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JPS51131315A - Microphone - Google Patents

Microphone

Info

Publication number
JPS51131315A
JPS51131315A JP5560675A JP5560675A JPS51131315A JP S51131315 A JPS51131315 A JP S51131315A JP 5560675 A JP5560675 A JP 5560675A JP 5560675 A JP5560675 A JP 5560675A JP S51131315 A JPS51131315 A JP S51131315A
Authority
JP
Japan
Prior art keywords
microphone
point
directivity
providing
length
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
JP5560675A
Other languages
Japanese (ja)
Inventor
Tomoyoshi Uchiyama
Kenji Tani
Susumu Sekino
Giichi Hayashi
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.)
KUNITACHI ONKYO KENKYUSHO KK
Kanadevia Corp
Original Assignee
KUNITACHI ONKYO KENKYUSHO KK
Hitachi Zosen Corp
Hitachi Shipbuilding and Engineering 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 KUNITACHI ONKYO KENKYUSHO KK, Hitachi Zosen Corp, Hitachi Shipbuilding and Engineering Co Ltd filed Critical KUNITACHI ONKYO KENKYUSHO KK
Priority to JP5560675A priority Critical patent/JPS51131315A/en
Publication of JPS51131315A publication Critical patent/JPS51131315A/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—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 make it possible to correctly measure a length at a relatively close distance and prevent angular error due to directivity of a sound transmitting point by providing a point receiving function.
JP5560675A 1975-05-10 1975-05-10 Microphone Pending JPS51131315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5560675A JPS51131315A (en) 1975-05-10 1975-05-10 Microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5560675A JPS51131315A (en) 1975-05-10 1975-05-10 Microphone

Publications (1)

Publication Number Publication Date
JPS51131315A true JPS51131315A (en) 1976-11-15

Family

ID=13003417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5560675A Pending JPS51131315A (en) 1975-05-10 1975-05-10 Microphone

Country Status (1)

Country Link
JP (1) JPS51131315A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473242A1 (en) * 1980-01-08 1981-07-10 Thomson Csf ACTIVE DOME ELECTROACOUSTIC TRANSDUCER
WO1982000745A1 (en) * 1980-08-21 1982-03-04 Kishi K Back plate for condenser microphone and structure thereof
JPH0450995U (en) * 1990-08-31 1992-04-28
JP2010505304A (en) * 2006-09-29 2010-02-18 エプコス アクチエンゲゼルシャフト Device having MEMS microphone and method for manufacturing the device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473242A1 (en) * 1980-01-08 1981-07-10 Thomson Csf ACTIVE DOME ELECTROACOUSTIC TRANSDUCER
EP0032082A2 (en) * 1980-01-08 1981-07-15 Thomson-Csf Electro acoustic transducer with active dome
WO1982000745A1 (en) * 1980-08-21 1982-03-04 Kishi K Back plate for condenser microphone and structure thereof
JPH0450995U (en) * 1990-08-31 1992-04-28
JP2010505304A (en) * 2006-09-29 2010-02-18 エプコス アクチエンゲゼルシャフト Device having MEMS microphone and method for manufacturing the device
US8218794B2 (en) 2006-09-29 2012-07-10 Epcos Ag Component comprising a MEMS microphone and method for the production of said component

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