentiometer, a switch, a pulse generator or the like.
  • 20 contacts 30, 32 are arranged on the surface of the flange-like part facing the layer 6 and its line pattern.
  • a support 34 is arranged on the same surface, substantially diametrically opposite the contacts 30, 32, so that the rotary knob 10 always assumes a correct position in the recess 16.
  • a potentiometer pattern is shown on the line pattern of layer 6, which is intended to be located below the rotary knob 10.
  • the potentiometer pattern comprises a resistance track 36, the ends of which are each connected to a conductor 40 or 42, and a closed conductor track 38 which is connected to a conductor 43.
  • a contact plate 31 is arranged which is intended to lie against the tracks 36 and 38, respectively. A part of the entire resistance path between the conductors 40, 43 or between the conductors 42, 43 is consequently short-circuited and this short-circuited part can therefore be varied by turning the knob 10.
  • the pattern of a switch or a pulse generator is shown on the line pattern of layer 6, which is also intended to be located below a rotary knob, such as e.g. the knob 10 to lie.
  • the switch or the pulse generator comprises a circular conductor 46. Outside of this conductor 46, metal tongues 48 are arranged at regular intervals, radially inward.
  • a controllable contact plate or a contact tongue 47 shown with the rotary knob 10 in FIG. 1 is continuously in contact with the conductor 46, which is often connected to earth.
  • the contact plate 47 is so wide that it establishes a connection with two nearby metal tongues 48 in certain layers, while in the layers lying between them it is only connected to one of the metal tongues 48.
  • FIG. 4 shows the pattern of a further embodiment of a switch or pulse generator, which also makes it possible to decide in which direction the associated rotary knob and thus also the contact tongue 64 are rotated.
  • This pattern comprises three conductors 54, 56, 58.
  • the conductor 54 is connected to a circular middle part 55, around the circumference of which the outwardly directed metal tongue 60 is arranged at regular intervals.
  • the conductor 56 is connected in a corresponding manner to a circular part which is provided with inwardly directed conductive tongues which are also arranged at regular intervals. Between these conductors is one with earth connected reference conductor 57 is arranged, which is in connection with the conductor 58.
  • a contact tongue 64 is provided, which can be rotated by means of a rotary knob arranged on the front of the front plate, via the metal tongue 60, via the circular conductor 57, and via the tongues 62.
  • the contact tongue 64 is always in connection with the reference conductor 57, 58 and, viewed from the conductor 57, extends outwards and inwards in such a way that it makes contact with the tongues 60, 62 when it is rotated past.
  • the contact tongue 64 does not reach the circular parts of the inner and outer conductors.
  • the exact appearance and the mutual positions of the pulse trains are determined by the formation of the tongues 60, 62 and their mutual positions.
  • a sealing O-ring 66 is therefore arranged around the rotary knob 10 in FIG. 1.
  • suitable sealing means (not shown here) must be arranged on the pushbutton 8 in order to seal against the front of the front panel or against the wall of the recess 14.
  • the front panel according to the invention is easy to attach to the screen or the display, and the appearance of the front panel can be easily changed by changing the appearance of the screen or the display.
  • the front panel according to the invention can also preferably over a printed pad, such as a printed cardboard, attached, the appearance of the front panel can be changed by changing the pad.
  • the front panel according to the invention can also be designed in such a way that it is placed, for example, partly on the screen or on the display and partly over a printed surface, and some or all of the front panel can be opaque. This opaque part can possibly be provided with, for example, a text on the front of the front panel, either by printing the text directly onto the front panel in this part or by gluing printed paper to the front panel part.
  • a thin display which is adapted to give the appearance of a front panel, can be attached to the rearmost layer. This provides a complete front panel unit.

Abstract

In a panel device with mechanically manoeuvrable control and adjustment parts on the front side, at least part of the panel comprises a transparent material (2, 4, 6) containing an electrically conductive circuit and components for connecting push buttons (8) and knobs (10) for eg. potentiometer, coupler or impulse transmitter, which are located in and controlled from the front of the panel, via a contact switch or flat cable power connection panel (12), with electrical equipment in the device. At least part of the panel is placed in front of a television screen, display screen or pressure-sensitive substrate. The transparent material is preferably perspex.

Description

Die Erfindung bezieht sich auf eine Gerätefrontplatte mit einer mechanischen Benutzergrenzfläche in Form von an der Vorderseite der Frontplatte mechanisch steuerbaren Regel- und Einstellmitteln.The invention relates to a device front panel with a mechanical user interface in the form of mechanically controllable control and setting means on the front of the front panel.

Es besteht häufig der Bedarf, das Aussehen der Gerätefrontplatte zu ändern, z.B. die Sprache bei einem Text an der Frontplatte, Skalen oder andere Änderungen, z.B. als Folge einer geänderten Funktion am Gerät, vorzunehmen. Bis heute ist dieses Problem durch Auswechseln der Frontplatte mit dazugehörender Elektronik, Displays und Steuermitteln gelöst worden. Dies bringt den Nachteil mit sich, dass für ein einziges Gerät eine Mehrzahl verschiedener Frontplatten vorrätig gehalten werden müssen.There is often a need to change the appearance of the front panel, e.g. the language for a text on the front panel, scales or other changes, e.g. as a result of a changed function on the device. To date, this problem has been solved by replacing the front panel with the associated electronics, displays and control means. This has the disadvantage that a plurality of different front panels have to be kept in stock for a single device.

