US20100136930A1 - Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method - Google Patents
Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method Download PDFInfo
- Publication number
- US20100136930A1 US20100136930A1 US12/699,121 US69912110A US2010136930A1 US 20100136930 A1 US20100136930 A1 US 20100136930A1 US 69912110 A US69912110 A US 69912110A US 2010136930 A1 US2010136930 A1 US 2010136930A1
- Authority
- US
- United States
- Prior art keywords
- radio transmission
- control signal
- transmission apparatus
- radio
- events
- 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.)
- Abandoned
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/02—Amplifying systems for the deaf
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/041—Adaptation of stereophonic signal reproduction for the hearing impaired
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Abstract
Radio systems for supplying hearing apparatus in events rooms are of a more convenient design. To this end a radio transmission apparatus is provided for transmission of speech signals in an events room. It possesses a receive device for receiving at least one control signal and a switching device for switching the radio transmission apparatus on and/or off depending on the received control signal. In addition a control apparatus is provided for controlling the radio transmission device, with which speech signals are transmitted in an events room. This control apparatus possesses a detection device to detect a presence or a movement of the radio transmission device in the events room and a transmit device for transmitting a control signal to the radio transmission device depending on the detection result of the detection device. This allows a transmit device of a teacher to be switched off when they leave the classroom.
Description
- This is a divisional application of U.S. patent application 11/788,149, filed Apr. 19, 2007, which claims priority of German application No. 10 2006 018 155.7 filed Apr. 19, 2006. Both applications are incorporated by reference herein in its entirety.
- The present invention relates to a radio transmission apparatus for transmission of speech signals in an events room. In addition the present invention relates to a control apparatus for controlling a radio transmission device with which speech signals are able to be transmitted in an events room. Furthermore the present invention relates to a corresponding method for transmission of speech signals and for control of radio transmission devices.
- FM (Frequency Modulation) systems are used, especially in classrooms, to improve the signal-to-noise ratio during the transmission of signals to hearing devices. In such cases the teacher generally wears a microphone with a transmitter and the students wear a receiver, with a connection to a hearing device where appropriate. If the teacher leaves the room and forgets to switch off the microphone, the students can listen in to conversations, taking place in the staff room for example. The teacher must thus attempt to avoid not switching off the microphone manually at the right time.
- An FM multifrequency system for schools made by Phonak is known. In this system the receivers in a classroom are set automatically to a configured radio frequency. A change of classroom automatically changes the frequency at the receiver.
- The object of the present invention consists in supporting the teacher or another user of an FM transmitter in switching off the transmitter in good time when it is not being used.
- In accordance with the invention this object is achieved by a radio transmission apparatus for transmission of speech signals in an events room with a receiving apparatus for receiving at least one control signal and a switching apparatus for switching on and/or switching off the radio transmission apparatus depending on the received control signal.
- Accordingly there is also provision in accordance with the invention for a method for transmission of speech signals in an events room by receiving a control signal in the events room and/or at the entrance to the events room with a radio transmission apparatus, switching on and/or switching off the radio transmission apparatus for transmitting the speech signals depending on the received control signal.
- A control signal is preferably received by radio or inductively. In such cases, wireless transmission systems such as Bluetooth are suitable for covering short distances. Basically however other short-range transmission systems, such as infrared systems for example, are conceivable.
- The inventive radio transmission apparatus can feature a configuration device with which the radio transmission apparatus is able to be configured automatically depending on the received control signal. In particular the radio transmission apparatus can be switched automatically to a corresponding radio channel on the basis of the control signal. For example a different radio channel can be set automatically in each room, in order to avoid events being held in adjacent rooms disturbing each other.
- In addition the radio transmission apparatus can be equipped with a number of microphones and a mixer, so that speech signals are able to be transmitted mixed from a number of persons or devices. This is especially advantageous when a number of teachers are sharing the teaching in a room.
- It is particularly advantageous for the radio transmission apparatus to be embodied as a portable device. The radio transmission apparatus can also feature a number of portable radio units so that a number of teachers in a room can be equipped with a corresponding transmitter.
- The control signal can consist of a sequence of at least two signal parts of different transmitters. This allows comparatively low-cost transmitters to be used for obtaining position and movement-specific information.
- A control apparatus for controlling a radio transmission device with which speech signals are able to be transmitted in an events room is also provided within the framework of the invention, with a detection device to detect a presence or a movement of the radio transmission device in the events room and a transmit device for transmitting a control signal to the radio transmission device depending on the detection result from the detection device.
- In addition there is also provision in accordance with the invention for a corresponding method for controlling a radio transmission device with which speech signals are transmitted in an events room, by detecting a presence or a movement of the radio transmission device in the events room and transmitting a control signal to the radio transmission device depending on the detection result.
