EP0077228A2 - Elektroakustischer Wandler - Google Patents

Elektroakustischer Wandler Download PDF

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Publication number
EP0077228A2
EP0077228A2 EP82401685A EP82401685A EP0077228A2 EP 0077228 A2 EP0077228 A2 EP 0077228A2 EP 82401685 A EP82401685 A EP 82401685A EP 82401685 A EP82401685 A EP 82401685A EP 0077228 A2 EP0077228 A2 EP 0077228A2
Authority
EP
European Patent Office
Prior art keywords
casing
diaphragm
electroacoustic transducer
coil
inner surfaces
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
Application number
EP82401685A
Other languages
English (en)
French (fr)
Other versions
EP0077228B1 (de
EP0077228A3 (en
Inventor
Tadashi Sawafuji
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0077228A2 publication Critical patent/EP0077228A2/de
Publication of EP0077228A3 publication Critical patent/EP0077228A3/en
Application granted granted Critical
Publication of EP0077228B1 publication Critical patent/EP0077228B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP82401685A 1981-09-17 1982-09-16 Elektroakustischer Wandler Expired EP0077228B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP137978/81U 1981-09-17
JP13797881U JPS5843091U (ja) 1981-09-17 1981-09-17 電気音響変換器用振動板

Publications (3)

Publication Number Publication Date
EP0077228A2 true EP0077228A2 (de) 1983-04-20
EP0077228A3 EP0077228A3 (en) 1983-06-01
EP0077228B1 EP0077228B1 (de) 1986-02-26

Family

ID=15211184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401685A Expired EP0077228B1 (de) 1981-09-17 1982-09-16 Elektroakustischer Wandler

Country Status (3)

Country Link
EP (1) EP0077228B1 (de)
JP (1) JPS5843091U (de)
DE (1) DE3269415D1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150976A2 (de) * 1984-01-27 1985-08-07 Lawrence E. Arntson Schallfeldverbreiterungssystem
GB2193413A (en) * 1985-12-10 1988-02-03 Reefgrade Limited Electromechanical transducer
GB2194707A (en) * 1985-12-10 1988-03-09 Reefgrade Limited Electromechanical transducer
US5103482A (en) * 1988-07-28 1992-04-07 Fabri Conti Lucas Apparatus and method for reproducing high fidelity sound
EP0529143A2 (de) * 1991-08-30 1993-03-03 Filip Keller Membran für Lautsprecher oder Mikrofon
FR2851115A1 (fr) * 2003-02-10 2004-08-13 Patrick Hoffmann Transducteur acoustique generant un rayonnement sonore par compression et expansion d'une masse d'air situee entre une membrane mobile et une surface fixe ou entre deux membranes mobiles
CN104581558A (zh) * 2013-10-22 2015-04-29 雅马哈株式会社 电声换能器
EP2866467A1 (de) * 2013-10-22 2015-04-29 Yamaha Corporation Elektroakustikwandler

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154276A (ja) * 1985-12-26 1987-07-09 Konishiroku Photo Ind Co Ltd 磁気シ−トの記録再生装置
WO2016110991A1 (ja) * 2015-01-09 2016-07-14 ヤマハ株式会社 電気音響変換器
WO2016110992A1 (ja) * 2015-01-09 2016-07-14 ヤマハ株式会社 電気音響変換器

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251381B (de) * 1964-06-16
GB246099A (en) * 1925-01-15 1926-05-13 Lee De Forest Improvements in sound reproducing devices
GB256252A (en) * 1925-08-01 1927-01-27 Louis Lumiere Improvements in acoustic diaphragms
FR621452A (fr) * 1925-08-11 1927-05-12 Siemens Ag Instrument acoustique
US1638245A (en) * 1925-07-17 1927-08-09 Davis Charles Crawford Loud speaker
DE464015C (de) * 1926-08-29 1928-08-14 Siemens & Halske Akt Ges Membran fuer Schallapparate
US1866090A (en) * 1926-05-22 1932-07-05 Forest Lee De Sound reproducing device
JPS51135638A (en) * 1975-05-20 1976-11-24 Trio Kenwood Corp Electric acoustic changer
FR2410409A1 (fr) * 1977-11-26 1979-06-22 Sony Corp Haut-parleur dynamique
WO1980001128A1 (fr) * 1978-11-16 1980-05-29 Audax Transducteur electro-acoustique
JPS5754499A (ja) * 1980-09-19 1982-03-31 Sawafuji Dainameka Kk Denjihenkansochi

