ZA200607638B - Oscillation/echo canceller system - Google Patents

Oscillation/echo canceller system Download PDF

Info

Publication number
ZA200607638B
ZA200607638B ZA200607638A ZA200607638A ZA200607638B ZA 200607638 B ZA200607638 B ZA 200607638B ZA 200607638 A ZA200607638 A ZA 200607638A ZA 200607638 A ZA200607638 A ZA 200607638A ZA 200607638 B ZA200607638 B ZA 200607638B
Authority
ZA
South Africa
Prior art keywords
speaker
sound
microphone
opening
sound emitting
Prior art date
Application number
ZA200607638A
Other languages
English (en)
Inventor
Seto Shinji
Original Assignee
Nap Entpr Co Ltd
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 Nap Entpr Co Ltd filed Critical Nap Entpr Co Ltd
Publication of ZA200607638B publication Critical patent/ZA200607638B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
ZA200607638A 2004-03-25 2005-03-24 Oscillation/echo canceller system ZA200607638B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004088170A JP2005277792A (ja) 2004-03-25 2004-03-25 発振・エコーキャンセラーシステム

Publications (1)

Publication Number Publication Date
ZA200607638B true ZA200607638B (en) 2008-07-30

Family

ID=35056576

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200607638A ZA200607638B (en) 2004-03-25 2005-03-24 Oscillation/echo canceller system

Country Status (13)

Country Link
US (1) US20080226090A1 (de)
EP (1) EP1729540A4 (de)
JP (1) JP2005277792A (de)
KR (1) KR20060129062A (de)
CN (1) CN1934896A (de)
AU (1) AU2005226273A1 (de)
BR (1) BRPI0509051A (de)
CA (1) CA2561021A1 (de)
MX (1) MXPA06010828A (de)
RU (1) RU2006133904A (de)
TW (1) TW200533218A (de)
WO (1) WO2005094118A1 (de)
ZA (1) ZA200607638B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8571227B2 (en) * 2005-11-11 2013-10-29 Phitek Systems Limited Noise cancellation earphone
JP4709017B2 (ja) 2006-01-12 2011-06-22 ソニー株式会社 イヤホン装置
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
US8155335B2 (en) * 2007-03-14 2012-04-10 Phillip Rutschman Headset having wirelessly linked earpieces
JP2008283326A (ja) * 2007-05-09 2008-11-20 Nappu Enterprise Kk イヤホーンマイク
DE102010006927B4 (de) 2010-02-04 2021-05-27 Sennheiser Electronic Gmbh & Co. Kg Headset und Hörer
CN102428714B (zh) 2010-03-18 2015-08-19 松下电器产业株式会社 扬声器、助听器、耳机以及便携型终端装置
CN105611440B (zh) * 2010-04-19 2019-01-11 海宝拉株式会社 耳麦
CN103460714B (zh) 2011-01-28 2016-08-31 海宝拉株式会社 耳内传声器及耳内传声器用电压控制装置
US9654858B2 (en) * 2012-03-29 2017-05-16 Haebora Wired and wireless earset using ear-insertion-type microphone
KR101341308B1 (ko) * 2012-03-29 2013-12-12 신두식 이어셋용 방음하우징 및 그를 구비하는 유.무선 이어셋
JP2014187679A (ja) * 2013-02-20 2014-10-02 Funai Electric Co Ltd イヤホンマイク
KR101469908B1 (ko) 2013-08-21 2014-12-08 크레신 주식회사 이어폰
KR101469907B1 (ko) * 2013-08-23 2014-12-08 크레신 주식회사 무선 이어폰
US9473842B2 (en) * 2014-09-05 2016-10-18 Haebora Co., Ltd. Earset
JP6297950B2 (ja) * 2014-09-10 2018-03-20 リオン株式会社 こもり音低減装置及びそれを備えた補聴器、オーディオ用イヤホン、耳せん、並びに電気音響変換器
JP2016116153A (ja) * 2014-12-17 2016-06-23 スター精密株式会社 外耳道装着型イヤホンマイク
JP2016116152A (ja) * 2014-12-17 2016-06-23 スター精密株式会社 外耳道装着型マイクロホン
JP6478317B2 (ja) * 2014-12-24 2019-03-06 学校法人 東洋大学 外耳道装着型イヤホンマイク
KR101693268B1 (ko) * 2015-04-10 2017-01-05 해보라 주식회사 이어셋
KR102602372B1 (ko) * 2019-01-23 2023-11-16 삼성전자주식회사 인이어 마이크를 포함하는 헤드셋
JP7473673B2 (ja) 2020-04-30 2024-04-23 深▲セン▼市韶音科技有限公司 音響入出力装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8101286A (nl) * 1981-03-17 1982-10-18 Philips Nv Verbeterde ophanging voor een telefoon in een hoorapparaat.
US4588867A (en) * 1982-04-27 1986-05-13 Masao Konomi Ear microphone
JP2624256B2 (ja) * 1987-06-15 1997-06-25 松下電器産業株式会社 ヘツドホン
US5068901A (en) * 1990-05-01 1991-11-26 Knowles Electronics, Inc. Dual outlet passage hearing aid transducer
JPH05199577A (ja) * 1991-03-19 1993-08-06 Temuko Japan:Kk イヤ−マイクロフォン
JP3090539B2 (ja) * 1992-06-15 2000-09-25 勝夫 許斐 マイクロホン吊り型イヤーセット送受話器
JPH07322382A (ja) * 1994-05-23 1995-12-08 Datsudo Japan:Kk マイク付きイヤフォン
US5692059A (en) * 1995-02-24 1997-11-25 Kruger; Frederick M. Two active element in-the-ear microphone system
JP3058580B2 (ja) * 1995-08-31 2000-07-04 日本ゼックス株式会社 骨伝導音声ピックアップ装置及び通話装置
JPH0970086A (ja) * 1995-08-31 1997-03-11 Nippon Zetsukusu Kk 骨伝導音声ピックアップ装置及び通話装置
JPH09172479A (ja) * 1995-12-20 1997-06-30 Yokoi Kikaku:Kk 送受話器およびそれを用いた通話装置
AT403867B (de) * 1996-10-11 1998-06-25 Resound Viennatone Hoertechnol Hörgerät
US5878147A (en) * 1996-12-31 1999-03-02 Etymotic Research, Inc. Directional microphone assembly
JPH1188973A (ja) * 1997-09-03 1999-03-30 Kubota Corp 骨伝導音声利用の通話装置
JP2000050375A (ja) * 1998-07-30 2000-02-18 Kazuo Osawa イヤ−マイクロホン
JP2002300074A (ja) * 2001-03-30 2002-10-11 Fukuoka Institute Of Technology 発振防止回路

Also Published As

Publication number Publication date
EP1729540A1 (de) 2006-12-06
TW200533218A (en) 2005-10-01
US20080226090A1 (en) 2008-09-18
RU2006133904A (ru) 2008-03-27
MXPA06010828A (es) 2006-12-19
EP1729540A4 (de) 2007-08-15
AU2005226273A1 (en) 2005-10-06
BRPI0509051A (pt) 2007-08-21
WO2005094118A1 (ja) 2005-10-06
CA2561021A1 (en) 2005-10-06
JP2005277792A (ja) 2005-10-06
KR20060129062A (ko) 2006-12-14
CN1934896A (zh) 2007-03-21

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