- The control apparatus advantageously includes two detection units which are able to be built into a door frame in order to detect a direction of movement of the radio transmission device. This makes it possible to detect whether a teacher is entering or leaving the classroom and to control their radio device accordingly so that it switches on or switches off.
- The detection device can also feature a localization unit for localization of the radio transmission device in the events room. Preferably the localization unit has at least two separate directional antennas. This makes it possible, not only to establish the presence of a teacher in the classroom, but also their exact location, so that their radio transmission device can also be configured depending on its location within the classroom.
- Furthermore the detection device can also be embodied for detection of at least two radio transmission devices in the events room and for controlling the at least two radio transmission devices. This enables a number of radio transmission devices to be controlled or configured separately from one another in the events room.
- The invention will now be explained in more detail on the basis of the enclosed drawings, which show:
-
FIG. 1 a radio system in accordance with an embodiment of the present invention and -
FIG. 2 a radio system in accordance with a further embodiment, viewed from above. - The exemplary embodiments described in greater detail below represent preferred embodiments of the present invention.
- According to the example depicted in
FIG. 1 , an inventive radio system consists of a transmitter unit 1, which is worn by a teacher for example, and one or more receivers 2, which are embodied here as hearing devices. The hearing devices 2 are worn by school students in this case. With this system it is possible for the teacher to transmit the acoustic information provided by radio to the hearing devices 2 of the school students. - The school students with the hearing devices 2, but also with earpieces or headsets as receivers, are located in a classroom. On entering the classroom, the teacher carries his transmitter 1 through a
door 3. The transmitter 1 switches on automatically at this point. This is made possible by twodirectional antennas door 3. The twodirectional antennas antennas directional beam directional beams directional beams - If the two
antennas - The evaluation intelligence can however also lie in a control apparatus, which uses the two
antennas - A further exemplary embodiment of the inventive microphone radio system is outlined in
FIG. 2 . Here the figure shows a view from above of two classrooms and a corridor. There are twoantennas 10 and 11 in classroom A. Theseantennas 10 and 11 likewise emitdirectional beams directional beams FIG. 2 ) is located in classroom A and if it is within one of thedirectional beams - If the teacher with the transmitter 1 leaves classroom A and goes into the corridor in which the transmitter 1 no longer receives radio waves, the transmitter 1 switches itself off automatically. This prevents the teacher's conversations in the corridor being overheard by the students in classroom A.
- If the teacher now enters classroom B, in which the
antennas 20 and 21 are located, the teacher's transmit device switches on as soon as it comes into the detection range of the associateddirectional beams beams directional beams - The teacher's transmitter 1 can not only be switched on and off by the
beams - If the transmitters belonging to the
antennas - The configuration of the FM radio system can also relate to the receivers 2. Above and beyond this additional conditions or equipment of a room can be taken into account in the configuration of FM transmitters and/or receivers. This is especially useful if the data is transmitted digitally.
- If a loudspeaker system is also installed in a classroom for example, the teacher's speech signal will also be switched to the loudspeaker. The radio receivers on the students' hearing devices can then remain switched off if necessary.
- In this exemplary embodiment too the
antennas - If there is more than one transmitter in the room, this is detected automatically by one of the transmit devices or by the control apparatus with detection device as soon as the relevant persons enter the room. The second transmitter added is then automatically mixed with the existing transmitter. To this end the transmitter 1 receives the signal from transmitter 2, adds the signal to its own signal and transmits it to the students. This means that at least the first transmitter must then also be equipped with a receiver. This multi-transmitter mode enables two or more teachers to speak simultaneously over the radio system to the students.
- Instead of a further teacher a video or stereo system can also serve as an additional transmitter for example and thus be integrated into the teaching. The students can then hear all sources via their FM receivers.
-
Antennas 10, 11 in classroom A can be placed so that a precise determination of the location of transmitter 1 or of the teacher in classroom A is possible. This additionally obtained location information is used where necessary to transmit location-specific signals from theantennas 10, 11. With these control signals the transmitter 1 can then be configured on a location-specific basis. For example the transmit signal amplitudes of the transmitter 1 are then able to be varied depending on the location in the events room. Other location-dependent configuration options relate to noise suppression measures and filtering.
Claims (8)
1. A radio transmission apparatus, comprising:
a transmitting device that transmits a speech signal;
a receiving device that receives a control signal; and
a switching device that switches the transmitting device on and off depending on whether the receiving device receives the control signal.
2. The radio transmission apparatus as claimed in claim 1 , wherein the control signal is received via radio or inductively.
