JPS522425A - Electrorette capacitor microphone - Google Patents

Electrorette capacitor microphone

Info

Publication number
JPS522425A
JPS522425A JP7775875A JP7775875A JPS522425A JP S522425 A JPS522425 A JP S522425A JP 7775875 A JP7775875 A JP 7775875A JP 7775875 A JP7775875 A JP 7775875A JP S522425 A JPS522425 A JP S522425A
Authority
JP
Japan
Prior art keywords
electrorette
capacitor microphone
microphone
capacitor
pet
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.)
Pending
Application number
JP7775875A
Other languages
Japanese (ja)
Inventor
Hidetoshi Komatsu
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP7775875A priority Critical patent/JPS522425A/en
Publication of JPS522425A publication Critical patent/JPS522425A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

PURPOSE:To reduce the depth of a microphone by using an aluminum wiring pattern for PET or IC used for an impedance converter circuit as back electrode.
JP7775875A 1975-06-23 1975-06-23 Electrorette capacitor microphone Pending JPS522425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7775875A JPS522425A (en) 1975-06-23 1975-06-23 Electrorette capacitor microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7775875A JPS522425A (en) 1975-06-23 1975-06-23 Electrorette capacitor microphone

Publications (1)

Publication Number Publication Date
JPS522425A true JPS522425A (en) 1977-01-10

Family

ID=13642815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7775875A Pending JPS522425A (en) 1975-06-23 1975-06-23 Electrorette capacitor microphone

Country Status (1)

Country Link
JP (1) JPS522425A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5363470A (en) * 1976-11-16 1978-06-06 Aisin Seiki Production of filler for matless
JPS54100983U (en) * 1977-12-26 1979-07-16
US4321432A (en) * 1978-12-23 1982-03-23 Tokyo Shibaura Denki Kabushiki Kaisha Electrostatic microphone
JPS63154929A (en) * 1986-12-19 1988-06-28 Sony Corp Pressure sensor for measuring low frequency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5363470A (en) * 1976-11-16 1978-06-06 Aisin Seiki Production of filler for matless
JPS54100983U (en) * 1977-12-26 1979-07-16
US4321432A (en) * 1978-12-23 1982-03-23 Tokyo Shibaura Denki Kabushiki Kaisha Electrostatic microphone
JPS63154929A (en) * 1986-12-19 1988-06-28 Sony Corp Pressure sensor for measuring low frequency

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