Es sind bereits sogenannte Berührungsschirme oder touchscreens, die mehrere verschiedene transparente Schichten aufweisen, auf denen leitende Muster gedruckt sind, bekannt. Die Schichten sind derart druckempfindlich, dass die Impedanz im Leitungsmuster beim Drücken auf oder beim Berühren der Schicht am Schirm geändert wird, wobei diese Impedanzänderung benutzt wird, um bei einem dazugehörenden Computer unterschiedliche Funktionen zustandezubringen. In der DE-A1 34 09 532, in der US-A 4 653 086 und in der US-A 4 566 001 sind solche Vorrichtungen beschrieben, bei denen resistive Veränderungen beim Berühren der druckempfindlichen Schichten benutzt werden und in der DE-A1 32 30 919 ist eine Technik beschrieben, bei der die kapazitiven Veränderungen beim Berühren zum Steuern einer Display-Vorrichtung benutzt werden. Die beschriebene, bereits bekannte Technik ist insbesondere für Anwendungen geeignet, bei denen der Benutzer zwischen einer Anzahl von Informationsbildern, wie bei der Menüwahl, bei Prozessteuerungen im Bereich der Industrie, bei verschiedenen Instrumenten usw. zu wählen hat.So-called touch screens, which have several different transparent layers on which conductive patterns are printed, are already known. The layers are so sensitive to pressure that the impedance in the line pattern is changed when the layer is pressed or touched on the screen, this change in impedance being used to bring about different functions in an associated computer. DE-A1 34 09 532, US-A 4 653 086 and US-A 4 566 001 describe such devices in which resistive changes are used when touching the pressure-sensitive layers and in DE-A1 32 30 919 describes a technique in which the capacitive changes in touch are used to control a display device. The already known technology described is particularly suitable for applications in which the user can choose between a number of information images, such as the Menu selection, with process controls in the field of industry, with various instruments, etc. to choose.

Der Erfindung liegt die Aufgabe zugrunde, eine Gerätefrontplatte mit einer mechanischen Benutzergrenzfläche zu schaffen, die einfach zu ändern und auf den neusten Stand zu bringen ist.The invention has for its object to provide a front panel with a mechanical user interface that is easy to change and bring up to date.

Diese Aufgabe ist mit einer Gerätefrontplatte der eingangs genannten Art mit den im Anspruch 1 angegebenen Merkmalen gelöst. Das Aussehen der Frontplatte nach der Erfindung kann somit einfach geändert werden, indem das Aussehen des dahinterliegenden Bildschirmes oder des Displays geändert wird, d.h. in diesem Fall erfolgt die Veränderung des Aussehens der Frontplatte softwaremässig oder indem die mit dem Druck versehene Unterlage ausgetauscht wird. Ein weiterer Vorteil der Frontplatte nach der Erfindung ist es, dass sie in der Herstellung einfach ist, wobei im wesentlichen eine bekannte Technik benutzt werden kann. Die elektrischen Leiter sind vorzugsweise mit bekannter Hybriddrucktechnik hergestellt worden und sind so fein, dass sie die Transparenz nicht stören. Die Frontplatte ist ausserdem einfach auf einem Bildschirm oder auf einem Display zu befestigen und ist damit auch einfach auszutauschen.This object is achieved with a device front panel of the type mentioned with the features specified in claim 1. The appearance of the front panel according to the invention can thus be changed simply by changing the appearance of the screen or display behind it, i.e. in this case, the appearance of the front panel is changed by software or by replacing the printed pad. Another advantage of the front panel according to the invention is that it is simple to manufacture, and essentially a known technique can be used. The electrical conductors are preferably produced using known hybrid printing technology and are so fine that they do not interfere with transparency. The front panel is also easy to attach to a screen or display, making it easy to replace.

Nach einer vorteilhaften Ausführungsform der Frontplatte nach der Erfindung ist ein Teil der Frontplatte derart ausgebildet, dass sie über einen Bildschirm oder über ein Display anzubringen ist, während ein weiteres Teil der Frontplatte derart ausgebildet ist, dass sie über einer mit Druck versehenen Unterlage anzubringen ist. Hierdurch sind selbstverständlich eine Vielzahl verschiedener Kombinationen an der Frontplatte nach der Erfindung möglich. Teile der Frontplatte nach der Erfindung können auch undurchsichtig sein.According to an advantageous embodiment of the front panel according to the invention, part of the front panel is designed such that it can be attached via a screen or via a display, while another part of the front panel is designed such that it is to be attached above a pressurized base. This of course allows a variety of different combinations on the front panel according to the invention. Parts of the front panel according to the invention can also be opaque.

In einer weiteren vorteilhaften Ausführungsform der Gerätefrontplatte nach der Erfindung umfasst diese drei zusammengefügte Schichten, wobei die genannten elektrischen Leiter sowie die Komponenten in der hintersten Schicht angeordnet sind, während die dazwischenliegende Schicht als Isolier- und Distanzschicht und die vordere Schicht als Steuerung für die Regel- und Einstellmittel dient. Das Isoliervermögen der dazwischenliegenden Schicht muss ausreichend sein, damit Komponenten wie Potentiometer mit analogen Signalen arbeiten können. Um das Bilden von Blasen zwischen den Schichten zu vermeiden, sind sie vorzugsweise durch Vakuumleimen zusammengefügt. Als Alternative kann die vordere und die dazwischenliegende Schicht in einem Stück hergestellt sein.In a further advantageous embodiment of the device front panel according to the invention, it comprises three joined layers, the named electrical conductors and the components being arranged in the rearmost layer, while the intermediate layer as an insulation and spacer layer and the front layer as a controller for the control and adjusting means. The insulating ability of the layer in between must be sufficient so that components such as potentiometers can work with analog signals. In order to avoid the formation of bubbles between the layers, they are preferably joined together by vacuum glue. Alternatively, the front and intermediate layers can be made in one piece.

In einer weiteren vorteilhaften Ausführungsform der Frontplatte nach der Erfindung ist eine leitende Schicht, wie eine Metall- oder Kohleschicht zwischen der vorderen und der dazwischenliegenden Schicht angeordnet, um eine Abschirmung gegen elektormagnetische Störungen zu erhalten. Als Alternative kann die vordere Schicht leitend sein.In a further advantageous embodiment of the front plate according to the invention, a conductive layer, such as a metal or carbon layer, is arranged between the front and the intermediate layer in order to obtain a shield against electromagnetic interference. Alternatively, the front layer can be conductive.

