GB2196815B - Motional feedback system for loudspeakers - Google Patents

Motional feedback system for loudspeakers

Info

Publication number
GB2196815B
GB2196815B GB8623131A GB8623131A GB2196815B GB 2196815 B GB2196815 B GB 2196815B GB 8623131 A GB8623131 A GB 8623131A GB 8623131 A GB8623131 A GB 8623131A GB 2196815 B GB2196815 B GB 2196815B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
loudspeakers
feedback system
motional feedback
motional
system
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
GB8623131A
Other versions
GB8623131D0 (en )
GB2196815A (en )
Inventor
David Robin Birt
Original Assignee
David Robin Birt
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/002Damping circuit arrangements for transducers, e.g. motional feedback circuits
GB8623131A 1986-09-25 1986-09-25 Motional feedback system for loudspeakers Expired GB2196815B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8623131A GB2196815B (en) 1986-09-25 1986-09-25 Motional feedback system for loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8623131A GB2196815B (en) 1986-09-25 1986-09-25 Motional feedback system for loudspeakers

Publications (3)

Publication Number Publication Date
GB8623131D0 true GB8623131D0 (en) 1986-10-29
GB2196815A true GB2196815A (en) 1988-05-05
GB2196815B true GB2196815B (en) 1989-01-11

Family

ID=10604799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8623131A Expired GB2196815B (en) 1986-09-25 1986-09-25 Motional feedback system for loudspeakers

Country Status (1)

Country Link
GB (1) GB2196815B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0879896A (en) * 1994-09-06 1996-03-22 Canon Inc Speaker
EP1059830A3 (en) * 1999-05-19 2003-12-17 Faurecia Abgastechnik GmbH Electrodynamic loudspeaker with a control device for an active vehicle noice attenuator
EP2081403B1 (en) 2008-01-17 2014-08-13 VLSI Solution Oy Method and device for detecting a displacement and movement of a sound producing unit of a woofer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL294600A (en) * 1963-06-26
GB1114345A (en) * 1965-02-09 1968-05-22 Matsushita Electric Ind Co Ltd Automatic frequency response control system for amplifiers
GB1582634A (en) * 1976-04-30 1981-01-14 Bang & Olufsen As Sound reproduction system and a loudspeaker unit therefor
EP0113370A1 (en) * 1982-06-30 1984-07-18 B & W LOUDSPEAKERS LIMITED Environment-adaptive loudspeaker systems
US4592088A (en) * 1982-10-14 1986-05-27 Matsushita Electric Industrial Co., Ltd. Speaker apparatus
DE3326494C2 (en) * 1983-07-22 1991-02-14 Dick Dipl.-Ing. 2000 Hamburg De Burkhard

Also Published As

Publication number Publication date Type
GB8623131D0 (en) 1986-10-29 application
GB2196815A (en) 1988-05-05 application

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930925