EP0895702B1 - Am körper eines benutzers lagerbare schallwiedergabevorrichtung - Google Patents
Am körper eines benutzers lagerbare schallwiedergabevorrichtung Download PDFInfo
- Publication number
- EP0895702B1 EP0895702B1 EP97904409A EP97904409A EP0895702B1 EP 0895702 B1 EP0895702 B1 EP 0895702B1 EP 97904409 A EP97904409 A EP 97904409A EP 97904409 A EP97904409 A EP 97904409A EP 0895702 B1 EP0895702 B1 EP 0895702B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound
- user
- head
- sound reproduction
- holder
- 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.)
- Expired - Lifetime
Links
- 210000005069 ears Anatomy 0.000 claims description 8
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005236 sound signal Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/13—Hearing devices using bone conduction transducers
Definitions
- the invention relates to a sound reproduction device with at least a sound transducer and one of the at least one sound transducer carrying bracket for storage on a user's body and goes from DE-A-32 14 080.
- Such a device has hitherto been known as headphones.
- the headphone has two auricles, in each of which at least one transducer is arranged. Storage of the headphones on the user's body takes place in such a way that it is placed on the head, so that one at a time Ear cup with its open side directly on one ear of the user rests or surrounds it and thus the one or more in the auricle arranged transducers the acoustic signals directly to the ear (- the known headphones should therefore be more accurate than "Earphones" are called). It is characteristic of the headphones that the left ear only the left audio signal, and the right ear only that right audio signal of the headphones.
- the bracket for storage on the body of the user is designed such that it can be stored on the shoulder of the user and thereby the two transducers can be placed at a distance from the user's head, so that the user's head against the bracket and thus against the Sound transducers remains free to move.
- the first of the two transducers is that left, the second transducer assigned to the right ear of the user and both transducers are on the side of the user's head.
- the sound reproduction device of the type mentioned in such a way that a high quality Sound reproduction with improved spatial allocation, especially with multi-channel Sound reproduction, in a structurally simple manner and without taking up much space, without the installation problems encountered with speaker systems and can be achieved without being influenced by the room acoustics, including a reproduction should be possible at relatively high volumes without disturbing the environment.
- the left and the respective right ear can record all played channels, so that the individual Transfer function of a user's head included in the playback becomes.
- the Sound incidence clearly from the listener be determined.
- This is also supported by the fact that with fixed Device a head rotation is made possible, which as in the natural Listening to the location of a sound source is simplified.
- a so-called head-related Sound reproducing device created by on the body of the user mounted bracket or transducers themselves not directly on the head but are arranged at a distance from it and thus allow the head to rotate, with the transducer or transducers don't move your head.
- the inventive Construction achieve an exact spatial assignment.
- the sound reproduction device take advantage of the overall transfer function of the head while this is not possible with headphones because headphones are not “headphones”, but rather “earphones” because their ear cups are directly on the Lay on the ear or enclose it and thus the ones in it Sound transducers deliver the acoustic signals directly to the ear.
- Sound transducers deliver the acoustic signals directly to the ear.
- the sound reproduction device takes place in the sound reproduction device according to the invention due to the arrangement of the transducer or transducers at a distance from
- the invention allows sound reproduction at a very high level Noise perception without the environment and especially the Neighbors are disturbed because the transducers are very close to the ears are arranged by the user and therefore already relatively low sound pressures on the playback converter are sufficient to achieve a high user To achieve volume impression.
- the bracket can be designed such that it is easy on the shoulder of the user can be placed and thus fixed.
- the sound reproduction device is suitable because of its Advantage of improved spatial reproduction, especially for one Multi-channel playback, for example in Dolby Surround mode, for what then several sound transducers are to be arranged on the holder.
- a pair of sound transducers can each be arranged on the holder in such a way that it is in front of and / or behind the bracket mounted on the body of the user the frontal plane of a coordinate system related to the user's head lies, where expediently the one transducer one pair on one side and the other transducer on the other Median level side of the user’s head Coordinate system is arranged.
