EP1103162A1 - Casque a infrarouge - Google Patents
Casque a infrarougeInfo
- Publication number
- EP1103162A1 EP1103162A1 EP99932600A EP99932600A EP1103162A1 EP 1103162 A1 EP1103162 A1 EP 1103162A1 EP 99932600 A EP99932600 A EP 99932600A EP 99932600 A EP99932600 A EP 99932600A EP 1103162 A1 EP1103162 A1 EP 1103162A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- infrared
- headphones
- switch
- reception
- receiver
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
Definitions
- the present invention relates to an infrared headphone according to the preamble of claim 1.
- an infrared headphone which consists of two playback transducers connected to each other via a chin guard, an electrical circuit that receives infrared signals and converts them into audio signals, and two microphones with downstream microphone amplifiers.
- the circuit of this infrared headphone is such that the playback transducers can be supplied with the signals derived from the infrared circuit or the microphone amplifiers either individually or in combination.
- the microphones are arranged at a distance from one another on the chin guard in such a way that they are symmetrical with respect to the media plane of the head of a user, the signals derived from the microphones being fed in phase opposition to the other microphone amplifier in the same ratio.
- infrared headphones are usually in operative connection with a transmitter that transmits the sound signals, for example from a television or from a hi-fi system, converted into invisible infrared rays, and emits them into the room where they are received by the infrared headphones, which can be used to provide wireless infrared sound transmission. It makes sense to have such a transmitter at the same time as a charging station for the infrared receiver and for at least one battery insert, which is used in the charged state to operate the infrared headphones.
- the invention as characterized in the claims, is based on the object of increasing the ease of use, the acceptance and the availability of such a device in the case of infrared headphones of the type mentioned.
- infrared headphones which are also called chin strap receivers, they receive the sound signals via the invisible infrared beam, which are amplified in the chin strap receiver via small loudspeakers attached to the two ends of brackets and passed on to the ears.
- the temple ends connected to the basic housing each of which is equipped with a small loudspeaker at the end, and together form a chin guard receiver, be designed to be resiliently spreadable in at least one level by a mounted guide.
- this results in a pleasant ear-side attachment of the small loudspeakers on the other hand, this controlled spreading leads to an automatic switch-on of the chin guard receiver, in that the spreading is in operative connection with a switch which is preferably placed in the basic housing.
- this provision according to the invention makes the wearing of the chin guard receiver in operative connection with the arrangement of the small loudspeakers pleasant by preventing unpleasant pressure points on the ears. If the chin guard receiver is put down, it switches off automatically.
- the user determines that the chin guard receiver has automatically switched on. This on / off philosophy also protects the battery charge and the previously set volume is retained when you put it back on.
- the receiver is switched by the user using a combined on / off switch and volume control.
- the volume control is always turned to zero.
- the volume control is always turned to zero.
- the user When it is used again, it is then determined that the battery energy or the battery is empty and the device is no longer immediately ready for operation.
- the user must readjust the volume that is appropriate for him after each switch-on.
- Another circuit according to the invention in the chin guard receiver ensures that an automatic switch-off of the receiver intervenes when the reception quality falls below a certain quality tolerance limit.
- the carrier will instinctively always take the receiving position that allows the transmission based on the specified quality control. Accordingly, if the chin guard receiver is outside the transmission range or if the infrared beam is disturbed, the chin guard receiver switches off the disturbed sound transmission, but switches it on again immediately as soon as the reception is properly correct again by appropriately turning the wearer towards the transmitter.
- the wearer is no longer disadvantaged by annoying and unpleasant sound disturbances, sound disturbances these which are basically taken can massively reduce the acceptance of a chin guard receiver.
- the infrared transmission beams are only switched on as long as a television program or music is received. If the sound-emitting device is switched off, the infrared transmission beams switch off after a few minutes.
- Fig. 1 the outer design of a chin guard receiver
- Fig. 3 shows the internal mechanics in connection with the resilient temple ends. WAYS OF CARRYING OUT THE INVENTION, INDUSTRIAL APPLICABILITY
- Fig. 1 the chin guard receiver is shown in use on users.
- the basic housing 20a-c of the chin guard receiver is shown here and the small speakers 21 are shown.
- Fig. 2 the front 20a of the chin guard receiver is shown again.
- the chin guard receiver is worn in such a way that this front side 20a must always be directed towards the transmitter.
- This front side 20a is usually provided with a clearly visible inscription which provides the wearer with reliable help in correctly fitting the chin guard receiver.
- the basic housing On the underside, the basic housing has an opening 28, into which an operational battery insert E is inserted.
- the geometric design of the battery insert E is such that there is only one way to insert the battery insert E correctly and completely into the chin guard receiver.