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB246099A (en) * 1925-01-15 1926-05-13 Lee De Forest Improvements in sound reproducing devices
US1638245A (en) * 1925-07-17 1927-08-09 Davis Charles Crawford Loud speaker
GB256252A (en) * 1925-08-01 1927-01-27 Louis Lumiere Improvements in acoustic diaphragms
FR621452A (fr) * 1925-08-11 1927-05-12 Siemens Ag Instrument acoustique
US1866090A (en) * 1926-05-22 1932-07-05 Forest Lee De Sound reproducing device
DE464015C (de) * 1926-08-29 1928-08-14 Siemens & Halske Akt Ges Membran fuer Schallapparate
DE1251381B (de) * 1964-06-16
JPS51135638A (en) * 1975-05-20 1976-11-24 Trio Kenwood Corp Electric acoustic changer
FR2410409A1 (fr) * 1977-11-26 1979-06-22 Sony Corp Haut-parleur dynamique
WO1980001128A1 (fr) * 1978-11-16 1980-05-29 Audax Transducteur electro-acoustique
JPS5754499A (ja) * 1980-09-19 1982-03-31 Sawafuji Dainameka Kk Denjihenkansochi

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FUNKSCHAU, vol. 52, no. 3, February 1980, pages 78-80, Münich (DE); *
PATENTS ABSTRACTS OF JAPAN, vol. 1, no. 38, 19th April 1977, page 2274 E76; & JP - A - 51 135 638 (TORIO K.K.) (24-11-1976) *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150976A2 (de) * 1984-01-27 1985-08-07 Lawrence E. Arntson Schallfeldverbreiterungssystem
EP0150976A3 (de) * 1984-01-27 1987-08-26 Lawrence E. Arntson Schallfeldverbreiterungssystem
GB2193413A (en) * 1985-12-10 1988-02-03 Reefgrade Limited Electromechanical transducer
GB2194707A (en) * 1985-12-10 1988-03-09 Reefgrade Limited Electromechanical transducer
US5103482A (en) * 1988-07-28 1992-04-07 Fabri Conti Lucas Apparatus and method for reproducing high fidelity sound
EP0529143A2 (de) * 1991-08-30 1993-03-03 Filip Keller Membran für Lautsprecher oder Mikrofon
EP0529143A3 (en) * 1991-08-30 1993-07-07 Filip Keller Diaphragm for loudspeaker or microphone
FR2851115A1 (fr) * 2003-02-10 2004-08-13 Patrick Hoffmann Transducteur acoustique generant un rayonnement sonore par compression et expansion d'une masse d'air situee entre une membrane mobile et une surface fixe ou entre deux membranes mobiles
WO2004071128A2 (fr) * 2003-02-10 2004-08-19 Rötelzeichnung Holding A.G. Transducteur acoustique electrodynamique
WO2004071128A3 (fr) * 2003-02-10 2004-09-30 Roetelzeichnung Holding A G Transducteur acoustique electrodynamique
US7426281B2 (en) 2003-02-10 2008-09-16 Rötelzeichnung Holding A.G. Electrodynamic acoustic transducer
CN104581558A (zh) * 2013-10-22 2015-04-29 雅马哈株式会社 电声换能器
EP2866467A1 (de) * 2013-10-22 2015-04-29 Yamaha Corporation Elektroakustikwandler
EP2869595A1 (de) * 2013-10-22 2015-05-06 Yamaha Corporation Elektroakustikwandler
US9106988B2 (en) 2013-10-22 2015-08-11 Yamaha Corporation Electroacoustic transducer
EP3038379A1 (de) * 2013-10-22 2016-06-29 Yamaha Corporation Elektroakustikwandler
US9398376B2 (en) 2013-10-22 2016-07-19 Yamaha Corporation Electroacoustic transducer
US9560453B2 (en) 2013-10-22 2017-01-31 Yamaha Corporation Electroacoustic transducer

Also Published As

Publication number Publication date
JPS5843091U (ja) 1983-03-23
EP0077228B1 (de) 1986-02-26
EP0077228A3 (en) 1983-06-01
DE3269415D1 (en) 1986-04-03

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