JPS644720B2 - - Google Patents

Info

Publication number
JPS644720B2
JPS644720B2 JP20276981A JP20276981A JPS644720B2 JP S644720 B2 JPS644720 B2 JP S644720B2 JP 20276981 A JP20276981 A JP 20276981A JP 20276981 A JP20276981 A JP 20276981A JP S644720 B2 JPS644720 B2 JP S644720B2
Authority
JP
Japan
Prior art keywords
microphone
capacitance
diaphragm
bias
fixed electrode
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
JP20276981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58103291A (ja
Inventor
Michio Matsumoto
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
Priority to JP56202769A priority Critical patent/JPS58103291A/ja
Publication of JPS58103291A publication Critical patent/JPS58103291A/ja
Publication of JPS644720B2 publication Critical patent/JPS644720B2/ja
Granted 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
    • H04R19/04—Microphones

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)
JP56202769A 1981-12-15 1981-12-15 コンデンサ型マイクロホン Granted JPS58103291A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56202769A JPS58103291A (ja) 1981-12-15 1981-12-15 コンデンサ型マイクロホン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56202769A JPS58103291A (ja) 1981-12-15 1981-12-15 コンデンサ型マイクロホン

Publications (2)

Publication Number Publication Date
JPS58103291A JPS58103291A (ja) 1983-06-20
JPS644720B2 true JPS644720B2 (https=) 1989-01-26

Family

ID=16462860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56202769A Granted JPS58103291A (ja) 1981-12-15 1981-12-15 コンデンサ型マイクロホン

Country Status (1)

Country Link
JP (1) JPS58103291A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7864970B2 (en) 2005-01-06 2011-01-04 Renesas Electronics Corporation Voltage supply circuit and microphone unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121025398B (zh) * 2025-10-27 2026-01-27 成都铭鉴知源油田工程科技有限公司 一种新型电容式次声波传感器及次声波检测方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7864970B2 (en) 2005-01-06 2011-01-04 Renesas Electronics Corporation Voltage supply circuit and microphone unit

Also Published As

Publication number Publication date
JPS58103291A (ja) 1983-06-20

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