Die hinterste Schicht der Frontplatte nach der Erfindung kann sehr dünn gemacht werden, während die weiteren Schichten so dick sein müssen, dass die Drucktasten und die Drehknöpfe eine ausreichende Führung im Bereich ihrer Durchführungen durch diese Schichten erhalten. Die Schichten sollten jedoch nicht dicker als notwendig gemacht werden, da die Stärke die Durchsichtigkeit beeinflussen kann. Nach der Erfindung wird die totale Stärke der Frontplatte vorzugsweise 1 cm unterschreiten.The rearmost layer of the front panel according to the invention can be made very thin, while the further layers must be so thick that the push buttons and the rotary knobs receive sufficient guidance in the area of their passages through these layers. However, the layers should not be made thicker than necessary, since the thickness can affect the transparency. According to the invention, the total thickness of the front panel is preferably less than 1 cm.

In einer weiteren vorteilhaften Ausführungsform der Frontplatte nach der Erfindung sind Ausnehmungen für die Regel- und Einstellmittel in die vordere und in die dazwischenliegende Schicht gebohrt, wobei diese Schichten eine gewisse Stärke aufweisen müssen, so dass die Regel- und Einstellmittel, wie oben erwähnt, eine ausreichende Führung in diesen Ausnehmungen erhalten. Weiterhin sind, nach einer weiteren vorteilhaften Ausführungsform der Frontplatte nach der Erfindung die Durchführungen der Regel- und Einstellmittel gegen die Vorderseite des Paneels oder gegen die Wand der gebohrten Ausnehmungen, z.B. mit einem O-Ring abgedichtet.In a further advantageous embodiment of the front panel according to the invention, recesses for the control and setting means are drilled in the front and in the intermediate layer, these layers having to have a certain thickness, so that the control and setting means, as mentioned above, one adequate leadership received in these recesses. Furthermore, according to a further advantageous embodiment of the front plate according to the invention, the bushings of the regulating and adjusting means are sealed against the front of the panel or against the wall of the drilled recesses, for example with an O-ring.

In noch einer vorteilhaften Ausführungsform der Frontplatte nach der Erfindung ist der Bildschirm oder die mit Druck versehene Unterlage wie ein dünnes Display ausgebildet, das fest gegen die Rückseite der Frontplatte anliegt. Billige Displays, die für diesen Zweck geeignet sind, sind handelsübliche Waren. Auf diese Weise ist eine komplette Frontplatteneinheit gegeben.In yet another advantageous embodiment of the front panel according to the invention, the screen or the pad provided with pressure is designed like a thin display which lies firmly against the back of the front panel. Cheap displays that are suitable for this purpose are commercially available goods. In this way, a complete front panel unit is given.

Die Erfindung ist nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels erläutert. Es zeigen:

FIG 1
ein Ausführungsbeispiel der Frontplatte nach der Erfindung in einem Querschnitt,
FIG 2
ein Beispiel eines Musters für einen Potentiometer an der Frontplatte nach der Erfindung
FIG 3
ein erstes Beispiel eines Musters für einen Schalter oder einen Impulsgeber an der Frontplatte nach der Erfindung und
FIG 4
ein zweites Beispiel eines Musters für einen Schalter oder einen Impulsgeber an der Frontplatte nach der Erfindung.
The invention is explained below with reference to an embodiment shown in the drawings. Show it:
FIG. 1
an embodiment of the front panel according to the invention in a cross section,
FIG 2
an example of a pattern for a potentiometer on the front panel according to the invention
FIG 3
a first example of a pattern for a switch or a pulse generator on the front panel according to the invention and
FIG 4
a second example of a pattern for a switch or a pulse generator on the front panel according to the invention.

Die in der FIG 1 gezeigte Ausführungsform der Frontplatte nach der Erfindung umfasst drei miteinander zusammengefügte Schichten 2, 4, 6 aus einem durchsichtigen Material, wie z.B. Plexiglas. Die Schichten 2, 4, 6 sind, um Blasenbildung zwischen den Schichten zu vermeiden, durch Vakuumleimen zusammengefügt. Die Schichten 2 und 4 können auch in einem Stück hergestellt sein.The embodiment of the front panel according to the invention shown in FIG. 1 comprises three layers 2, 4, 6 joined together from a transparent material, such as plexiglass. Layers 2, 4, 6 are vacuum glued to avoid blistering between the layers put together. Layers 2 and 4 can also be made in one piece.

Auf der hinteren Schicht 6 sind feine Leitermuster gedruckt, um verschiedene, an der Vorderseite der Frontplatte, steuerbare, mechanische Regel- und Einstellmittel mit einem Frontplattenanschluss 12 in Form von Kontakten oder Flachkabeln zu verbinden. Diese Leitermuster, die so fein sind, dass sie die Durchsichtigkeit nicht stören, sind mit Hilfe einer Siebdrucktechnik hergestellt. Die gedruckten Leitermuster können auch aus Kohlebahnen hergestellt sein.Fine conductor patterns are printed on the rear layer 6 in order to connect various mechanical regulating and setting means which can be controlled on the front side of the front panel to a front panel connection 12 in the form of contacts or flat cables. These conductor patterns, which are so fine that they do not interfere with the transparency, are produced using a screen printing technique. The printed conductor patterns can also be made from carbon tracks.

Dadurch, dass die Frontplatte nur einen einzigen Frontplattenanschluss 12 aufweist, ist die Frontplatte, wenn sie ausgewechselt werden muss, ein- und ausschaltbar.Because the front panel has only a single front panel connection 12, the front panel can be switched on and off when it has to be replaced.

