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DE3269415D1 - Electroacoustic transducer - Google Patents

Electroacoustic transducer

Info

Publication number
DE3269415D1
DE3269415D1 DE8282401685T DE3269415T DE3269415D1 DE 3269415 D1 DE3269415 D1 DE 3269415D1 DE 8282401685 T DE8282401685 T DE 8282401685T DE 3269415 T DE3269415 T DE 3269415T DE 3269415 D1 DE3269415 D1 DE 3269415D1
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
electroacoustic
transducer
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
Application number
DE8282401685T
Other languages
German (de)
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
Application granted granted Critical
Publication of DE3269415D1 publication Critical patent/DE3269415D1/en
Expired 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
    • 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)
DE8282401685T 1981-09-17 1982-09-16 Electroacoustic transducer Expired DE3269415D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13797881U JPS5843091U (en) 1981-09-17 1981-09-17 Diaphragm for electroacoustic transducer

Publications (1)

Publication Number Publication Date
DE3269415D1 true DE3269415D1 (en) 1986-04-03

Family

ID=15211184

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282401685T Expired DE3269415D1 (en) 1981-09-17 1982-09-16 Electroacoustic transducer

Country Status (3)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586192A (en) * 1984-01-27 1986-04-29 Robert B. Welch Soundstage boundary expansion system
GB2193413A (en) * 1985-12-10 1988-02-03 Reefgrade Limited Electromechanical transducer
GB2194707A (en) * 1985-12-10 1988-03-09 Reefgrade Limited Electromechanical transducer
JPS62154276A (en) * 1985-12-26 1987-07-09 Konishiroku Photo Ind Co Ltd Recording and reproducing device for magnetic sheet
US5103482A (en) * 1988-07-28 1992-04-07 Fabri Conti Lucas Apparatus and method for reproducing high fidelity sound
EP0529143A3 (en) * 1991-08-30 1993-07-07 Filip Keller Diaphragm for loudspeaker or microphone
FR2851115B1 (en) 2003-02-10 2008-01-25 Patrick Hoffmann ACOUSTIC TRANSDUCER GENERATING SOUND RADIATION BY COMPRESSION AND EXPANSION OF AIR MASS SITUATED BETWEEN A MOBILE MEMBRANE AND A FIXED SURFACE OR BETWEEN TWO MOBILE MEMBRANES
JP6048470B2 (en) 2013-10-22 2016-12-21 ヤマハ株式会社 Electroacoustic transducer
JP6048469B2 (en) * 2013-10-22 2016-12-21 ヤマハ株式会社 Electroacoustic transducer
WO2016110991A1 (en) * 2015-01-09 2016-07-14 ヤマハ株式会社 Electroacoustic transducer
WO2016110992A1 (en) * 2015-01-09 2016-07-14 ヤマハ株式会社 Electroacoustic transducer

Family Cites Families (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
FR613906A (en) * 1925-08-01 1926-12-02 Acoustic diaphragm system
FR621452A (en) * 1925-08-11 1927-05-12 Siemens Ag Acoustic instrument
US1866090A (en) * 1926-05-22 1932-07-05 Forest Lee De Sound reproducing device
DE464015C (en) * 1926-08-29 1928-08-14 Siemens & Halske Akt Ges Membrane for sound apparatus
DE1251381B (en) * 1964-06-16
JPS51135638A (en) * 1975-05-20 1976-11-24 Trio Kenwood Corp Electric acoustic changer
JPS5474417A (en) * 1977-11-26 1979-06-14 Sony Corp Multi-point driving type speaker
FR2441980A1 (en) * 1978-11-16 1980-06-13 Audax ELECTRO-ACOUSTIC TRANSDUCER
JPS5754499A (en) * 1980-09-19 1982-03-31 Sawafuji Dainameka Kk Electromagnetic converter

Also Published As

Publication number Publication date
EP0077228A2 (en) 1983-04-20
EP0077228B1 (en) 1986-02-26
EP0077228A3 (en) 1983-06-01
JPS5843091U (en) 1983-03-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee