JPH02112092U - - Google Patents

Info

Publication number
JPH02112092U
JPH02112092U JP2091689U JP2091689U JPH02112092U JP H02112092 U JPH02112092 U JP H02112092U JP 2091689 U JP2091689 U JP 2091689U JP 2091689 U JP2091689 U JP 2091689U JP H02112092 U JPH02112092 U JP H02112092U
Authority
JP
Japan
Prior art keywords
sound
speaker
cancel
monitoring
canceled
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
JP2091689U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP2091689U priority Critical patent/JPH02112092U/ja
Publication of JPH02112092U publication Critical patent/JPH02112092U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2091689U 1989-02-25 1989-02-25 Pending JPH02112092U (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2091689U JPH02112092U (fr) 1989-02-25 1989-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2091689U JPH02112092U (fr) 1989-02-25 1989-02-25

Publications (1)

Publication Number Publication Date
JPH02112092U true JPH02112092U (fr) 1990-09-07

Family

ID=31237687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2091689U Pending JPH02112092U (fr) 1989-02-25 1989-02-25

Country Status (1)

Country Link
JP (1) JPH02112092U (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009204729A (ja) * 2008-02-26 2009-09-10 Sony Corp ノイズキャンセル装置、ノイズキャンセル方法
JP2019003126A (ja) * 2017-06-19 2019-01-10 株式会社オーディオテクニカ ヘッドホン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50801A (fr) * 1973-05-01 1975-01-07
JPS5539460A (en) * 1978-09-14 1980-03-19 Matsushita Electric Ind Co Ltd Headphone
JPS629397A (ja) * 1985-07-08 1987-01-17 大坪　正志 低周波騒音の低減方法とその装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50801A (fr) * 1973-05-01 1975-01-07
JPS5539460A (en) * 1978-09-14 1980-03-19 Matsushita Electric Ind Co Ltd Headphone
JPS629397A (ja) * 1985-07-08 1987-01-17 大坪　正志 低周波騒音の低減方法とその装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009204729A (ja) * 2008-02-26 2009-09-10 Sony Corp ノイズキャンセル装置、ノイズキャンセル方法
JP2019003126A (ja) * 2017-06-19 2019-01-10 株式会社オーディオテクニカ ヘッドホン

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