- the Bracket at least one additional sound transducer can be arranged such that he is in front of the head of the User lies and preferably between the two transducers and especially in the median level of the user's head Coordinate system can be placed.
- This additional transducer should especially in the case of a Dolby Surround system as a center channel be provided.
- At least one additional woofer can be attached to the bracket be arranged, preferably such that he at am Body of the user mounted bracket behind his head and in particular at the median level of the user's head Coordinate system lies. Because a low-frequency signal from psychoacoustic Reasons cannot be assigned a clear direction, is the Playback via a woofer is sufficient. In addition this measure reduces the weight of the device.
- the transmission range of the woofer should be appropriate are below 200 to 400 Hz.
- the holder can be acoustic lines have, which is mounted on the body of the user from the holder Lead low frequency transducers to the user's two ears and preferably end below this. In this way, the low frequency transducer generated low-frequency sound component directed to both ears.
- a further construction that is particularly useful in terms of construction is characterized in that the holder consists of a molded body, in which the acoustic lines are contained.
- bracket itself should be made of sound absorbing material exist so that it is not stimulated to vibrate itself and thus contributes to sound reproduction in an uncontrolled manner.
- the first embodiment of the sound reproduction device shown in FIG. 1 has a frame 2, which consists of a rear part 4 and two on both sides adjoining curved side parts 5 and 6, which are in free End sections 7 and 8 end.
- the frame 2 is thus a shaped body formed, which in plan view (see Fig. 2) essentially the shape of a interrupted "O" or a "U” with free ends bent inwards owns.
- front first and second Sound transducers 10 and 11 rear third and fourth sound transducers 12 and 13 and a rear woofer 14 is arranged. So that serves Frame 2 for holding the transducers 10 to 14.
- the transducers 10 to 14 form a multi-channel Dolby Surround playback system, whereby the front first and second sound converters 10 and 11 as main converters to reproduce the front right and left information and the rear third and fourth sound transducers 12 and 13 as rear Converter for reproducing the additional room information (surround channel) are provided while the rear woofer 14 den reproduces low-frequency portion.
- acoustic in frame 2 Lines 15 and 16 formed, one of which is an acoustic line 1 5 extends from the rear bass transducer 14 into one side part 5 and there adjacent to the rear third sound transducer 12 in one outlet opening 17 arranged on the inside ends and the other ends Acoustic line 16 from the rear bass transducer 14 in the other Side part 6 extends and there adjacent to the rear fourth transducer 13 likewise ends in an inward opening 18.
- the transducers 10 to 14 are sunk arranged to avoid edges that would otherwise reflect sound and thus also interference with that emitted directly by the sound transducer Cause sound.
- the first to fourth transducers 10-13 aligned so that the Sound through appropriately trained on the inside of the frame 2 (Not shown in more detail) openings in the 2 enclosed by the frame Deliver interior, the frame 2 at least at those openings, but preferably as a whole of one (not shown) Textile layer is covered, which is however not absolutely necessary.
- the Frame 2 itself is made of a highly damping material, so it does not itself contribute to sound generation and conduction.
- the rear bass transducer 14 and the associated acoustic lines 15 and 16 arranged and designed such that between the outlet openings 17 and 18 of the acoustic lines 15 and 16 and the rear Exit opening of the woofer 14 each substantially acoustic short circuit for the low-frequency sound components results.
- the frame 2 is designed as a molded body however, other constructions for mounting the transducers 10-14 and formation of the acoustic lines 15 and 16 conceivable. If desired, can also dispense with the acoustic lines 15 and 16 become; this naturally also applies in principle to the number and training of the individual sound transducers.
- FIGS. 2 and 3 now show how the previously described embodiment the sound reproducing device mounted on a user's body becomes.