Die Schicht 4 ist eine Isolier- und Distanzschicht, und die vordere Schicht 2 dient als Führung für die mechanischen Regel- und Einstellmittel 8, 10. Die Schicht 4 muss ein ausreichendes Isoliervermögen haben, damit Komponenten wie Potentiometer mit analogen Signalen arbeiten können (FIG. 2). Die hintere Schicht 6 kann sehr dünn gemacht werden, während die vordere Schicht 2 ausreichend dick sein muss, damit die mechanischen Regel- und Einstellmittel, wie die Drucktaste 8 und der Drehknopf 10, eine ausreichende Führung in ihren jeweiligen Ausnehmungen 14, 16 der Schichten 2, 4 erhalten. Die gesamte Stärke der Schichten 2, 4, 6,sollen nicht grösser als notwendig sein, da eine zu grosse Stärke eine negative Einwirkung auf die Durchsichtigkeit der Frontplatte haben kann. Die Frontplatte nach der Erfindung unterschreitet eine totale Stärke von 1 cm, was auf eine sichere Weise eine gute Durchsichtigkeit sicherstellt.Layer 4 is an insulation and spacer layer, and front layer 2 serves as a guide for the mechanical regulating and setting means 8, 10. Layer 4 must have sufficient insulation so that components such as potentiometers can work with analog signals (FIG. 2). The rear layer 6 can be made very thin, while the front layer 2 must be sufficiently thick so that the mechanical regulating and setting means, such as the pushbutton 8 and the rotary knob 10, have adequate guidance in their respective recesses 14, 16 of the layers 2 , 4 received. The total thickness of the layers 2, 4, 6 should not be greater than necessary, since too large a thickness can have a negative effect on the transparency of the front panel. The front panel according to the invention falls below a total thickness of 1 cm, which ensures a good transparency in a safe manner.

Zwischen den Schichten 2 und 4 ist, um gegen elektromagnetische Störungen abzuschirmen, vorzugsweise eine Schirmschicht angeordnet. Die Schirmschicht ist eine leitende Schicht, wie eine Metallschicht oder eine Kohleschicht. Eine metallisierte Polyesterfolie kann auch mit Vorteil verwendet werden. Da die Metallschichten dabei sehr dünn gemacht werden können, ca. 300 nm, ist die Folie durchsichtig. Auch ein dünnes, gewebtes Metalltuch kann verwendet werden. Ein Tuch kann aus einem rostfreien Stahldraht oder aus einem schwarzoxydierten Kupferdraht mit einem Drahtdurchmesser von 0,05 mm und mit einer Maschengrösse von 100 Öffnungen je Zoll gemacht werden, was das Tuch ausreichend transparent macht.A shielding layer is preferably arranged between the layers 2 and 4 in order to shield against electromagnetic interference. The shield layer is a conductive layer, such as a metal layer or a carbon layer. A Metallized polyester film can also be used to advantage. Since the metal layers can be made very thin, approx. 300 nm, the film is transparent. A thin, woven metal cloth can also be used. A cloth can be made of stainless steel wire or black-oxidized copper wire with a wire diameter of 0.05 mm and a mesh size of 100 openings per inch, which makes the cloth sufficiently transparent.

Als Alternative kann die Schicht 2, z.B. durch Metallisierung, leitend gemacht werden, um als Schirm gegen elektromagnetische Störungen zu dienen.Alternatively, layer 2, e.g. be made conductive by metallization to serve as a shield against electromagnetic interference.

In den Schichten 2 und 4 sind Ausnehmungen 14, 16 für die mechanischen Regel- und Einstellmittel wie die Drucktaste 8 und der Drehknopf 10 gebohrt. Die Ausnehmungen 14, 16 sind an der Schicht 4 erweitert, so dass die Drucktaste 8 und der Drehknopf 10 in ihren Ausnehmungen 14 bzw. 16 von flanschähnlichen, herausragenden Teilen 18 bzw. 20, die an den Endseiten der Drucktaste 8 bzw. des Drehknopfes 10, an der Schicht 6 anliegen, festgehalten werden.In layers 2 and 4, recesses 14, 16 for the mechanical control and setting means such as the push button 8 and the rotary knob 10 are drilled. The recesses 14, 16 are widened on the layer 4, so that the pushbutton 8 and the rotary knob 10 in their recesses 14 and 16, respectively, of flange-like, projecting parts 18 and 20, which are on the end sides of the pushbutton 8 and the rotary knob 10 , applied to the layer 6, are held.

Innen in dem Teil 22 der Drucktaste 8, die sich in die Ausnehmung 14 erstreckt und die hohl ist, ist eine Feder 24 angeordnet. Die Druckfeder 24 liegt mit ihrem einen Ende gegen die Schicht 6 und mit ihrem anderen Ende gegen die von der Frontplatte aus gesehen nach aussen gerichteten Ende des Teils 22 an, wobei die Feder 24 die Drucktaste 8, von der Frontplatte und von der Schicht 6 her gesehen, nach aussen drückt.Inside the part 22 of the pushbutton 8, which extends into the recess 14 and which is hollow, a spring 24 is arranged. The compression spring 24 rests with one end against the layer 6 and with its other end against the end of the part 22 which is directed outwards as seen from the front plate, the spring 24 pressing the push button 8, from the front plate and from the layer 6 seen, pushes outwards.

An der Stirnseite des flanschähnlichen Teils 18, das gegen die Schicht 6 und deren Leitungsmuster gewandt ist, sind zwei Kontakte 26, 28 angeordnet, die mit dafür vorgesehenen Teilen des Leitungsmusters an der Schicht 6 in Verbindung gebracht werden können, indem der Druckknopf 8 in Richtung nach innen in die Frontplatte durch Überwindung der Druckkraft der Feder 24 gedrückt wird. Wenn die zwei Kontakte 26, 28 miteinander elektrisch verbunden sind, kann man demnach durch Drücken der Taste 8, entsprechende kontaktierte Teile des Leitungsmusters miteinander elektrisch verbinden.On the front side of the flange-like part 18, which faces the layer 6 and its line pattern, two contacts 26, 28 are arranged, which can be connected to the parts of the line pattern provided on the layer 6 by pushing the push button 8 in the direction inwards into the front panel by overcoming the pressure force of the spring 24 is pressed. If the two contacts 26, 28 are electrically connected to one another, correspondingly contacted parts of the line pattern can accordingly be electrically connected to one another by pressing the button 8.