3. The radio transmission apparatus as claimed in claim 1 , further comprising a configuration device that automatically configures the radio transmission apparatus depending on the control signal.
4. The radio transmission apparatus as claimed in claim 3 , wherein the radio transmission apparatus is automatically switched into a radio channel based on the control signal.
5. The radio transmission apparatus as claimed in claim 1 , further comprising a mixing device so that a plurality of speech signals from a plurality of sound sources are mixed and transmitted.
6. The radio transmission apparatus as claimed in claim 1 , wherein the control signal comprises a sequence of signals.
7. The radio transmission apparatus as claimed in claim 1 , wherein the transmitting device is switched on if the receiving device receives the control signal or off if the receiving device does not receive the control signal.
8. The radio transmission apparatus as claimed in claim 1 ,
wherein the transmitting device transmits the speech signal in an event room, and wherein the receiving device receives the control signal in the event room or at an entrance of the event room.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/699,121 US20100136930A1 (en) | 2006-04-19 | 2010-02-03 | Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006018155A DE102006018155A1 (en) | 2006-04-19 | 2006-04-19 | Radio transmitting device and control device for event rooms and corresponding methods |
DE102006018155.7 | 2006-04-19 | ||
US11/788,149 US8024010B2 (en) | 2006-04-19 | 2007-04-19 | Radio transmission apparatus and control apparatus for events rooms as well as corresponding method |
US12/699,121 US20100136930A1 (en) | 2006-04-19 | 2010-02-03 | Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/788,149 Division US8024010B2 (en) | 2006-04-19 | 2007-04-19 | Radio transmission apparatus and control apparatus for events rooms as well as corresponding method |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100136930A1 true US20100136930A1 (en) | 2010-06-03 |
Family
ID=38283239
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/788,149 Expired - Fee Related US8024010B2 (en) | 2006-04-19 | 2007-04-19 | Radio transmission apparatus and control apparatus for events rooms as well as corresponding method |
US12/699,121 Abandoned US20100136930A1 (en) | 2006-04-19 | 2010-02-03 | Radio Transmission Apparatus and Control Apparatus for Events Rooms as Well as Corresponding Method |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/788,149 Expired - Fee Related US8024010B2 (en) | 2006-04-19 | 2007-04-19 | Radio transmission apparatus and control apparatus for events rooms as well as corresponding method |
Country Status (3)
Country | Link |
---|---|
US (2) | US8024010B2 (en) |
EP (1) | EP1848246B1 (en) |
DE (1) | DE102006018155A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9204232B2 (en) | 2011-05-23 | 2015-12-01 | Oticon A/S | Method of identifying a wireless communication channel in a sound system |
Families Citing this family (7)
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US7778433B2 (en) * | 2005-04-29 | 2010-08-17 | Industrial Technology Research Institute | Wireless system and method thereof for hearing |
US20090030484A1 (en) * | 2007-04-30 | 2009-01-29 | Cochlear Limited | Bilateral prosthesis synchronization |
DE102007020595B4 (en) * | 2007-05-02 | 2009-01-02 | Siemens Ag | Device for the wireless control of an apparatus |
EP2104378B2 (en) * | 2008-02-19 | 2017-05-10 | Starkey Laboratories, Inc. | Wireless beacon system to identify acoustic environment for hearing assistance devices |
DE102008049610A1 (en) | 2008-09-30 | 2010-04-08 | Siemens Aktiengesellschaft | Power supply system for a three-phase electric arc furnace with DC link converter between mains connection and furnace transformer |
US8953810B2 (en) | 2011-03-03 | 2015-02-10 | Cochlear Limited | Synchronization in a bilateral auditory prosthesis system |
US9532147B2 (en) | 2013-07-19 | 2016-12-27 | Starkey Laboratories, Inc. | System for detection of special environments for hearing assistance devices |
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US4773427A (en) * | 1987-05-26 | 1988-09-27 | Fukuda Denshi Co., Ltd. | Water-proof device for transmitter |
US5201007A (en) * | 1988-09-15 | 1993-04-06 | Epic Corporation | Apparatus and method for conveying amplified sound to ear |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9204232B2 (en) | 2011-05-23 | 2015-12-01 | Oticon A/S | Method of identifying a wireless communication channel in a sound system |
Also Published As
Publication number | Publication date |
---|---|
EP1848246A3 (en) | 2010-09-08 |
EP1848246B1 (en) | 2012-06-06 |
US20070249289A1 (en) | 2007-10-25 |
DE102006018155A1 (en) | 2007-10-25 |
EP1848246A2 (en) | 2007-10-24 |
US8024010B2 (en) | 2011-09-20 |
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