- the frame 2 is not only used to arrange the sound transducers 10 - 14, but also for storing this arrangement on the body of a User by using the undersides 5a and 6a of the side parts 5 and 6 (see Fig. 1) rests on the shoulders 20 of the user while it is with the Underside 4a of the rear part 4 (see FIG. 1) on the (not specified) Back of the user is supported.
- the frame 2 is designed and on the shoulders 2 and possibly on the back of the user and fixable that the frame 2 a short distance from the head 22 of the Has user and thus the head 22 remains free to move.
- the frame can also be designed so that it is on another Body part is storable. It is only important that it is on one of the 22nd different body part of the user can be stored, so that the head 22nd compared to the frame 2 and thus compared to those arranged therein Sound transducers 10-14 and outlet openings 17 and 18 of the acoustic Lines 15 and 16 remain freely movable.
- the frame 2 of the embodiment shown there has the shape of a Collar when it rests on the shoulders 20 of the user. Therefore the described sound reproduction device can also be used as a "hearing collar" be designated.
- the storage is preferably designed so that the focus of the Central storage in the support area between the shoulders of the user trains. If necessary, weights 7 and 8 can be accommodated for this purpose be (not shown).
- the sound transducers 10 - 14 and the outlet openings 17 and 18 of the acoustic lines 15 and 16 arranged in the frame 2 so that at on the body of the user frame 2, the front first and second transducers 10 and 11 in front of the frontal plane F one on the head 22 user-related coordinate system in the area of the chin below ear level and the rear third and fourth transducers 12 and 13 lie behind the frontal plane F and the outlet openings 17 and 18 of the acoustic lines 15 and 16 just below the ears 24 and 25 are arranged while the rear woofer 14 behind the Head 22 lies, as can be seen in FIGS. 2 and 3.
- front first and second transducers 10 and 11 and the rear third and fourth sound transducers 12 and 13 are front first and second transducers 10 and 11 and the rear third and fourth sound transducers 12 and 13 each symmetrical to Median plane M of the coordinate system related to the user's head 22 arranged while the rear woofer 14 in the median plane M lies, as can also be seen in FIG. 2.
- the described sound reproduction device accordingly forms a head-related one multi-channel playback system.
- the transducers 10-14 are over arranged around the head 22, but not directly on the head 22 but at least a short distance from it are arranged and thus do not move when the head 22 rotates.
- the user's head 22 is thus exposed himself, which leads to that as with loudspeakers set up in the room, a spatial Playback is enabled. Due to the spatial distance of the transducers from ears 24 and 25 is the transfer function of the user head included in the sound field and there is also a structure-borne sound transmission instead, so that the perception of the reproduced Sound sounds more "natural" to the user.
- FIGS. 4 and 5 show a second embodiment of the sound reproduction device shown, which differ from the first embodiment according to the figures 1 to 3 differs in that in addition a front sound transducer 30 is arranged, the on the shoulders 20 of the user Frame 2 approximately in the median plane M in the area of the chin of the user lies.
- a front sound transducer 30 is arranged, the on the shoulders 20 of the user Frame 2 approximately in the median plane M in the area of the chin of the user lies.
- this additional sound transducer 30 is one End section 7 compared to the first embodiment with an extension 7a provided and extended accordingly or the device is after closed at the front (O-shaped).
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Stereophonic Arrangements (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Pens And Brushes (AREA)
- Stereophonic System (AREA)
- Electrophonic Musical Instruments (AREA)
Description
- Fig. 1
- eine erste Ausführung der Schallwiedergabevorrichtung in perspektivischer Darstellung;
- Fig. 2
- die Ausführung gemäß Fig. 1 (auf den Schultern eines Benutzers gelagert) in Draufsicht;
- Fig. 3
- die Ausführung gemäß Fig. 1 (auf den Schultern eines Benutzers gelagert) in Vorderansicht;
- Fig. 4
- eine zweite Ausführung der Schallwiedergabevorrichtung;
- Fig. 5
- die Ausführung gemäß Fig. 4 (auf den Schultern eines Benutzers gelagert) in Draufsicht;
- Fig. 6
- eine Vorderansicht der Schallwiedergabevorrichtung;
- Fig. 7
- eine Seitenansicht mit einem Teilschnitt durch die Schallwiedergabevorrichtung; und
- Fig. 8
- eine Ansicht von oben der Schallwiedergabevorrichtung.