Die Drucktaste 8 kann eventuell nur mit einem Kontakt, z.B. 26, versehen sein, während 28 als eine Stütze dient, damit die Drucktaste beim Drücken in ihrer Ausnehmung 14 nicht schief zu liegen und der Kontakt mit der Schicht 6 in Verbindung kommt. Der Drehknopf 10 kann der Drehknopf eines Potentiometers, eines Schalters, eines Impulsgebers oder dergleichen sein. Auch in diesem Fall sind an der gegen die Schicht 6 und deren Leitungsmuster zugewandten Fläche des flanschähnlichen Teils 20 Kontakte 30, 32 angeordnet. Auf der gleichen Fläche, im wesentlichen diametral gegenüber den Kontakten 30, 32, ist eine Stütze 34 angeordnet, so dass der Drehknopf 10 immer eine korrekte Lage in der Ausnehmung 16 einnimmt.The push button 8 can possibly only be with a contact, e.g. 26, be provided, while 28 serves as a support so that the pushbutton does not lie crooked when pressed in its recess 14 and the contact comes into contact with the layer 6. The rotary knob 10 can be the rotary knob of a potentiometer, a switch, a pulse generator or the like. In this case too, 20 contacts 30, 32 are arranged on the surface of the flange-like part facing the layer 6 and its line pattern. A support 34 is arranged on the same surface, substantially diametrically opposite the contacts 30, 32, so that the rotary knob 10 always assumes a correct position in the recess 16.

In der FIG 2 ist am Leitungsmuster der Schicht 6 ein Potentiometermuster gezeigt, das dafür vorgesehen ist, unterhalb des Drehknopfes 10 zu liegen. Das Potentiometermuster umfasst eine Widerstandsbahn 36, deren Enden an jeweils einen Leiter 40 bzw. 42 angeschlossen sind sowie eine geschlossene Leitungsbahn 38, die an einen Leiter 43 angeschlossen ist.In FIG 2, a potentiometer pattern is shown on the line pattern of layer 6, which is intended to be located below the rotary knob 10. The potentiometer pattern comprises a resistance track 36, the ends of which are each connected to a conductor 40 or 42, and a closed conductor track 38 which is connected to a conductor 43.

In diesem Fall ist statt der Kontakte 30, 32 ein Kontaktblech 31 angeordnet, das dazu vorgesehen ist, gegen die Bahnen 36 bzw. 38 zu liegen. Ein Teil der gesamten Widerstandsbahn zwischen den Leitern 40, 43 bzw. zwischen den Leitern 42, 43 wird folglich kurzgeschlossen und dieses kurzgeschlossene Teil kann also durch Drehen des Knopfes 10 variiert werden.In this case, instead of the contacts 30, 32, a contact plate 31 is arranged which is intended to lie against the tracks 36 and 38, respectively. A part of the entire resistance path between the conductors 40, 43 or between the conductors 42, 43 is consequently short-circuited and this short-circuited part can therefore be varied by turning the knob 10.

Durch die Drehlage des Drehknopfes 10 wird zwischen den Leitern 40, 43 bzw. zwischen den Leitern 42, 43 folglich eine komplementär variierende Resistenz erhalten. In der Praxis sind oft zwei der Leiter, z.B. die Leiter 42 und 43 zusammengekoppelt und die Messung erfolgt zwischen den zusammengekoppelten Leitern 42, 43 und dem Leiter 40.As a result of the rotational position of the rotary knob 10, a complementarily varying resistance is obtained between the conductors 40, 43 or between the conductors 42, 43. In practice often two of the conductors, for example conductors 42 and 43, are coupled together and the measurement is carried out between the coupled conductors 42, 43 and conductor 40.

In der FIG. 3 ist am Leitungsmuster der Schicht 6 das Muster eines Schalters oder eines Impulsgebers gezeigt, das auch dazu vorgesehen ist, unterhalb eines Drehknopfes, wie z.B. dem Drehknopf 10, zu liegen. Der Schalter oder der Impulsgeber umfasst einen kreisförmigen Leiter 46. Ausserhalb dieses Leiters 46 sind in regelmässigen Abständen, radial nach innen gerichtete Metallzungen 48, angeordnet. Ein mit dem Drehknopf 10 in der FIG 1 dargestelltes steuerbares Kontaktblech oder eine Kontaktzunge 47 liegt dauernd gegen den häufig mit Erde verbundenen Leiter 46 an. Das Kontaktblech 47 ist derart breit, dass es in bestimmten Lagen eine Verbindung mit zwei nahegelegenen Metallzungen 48 herstellt, während es in den dazwischenliegenden Lagen lediglich mit einer der Metallzungen 48 in Verbindung steht. Beim Drehen des Drehknopfes 10 wird bzw. werden demnach eine oder zwei der Metallzungen 48 sukzessiv mit dem mit Erde verbundenen Leiter 46 verbunden. Durch Messen des Widerstandes zwischen den Metallzungen 48 und dem mit Erde verbundenen Leiter 46 ist es also möglich, die Lage des Kontaktblechs 47 sowie dessen Bewegungsrichtung zu bestimmen.In FIG. 3, the pattern of a switch or a pulse generator is shown on the line pattern of layer 6, which is also intended to be located below a rotary knob, such as e.g. the knob 10 to lie. The switch or the pulse generator comprises a circular conductor 46. Outside of this conductor 46, metal tongues 48 are arranged at regular intervals, radially inward. A controllable contact plate or a contact tongue 47 shown with the rotary knob 10 in FIG. 1 is continuously in contact with the conductor 46, which is often connected to earth. The contact plate 47 is so wide that it establishes a connection with two nearby metal tongues 48 in certain layers, while in the layers lying between them it is only connected to one of the metal tongues 48. Accordingly, when the rotary knob 10 is turned, one or two of the metal tongues 48 are successively connected to the conductor 46 connected to earth. By measuring the resistance between the metal tongues 48 and the conductor 46 connected to earth, it is thus possible to determine the position of the contact plate 47 and its direction of movement.

