WO1999032960A1 - A hand-held display device and a method of displaying screen images - Google Patents

A hand-held display device and a method of displaying screen images Download PDF

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Publication number
WO1999032960A1
WO1999032960A1 PCT/SE1998/002414 SE9802414W WO9932960A1 WO 1999032960 A1 WO1999032960 A1 WO 1999032960A1 SE 9802414 W SE9802414 W SE 9802414W WO 9932960 A1 WO9932960 A1 WO 9932960A1
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WO
WIPO (PCT)
Prior art keywords
display device
display
screen
screen image
hand
Prior art date
Application number
PCT/SE1998/002414
Other languages
French (fr)
Other versions
WO1999032960A9 (en
Inventor
Anders Hedberg
Original Assignee
Telefonaktiebolaget Lm Ericsson
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 Telefonaktiebolaget Lm Ericsson filed Critical Telefonaktiebolaget Lm Ericsson
Priority to EP98965338A priority Critical patent/EP1040407A1/en
Priority to BR9814428-6A priority patent/BR9814428A/en
Priority to AU20814/99A priority patent/AU2081499A/en
Publication of WO1999032960A1 publication Critical patent/WO1999032960A1/en
Publication of WO1999032960A9 publication Critical patent/WO1999032960A9/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1614—Image rotation following screen orientation, e.g. switching from landscape to portrait mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/163—Indexing scheme relating to constructional details of the computer
    • G06F2200/1637—Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation

Definitions

  • the present invention relates to a hand-held display device, including a pointer, and a method for its use with an electronic device to display a complete or a determined part of a screen image.
  • a typical personal computer system, notebook, or hand-held computer consists of a system unit, storage means, a display, keyboard and a mouse or other interactive input devices such as a digitizing tablet, joystick, lightpen etc. to control the computer.
  • the primary attributes of a display is the size of the display screen; the resolution of the display; and whether the display is monochrome or in colour.
  • the size of a display screen can vary from, for example, 5 to 25 inches in diagonal dimension.
  • the quality of output or the resolution of a common display or monitor is for example 640x480, 800x600, or 1024x768 pixels.
  • a variety of displays available from different vendors are designed to accomplish particular functions.
  • An engineer needs a large high-resolution monitor for CAD-applications and a smaller monochrome monitor for the display of text and graphic information.
  • a full-page colour monitor can be utilized for both landscape and portrait presentations.
  • hand-held data entry de- vices or computers are provided with a small display.
  • a common hand-held data entry device has a limited keyboard and some kind of storage capability for the data.
  • Another hand-held data entry device combines a hand-held optical wand with a keyboard. Stock clerks use such devices in stores to collect and enter reorder data.
  • Flat-panels are required to save space.
  • Flat-panels are used in conjunction with small size electronic devices such as notebooks, hand-held com- puters, mobile telephones etc.
  • JP-A-7 234 664 discloses a document image display, which reads out the contents of a document using a scanner and the image of the document is stored in a page memory. An area of the document specified by an operator is read from the memory and then magnified. The magnified area, stored in a working memory, is then displayed on an opera- tion display.
  • cursor control devices such as a trackball or a touch pad, in combination with push buttons, or arrow keys.
  • said cursor control devices have a lower size limit, i.e. they must be large enough to be handled by a human hand.
  • An invention disclosed by a previous Swedish patent application No. 9703589-3 is directed to an improved dis- play device for use with an electronic device, which overcomes one or more of the limitations and disadvantages of the related art.
  • Another object of saidinvention is to provide a hand-held display device for use with a computer to display a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user.
  • Still another object of said invention is to provide a display device incorporated in an electronic device such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, a data terminal to display a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user.
  • an electronic device such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, a data terminal to display a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user.
  • a display device having movement sensitive means such as a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer etc incorporated in said display device, thereby being responsive to movements in the space for displaying the complete screen image in different magnifications, or in different parts.
  • movement sensitive means such as a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer etc incorporated in said display device, thereby being responsive to movements in the space for displaying the complete screen image in different magnifications, or in different parts.
  • a method of displaying a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user is also provide by said invention, wherein said display device is activated by pressing an activation control button of said display device, and said display device is moved essentially in the plane of said display device, whereby different parts of a complete screen image are shown on said display screen, and/or said display device is moved essentially in a direction perpendicular to the plane of said display device, whereby the magnification of said screen image is changing.
  • an object of the present invention is to provide said display device with an appropriate cursor control device, small enough to fit in on said display device and large enough to be handled by a human hand in an efficient way. This is accomplished by a fixed pointer arranged on the display screen of the display device according to the invention disclosed by the Swedish patent application No. 9703589-3.
  • FIG 1 is a front view of a display device according to one embodiment of the present invention, showing a cutting of a complete screen image
  • FIG 2 is a schematical view of the complete screen image including the cutting in FIG 1, on a conventional CRT-device with a superimposed virtual display device according to the present invention
  • FIG 3 is a view of a computer configuration provided with the display device according to the invention, ope- rated by a user,
  • FIG 4 is a front view of the display device of FIG 1, showing the complete screen image of FIG 2 in a compressed shape
  • FIG 5 is a front view of a mobile telephone provided with a display device according to the invention.