Claims (15)
- Schallwiedergabevorrichtung für eine mehrkanalige Schallwiedergabe, dadurch gekennzeichnet, daß die Schallwiedergabevorrichtung wenigstens einen ersten, zweiten und dritten Schallwandler (10, 11, 12, 13, 14, 30) und eine die Schallwandler tragende Halterung zur Lagerung am Körper des Benutzers aufweist, wobei die Halterung (2) derart ausgebildet ist, daß sie an einem vom Kopf unterschiedlichen Körperteil des Benutzers lagerbar ist und dabei die Schallwandler benachbart und in einem Abstand zum Kopf des Benutzers plazierbar sind, so daß der Kopf des Benutzers gegenüber der Halterung und somit gegenüber den Schallwandlern frei bewegbar bleibt, daß der erste Schallwandler dem linken, der zweite Schallwandler dem rechten Ohr zugeordnet ist und daß der dritte Schallwandler vor dem Gesicht des Benutzers liegt.
- Schallwiedergabevorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß der Schallwandler vor dem Gesicht (22) des Benutzers etwa in Höhe der Mundpartie oder darunter angeordnet ist. - Schallwiedergabevorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß zwei Schallwandler so angeordnet sind, daß sie vor dem Kopf (22) des Benutzers liegen, wobei der eine Schallwandler links, der andere Schallwandler rechts von der Medianebene (M) angeordnet sind und die Schallwandler etwa in Kinnhöhe vor dem Gesicht (22) des Benutzers liegen. - Schallwiedergabevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der oder die Schallwandler vor dem Gesicht des Benutzers in einem Abstand vor der Frontalebene (F) eines auf den Kopf des Benutzers bezogenen Koordinationsystems liegt oder liegen.
- Schallwiedergabevorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß vier Schallwandler an der Halterung (2) angeordnet sind, von denen zwei so angeordnet sind, daß sie vor dem Gesicht (22) des Benutzers liegen und zwei weitere so angeordnet sind, daß sie in unmittelbarer Nähe der Ohren (24, 25) des Benutzers zur Anlage kommen. - Schallwiedergabevorrichtung nach Anspruch 4 oder 5,
dadurch gekennzeichnet, daß ein Paar von Schallwandlern (12, 13) an der Halterung (2) derart angeordnet ist, daß es bei am Körper (20) des Benutzers hinter der Frontalebene (F) eines auf den Kopf (22) des Benutzers bezogenen Koordinatensystems liegt. - Schallwiedergabevorrichtung nach Anspruch 5 und/oder 6
dadurch gekennzeichnet, daß der Schallwandler (10; 12) eines Paares auf der einen Seite und der andere Schallwandler (11; 13) auf der anderen Seite der Medianebene (M) des auf den Kopf (22) des Benutzers bezogenen Koordinatensystems angeordnet ist. - Schallwiedergabevorrichtung nach Anspruch 7,
dadurch gekennzeichnet, daß die Schallwandler (10 - 13) symmetrisch zur Medianebene (M) plazierbar sind. - Schallwiedergabevorrichtung nach mindestens einem der Ansprüche 4 bis 8,
dadurch gekennzeichnet, daß an der Halterung (2) mindestens ein zusätzlicher Schallwandler (30) derart angeordnet ist, daß er bei am Körper (20) des Benutzers gelagerter Halterung (2) vor dem Gesicht (22) des Benutzers in etwa in der Medianebene (M) liegt. - Schallwiedergabevorrichtung nach mindestens einem der Ansprüche 4 bis 9,