In der FIG. 4 ist das Muster einer weiteren Ausführungsform eines Schalters oder Impulsgebers gezeigt, der es auch ermöglicht zu entscheiden, in welcher Richtung der dazugehörige Drehknopf und damit auch die Kontaktzunge 64 gedreht wird. Dieses Muster umfasst drei Leiter 54, 56, 58. Der Leiter 54 ist mit einem kreisförmigen Mittelteil 55, um dessen Umfang nach aussen gerichtete Metallzunge 60 in regelmässigen Abständen angeordnet sind, verbunden. Der Leiter 56 ist auf entsprechende Weise mit einem kreisförmigen Teil, das mit nach innen gerichteten leitenden Zungen versehen ist, die auch in regelmässigen Abständen angeordnet sind, verbunden. Zwischen diesen Leitern ist ein mit Erde verbundener Referenzleiter 57 angeordnet, der in Verbindung mit dem Leiter 58 steht. Ausserdem ist eine Kontaktzunge 64 vorgesehen, die mittels eines an der Vorderseite der Frontplatte angeordnetem Drehknopf über die Metallzunge 60, über den kreisförmigen Leiter 57, sowie über die Zungen 62 drehbar ist. Die Kontaktzunge 64 ist ständig in Verbindung mit dem Referenzleiter 57, 58 und erstreckt sich, vom Leiter 57 her gesehen, nach aussen und nach innen derart, dass sie beim Vorbeidrehen einen Kontakt mit den Zungen 60, 62 herstellt. Die Kontaktzunge 64 erreicht dagegen nicht die kreisförmigen Teile der inneren und äusseren Leiter. Beim Drehen der Kontaktzunge 64 wird also eine der äusseren Zungen 62, sowohl eine äussere und eine innere Zunge 60, nur eine innere Zunge 60, sowohl eine innere als auch eine äussere Zunge 62, nur eine äussere Zunge 62 usw. nach und nach mit dem Referenzleiter 57 verbunden und der Widerstand zwischen den Leitern 54 und 58 bzw. zwischen 56 und 58 wird wie zwei phasenverschobene Impulszüge variiert, aus denen die Drehrichtung der Kontaktzunge 64 bestimmt werden kann. Das genaue Aussehen und die gegenseitigen Lagen der Impulszüge sind durch die Ausbildung der Zungen 60, 62 sowie deren gegenseitigen Lagen, bestimmt.In FIG. 4 shows the pattern of a further embodiment of a switch or pulse generator, which also makes it possible to decide in which direction the associated rotary knob and thus also the contact tongue 64 are rotated. This pattern comprises three conductors 54, 56, 58. The conductor 54 is connected to a circular middle part 55, around the circumference of which the outwardly directed metal tongue 60 is arranged at regular intervals. The conductor 56 is connected in a corresponding manner to a circular part which is provided with inwardly directed conductive tongues which are also arranged at regular intervals. Between these conductors is one with earth connected reference conductor 57 is arranged, which is in connection with the conductor 58. In addition, a contact tongue 64 is provided, which can be rotated by means of a rotary knob arranged on the front of the front plate, via the metal tongue 60, via the circular conductor 57, and via the tongues 62. The contact tongue 64 is always in connection with the reference conductor 57, 58 and, viewed from the conductor 57, extends outwards and inwards in such a way that it makes contact with the tongues 60, 62 when it is rotated past. The contact tongue 64, however, does not reach the circular parts of the inner and outer conductors. When the contact tongue 64 is rotated, one of the outer tongues 62, both an outer and an inner tongue 60, only an inner tongue 60, both an inner and an outer tongue 62, only an outer tongue 62, etc., gradually with the Reference conductor 57 connected and the resistance between the conductors 54 and 58 or between 56 and 58 is varied like two phase-shifted pulse trains from which the direction of rotation of the contact tongue 64 can be determined. The exact appearance and the mutual positions of the pulse trains are determined by the formation of the tongues 60, 62 and their mutual positions.

Es ist wichtig, dass die Abdichtung in Bezug auf die innere Frontplatte im Bereich der Durchführungen für die Regel- und Einstellmittel 8, 10 sichergestellt ist. Um den Drehknopf 10 herum, in FIG 1, ist daher ein abdichtender 0-Ring 66 angeordnet. Auf ähnliche Weise müssen geeignete Abdichtungsmittel (hier nicht gezeigt) an der Drucktaste 8 angeordnet sein, um gegen die Vorderseite der Frontplatte oder gegen die Wand der Ausnehmung 14, abzudichten.It is important that the seal with respect to the inner front plate is ensured in the area of the bushings for the regulating and adjusting means 8, 10. A sealing O-ring 66 is therefore arranged around the rotary knob 10 in FIG. 1. Similarly, suitable sealing means (not shown here) must be arranged on the pushbutton 8 in order to seal against the front of the front panel or against the wall of the recess 14.

