DE69918344D1 - Digitaler elektroakustischer Wandler - Google Patents

Digitaler elektroakustischer Wandler

Info

Publication number
DE69918344D1
DE69918344D1 DE69918344T DE69918344T DE69918344D1 DE 69918344 D1 DE69918344 D1 DE 69918344D1 DE 69918344 T DE69918344 T DE 69918344T DE 69918344 T DE69918344 T DE 69918344T DE 69918344 D1 DE69918344 D1 DE 69918344D1
Authority
DE
Germany
Prior art keywords
acoustic transducer
digital electro
electro
digital
acoustic
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
Application number
DE69918344T
Other languages
English (en)
Other versions
DE69918344T2 (de
Inventor
Yoshinobu Yasuno
Yasuhiro Riko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riko Yasuhiro Yokohama Kanogawa Jp
Panasonic Corp
Original Assignee
Riko Yasuhiro
Matsushita Electric Industrial 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 Riko Yasuhiro, Matsushita Electric Industrial Co Ltd filed Critical Riko Yasuhiro
Publication of DE69918344D1 publication Critical patent/DE69918344D1/de
Application granted granted Critical
Publication of DE69918344T2 publication Critical patent/DE69918344T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R19/00—Electrostatic transducers
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing 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
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DE69918344T 1998-02-16 1999-02-15 Digitaler elektroakustischer Wandler Expired - Lifetime DE69918344T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3308198 1998-02-16
JP3308198 1998-02-16
JP13505998 1998-05-18
JP13505998A JP3377173B2 (ja) 1998-02-16 1998-05-18 ディジタル式電気音響変換器

Publications (2)

Publication Number Publication Date
DE69918344D1 true DE69918344D1 (de) 2004-08-05
DE69918344T2 DE69918344T2 (de) 2005-06-30

Family

ID=26371719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918344T Expired - Lifetime DE69918344T2 (de) 1998-02-16 1999-02-15 Digitaler elektroakustischer Wandler

Country Status (5)

Country Link
US (1) US6125189A (de)
EP (1) EP0936837B1 (de)
JP (1) JP3377173B2 (de)
CN (1) CN1168350C (de)
DE (1) DE69918344T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6449370B1 (en) * 1998-02-16 2002-09-10 Matsushita Electric Industrial Co., Ltd. Digital electro-acoustic transducer
JP3456924B2 (ja) * 1999-07-01 2003-10-14 アオイ電子株式会社 マイクロホン装置
US7058463B1 (en) 2000-12-29 2006-06-06 Nokia Corporation Method and apparatus for implementing a class D driver and speaker system
US20020131608A1 (en) * 2001-03-01 2002-09-19 William Lobb Method and system for providing digitally focused sound
US6853733B1 (en) * 2003-06-18 2005-02-08 National Semiconductor Corporation Two-wire interface for digital microphones
JP2006105859A (ja) * 2004-10-07 2006-04-20 Tem-Tech Kenkyusho:Kk フッ素樹脂薄膜ダイヤフラム圧力センサおよびその製造方法
JP4670050B2 (ja) * 2004-11-26 2011-04-13 国立大学法人 東京大学 エレクトレット及び静電誘導型変換素子
CN103002383A (zh) * 2005-07-14 2013-03-27 斯科奇工业公司 用于与车辆数据总线上的设备通信的无线媒体源
AU2007252847A1 (en) * 2006-05-22 2007-11-29 Audio Pixels Ltd. Direct digital speaker apparatus having a desired directivity pattern
AU2007252848A1 (en) * 2006-05-22 2007-11-29 Audio Pixels Ltd. Volume and tone control in direct digital speakers
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
KR101619010B1 (ko) * 2007-11-21 2016-05-09 오디오 픽셀즈 리미티드 디지털 스피커 장치
CN101959105B (zh) * 2009-07-12 2014-01-15 苏州敏芯微电子技术有限公司 静电式扬声器
ES2913077T3 (es) 2010-03-11 2022-05-31 Audio Pixels Ltd Actuadores electrostáticos de placas paralelas cuyos elementos móviles son impulsados únicamente por la fuerza electrostática y procedimientos útiles en conjunto con los mismos
JP5871336B2 (ja) 2010-11-26 2016-03-01 オーディオ ピクセルズ エルティーディー．Ａｕｄｉｏ Ｐｉｘｅｌｓ Ｌｔｄ． アクチュエータアレイにおける個別のアドレス指定およびノイズ低減のための装置および方法
JP5701142B2 (ja) * 2011-05-09 2015-04-15 株式会社オーディオテクニカ マイクロホン
EP2856770B1 (de) 2012-05-25 2018-07-04 Audio Pixels Ltd. System, verfahren und computerprogrammprodukt zum regeln einer reihe von aktuatorelementen
DK2856769T3 (en) 2012-05-25 2018-10-22 Audio Pixels Ltd SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT TO CONTROL A GROUP OF ACTUATOR SYSTEMS FOR CREATING A PHYSICAL EFFECT
WO2016166763A2 (en) 2015-04-15 2016-10-20 Audio Pixels Ltd. Methods and systems for detecting at least the position of an object in space
US10665219B2 (en) 2018-01-31 2020-05-26 Zerosound Systems Inc. Apparatus and method for active noise reduction
US20190251944A1 (en) * 2018-01-31 2019-08-15 Raymond Sobol System and Method For Altering Sound Waves
US11151975B2 (en) 2018-01-31 2021-10-19 Zerosound Systems Inc. Apparatus and method for sound wave generation
CN112601155A (zh) * 2020-12-10 2021-04-02 南京汉得利智能科技有限公司 一种数字参量阵扬声器的方法和系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH466376A (de) * 1968-03-01 1968-12-15 Ibm Anordnung zur Umwandlung von Drücken in digitale elektrische Signale
FR2050890A5 (de) * 1969-06-27 1971-04-02 Bernard Patrice
JPS606594B2 (ja) * 1979-04-05 1985-02-19 松下電器産業株式会社 デイジタルマイクロホン
JPS57149000U (de) * 1981-03-12 1982-09-18
FR2521382A2 (fr) * 1982-02-09 1983-08-12 Lectret Sa Transducteur acoustique
JPS58171200A (ja) * 1982-03-31 1983-10-07 Toshiba Corp 静電型電気−音響変換器
JPS59202799A (ja) * 1983-04-30 1984-11-16 Onkyo Corp 静電型電気音響変換器の駆動方式
NL8303185A (nl) * 1983-09-15 1985-04-01 Philips Nv Hybried luidsprekersysteem eventueel met een of meer korrektieketens.
JP2816856B2 (ja) * 1989-04-14 1998-10-27 日通工株式会社 ディジタルマイクロホン
JPH04167798A (ja) * 1990-10-31 1992-06-15 Nitsuko Corp ディジタルマイクロホン
JP2555936B2 (ja) * 1993-06-30 1996-11-20 日本電気株式会社 ディジタルマイクロホン
JPH07227000A (ja) * 1994-02-15 1995-08-22 Audio Technica Corp 静電型電気音響変換器
FR2716760B1 (fr) * 1994-02-28 1996-03-22 Thomson Csf Convertisseur analogique-numérique du type SIGMADELTA de degré élevé.
US5566135A (en) * 1995-07-11 1996-10-15 The United States Of America As Represented By The Secretary Of The Navy Digital transducer
DE69527790D1 (de) * 1995-09-29 2002-09-19 St Microelectronics Srl Digitale mikrophonische Vorrichtung

