JPS5650697A - Variable directivity microphone - Google Patents

Variable directivity microphone

Info

Publication number
JPS5650697A
JPS5650697A JP11566479A JP11566479A JPS5650697A JP S5650697 A JPS5650697 A JP S5650697A JP 11566479 A JP11566479 A JP 11566479A JP 11566479 A JP11566479 A JP 11566479A JP S5650697 A JPS5650697 A JP S5650697A
Authority
JP
Japan
Prior art keywords
phase
output
microphone
frequency
omegaa
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
JP11566479A
Other languages
English (en)
Other versions
JPS601994B2 (ja
Inventor
Yukinobu Ishigaki
Kaoru Totsuka
Makoto Yamamoto
Naotaka Miyaji
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP11566479A priority Critical patent/JPS601994B2/ja
Priority to US06/185,516 priority patent/US4354059A/en
Priority to DE3033985A priority patent/DE3033985C2/de
Priority to GB8029371A priority patent/GB2062406B/en
Publication of JPS5650697A publication Critical patent/JPS5650697A/ja
Publication of JPS601994B2 publication Critical patent/JPS601994B2/ja
Expired 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP11566479A 1979-09-11 1979-09-11 可変指向性マイクロホン Expired JPS601994B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11566479A JPS601994B2 (ja) 1979-09-11 1979-09-11 可変指向性マイクロホン
US06/185,516 US4354059A (en) 1979-09-11 1980-09-09 Variable-directivity microphone device
DE3033985A DE3033985C2 (de) 1979-09-11 1980-09-10 Mikrofoneinrichtung mit veränderbarer Richtwirkung
GB8029371A GB2062406B (en) 1979-09-11 1980-09-11 Variable-directivity microphone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11566479A JPS601994B2 (ja) 1979-09-11 1979-09-11 可変指向性マイクロホン

Publications (2)

Publication Number Publication Date
JPS5650697A true JPS5650697A (en) 1981-05-07
JPS601994B2 JPS601994B2 (ja) 1985-01-18

Family

ID=14668237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11566479A Expired JPS601994B2 (ja) 1979-09-11 1979-09-11 可変指向性マイクロホン

Country Status (1)

Country Link
JP (1) JPS601994B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5911096A (ja) * 1982-03-15 1984-01-20 Matsushita Electric Ind Co Ltd 単一指向性マイクロホン

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61160298U (ja) * 1985-03-27 1986-10-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5911096A (ja) * 1982-03-15 1984-01-20 Matsushita Electric Ind Co Ltd 単一指向性マイクロホン

Also Published As

Publication number Publication date
JPS601994B2 (ja) 1985-01-18

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