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GB9124471D0 - Electronic noise cancelling microphone system - Google Patents

Electronic noise cancelling microphone system

Info

Publication number
GB9124471D0
GB9124471D0 GB919124471A GB9124471A GB9124471D0 GB 9124471 D0 GB9124471 D0 GB 9124471D0 GB 919124471 A GB919124471 A GB 919124471A GB 9124471 A GB9124471 A GB 9124471A GB 9124471 D0 GB9124471 D0 GB 9124471D0
Authority
GB
United Kingdom
Prior art keywords
microphone system
noise cancelling
electronic noise
cancelling microphone
electronic
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
GB919124471A
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.)
HURFORD PETER J
Original Assignee
HURFORD PETER J
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 HURFORD PETER J filed Critical HURFORD PETER J
Priority to GB919124471A priority Critical patent/GB9124471D0/en
Publication of GB9124471D0 publication Critical patent/GB9124471D0/en
Priority to EP92923526A priority patent/EP0613603A1/en
Priority to PCT/GB1992/002127 priority patent/WO1993010613A1/en
Pending legal-status Critical Current

Links

GB919124471A 1991-11-18 1991-11-18 Electronic noise cancelling microphone system Pending GB9124471D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB919124471A GB9124471D0 (en) 1991-11-18 1991-11-18 Electronic noise cancelling microphone system
EP92923526A EP0613603A1 (en) 1991-11-18 1992-11-16 A circuit for use with microphones
PCT/GB1992/002127 WO1993010613A1 (en) 1991-11-18 1992-11-16 A circuit for use with microphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919124471A GB9124471D0 (en) 1991-11-18 1991-11-18 Electronic noise cancelling microphone system

Publications (1)

Publication Number Publication Date
GB9124471D0 true GB9124471D0 (en) 1992-01-08

Family

ID=10704820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB919124471A Pending GB9124471D0 (en) 1991-11-18 1991-11-18 Electronic noise cancelling microphone system

Country Status (3)

Country Link
EP (1) EP0613603A1 (en)
GB (1) GB9124471D0 (en)
WO (1) WO1993010613A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2286945A (en) * 1994-02-03 1995-08-30 Normalair Garrett Noise reduction system
US7492914B2 (en) 2002-03-08 2009-02-17 Arva Trade Audio receiving system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215241A (en) * 1978-10-16 1980-07-29 Frank L. Eppenger Sound operated control device
US4354059A (en) * 1979-09-11 1982-10-12 Victor Company Of Japan, Ltd. Variable-directivity microphone device
US4489442A (en) * 1982-09-30 1984-12-18 Shure Brothers, Inc. Sound actuated microphone system

Also Published As

Publication number Publication date
WO1993010613A1 (en) 1993-05-27
EP0613603A1 (en) 1994-09-07

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