JPS6412159B2 - - Google Patents

Info

Publication number
JPS6412159B2
JPS6412159B2 JP19752183A JP19752183A JPS6412159B2 JP S6412159 B2 JPS6412159 B2 JP S6412159B2 JP 19752183 A JP19752183 A JP 19752183A JP 19752183 A JP19752183 A JP 19752183A JP S6412159 B2 JPS6412159 B2 JP S6412159B2
Authority
JP
Japan
Prior art keywords
microphone
sound
directional
sound collection
collection device
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
JP19752183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6090499A (ja
Inventor
Yutaka Ichinose
Mizuhiro Hida
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP19752183A priority Critical patent/JPS6090499A/ja
Publication of JPS6090499A publication Critical patent/JPS6090499A/ja
Publication of JPS6412159B2 publication Critical patent/JPS6412159B2/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/405—Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP19752183A 1983-10-24 1983-10-24 集音装置 Granted JPS6090499A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19752183A JPS6090499A (ja) 1983-10-24 1983-10-24 集音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19752183A JPS6090499A (ja) 1983-10-24 1983-10-24 集音装置

Publications (2)

Publication Number Publication Date
JPS6090499A JPS6090499A (ja) 1985-05-21
JPS6412159B2 true JPS6412159B2 (enrdf_load_stackoverflow) 1989-02-28

Family

ID=16375845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19752183A Granted JPS6090499A (ja) 1983-10-24 1983-10-24 集音装置

Country Status (1)

Country Link
JP (1) JPS6090499A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696043A (en) * 1984-08-24 1987-09-22 Victor Company Of Japan, Ltd. Microphone apparatus having a variable directivity pattern
CA1236607A (en) * 1985-09-23 1988-05-10 Northern Telecom Limited Microphone arrangement
TW522226B (en) 2001-02-20 2003-03-01 Tlv Co Ltd Portable leak detector
KR100499124B1 (ko) 2002-03-27 2005-07-04 삼성전자주식회사 직교 원형 마이크 어레이 시스템 및 이를 이용한 음원의3차원 방향을 검출하는 방법

Also Published As

Publication number Publication date
JPS6090499A (ja) 1985-05-21

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