JPS6352840B2 - - Google Patents

Info

Publication number
JPS6352840B2
JPS6352840B2 JP15529681A JP15529681A JPS6352840B2 JP S6352840 B2 JPS6352840 B2 JP S6352840B2 JP 15529681 A JP15529681 A JP 15529681A JP 15529681 A JP15529681 A JP 15529681A JP S6352840 B2 JPS6352840 B2 JP S6352840B2
Authority
JP
Japan
Prior art keywords
wall
microphone
opening
sound introduction
introduction hole
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
JP15529681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5857893A (ja
Inventor
Tetsushi Yamashita
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.)
Toshiba Electric Equipment Corp
Original Assignee
Toshiba Electric Equipment 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 Toshiba Electric Equipment Corp filed Critical Toshiba Electric Equipment Corp
Priority to JP15529681A priority Critical patent/JPS5857893A/ja
Publication of JPS5857893A publication Critical patent/JPS5857893A/ja
Publication of JPS6352840B2 publication Critical patent/JPS6352840B2/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP15529681A 1981-09-30 1981-09-30 マイクロホン装置 Granted JPS5857893A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15529681A JPS5857893A (ja) 1981-09-30 1981-09-30 マイクロホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15529681A JPS5857893A (ja) 1981-09-30 1981-09-30 マイクロホン装置

Publications (2)

Publication Number Publication Date
JPS5857893A JPS5857893A (ja) 1983-04-06
JPS6352840B2 true JPS6352840B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-20

Family

ID=15602788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15529681A Granted JPS5857893A (ja) 1981-09-30 1981-09-30 マイクロホン装置

Country Status (1)

Country Link
JP (1) JPS5857893A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484242U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-11-29 1992-07-22

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013106292A1 (en) * 2012-01-09 2013-07-18 SUH, Eun, Joo Microphone module with and method for feedback suppression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484242U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-11-29 1992-07-22

Also Published As

Publication number Publication date
JPS5857893A (ja) 1983-04-06

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