Die Frontplatte nach der Erfindung ist einfach an den Bildschirm oder an das Display anzubringen, wobei das Aussehen der Frontplatte durch eine Änderung des Aussehens des Bildschirmes oder des Displays einfach geändert werden kann. Die Frontplatte nach der Erfindung kann aber auch vorzugsweise über einer mit Druck versehenen Unterlage, z.B. einem mit Druck versehenen Karton, angebracht werden, wobei das Aussehen der Frontplatte durch Auswechseln der Unterlage geändert werden kann. Die Frontplatte nach der Erfindung kann auch so ausgebildet sein, dass sie z.B. zum Teil am Bildschirm oder am Display und zum Teil über einer mit Druck versehenen Unterlage plaziert wird und ein Teil oder Teile der Frontplatte können undurchsichtig sein. Dieses undurchsichtige Teil kann eventuell mit z.B. einem Text an der Vorderseite der Frontplatte, entweder indem der Text direkt auf die Frontplatte in dieses Teil gedruckt oder indem ein mit Druck versehenes Papier an das Frontplattenteil aufgeklebt ist, versehen sein.The front panel according to the invention is easy to attach to the screen or the display, and the appearance of the front panel can be easily changed by changing the appearance of the screen or the display. The front panel according to the invention can also preferably over a printed pad, such as a printed cardboard, attached, the appearance of the front panel can be changed by changing the pad. The front panel according to the invention can also be designed in such a way that it is placed, for example, partly on the screen or on the display and partly over a printed surface, and some or all of the front panel can be opaque. This opaque part can possibly be provided with, for example, a text on the front of the front panel, either by printing the text directly onto the front panel in this part or by gluing printed paper to the front panel part.

Statt eines Bildschirmes oder einer mit Druck versehenen Unterlage kann ein dünnes Display, das so angepasst ist, dass es das Aussehen einer Frontplatte gibt, an der hintersten Schicht befestigt sein. Hierdurch ist eine vollständige Frontplatteneinheit gegeben.Instead of a screen or a printed surface, a thin display, which is adapted to give the appearance of a front panel, can be attached to the rearmost layer. This provides a complete front panel unit.

BezugszeichenlisteReference list

2, 4, 62, 4, 6
Schicht, FrontplatteLayer, front panel
88th
Regel- und Einstellmittel, DrucktasteControl and setting means, push button
1010th
Regel- und Einstellmittel, DrehknopfControl and setting means, rotary knob
1212th
FrontplattenanschlussFront panel connector
14, 1614, 16
AusnehmungRecess
1818th
herausragendes Teil; flanschähnliches Teiloutstanding part; flange-like part
2020th
herausragendes Teil; flanschähnliches Teiloutstanding part; flange-like part
2222
Teil der DrucktastePart of the push button
2424th
DruckfederCompression spring
26, 28, 30, 3226, 28, 30, 32
Kontaktecontacts
3434
Stützesupport
3636
WiderstandsbahnResistance track
3838
LeitungsbahnConduit
40, 42, 43, 54, 56, 5840, 42, 43, 54, 56, 58
Leiterladder
4646
kreisförmiger Leitercircular ladder
47, 6447, 64
Kontaktzunge; KontaktblechContact tongue; Contact plate
48, 6048, 60
MetallzungeMetal tongue
5555
MittelteilMiddle section
5757
Referenzleiter; kreisförmiger LeiterReference ladder; circular ladder
6262
Leitende ZungeGuiding tongue
6666
0-Ring0-ring

Claims (15)

