HK1202749A1 - 使用耳內插入型麥克風的有線無線耳機 - Google Patents
使用耳內插入型麥克風的有線無線耳機Info
- Publication number
- HK1202749A1 HK1202749A1 HK15103014.9A HK15103014A HK1202749A1 HK 1202749 A1 HK1202749 A1 HK 1202749A1 HK 15103014 A HK15103014 A HK 15103014A HK 1202749 A1 HK1202749 A1 HK 1202749A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- ear
- wired
- type microphone
- wireless earset
- earset
- Prior art date
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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
- H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
-
- 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
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party
-
- 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
- H04R1/1083—Reduction of ambient noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/109—Arrangements to adapt hands free headphones for use on both ears
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/01—Transducers used as a loudspeaker to generate sound aswell as a microphone to detect sound
-
- 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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Otolaryngology (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Headphones And Earphones (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120032209A KR101330476B1 (ko) | 2012-03-29 | 2012-03-29 | 귓속 삽입형 마이크를 사용하는 유무선 이어폰 장치 |
KR1020120077911A KR101348505B1 (ko) | 2012-07-17 | 2012-07-17 | 이어셋 |
PCT/KR2012/009489 WO2013147384A1 (ko) | 2012-03-29 | 2012-11-09 | 귓속 삽입형 마이크를 사용하는 유무선 이어셋 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1202749A1 true HK1202749A1 (zh) | 2015-10-02 |
Family
ID=49260598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK15103014.9A HK1202749A1 (zh) | 2012-03-29 | 2015-03-24 | 使用耳內插入型麥克風的有線無線耳機 |
Country Status (7)
Country | Link |
---|---|
US (3) | US9654858B2 (zh) |
EP (1) | EP2833645B1 (zh) |
JP (2) | JP2015515206A (zh) |
CN (1) | CN104396275B (zh) |
HK (1) | HK1202749A1 (zh) |
SG (1) | SG11201406152SA (zh) |
WO (1) | WO2013147384A1 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014160948A (ja) * | 2013-02-20 | 2014-09-04 | Funai Electric Co Ltd | イヤホンマイク |
CN108108144B (zh) * | 2014-07-21 | 2021-10-22 | 联想(北京)有限公司 | 一种电子设备及信息处理方法 |
KR101595270B1 (ko) * | 2014-08-18 | 2016-02-18 | 해보라 주식회사 | 유무선 이어셋 |
JP6591167B2 (ja) * | 2015-01-28 | 2019-10-16 | 京セラ株式会社 | 電子機器 |
US10396741B2 (en) * | 2015-05-14 | 2019-08-27 | Voyetra Turtle Beach, Inc. | Headset with programmable microphone modes |
KR20170018554A (ko) * | 2015-08-10 | 2017-02-20 | 해보라 주식회사 | 소리 필터링 시스템 |
US10111014B2 (en) | 2015-08-10 | 2018-10-23 | Team Ip Holdings, Llc | Multi-source audio amplification and ear protection devices |
US9401158B1 (en) | 2015-09-14 | 2016-07-26 | Knowles Electronics, Llc | Microphone signal fusion |
US9830930B2 (en) | 2015-12-30 | 2017-11-28 | Knowles Electronics, Llc | Voice-enhanced awareness mode |
US9779716B2 (en) | 2015-12-30 | 2017-10-03 | Knowles Electronics, Llc | Occlusion reduction and active noise reduction based on seal quality |
US9812149B2 (en) | 2016-01-28 | 2017-11-07 | Knowles Electronics, Llc | Methods and systems for providing consistency in noise reduction during speech and non-speech periods |
KR20170121545A (ko) * | 2016-04-25 | 2017-11-02 | 해보라 주식회사 | 이어셋 및 그 제어 방법 |
US10701473B2 (en) | 2016-11-29 | 2020-06-30 | Team Ip Holdings, Llc | Audio amplification devices with integrated light elements for enhanced user safety |
KR101899005B1 (ko) * | 2016-12-05 | 2018-09-14 | 주식회사 사운드브릿지 | 외부 마이크 및 이어커낼 마이크가 내장된 외부 소음환경 적응형 블루투스 이어셋 및 이의 제어방법 |
CN109819362A (zh) * | 2017-11-21 | 2019-05-28 | 深圳市冠旭电子股份有限公司 | 声音采集电路和蓝牙耳机 |
CN108055605B (zh) * | 2017-12-05 | 2020-02-11 | 歌尔股份有限公司 | 颈线蓝牙耳机及其应用方法 |
JP6950608B2 (ja) | 2018-03-29 | 2021-10-13 | セイコーエプソン株式会社 | 制御装置、受電装置及び電子機器 |
CN108519871B (zh) * | 2018-03-30 | 2020-07-21 | Oppo广东移动通信有限公司 | 音频信号处理方法及相关产品 |
KR101963736B1 (ko) * | 2018-05-02 | 2019-07-31 | 주식회사 오르페오사운드웍스 | 이어셋 및 이의 제어 방법 |
CN109511041B (zh) * | 2018-12-28 | 2020-06-26 | 歌尔科技有限公司 | 一种耳机的开机设定的方法、装置以及耳机 |
CN109831710A (zh) * | 2019-02-19 | 2019-05-31 | 泽丰音频技术(深圳)有限公司 | 一种话筒音响一体式设备及调节方法、系统 |
CN109871196B (zh) * | 2019-03-15 | 2022-08-02 | 维沃移动通信有限公司 | 移动终端及移动终端的控制方法 |
CN110232919A (zh) * | 2019-06-19 | 2019-09-13 | 北京智合大方科技有限公司 | 实时语音流提取与语音识别系统及方法 |
US11388498B1 (en) * | 2020-12-30 | 2022-07-12 | Gn Audio A/S | Binaural hearing device with monaural ambient mode |
US11523236B2 (en) * | 2021-03-18 | 2022-12-06 | Lenovo (Singapore) Pte. Ltd. | Techniques for active microphone use |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5963585U (ja) * | 1982-10-19 | 1984-04-26 | 松下電器産業株式会社 | マイクロホン付ヘツドホン装置 |
JPH0591583A (ja) * | 1991-09-30 | 1993-04-09 | Toshiba Corp | イヤホン |
DE69531413T2 (de) * | 1994-05-18 | 2004-04-15 | Nippon Telegraph And Telephone Corp. | Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ |
JPH07322382A (ja) * | 1994-05-23 | 1995-12-08 | Datsudo Japan:Kk | マイク付きイヤフォン |
JP3312100B2 (ja) * | 1996-08-07 | 2002-08-05 | ホシデン株式会社 | イヤホーンマイクロホン |
US7072476B2 (en) * | 1997-02-18 | 2006-07-04 | Matech, Inc. | Audio headset |
US6094492A (en) * | 1999-05-10 | 2000-07-25 | Boesen; Peter V. | Bone conduction voice transmission apparatus and system |
US6374126B1 (en) * | 1999-11-10 | 2002-04-16 | Ericsson Inc. | Hands-free headset with stowable stereo earpiece |
KR20000018098A (ko) | 2000-01-11 | 2000-04-06 | 이재현 | 지문 및 스마트카드를 이용한 개인용컴퓨터 보안장치 |
JP2001309476A (ja) * | 2000-04-26 | 2001-11-02 | Kubota Corp | 音声情報切換装置 |
JP2004504785A (ja) * | 2000-07-13 | 2004-02-12 | マテック インコーポレイテッド | オーディオヘッドセット |
KR100371012B1 (ko) | 2000-12-28 | 2003-02-06 | (주)네프코 | 로컬 시스템과 플로터 시스템과의 인터페이스 방법 |
JP4596688B2 (ja) * | 2001-06-22 | 2010-12-08 | ナップエンタープライズ株式会社 | イヤホーンマイク |
JP2003101611A (ja) * | 2001-09-26 | 2003-04-04 | Kanebo Ltd | 信号切換ユニット |
KR200317093Y1 (ko) | 2003-03-14 | 2003-06-25 | 이명신 | 휴대용 통신장치 이어폰의 전자파 차단장치 |
JP2005277792A (ja) * | 2004-03-25 | 2005-10-06 | Nappu Enterprise Kk | 発振・エコーキャンセラーシステム |
US7899194B2 (en) * | 2005-10-14 | 2011-03-01 | Boesen Peter V | Dual ear voice communication device |
WO2006055723A1 (en) * | 2004-11-16 | 2006-05-26 | Cabot Safety Intermediate Corporation | Hearing protection and earphone device |
CN1291308C (zh) * | 2005-04-08 | 2006-12-20 | 北京中星微电子有限公司 | 一种消除回音的方法 |
CN2817271Y (zh) * | 2005-08-09 | 2006-09-13 | 潘晓今 | 一种电话听筒式的耳机麦克风组合装置 |
JP4850524B2 (ja) * | 2006-01-27 | 2012-01-11 | ナップエンタープライズ株式会社 | 発振・エコーキャンセラーシステム |
US7903825B1 (en) * | 2006-03-03 | 2011-03-08 | Cirrus Logic, Inc. | Personal audio playback device having gain control responsive to environmental sounds |
JP2007281916A (ja) * | 2006-04-07 | 2007-10-25 | Nittetsu Elex Co Ltd | イヤホンマイク |
KR20070105555A (ko) * | 2006-04-26 | 2007-10-31 | 허명선 | 마이크를 구비하는 이어폰 |
KR200426390Y1 (ko) * | 2006-06-15 | 2006-09-18 | 허명선 | 마이크를 구비하는 이어폰 |
KR20080072324A (ko) * | 2007-02-02 | 2008-08-06 | 노틸러스효성 주식회사 | 이어마이크폰 |
US8526645B2 (en) * | 2007-05-04 | 2013-09-03 | Personics Holdings Inc. | Method and device for in ear canal echo suppression |