  • FIG 6 is a front view of the display device in FIG 1 provided with a fixed pointer according to the invention.
  • a display device 1 for use with an electronic device such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, a data terminal or a computer to display a complete or a determined part of a screen image is shown in FIG 1.
  • Said display device is provided with control circuits, not shown in FIG 1.
  • a display screen 2 and control buttons 3, such as touch control buttons, are incorporated in said display device 1 and connected to said control circuits.
  • a computer or a network connection means 4 for example an IR (infra red) or radio transmitter/receiver, or a connection cabel etc. is attached to the display device.
  • Movement sensitive means 6 comprising a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer etc is incorporated in said display de- vice 1 and connected to said control circuits, said display device being responsive to movements in the space for displaying the complete screen image in different magnifications, and/or different parts of a screen image.
  • Power supply for the display device is provided by for example local batteries, sunlight power, kinetic energy, or the power supply of an attached computer.
  • One of said control buttons 3 is an activation control button provided for activation of said display device 1 to be responsive for movements.
  • said display device 1 is activated by pressing said activation control button 3, and then by moving said display device 1 essentially in the plane of said display device, different parts of a screen image are shown on the display screen 2.
  • FIG 2 This is schematically illustrated in FIG 2, wherein a cutting 8, corresponding to the image shown on the display screen 2 in FIG 1, is surrounded by a superimposed dashed virtual display device 9 corresponding to the size of the display device 1.
  • a cutting 8 corresponding to the image shown on the display screen 2 in FIG 1
  • a superimposed dashed virtual display device 9 corresponding to the size of the display device 1.
  • a user 10 is moving said display device up and down, illustrated by an arrow 11, and to the left and right, illustrated by an arrow 12, to present different parts of the screen image 7.
  • the cutting 8 of the screen image 7 is presented on the display screen 2.
  • said display device is provided with an appropriate cursor control device, small enough to fit in on said display device and large enough to be handled by a human hand in an efficient way.
  • a fixed pointer 15 is arranged on the display screen 2 of the display device 1 according to the invention.
  • said display device 1 is activated by pressing one of said activation control buttons 3 and by then moving said display device back and forth, as illustrated by an arrow 14 in FIG 3, the magnification of said screen image 7 being changed or the image being zoomed.
  • FIG 3 and in more detail in FIG 4 it is possible to zoom out as much that an overview of the complete screen image 7 is shown on the display device 1.
  • the fixed pointer when a particular field of the screen image is shown on the display screen and, for example, a desired application represented by an icon 16 is located "under” the fixed pointer, the user activates or starts the application by pressing one of the controlbuttons dedicated for this "cursor" control function. Further, the fixed pointer is used to select data, activate windows, or scroll windows and perform other similar functions usually done by means of a conventional mouse or track ball.
  • the present invention provides an improved display device 1, including a pointer, and a method for use with an electronic device such as a computer 13 to display a complete or a determined part of a screen image 7 by moving said display device 1 in the space, wherein different parts of the screen image 7 are shown in different magnifications on said display screen 2, and for controlling applications 16 shown on the display screen 2 in a convenient and efficient way.
  • the different parts: display screen, movement sensitive means, control buttons, electronic circuits and/or connection means, of said display device can be incorporated as a single unit or as separate parts in an electronic device such as a mobile telephone, a PDA (Personal Digital Assistant), an organizer, data terminal, or a hand-held computer, wherein the operations described above are performed in a similar manner. Consequently, the conventional keypad of the particular electronic device may comprise control buttons for the display functions of the invention. Further, these kinds of electronic devices, provided with a display device of the invention, can work as stand alone devices with no need for connection means, as well as devices having a connection with another electronic device or network.
  • said display device is incorporated in a mobile telephone unit providing both computer and telephone facilities, shown in FIG 5.
  • the conventional transmitter/receiver units of the mobile telephone may be utilized as connection means for connection with other electronic devices or networks.
  • the display screen 2 can be utilized for the display screen 2, such as LCD (liquid crystal display), gas plasma, EL (electroluminescent) , TFT (thin film transistor) etc.