Gerätefrontplatte mit einer mechanischen Benutzergrenzfläche in Form von an der Vorderseite der Frontplatte, mechanisch steuerbaren Regel- und Einstellmitteln, dadurch gekennzeichnet, dass die Frontplatte (2, 4, 6) wenigstens zum Teil aus einem durchsichtigen Material hergestellt ist, in dem elektrischen Leiter (40, 42, 43, 54, 56, 58) und Komponenten angeordnet sind, um die von der Vorderseite der Frontplatte (2, 4, 6) angeordneten steuerbaren Regel- und Einstellmittel (8, 10), über einen Frontplattenanschluss (12), mit der im Gerät vorhandenen elektrischen Ausrüstung elektrisch zu verbinden, wobei die Frontplatte (2, 4, 6) derart ausgebildet ist, dass sie wenigstens zum Teil vor einen Bildschirm, ein Display oder über eine mit Druck versehenen Unterlage anbringbar ist.Device front panel with a mechanical user interface in the form of mechanically controllable regulating and setting means on the front of the front panel, characterized in that the front panel (2, 4, 6) is at least partially made of a transparent material, in the electrical conductor (40 , 42, 43, 54, 56, 58) and components are arranged around the controllable regulating and setting means (8, 10) arranged from the front of the front panel (2, 4, 6), via a front panel connection (12) to electrically connect the electrical equipment present in the device, the front panel (2, 4, 6) being designed in such a way that it can be attached at least in part in front of a screen, a display or via a pad provided with pressure. Gerätefrontplatte nach Anspruch 1, dadurch gekennzeichnet, dass ein Teil der Frontplatte (2, 4, 6) derart ausgebildet ist, dass sie über einen Bildschirm oder über ein Display anzubringen ist, während ein weiteres Teil der Frontplatte (2, 4, 6) derart ausgebildet ist, dass sie über einer mit Druck versehenen Unterlage anzubringen ist.Device front panel according to claim 1, characterized in that part of the front panel (2, 4, 6) is designed such that it can be attached via a screen or via a display, while another part of the front panel (2, 4, 6) is such is designed so that it is to be attached over a printed pad. Gerätefrontplatte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das durchsichtige Material ein glasähnliches Material, z.B. Plexiglas, ist.Device front panel according to claim 1 or 2, characterized in that the transparent material is a glass-like material, for example plexiglass. Gerätefrontplatte nach einem der vorhergehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Frontplatte drei zusammengefügte Schichten (2, 4, 6) umfasst, wobei die genannten elektrischen Leiter (40, 42, 43, 54, 56, 58) sowie die Komponenten in der hintersten Schicht (6) angeordnet sind, während die dazwischenliegende Schicht (4) als Isolier- und Distanzschicht und die vordere Schicht (2) als Führung für die Regel- und Einstellmittel (8, 10) dient.Device front panel according to one of the preceding claims 1 to 3, characterized in that the front panel comprises three joined layers (2, 4, 6), said electrical conductors (40, 42, 43, 54, 56, 58) and the components in the rearmost layer (6) are arranged, while the intermediate layer (4) serves as an insulation and spacer layer and the front layer (2) as a guide for the control and setting means (8, 10). Gerätefrontplatte nach Anspruch 4, dadurch gekennzeichnet, dass die Schichten (2, 4, 6) durch Leimen unter Vakuum zusammengefügt sind.Device front panel according to claim 4, characterized in that the layers (2, 4, 6) are joined together by gluing under vacuum. Gerätefrontplatte nach Anspruch 4, dadurch gekennzeichnet, dass die vordere und die dazwischenliegende Schicht (2, 4) in einem Stück hergestellt ist.Device front panel according to claim 4, characterized in that the front and the intermediate layer (2, 4) is made in one piece. Gerätefrontplatte nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass eine leitende Schicht, wie eine Metall- oder Kohleschicht zwischen der vorderen und der dazwischenliegenden Schicht (2, 4) angeordnet ist.Device front panel according to claim 4 or 5, characterized in that a conductive layer, such as a metal or carbon layer, is arranged between the front and the intermediate layer (2, 4). Gerätefrontplatte nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die vordere Schicht (2) leitend ist.Device front panel according to claim 4 or 5, characterized in that the front layer (2) is conductive. Gerätefrontplatte nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die totale Stärke der Frontplatte (2, 4, 6) geringer ist als 1 cm.Device front panel according to one of claims 1 to 8, characterized in that the total thickness of the front panel (2, 4, 6) is less than 1 cm. Gerätefrontplatte nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Regel- und Einstellmittel (8, 10) ein gedrucktes Leitungsmuster oder Kohlebahnen sowie an der Vorderseite der Frontplatte (2, 4, 6) steuerbare Anordnungen zum elektrischen Verbinden des Musters oder der Bahnen umfasst.Device front panel according to one of claims 1 to 9, characterized in that the control and setting means (8, 10) a printed wiring pattern or carbon tracks and on the front of the front panel (2, 4, 6) controllable arrangements for electrically connecting the pattern or Tracks. Gerätefrontplatte nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die elektrischen Leiter (40, 42, 43, 54, 56, 58) durch Hybriddrucktechnik hergestellt sind.Device front panel according to one of claims 1 to 10, characterized in that the electrical conductors (40, 42, 43, 54, 56, 58) are produced by hybrid printing technology. Gerätefrontplatte nach einem der Ansprüche 4 bis 11, dadurch gekennzeichnet, dass Ausnehmungen (14, 16) für die Regel- und Einstellmittel (8, 10) in die vordere und in die dazwischenliegende Schicht (2, 4) gebohrt sind.Device front plate according to one of claims 4 to 11, characterized in that recesses (14, 16) for the control and setting means (8, 10) are drilled in the front and in the intermediate layer (2, 4). Gerätefrontplatte nach Anspruch 12, dadurch gekennzeichnet, dass die Durchführungen der Regel- und Einstellmittel (8, 10) in der Frontplatte (2, 4, 6) gegen die Vorderseite der Frontplatte (2, 4, 6) oder gegen die Wand der gebohrten Ausnehmungen (14, 16) für die Mittel, abgedichtet sind.Device front panel according to claim 12, characterized in that the bushings of the control and setting means (8, 10) in the front panel (2, 4, 6) against the front of the front panel (2, 4, 6) or against the wall of the drilled recesses (14, 16) for the means are sealed. Gerätefrontplatte nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass die Regel- und Einstellmittel (8, 10) einen Schalter oder einen Impulsgeber mit einer äusseren Serie von Kontaktplatten (56), eine innere Serie von Kontaktplatten (54), einen zwischen den genannten Serien von Kontaktplatten (54, 56) verlaufenden, elektrischen Referenzdraht (57), sowie eine, mittels eines Drehknopfes (10) drehbaren, in permanenter Verbindung mit dem Referenzdraht (57) liegenden Kontaktzunge (64) umfasst, um durch Drehen der genannten Kontaktzunge (64) mit dem genannten Drehknopf (10) die Kontakplatten in den äusseren und in den inneren Serien in wahlbarer Weise mit dem Referenzdraht (57) in Verbindung zu setzen.Device front panel according to one of claims 10 to 13, characterized in that the control and setting means (8, 10) a switch or a pulse generator with an outer series of contact plates (56), an inner series of contact plates (54), one between the said series of contact plates (54, 56) extending electrical reference wire (57), as well as a contact tongue (64) rotatable by means of a rotary knob (10) and in permanent connection with the reference wire (57), by rotating said contact tongue (64) with the said rotary knob (10) to connect the contact plates in the outer and in the inner series in a selectable manner to the reference wire (57). Gerätefrontplatte nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Bildschirm oder die Unterlage wie ein dünnes Display ausgebildet ist, das fest gegen die Rückseite der Frontplatte (2, 4, 6) anliegt.Device front panel according to one of claims 1 to 14, characterized in that the screen or the base is designed as a thin display which bears firmly against the back of the front panel (2, 4, 6).
EP96118481A 1995-12-21 1996-11-18 Front plate for an apparatus Expired - Lifetime EP0782091B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9504581A SE504758C2 (en) 1995-12-21 1995-12-21 Device Panel
SE9504581 1995-12-21

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EP0782091A1 true EP0782091A1 (en) 1997-07-02
EP0782091B1 EP0782091B1 (en) 2004-09-08

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EP96118481A Expired - Lifetime EP0782091B1 (en) 1995-12-21 1996-11-18 Front plate for an apparatus

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US (1) US5859631A (en)
EP (1) EP0782091B1 (en)
JP (1) JPH09185459A (en)
DE (1) DE59611080D1 (en)
SE (1) SE504758C2 (en)

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Also Published As

Publication number Publication date
DE59611080D1 (en) 2004-10-14
EP0782091B1 (en) 2004-09-08
US5859631A (en) 1999-01-12
SE9504581D0 (en) 1995-12-21
SE9504581L (en) 1997-04-21
SE504758C2 (en) 1997-04-21
JPH09185459A (en) 1997-07-15

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