JPS5337737B2 - - Google Patents

Info

Publication number
JPS5337737B2
JPS5337737B2 JP11695577A JP11695577A JPS5337737B2 JP S5337737 B2 JPS5337737 B2 JP S5337737B2 JP 11695577 A JP11695577 A JP 11695577A JP 11695577 A JP11695577 A JP 11695577A JP S5337737 B2 JPS5337737 B2 JP S5337737B2
Authority
JP
Japan
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
JP11695577A
Other versions
JPS5343514A (en
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 filed Critical
Publication of JPS5343514A publication Critical patent/JPS5343514A/ja
Publication of JPS5337737B2 publication Critical patent/JPS5337737B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/01Electrostatic transducers characterised by the use of electrets

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP11695577A 1976-10-01 1977-09-30 Electroacoustic transducer Granted JPS5343514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/728,604 US4046974A (en) 1976-10-01 1976-10-01 Electroacoustic transducer with springs forming electrical interconnections as a result of assembly

Publications (2)

Publication Number Publication Date
JPS5343514A JPS5343514A (en) 1978-04-19
JPS5337737B2 true JPS5337737B2 (ja) 1978-10-11

Family

ID=24927526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11695577A Granted JPS5343514A (en) 1976-10-01 1977-09-30 Electroacoustic transducer

Country Status (4)

Country Link
US (1) US4046974A (ja)
JP (1) JPS5343514A (ja)
CA (1) CA1082350A (ja)
GB (1) GB1567408A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754399Y2 (ja) * 1978-02-20 1982-11-25
NL7802688A (nl) * 1978-03-13 1979-09-17 Philips Nv Inrichting voor het omzetten van akoestische in elektrische trillingen en omgekeerd, voor- zien van tenminste een kondensator elektreet- element aangesloten op een elektronische schakeling.
US4443666A (en) * 1980-11-24 1984-04-17 Gentex Corporation Electret microphone assembly
US4436648A (en) * 1980-12-22 1984-03-13 Bell Telephone Laboratories, Incorporated Electrically conducting thermoplastic material, its manufacture, and resulting article
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
GB2234135A (en) * 1989-07-21 1991-01-23 Micro Metallic Ltd Improved electrode and method of production thereof
FI103747B1 (fi) * 1998-01-29 1999-08-31 Emf Acoustics Oy Ltd Värähtelymuunninyksikkö
JP2007043327A (ja) * 2005-08-01 2007-02-15 Star Micronics Co Ltd コンデンサマイクロホン
US10856084B2 (en) 2016-03-04 2020-12-01 Frank Joseph Pompei Ultrasonic transducer with tensioned film
JP7130980B2 (ja) 2018-02-22 2022-09-06 横河電機株式会社 ハウジング

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430146A (en) * 1966-11-02 1969-02-25 Admiral Corp Remote control microphone biasing circuit
US3663768A (en) * 1971-01-15 1972-05-16 Northern Electric Co Electret transducer
US3816671A (en) * 1972-04-06 1974-06-11 Thermo Electron Corp Electret transducer cartridge and case

Also Published As

Publication number Publication date
CA1082350A (en) 1980-07-22
JPS5343514A (en) 1978-04-19
US4046974A (en) 1977-09-06
GB1567408A (en) 1980-05-14

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