Abstract

In a hand-held display device (1) for use with an electronic device (13) to display a complete or a determined part (8) of a screen image (7), there are included control circuits, a display screen (2) and control buttons (3) connected to said control circuits. Further, a gyroscope (6) is incorporated in said display device (1) and connected to said control circuits, whereby said display device (1) is responsive to movements in the space for displaying said screen image (7) in different magnifications, and/or in different parts (8). A fixed pointer (15) is arranged on the display screen (2) for controlling applications (16) shown on the display screen (2).

Description

TITLE: A HAND-HELD DISPLAY DEVICE AND A
METHOD OF DISPLAYING SCREEN IMAGES
Field of the Invention
The present invention relates to a hand-held display device, including a pointer, and a method for its use with an electronic device to display a complete or a determined part of a screen image.
Description of the Prior Art Several electronic devices, such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, or a PC (personal computer) etc. are provided with a display or a monitor for displaying different kind of information. A typical personal computer system, notebook, or hand-held computer consists of a system unit, storage means, a display, keyboard and a mouse or other interactive input devices such as a digitizing tablet, joystick, lightpen etc. to control the computer.
The primary attributes of a display is the size of the display screen; the resolution of the display; and whether the display is monochrome or in colour. The size of a display screen can vary from, for example, 5 to 25 inches in diagonal dimension. The quality of output or the resolution of a common display or monitor is for example 640x480, 800x600, or 1024x768 pixels.
There is a variety of displays available from different vendors. These displays are designed to accomplish particular functions. An engineer needs a large high-resolution monitor for CAD-applications and a smaller monochrome monitor for the display of text and graphic information. A full-page colour monitor can be utilized for both landscape and portrait presentations. Also, hand-held data entry de- vices or computers are provided with a small display. A common hand-held data entry device has a limited keyboard and some kind of storage capability for the data. Another hand-held data entry device combines a hand-held optical wand with a keyboard. Stock clerks use such devices in stores to collect and enter reorder data.
For some purposes small flat-panels are required to save space. Flat-panels are used in conjunction with small size electronic devices such as notebooks, hand-held com- puters, mobile telephones etc.
Many vendors offer or are just about to offer handheld computers. These computers are provided with flat- panels having for example a 640x240 resolution touchscreen, or 480x240 resolution touchscreen. Such panels or display screens cannot be too limited in size and resolution to be useful for their intended purpose, i.e. to present general software applications such as word processing, desktop publishing, spreadsheet, databases, internet applications etc. The limitations are set in view of the sight properties of a human being.
Consequently, a problem associated with prior art computer configurations is that access is needed to several types of computers provided with different displays suitable for different kinds of applications. As described above, a very small sized flat-panel of a hand-held data entry device, a mobile telephone, or a computer etc. is not at the same time capable of displaying full-screen documents in a proper and readable way.
JP-A-7 234 664 discloses a document image display, which reads out the contents of a document using a scanner and the image of the document is stored in a page memory. An area of the document specified by an operator is read from the memory and then magnified. The magnified area, stored in a working memory, is then displayed on an opera- tion display. Another problem or disadvantage associated with small devices such as hand-held computers or mobile telephones etc. is the cumbersome way in which applications and data are selected on the display of the device. Of course, it is not suitable to use a mouse in combination with a handheld device. Consequently, hand-held devices are provided with cursor control devices such as a trackball or a touch pad, in combination with push buttons, or arrow keys. However, said cursor control devices have a lower size limit, i.e. they must be large enough to be handled by a human hand.
Summary of the Invention
An invention disclosed by a previous Swedish patent application No. 9703589-3 is directed to an improved dis- play device for use with an electronic device, which overcomes one or more of the limitations and disadvantages of the related art.
It is an object of said invention to provide a handheld display device for use with an electronic device, said display device being suitable for the purpose of a handheld data entry device as well as for both landscape and portrait presentations of a full-page word processing document. Further, it can satisfy the needs of an engineer working with CAD-applications as well as for the display of text and graphic information. Also, hand-held computers can be provided with a display device of the present invention.
Consequently, another object of saidinvention is to provide a hand-held display device for use with a computer to display a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user.
Still another object of said invention is to provide a display device incorporated in an electronic device such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, a data terminal to display a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user.
These objects are accomplished by a display device having movement sensitive means such as a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer etc incorporated in said display device, thereby being responsive to movements in the space for displaying the complete screen image in different magnifications, or in different parts. Further, a method of displaying a complete or a determined part of a screen image in a proper size with regard to the current needs or requirements of a user is also provide by said invention, wherein said display device is activated by pressing an activation control button of said display device, and said display device is moved essentially in the plane of said display device, whereby different parts of a complete screen image are shown on said display screen, and/or said display device is moved essentially in a direction perpendicular to the plane of said display device, whereby the magnification of said screen image is changing.
However, an object of the present invention is to provide said display device with an appropriate cursor control device, small enough to fit in on said display device and large enough to be handled by a human hand in an efficient way. This is accomplished by a fixed pointer arranged on the display screen of the display device according to the invention disclosed by the Swedish patent application No. 9703589-3.
Brief Description of the Drawings