Also Published As

Publication number Publication date
CN1168350C (zh) 2004-09-22
EP0936837A3 (de) 1999-09-15
EP0936837B1 (de) 2004-06-30
CN1234715A (zh) 1999-11-10
JP3377173B2 (ja) 2003-02-17
DE69918344T2 (de) 2005-06-30
US6125189A (en) 2000-09-26
EP0936837A2 (de) 1999-08-18
JPH11298987A (ja) 1999-10-29

Similar Documents

Publication Publication Date Title
DE69918344D1 (de) Digitaler elektroakustischer Wandler
DK0973012T3 (da) Transducer
GB2333927B (en) Electro-acoustic transducer
DK199900343A (da) Miniature transducer
NL1004877A1 (nl) Elektroakoestische transducent.
DE19781940T1 (de) Mittelohrwandler
NO994500D0 (no) Transducer
ID27518A (id) Peranti akustik
DE69920227D1 (de) Fluoriertes elektret
DE69918502D1 (de) Elektroakustischer Wandler mit Wellenleiter
DK0775432T3 (da) Elektrodynamisk transducer
DE69939976D1 (de) Digitaler Lautsprecher
DE69730789D1 (de) Piezoelektrischer elektroakustischer Wandler
DE60128766D1 (de) Elektroakustischer Wandler
DK0802700T3 (da) Elektroakustisk transducer
KR960013121A (ko) 전기 음향 변환기
DE60117346D1 (de) Elektroakustischer Wandler
FI103747B1 (fi) Värähtelymuunninyksikkö
DE69939096D1 (de) Piezoelektrischer Lautsprecher
FR2765767B1 (fr) Transducteur electroacoustique tres allonge
DE69903524D1 (de) Pestizide hilfsmittel
DE69612170D1 (de) Elektroakustischer Wandler
FR2767014B1 (fr) Transducteur electroacoustique
DE59809001D1 (de) Ultraschallsensor
DE69819209D1 (de) Akustisches horn

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

Owner name: RIKO, YASUHIRO, YOKOHAMA, KANOGAWA, JP