JPH0320200B2 - - Google Patents

Info

Publication number
JPH0320200B2
JPH0320200B2 JP59237494A JP23749484A JPH0320200B2 JP H0320200 B2 JPH0320200 B2 JP H0320200B2 JP 59237494 A JP59237494 A JP 59237494A JP 23749484 A JP23749484 A JP 23749484A JP H0320200 B2 JPH0320200 B2 JP H0320200B2
Authority
JP
Japan
Prior art keywords
microphone
chamber
slit
wall
directional
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 - Lifetime
Application number
JP59237494A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61117998A (ja
Inventor
Hiroyuki Matsui
Yutaka Ichinose
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 JP23749484A priority Critical patent/JPS61117998A/ja
Publication of JPS61117998A publication Critical patent/JPS61117998A/ja
Publication of JPH0320200B2 publication Critical patent/JPH0320200B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP23749484A 1984-11-13 1984-11-13 マイクロホン室 Granted JPS61117998A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23749484A JPS61117998A (ja) 1984-11-13 1984-11-13 マイクロホン室

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23749484A JPS61117998A (ja) 1984-11-13 1984-11-13 マイクロホン室

Publications (2)

Publication Number Publication Date
JPS61117998A JPS61117998A (ja) 1986-06-05
JPH0320200B2 true JPH0320200B2 (enrdf_load_stackoverflow) 1991-03-18

Family

ID=17016149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23749484A Granted JPS61117998A (ja) 1984-11-13 1984-11-13 マイクロホン室

Country Status (1)

Country Link
JP (1) JPS61117998A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101133677B (zh) 2005-02-28 2012-04-04 富士通株式会社 声音接收装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298401U (enrdf_load_stackoverflow) * 1976-01-22 1977-07-25
JPS5750861U (enrdf_load_stackoverflow) * 1980-09-09 1982-03-24

Also Published As

Publication number Publication date
JPS61117998A (ja) 1986-06-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term