JPS5742296A - Microphone - Google Patents

Microphone

Info

Publication number
JPS5742296A
JPS5742296A JP55117538A JP11753880A JPS5742296A JP S5742296 A JPS5742296 A JP S5742296A JP 55117538 A JP55117538 A JP 55117538A JP 11753880 A JP11753880 A JP 11753880A JP S5742296 A JPS5742296 A JP S5742296A
Authority
JP
Japan
Prior art keywords
units
output
microphone
subtractor
adder
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.)
Granted
Application number
JP55117538A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6352520B2 (enExample
Inventor
Hiroyuki Naono
Michio Matsumoto
Katsunori Fujimura
Isanaga Yasuno
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 JP55117538A priority Critical patent/JPS5742296A/ja
Publication of JPS5742296A publication Critical patent/JPS5742296A/ja
Publication of JPS6352520B2 publication Critical patent/JPS6352520B2/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic Arrangements (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP55117538A 1980-08-26 1980-08-26 Microphone Granted JPS5742296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55117538A JPS5742296A (en) 1980-08-26 1980-08-26 Microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55117538A JPS5742296A (en) 1980-08-26 1980-08-26 Microphone

Publications (2)

Publication Number Publication Date
JPS5742296A true JPS5742296A (en) 1982-03-09
JPS6352520B2 JPS6352520B2 (enExample) 1988-10-19

Family

ID=14714268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55117538A Granted JPS5742296A (en) 1980-08-26 1980-08-26 Microphone

Country Status (1)

Country Link
JP (1) JPS5742296A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60145785U (ja) * 1984-03-09 1985-09-27 日本ビクター株式会社 ステレオマイクロホン
US4622440A (en) * 1984-04-11 1986-11-11 In Tech Systems Corp. Differential hearing aid with programmable frequency response
JPS62119092U (enExample) * 1986-01-21 1987-07-28
JPH01238399A (ja) * 1988-03-18 1989-09-22 Nippon Telegr & Teleph Corp <Ntt> ステレオ収音方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60145785U (ja) * 1984-03-09 1985-09-27 日本ビクター株式会社 ステレオマイクロホン
US4622440A (en) * 1984-04-11 1986-11-11 In Tech Systems Corp. Differential hearing aid with programmable frequency response
JPS62119092U (enExample) * 1986-01-21 1987-07-28
JPH01238399A (ja) * 1988-03-18 1989-09-22 Nippon Telegr & Teleph Corp <Ntt> ステレオ収音方式

Also Published As

Publication number Publication date
JPS6352520B2 (enExample) 1988-10-19

Similar Documents

Publication Publication Date Title
HK105590A (en) Earphone
GB2088951B (en) Acoustic attenuators with active sound cancelling
ES504345A0 (es) Un transductor de electreto de aplicacion particular en un auricular
GB2028054B (en) Acoustic transducer
FR2487619B1 (fr) Transducteur electroacoustique bivoie, en particulier pour casques et microphones
AU524112B2 (en) Electro-acoustic transducer
DE2963451D1 (en) Directional microphone according to the interference principle
JPS5687998A (en) Microphone sound inlet
JPS5698651A (en) Sound converter
AU5261379A (en) Transducer horn arrangement
DE3381255D1 (de) Schallwandler mit am ende erschwerter zunge.
JPS5742296A (en) Microphone
GB2015299A (en) Electret microphone
NZ191771A (en) Acoustic signal generator for hearing aid adjustment work
GB2016862B (en) Electret transducers
AU2183577A (en) Sound damping conduit
JPS54126526A (en) Rumbleefree composite microphone
JPS5744396A (en) Stereophonic zoom microphone
JPS5392119A (en) Method of mounting directional microphone
JPS5364018A (en) Speaker system
JPS5392123A (en) Method of mounting speaker
JPS5465001A (en) Acoustic reproducer
AU523441B2 (en) Microphone transducer
JPS5364501A (en) Acoustic device
JPS5312301A (en) Headphone device