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FR1389670A - Transducteur électro-acoustique du type électrostatique - Google Patents

Transducteur électro-acoustique du type électrostatique

Info

Publication number
FR1389670A
FR1389670A FR961467A FR961467A FR1389670A FR 1389670 A FR1389670 A FR 1389670A FR 961467 A FR961467 A FR 961467A FR 961467 A FR961467 A FR 961467A FR 1389670 A FR1389670 A FR 1389670A
Authority
FR
France
Prior art keywords
electro
acoustic transducer
electrostatic type
electrostatic
type
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
FR961467A
Other languages
English (en)
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.)
Panasonic Holdings Corp
Original Assignee
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of FR1389670A publication Critical patent/FR1389670A/fr
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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • H04R19/02—Loudspeakers

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)
FR961467A 1963-01-25 1964-01-24 Transducteur électro-acoustique du type électrostatique Expired FR1389670A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP268763 1963-01-25
JP7558263 1963-10-05
JP7558363 1963-10-05

Publications (1)

Publication Number Publication Date
FR1389670A true FR1389670A (fr) 1965-02-19

Family

ID=27275478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR961467A Expired FR1389670A (fr) 1963-01-25 1964-01-24 Transducteur électro-acoustique du type électrostatique

Country Status (4)

Country Link
US (1) US3372245A (fr)
DE (1) DE1437412B2 (fr)
FR (1) FR1389670A (fr)
NL (1) NL6400506A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374809A1 (fr) * 1976-12-20 1978-07-13 Akg Akustische Kino Geraete Transducteur a ultrasons
FR2466164A1 (fr) * 1979-09-26 1981-03-27 Labo Electronique Physique Transducteur ultrasonore a sensibilite variable et dispositif d'emission-reception ultrasonore equipe de ce transducteur

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164432A (en) * 1966-01-29 1969-09-17 Melvin Seymour Cook Methods of and Apparatus for Converting Radiant Energy Patterns into Sound
US3814864A (en) * 1972-07-14 1974-06-04 J Victoreen Condenser microphone having a plurality of discrete vibratory surfaces
US4207442A (en) * 1978-05-15 1980-06-10 Freeman Miller L Driver circuit for electrostatic transducers
US4429193A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable effective air gap
US4429191A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variably charged electret foil
US4429192A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable electret foil thickness
US4429189A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with a selectively metalized backplate
US4434327A (en) * 1981-11-20 1984-02-28 Bell Telephone Laboratories, Incorporated Electret transducer with variable actual air gap
AU573655B2 (en) * 1983-12-05 1988-06-16 Kay, L. Transducer array
US8831248B2 (en) * 2010-08-04 2014-09-09 Nokia Corporation Apparatus with directivity pattern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB537931A (en) * 1940-02-21 1941-07-14 Donovan Ernest Lea Shorter Improvements in electrostatic loudspeakers
US2968695A (en) * 1955-09-08 1961-01-17 Edith L R Corliss System for monitoring and controlling the motion of a sound source
US2948778A (en) * 1956-05-07 1960-08-09 Warner W Clements Sound reproducing means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374809A1 (fr) * 1976-12-20 1978-07-13 Akg Akustische Kino Geraete Transducteur a ultrasons
FR2466164A1 (fr) * 1979-09-26 1981-03-27 Labo Electronique Physique Transducteur ultrasonore a sensibilite variable et dispositif d'emission-reception ultrasonore equipe de ce transducteur

Also Published As

Publication number Publication date
DE1437412B2 (de) 1971-12-09
NL6400506A (fr) 1964-07-27
US3372245A (en) 1968-03-05
DE1437412A1 (de) 1968-10-10

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