- Item 20b shows the rear of the chin guard receiver. Integrated in this are sound transmission settings 25 and 26. These settings are each made by a hearing consultant who optimally adjusts the sound transmission properties of the chin strap receiver to the specific hearing of the wearer.
- Item 20c represents the top of the chin guard receiver.
- a volume control 23 which is provided with an adjustable volume gradation identified by numbers, a marking 24 indicating the gradation set. This means that the user can always selectively control his or her pleasant volume.
- This volume adjustment on the top of the chin guard receiver is very easy to use.
- the volume control 23 is located on the right-hand side as seen from the wearer.
- Item 27 identifies the two bracket ends, which are mounted in the basic housing 20a-c in a resiliently expandable manner and are in operative connection with a switch shown in more detail in FIG. 3.
- This switch responds to the spread position of the temple ends 27 by activating the receiver circuit. This remains on reception as long as the chin guard receiver is worn. When the same is put down, the bow ends 27 spring into a rest position in which the switch goes to "off".
- the temple ends 27 each carry a small loudspeaker 21 via skin-friendly padding 22, which are placed at the ear canal inputs and ensure perfect reception.
- the padding also serves to keep the small speaker 21 and its opening clean.
- a circuit, not shown in the chin guard receiver ensures that the reception is automatically switched off whenever the reception quality falls below a certain quality tolerance limit. This means that the wearer instinctively turns to the receiving position that allows the transmission based on the specified quality control. Accordingly, if the chin guard receiver is outside the transmission range or if the infrared beam is deflected, partially caught or disturbed, the chin guard receiver immediately switches off the disturbed sound transmission, but then switches it on again as soon as the reception of the sound quality built into the chin guard receiver is of good quality is allowed again here. Thus, the wearer is no longer confronted by annoying and unpleasant sound disturbances when wearing the chin strap receiver.
- a switch 5 acts laterally, which is actuated by a switching device. is controlled at 6, the positioning of which is made possible by a correspondingly attached spring 9.
- This spring 9 is held between a stop plate 8 and the side plane of the electronic circuit board 14, this stop plate 8 being part of the shift lever 6.
- a further stop plate 8a which lies in the same plane with the stop surface of the stop plate 8 already mentioned on the shift lever 6, and this with the lateral border 13 of the basic housing serves as a limit for the sprung rotary movement 12, i.e.
- the shift lever 6 is equipped with a corresponding lever action at the upper end of the basic housing so that it can rotate 10.
- the bracket ends 27 are at rest, the two stop plates 8, 8a are pressed against one another by the spring 9.
- the spring 9 is slightly compressed in such a way that the lower end of the switching lever 6 makes contact with the switch 5.
- the electronic circuit board 14 which is operatively connected to the switch 5 switches on immediately as soon as the switch 5 is activated by the resilient rotary movement 12 of the bracket ends 27. In the rest position of the temple ends 27, reception is switched off.
- the bracket ends 27 each have a spring 9 and corresponding stop plates, so that an advantageous symmetrical suspension can be achieved.
- the headphones described here have been focused on operation with infrared signals. This should in no way preclude the possibility that these headphones can of course also be used for the reception and implementation of other wireless signals, for example radio signals. Only the specific electronic components then vary from case to case: these signal-related adaptations do not change anything in the basic structure of the headphones described according to the invention.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Headphones And Earphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH162498 | 1998-08-03 | ||
CH162498 | 1998-08-03 | ||
PCT/CH1999/000361 WO2000008894A1 (fr) | 1998-08-03 | 1999-08-01 | Casque a infrarouge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1103162A1 true EP1103162A1 (fr) | 2001-05-30 |
EP1103162B1 EP1103162B1 (fr) | 2002-07-17 |
Family
ID=4214803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99932600A Expired - Lifetime EP1103162B1 (fr) | 1998-08-03 | 1999-08-01 | Casque a infrarouge |
Country Status (7)
Country | Link |
---|---|
US (1) | US6735306B1 (fr) |
EP (1) | EP1103162B1 (fr) |
JP (1) | JP2002522993A (fr) |
AT (1) | ATE220846T1 (fr) |
DE (1) | DE59902057D1 (fr) |
DK (1) | DK1103162T3 (fr) |
WO (1) | WO2000008894A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1651002A1 (fr) * | 2004-10-20 | 2006-04-26 | Obo Pro.2 Inc. | Casque d'écoute avec interrupteur automatique |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003317455A (ja) * | 2002-04-26 | 2003-11-07 | Mitsubishi Electric Corp | 情報再生装置および情報再生方法 |
DE50313583D1 (de) * | 2002-06-04 | 2011-05-12 | Adec & Partner Ag | Kopfhörer |
SE528024C2 (sv) * | 2004-07-12 | 2006-08-08 | Niklas Danielson | En öronhögtalarenhet samt ett datorsystem |
US20060083397A1 (en) * | 2004-10-19 | 2006-04-20 | Obo Pro.2 Inc. | Wireless headphone with a self-actuated switch |
JP4158117B2 (ja) | 2005-03-28 | 2008-10-01 | ソニー株式会社 | ヘッドホン装置 |
US9438984B1 (en) | 2005-08-29 | 2016-09-06 | William F. Ryann | Wearable electronic pieces and organizer |
US8155362B2 (en) * | 2007-11-29 | 2012-04-10 | Plantronics, Inc. | Wireless listening system |
WO2017053575A1 (fr) * | 2015-09-22 | 2017-03-30 | Muzik LLC | Cache-oreilles antibruit interchangeables pour des casques d'écoute |
AU2020274433A1 (en) * | 2019-05-16 | 2021-12-02 | Locatelli S.P.A. | Protective helmet |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT315264B (de) * | 1972-07-11 | 1974-05-27 | Akg Akustische Kino Geraete | Kopfhörer für Dolmetscheranlagen, Sprachschulen u.dgl. |
DE2435552B2 (de) * | 1974-07-24 | 1976-07-22 | Loewe Opta Gmbh, 1000 Berlin | Kopfhoerer |
JPS5828968B2 (ja) * | 1977-08-31 | 1983-06-20 | ソニー株式会社 | Pll方式周波数シンセサイザチュ−ナ |
US4229829A (en) * | 1978-03-16 | 1980-10-21 | Grunwald Peter H | Apparatus for wireless transmission of a teaching program in a classroom |
NL7804041A (nl) * | 1978-04-17 | 1979-10-19 | Philips Nv | Stethoscopische oortelefoon. |
US4461025A (en) * | 1982-06-22 | 1984-07-17 | Audiological Engineering Corporation | Automatic background noise suppressor |
DE3325031A1 (de) * | 1983-07-11 | 1985-01-24 | Sennheiser Electronic Kg, 3002 Wedemark | Infrarot-kopfhoerer |
US4734928A (en) * | 1986-06-16 | 1988-03-29 | B/W Investments | Cellular mobile phone with a plurality of accessing telephone numbers for allowing access to the mobile phones by any one of the telephones numbers |
JP2830421B2 (ja) | 1990-08-14 | 1998-12-02 | ソニー株式会社 | ワイヤレス受信機 |
JPH069293U (ja) * | 1992-07-10 | 1994-02-04 | アイワ株式会社 | ヘッドホン等の操作部機構 |
FR2706103B1 (fr) * | 1993-06-03 | 1997-01-31 | Ericsson Ge Mobile Communicat | Appareil radiotéléphonique. |
US5642426A (en) * | 1994-06-13 | 1997-06-24 | Neuman; Bernard | Integral radio and infrared assistive listening device |
JPH08162993A (ja) * | 1994-12-08 | 1996-06-21 | Matsushita Electric Ind Co Ltd | ワイヤレス音声送受信装置 |
JP3045051B2 (ja) * | 1995-08-17 | 2000-05-22 | ソニー株式会社 | ヘッドホン装置 |
DE10042691C2 (de) * | 2000-08-31 | 2002-08-01 | Sennheiser Electronic | Kinnbügel-Kopfhörer |
-
1999
- 1999-08-01 EP EP99932600A patent/EP1103162B1/fr not_active Expired - Lifetime
- 1999-08-01 US US09/762,199 patent/US6735306B1/en not_active Expired - Lifetime
- 1999-08-01 DE DE59902057T patent/DE59902057D1/de not_active Expired - Lifetime
- 1999-08-01 DK DK99932600T patent/DK1103162T3/da active
- 1999-08-01 JP JP2000564413A patent/JP2002522993A/ja not_active Withdrawn
- 1999-08-01 WO PCT/CH1999/000361 patent/WO2000008894A1/fr active IP Right Grant
- 1999-08-01 AT AT99932600T patent/ATE220846T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO0008894A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1651002A1 (fr) * | 2004-10-20 | 2006-04-26 | Obo Pro.2 Inc. | Casque d'écoute avec interrupteur automatique |
Also Published As
Publication number | Publication date |
---|---|
WO2000008894A1 (fr) | 2000-02-17 |
DE59902057D1 (de) | 2002-08-22 |
US6735306B1 (en) | 2004-05-11 |
JP2002522993A (ja) | 2002-07-23 |
ATE220846T1 (de) | 2002-08-15 |
DK1103162T3 (da) | 2002-11-04 |
EP1103162B1 (fr) | 2002-07-17 |
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