JP2008283326A (ja) | 2007-05-09 | 2008-11-20 | Nappu Enterprise Kk | イヤホーンマイク |
JP5192901B2 (ja) * | 2007-10-29 | 2013-05-08 | 株式会社オーディオテクニカ | ノイズキャンセルヘッドホン |
US8103029B2 (en) * | 2008-02-20 | 2012-01-24 | Think-A-Move, Ltd. | Earset assembly using acoustic waveguide |
CN201222804Y (zh) * | 2008-07-15 | 2009-04-15 | 龙天运通(北京)科技发展有限公司 | 用于骨传导装置中的耳机 |
JP2010171880A (ja) * | 2009-01-26 | 2010-08-05 | Sanyo Electric Co Ltd | 音声信号処理装置 |
KR101041037B1 (ko) | 2009-02-27 | 2011-06-14 | 고려대학교 산학협력단 | 음성과 음악을 구분하는 방법 및 장치 |
JP2011023848A (ja) * | 2009-07-14 | 2011-02-03 | Hosiden Corp | ヘッドセット |
CN102972043B (zh) * | 2010-04-19 | 2015-11-25 | 海宝拉株式会社 | 耳麦 |
KR101092957B1 (ko) | 2010-11-05 | 2011-12-12 | 신두식 | 마이크로폰 |
KR101109748B1 (ko) | 2010-11-05 | 2012-02-24 | 신두식 | 마이크로폰 |
KR101092958B1 (ko) * | 2011-05-25 | 2011-12-12 | 신두식 | 이어셋 |
US9992745B2 (en) * | 2011-11-01 | 2018-06-05 | Qualcomm Incorporated | Extraction and analysis of buffered audio data using multiple codec rates each greater than a low-power processor rate |
-
2012
- 2012-11-09 US US14/388,007 patent/US9654858B2/en not_active Expired - Fee Related
- 2012-11-09 CN CN201280072038.9A patent/CN104396275B/zh not_active Expired - Fee Related
- 2012-11-09 EP EP12873429.0A patent/EP2833645B1/en not_active Not-in-force
- 2012-11-09 JP JP2015503090A patent/JP2015515206A/ja active Pending
- 2012-11-09 SG SG11201406152SA patent/SG11201406152SA/en unknown
- 2012-11-09 WO PCT/KR2012/009489 patent/WO2013147384A1/ko active Application Filing
-
2015
- 2015-03-24 HK HK15103014.9A patent/HK1202749A1/zh not_active IP Right Cessation
-
2016
- 2016-03-10 US US15/066,760 patent/US20160196834A1/en not_active Abandoned
- 2016-03-10 US US15/066,687 patent/US9743172B2/en not_active Expired - Fee Related
-
2017
- 2017-07-14 JP JP2017138012A patent/JP2017216712A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP2833645A4 (en) | 2015-04-08 |
JP2015515206A (ja) | 2015-05-21 |
WO2013147384A1 (ko) | 2013-10-03 |
EP2833645B1 (en) | 2017-02-15 |
US9654858B2 (en) | 2017-05-16 |
SG11201406152SA (en) | 2014-10-30 |
US9743172B2 (en) | 2017-08-22 |
US20160196834A1 (en) | 2016-07-07 |
CN104396275B (zh) | 2017-09-29 |
JP2017216712A (ja) | 2017-12-07 |
US20160198253A1 (en) | 2016-07-07 |
EP2833645A1 (en) | 2015-02-04 |
US20150043741A1 (en) | 2015-02-12 |
CN104396275A (zh) | 2015-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1202749A1 (zh) | 使用耳內插入型麥克風的有線無線耳機 | |
HK1219376A1 (zh) | 具有無線音頻裝置的耳朵首飾 | |
HK1202748A1 (zh) | 耳機用隔音罩及具備其的有線無線耳機 | |
GB201200093D0 (en) | Wireless acoustic communications device | |
AU356813S (en) | Bluetooth headset | |
AU338121S (en) | Wireless microphone | |
EP2880873A4 (en) | MICROPHONE ARRANGEMENT | |
EP2880870A4 (en) | MICROPHONE SET | |
EP2811757A4 (en) | HEADSET | |
GB201215554D0 (en) | Headphones and headsets | |
EP2863656A4 (en) | SPEAKER DEVICE | |
GB2505979B (en) | Earphone | |
HK1209532A1 (zh) | 可編程增益放大器 | |
EP2941901A4 (en) | WIRELESS SPEAKER ARRANGEMENT | |
AU353463S (en) | Wireless speaker system | |
GB2518008B (en) | Wireless Headset | |
AU353467S (en) | Wireless speaker system | |
AU353465S (en) | Wireless speaker system | |
HK1222279A1 (zh) | 聽覺障礙者輔助揚聲器 | |
GB201318058D0 (en) | Portable audio headphones | |
EP2838276A4 (en) | SPEAKER UNIT | |
GB2504303B (en) | Earphones and earplugs | |
GB201205792D0 (en) | Loudspeaker | |
EP2853101A4 (en) | IMPLANTABLE MICROPHONE | |
GB201222243D0 (en) | Audio braille |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20211112 |