In order to explain the invention in more detail and the advantages and features of the invention a preferred embodiment will be described in detail below, reference be- ing made to the accompanying drawings, in which FIG 1 is a front view of a display device according to one embodiment of the present invention, showing a cutting of a complete screen image,
FIG 2 is a schematical view of the complete screen image including the cutting in FIG 1, on a conventional CRT-device with a superimposed virtual display device according to the present invention,
FIG 3 is a view of a computer configuration provided with the display device according to the invention, ope- rated by a user,
FIG 4 is a front view of the display device of FIG 1, showing the complete screen image of FIG 2 in a compressed shape,
FIG 5 is a front view of a mobile telephone provided with a display device according to the invention, and
FIG 6 is a front view of the display device in FIG 1 provided with a fixed pointer according to the invention.
Detailed Description of the Invention A display device 1 according to the present invention for use with an electronic device such as a mobile telephone, a PDA (Personal Digital Assistent) , an organizer, a data terminal or a computer to display a complete or a determined part of a screen image is shown in FIG 1. Said display device is provided with control circuits, not shown in FIG 1. A display screen 2 and control buttons 3, such as touch control buttons, are incorporated in said display device 1 and connected to said control circuits. For connection with a computer or a network connection means 4, for example an IR (infra red) or radio transmitter/receiver, or a connection cabel etc. is attached to the display device.
Movement sensitive means 6 comprising a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer etc is incorporated in said display de- vice 1 and connected to said control circuits, said display device being responsive to movements in the space for displaying the complete screen image in different magnifications, and/or different parts of a screen image.
Power supply for the display device is provided by for example local batteries, sunlight power, kinetic energy, or the power supply of an attached computer.
One of said control buttons 3 is an activation control button provided for activation of said display device 1 to be responsive for movements. Thus, said display device 1 is activated by pressing said activation control button 3, and then by moving said display device 1 essentially in the plane of said display device, different parts of a screen image are shown on the display screen 2.
This is schematically illustrated in FIG 2, wherein a cutting 8, corresponding to the image shown on the display screen 2 in FIG 1, is surrounded by a superimposed dashed virtual display device 9 corresponding to the size of the display device 1. When said virtual display device 9 is moved around on said screen image 7, different cuttings 8 are covered. Correspondingly, these cuttings 8 are displayed when the real display device 1 is moved in the plane of said display device.
As shown in FIG 3, a user 10 is moving said display device up and down, illustrated by an arrow 11, and to the left and right, illustrated by an arrow 12, to present different parts of the screen image 7. In a particular position in the space the cutting 8 of the screen image 7 is presented on the display screen 2. Hence, it is possible for the user of the display device 1 to read text that does not actually fit into the small display screen 2, by moving the display device a short distance in space in the plane of said display device.
By activation of said display device 1 by pressing said activation control button 3 and then moving said dis- play device back and forth, essentially in a direction per- pendicular to the plane of said display device, illustrated by an arrow 14, the magnification of said screen image 7 is changed or the image is zoomed. As shown in FIG 3 and in more detail in FIG 4, it is possible to zoom out as much as an overview of the complete screen image 7 is shown on the display device 1.
In an embodiment of the invention, shown in FIG 6, said display device is provided with an appropriate cursor control device, small enough to fit in on said display device and large enough to be handled by a human hand in an efficient way. A fixed pointer 15 is arranged on the display screen 2 of the display device 1 according to the invention. Thus, said display device 1 is activated by pressing one of said activation control buttons 3 and by then moving said display device back and forth, as illustrated by an arrow 14 in FIG 3, the magnification of said screen image 7 being changed or the image being zoomed. As shown in FIG 3 and in more detail in FIG 4, it is possible to zoom out as much that an overview of the complete screen image 7 is shown on the display device 1. With reference to FIG 6, when a particular field of the screen image is shown on the display screen and, for example, a desired application represented by an icon 16 is located "under" the fixed pointer, the user activates or starts the application by pressing one of the controlbuttons dedicated for this "cursor" control function. Further, the fixed pointer is used to select data, activate windows, or scroll windows and perform other similar functions usually done by means of a conventional mouse or track ball. It should be apparent that the present invention provides an improved display device 1, including a pointer, and a method for use with an electronic device such as a computer 13 to display a complete or a determined part of a screen image 7 by moving said display device 1 in the space, wherein different parts of the screen image 7 are shown in different magnifications on said display screen 2, and for controlling applications 16 shown on the display screen 2 in a convenient and efficient way. Although the invention has been described in conjunction with a specific embodiment thereof, this invention is susceptible of embodiments in different forms, with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to the specific embodiment illustrated.
For example, in another embodiment of the invention the different parts: display screen, movement sensitive means, control buttons, electronic circuits and/or connection means, of said display device can be incorporated as a single unit or as separate parts in an electronic device such as a mobile telephone, a PDA (Personal Digital Assistant), an organizer, data terminal, or a hand-held computer, wherein the operations described above are performed in a similar manner. Consequently, the conventional keypad of the particular electronic device may comprise control buttons for the display functions of the invention. Further, these kinds of electronic devices, provided with a display device of the invention, can work as stand alone devices with no need for connection means, as well as devices having a connection with another electronic device or network.
In a particular embodiment of the invention said display device is incorporated in a mobile telephone unit providing both computer and telephone facilities, shown in FIG 5. The conventional transmitter/receiver units of the mobile telephone may be utilized as connection means for connection with other electronic devices or networks.
Different kinds of technologies can be utilized for the display screen 2, such as LCD (liquid crystal display), gas plasma, EL (electroluminescent) , TFT (thin film transistor) etc.