dadurch gekennzeichnet, daß an der Halterung (2) mindestens ein zusätzlicher Tieftonschallwandler (14) angeordnet ist. - Schallwiedergabevorrichtung nach Anspruch 10,
dadurch gekennzeichnet, daß der zusätzliche Tieftonschallwandler (14) derart an der Halterung (2) angeordnet ist, daß er bei am Körper (20) des Benutzers gelagerter Halterung (2) hinter dessen Kopf (22) liegt. - Schallwiedergabevorrichtung nach Anspruch 11,
dadurch gekennzeichnet, daß der zusätzliche Tieftonschallwandler (14) in der Medianebene (M) des auf den Kopf (22) des Benutzers bezogenen Koordinatensystems liegt. - Schallwiedergabevorrichtung nach mindestens einem der Ansprüche 10 bis 12,
dadurch gekennzeichnet, daß die Halterung (2) akustische Leitungen (15, 16) aufweist, die bei am Körper (20) des Benutzers gelagerter Halterung (2) vom Tieftonschallwandler (14) zu den beiden Ohren (24, 25) des Benutzers führen und vorzugweise unterhalb dieser enden. - Schallwiedergabevorrichtung nach Anspruch 13,
dadurch gekennzeichnet, daß die Halterung (2) aus einem Formkörper besteht, in welchem die akustischen Leitungen (15, 16) enthalten sind. - Schallwiedergabevorrichtung nach mindestens einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, daß die Halterung (2) aus schalldämpfendem Material besteht.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19616870A DE19616870A1 (de) | 1996-04-26 | 1996-04-26 | Am Körper eines Benutzers lagerbare Schallwiedergabevorrichtung |
DE19616870 | 1996-04-26 | ||
PCT/EP1997/000605 WO1997041709A1 (de) | 1996-04-26 | 1997-02-10 | Am körper eines benutzers lagerbare schallwiedergabevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0895702A1 EP0895702A1 (de) | 1999-02-10 |
EP0895702B1 true EP0895702B1 (de) | 2000-03-29 |
Family
ID=7792611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97904409A Expired - Lifetime EP0895702B1 (de) | 1996-04-26 | 1997-02-10 | Am körper eines benutzers lagerbare schallwiedergabevorrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US6062337A (de) |
EP (1) | EP0895702B1 (de) |
JP (1) | JP2000509226A (de) |
AT (1) | ATE191308T1 (de) |
AU (1) | AU709695B2 (de) |
DE (2) | DE19616870A1 (de) |
ES (1) | ES2146081T3 (de) |
WO (1) | WO1997041709A1 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6234446B1 (en) * | 1997-01-16 | 2001-05-22 | John W. Patterson | Personal audio/video entertainment system |
WO1999020077A1 (de) * | 1997-10-15 | 1999-04-22 | Sennheiser Electronic Gmbh & Co. Kg | Am körper eines benutzers lagerbare schallwiedergabevorrichtung |
CA2432832A1 (en) * | 2003-06-16 | 2004-12-16 | James G. Hildebrandt | Headphones for 3d sound |
CN1697564A (zh) * | 2005-05-13 | 2005-11-16 | 陈汝健 | 一种贴身式立体声便携音箱 |
US8111854B2 (en) * | 2006-11-29 | 2012-02-07 | Yan-Ru Peng | Methods and apparatus for sound production |
US7861821B2 (en) * | 2007-11-17 | 2011-01-04 | Connor Robert A | Acoustically transmissive blanket system |
CN202206438U (zh) | 2008-04-22 | 2012-04-25 | 卡多通讯系统有限公司 | 头盔的颈部垫通信系统 |
KR101218027B1 (ko) * | 2009-08-31 | 2013-01-02 | 최해용 | 서클라인 다채널 스피커 장치 |
US11716575B2 (en) | 2011-12-23 | 2023-08-01 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
