JP2001268696A - 光マイクロフォン - Google Patents

光マイクロフォン

Info

Publication number
JP2001268696A
JP2001268696A JP2000075532A JP2000075532A JP2001268696A JP 2001268696 A JP2001268696 A JP 2001268696A JP 2000075532 A JP2000075532 A JP 2000075532A JP 2000075532 A JP2000075532 A JP 2000075532A JP 2001268696 A JP2001268696 A JP 2001268696A
Authority
JP
Japan
Prior art keywords
photodetector
diaphragm
microphone
optical microphone
optical
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.)
Pending
Application number
JP2000075532A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001268696A5 (enExample
Inventor
Nobuo Saito
信雄 斎藤
Akira Morita
章 盛田
Masahide Abe
正英 阿部
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting 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 Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP2000075532A priority Critical patent/JP2001268696A/ja
Publication of JP2001268696A publication Critical patent/JP2001268696A/ja
Publication of JP2001268696A5 publication Critical patent/JP2001268696A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
JP2000075532A 2000-03-17 2000-03-17 光マイクロフォン Pending JP2001268696A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000075532A JP2001268696A (ja) 2000-03-17 2000-03-17 光マイクロフォン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000075532A JP2001268696A (ja) 2000-03-17 2000-03-17 光マイクロフォン

Publications (2)

Publication Number Publication Date
JP2001268696A true JP2001268696A (ja) 2001-09-28
JP2001268696A5 JP2001268696A5 (enExample) 2007-04-05

Family

ID=18593412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000075532A Pending JP2001268696A (ja) 2000-03-17 2000-03-17 光マイクロフォン

Country Status (1)

Country Link
JP (1) JP2001268696A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010266392A (ja) * 2009-05-18 2010-11-25 Kochi Univ Of Technology インフラサウンド測定装置
JP2016070823A (ja) * 2014-09-30 2016-05-09 富士通株式会社 振動検出部品、これを用いた音響装置及び情報機器

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133799A (en) * 1981-02-12 1982-08-18 Olympus Optical Co Ltd Electroacoustic transducer
JPS62179178A (ja) * 1986-01-31 1987-08-06 Sharp Corp 反射型ホトセンサ
JPS63260300A (ja) * 1987-04-17 1988-10-27 Matsushita Electric Ind Co Ltd マイクロホン
JPH01168199A (ja) * 1987-12-24 1989-07-03 Mitsubishi Heavy Ind Ltd 光オーディオマイクロホン
JPH01227001A (ja) * 1988-03-07 1989-09-11 Mitsubishi Electric Corp 位置検出装置
JPH0431900U (enExample) * 1990-07-06 1992-03-16
JPH06125599A (ja) * 1992-10-12 1994-05-06 Asahi Optical Co Ltd マイクロホン
JPH08222747A (ja) * 1995-02-17 1996-08-30 Sumitomo Metal Mining Co Ltd 光センサ・モジュールとそれを用いた光反射センサ
JPH09107126A (ja) * 1995-10-11 1997-04-22 Ricoh Co Ltd 光並列送信装置
JPH09148620A (ja) * 1995-09-20 1997-06-06 Sharp Corp 光反射型検出器及びその製造方法
WO1998051123A1 (en) * 1997-05-08 1998-11-12 Ericsson Inc. Sound transducer and method having light detector for detecting displacement of transducer diaphragm
JPH10308998A (ja) * 1997-05-07 1998-11-17 Sony Corp マイクロホン装置
JPH11251623A (ja) * 1998-03-02 1999-09-17 Nippon Signal Co Ltd:The 光バリアセンサ
JP2000078695A (ja) * 1998-09-01 2000-03-14 Fujitsu Ltd 指向性光マイクロフォン
JP2001169398A (ja) * 1999-12-13 2001-06-22 Kenwood Corp 音響電気変換装置

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57133799A (en) * 1981-02-12 1982-08-18 Olympus Optical Co Ltd Electroacoustic transducer
JPS62179178A (ja) * 1986-01-31 1987-08-06 Sharp Corp 反射型ホトセンサ
JPS63260300A (ja) * 1987-04-17 1988-10-27 Matsushita Electric Ind Co Ltd マイクロホン
JPH01168199A (ja) * 1987-12-24 1989-07-03 Mitsubishi Heavy Ind Ltd 光オーディオマイクロホン
JPH01227001A (ja) * 1988-03-07 1989-09-11 Mitsubishi Electric Corp 位置検出装置
JPH0431900U (enExample) * 1990-07-06 1992-03-16
JPH06125599A (ja) * 1992-10-12 1994-05-06 Asahi Optical Co Ltd マイクロホン
JPH08222747A (ja) * 1995-02-17 1996-08-30 Sumitomo Metal Mining Co Ltd 光センサ・モジュールとそれを用いた光反射センサ
JPH09148620A (ja) * 1995-09-20 1997-06-06 Sharp Corp 光反射型検出器及びその製造方法
JPH09107126A (ja) * 1995-10-11 1997-04-22 Ricoh Co Ltd 光並列送信装置
JPH10308998A (ja) * 1997-05-07 1998-11-17 Sony Corp マイクロホン装置
WO1998051123A1 (en) * 1997-05-08 1998-11-12 Ericsson Inc. Sound transducer and method having light detector for detecting displacement of transducer diaphragm
JPH11251623A (ja) * 1998-03-02 1999-09-17 Nippon Signal Co Ltd:The 光バリアセンサ
JP2000078695A (ja) * 1998-09-01 2000-03-14 Fujitsu Ltd 指向性光マイクロフォン
JP2001169398A (ja) * 1999-12-13 2001-06-22 Kenwood Corp 音響電気変換装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010266392A (ja) * 2009-05-18 2010-11-25 Kochi Univ Of Technology インフラサウンド測定装置
JP2016070823A (ja) * 2014-09-30 2016-05-09 富士通株式会社 振動検出部品、これを用いた音響装置及び情報機器

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