Claims

1. A hand-held display device (1) for use with an electronic device (13) to display a complete or a determined part of a screen image (7) , provided with control circuits, a display screen (2) and control buttons (3) connected to said control circuits, movement sensitive means (6) incorporated in said display device (1) and connected to said control circuits, whereby said display device (1) is responsive to movements in the space for displaying said screen image (7) in different magnifications, and/or in different parts (8), c h a r a c t e r i z e d by a fixed pointer (15) arranged on the display screen (2) for controlling applications (16) shown on the display screen (2) .
2. A display device according to claim 1, c h a r a c t e r i z e d by a fixed pointer (15) arranged on the display screen (2) for controlling applications, selecting data, activating windows, or scrolling information in said windows.
3. A display device according to claim 1 or 2 , c h a r a c t e r i z e d by movement sensitive means (6) comprising a micro gyroscope, strain gauge, piezo-electric, or equilibrium of force accelerometer .
4. A display device according to any of the preceding claims, c h a r a c t e r i z e d by connection means (4) for connection with an electronic device (13) or a network.
5. A display device according to claim 4, c h a r a c t e r i z e d in that said connection means (4! is a light or radio transmitter/receiver, or a connection cable .
6. A display device according to any of the preceding claims, c h a r a c t e r i z e d by being incorporated in a mobile telephone, a PDA (Personal Digital Assistent), an- organizer, data terminal, or a hand-held computer.
7. A display device according to any of the preceding claims, c h a r a c t e r i z e d by an activation control button (3) provided for activation of said display device
(1) to be responsive for movements.
8. A display device according to any of the preceding claims, c h a r a c t e r i z e d in that said display screen (2) is an LCD-display, a gas plasma display, an EL (electroluminescent) display, or a TFT (thin film transis- tor) display.
9. A method of displaying a complete or a determined part (8) of a screen image (7) provided by a an electronic device (13) connected to a hand-held display device (1) according to any of the preceding claims, c h a r a c t e r i z e d by the steps of activating said display device (1) ; moving said display device (1) essentially in the plane (11,12) of said display device (1), whereby different parts (8) of a complete screen image (7) are shown on said display screen (2) ; and/or moving said display device (1) essentially in a direction (14) perpendicular to the plane of said display device (1) , whereby the magnification of said screen image (7) is changing (FIG 3) .
PCT/SE1998/002414 1997-12-23 1998-12-22 A hand-held display device and a method of displaying screen images WO1999032960A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP98965338A EP1040407A1 (en) 1997-12-23 1998-12-22 A hand-held display device and a method of displaying screen images
BR9814428-6A BR9814428A (en) 1997-12-23 1998-12-22 Manual display device, and, process for displaying a full screen image or a specified part of it.
AU20814/99A AU2081499A (en) 1997-12-23 1998-12-22 A hand-held display device and a method of displaying screen images

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9704856A SE511516C2 (en) 1997-12-23 1997-12-23 Handheld display unit and method for displaying screens
SE9704856-5 1997-12-23

Publications (2)

Publication Number Publication Date
WO1999032960A1 true WO1999032960A1 (en) 1999-07-01
WO1999032960A9 WO1999032960A9 (en) 1999-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/002414 WO1999032960A1 (en) 1997-12-23 1998-12-22 A hand-held display device and a method of displaying screen images

Country Status (7)

Country Link
US (1) US6411275B1 (en)
EP (1) EP1040407A1 (en)
CN (1) CN1283285A (en)
AU (1) AU2081499A (en)
BR (1) BR9814428A (en)
SE (1) SE511516C2 (en)
WO (1) WO1999032960A1 (en)

Cited By (21)

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SE9704856L (en) 1999-06-24
AU2081499A (en) 1999-07-12
SE511516C2 (en) 1999-10-11
EP1040407A1 (en) 2000-10-04
WO1999032960A9 (en) 1999-12-02
CN1283285A (en) 2001-02-07
BR9814428A (en) 2000-10-10
US6411275B1 (en) 2002-06-25
SE9704856D0 (en) 1997-12-23

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