US11641551B2 (en) | 2011-12-23 | 2023-05-02 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
US8761431B1 (en) | 2013-08-15 | 2014-06-24 | Joelise, LLC | Adjustable headphones |
US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
WO2020220720A1 (zh) | 2019-04-30 | 2020-11-05 | 深圳市韶音科技有限公司 | 一种声学输出装置 |
US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11832060B2 (en) | 2014-01-06 | 2023-11-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
EP2999237B1 (de) * | 2014-09-18 | 2019-01-16 | Jazz Hipster Corporation | Tragbare Schalldosenvorrichtung |
EP3010252A1 (de) * | 2014-10-16 | 2016-04-20 | Nokia Technologies OY | Halsbandvorrichtung |
JP6598359B2 (ja) * | 2015-09-03 | 2019-10-30 | シャープ株式会社 | ウェアラブルスピーカ装置 |
EP3351012B1 (de) * | 2015-09-17 | 2020-07-15 | Bose Corporation | Akustisches gerät |
US9838787B1 (en) * | 2016-06-06 | 2017-12-05 | Bose Corporation | Acoustic device |
EP3280154B1 (de) * | 2016-08-04 | 2019-10-02 | Harman Becker Automotive Systems GmbH | System und verfahren zum betrieb einer tragbaren lautsprechervorrichtung |
KR101830246B1 (ko) * | 2016-08-09 | 2018-03-29 | 주식회사 이엠텍 | 넥밴드형 무선 음향 변환 장치 |
USD826893S1 (en) * | 2017-02-03 | 2018-08-28 | Onvocal, Inc. | Wearable electronic device accessory |
JP2019220996A (ja) * | 2019-10-02 | 2019-12-26 | シャープ株式会社 | ウェアラブルスピーカ装置 |
US20240041232A1 (en) * | 2022-08-02 | 2024-02-08 | Headwaters, Inc. | Pillow sound system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3237713A (en) * | 1964-07-16 | 1966-03-01 | Educational Res Associates Inc | Acoustical chamber |
US3900707A (en) * | 1973-06-06 | 1975-08-19 | Hear Muffs | Speaker apparatus |
US4110583A (en) * | 1975-02-03 | 1978-08-29 | Wilhelm Lepper | Earphone construction |
DE3214080C2 (de) * | 1982-04-16 | 1984-02-09 | Institut für Rundfunktechnik GmbH, 8000 München | Vorrichtung zum Wiedergeben stereofoner Signale |
GB9419678D0 (en) * | 1994-09-28 | 1994-11-16 | Marikon Resources Inc | Improvements in and relating to headphones |
-
1996
- 1996-04-26 DE DE19616870A patent/DE19616870A1/de not_active Withdrawn
-
1997
- 1997-02-10 ES ES97904409T patent/ES2146081T3/es not_active Expired - Lifetime
- 1997-02-10 AT AT97904409T patent/ATE191308T1/de not_active IP Right Cessation
- 1997-02-10 EP EP97904409A patent/EP0895702B1/de not_active Expired - Lifetime
- 1997-02-10 JP JP9538481A patent/JP2000509226A/ja active Pending
- 1997-02-10 US US09/171,727 patent/US6062337A/en not_active Expired - Fee Related
- 1997-02-10 AU AU17234/97A patent/AU709695B2/en not_active Ceased
- 1997-02-10 DE DE59701365T patent/DE59701365D1/de not_active Expired - Fee Related
- 1997-02-10 WO PCT/EP1997/000605 patent/WO1997041709A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2000509226A (ja) | 2000-07-18 |
WO1997041709A1 (de) | 1997-11-06 |
DE59701365D1 (de) | 2000-05-04 |
DE19616870A1 (de) | 1997-10-30 |
ATE191308T1 (de) | 2000-04-15 |
US6062337A (en) | 2000-05-16 |
AU709695B2 (en) | 1999-09-02 |
AU1723497A (en) | 1997-11-19 |
ES2146081T3 (es) | 2000-07-16 |
EP0895702A1 (de) | 1999-02-10 |
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