GB201019511D0 - Anti-feedback device - Google Patents

Anti-feedback device

Info

Publication number
GB201019511D0
GB201019511D0 GBGB1019511.3A GB201019511A GB201019511D0 GB 201019511 D0 GB201019511 D0 GB 201019511D0 GB 201019511 A GB201019511 A GB 201019511A GB 201019511 D0 GB201019511 D0 GB 201019511D0
Authority
GB
United Kingdom
Prior art keywords
feedback device
feedback
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.)
Granted
Application number
GBGB1019511.3A
Other versions
GB2472941B (en
GB2472941A (en
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.)
Queen Mary University of London
Original Assignee
Queen Mary and Westfiled College University of London
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 Queen Mary and Westfiled College University of London filed Critical Queen Mary and Westfiled College University of London
Publication of GB201019511D0 publication Critical patent/GB201019511D0/en
Publication of GB2472941A publication Critical patent/GB2472941A/en
Application granted granted Critical
Publication of GB2472941B publication Critical patent/GB2472941B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
GB1019511.3A 2008-05-13 2009-05-13 Anti-feedback device Expired - Fee Related GB2472941B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0808646.4A GB0808646D0 (en) 2008-05-13 2008-05-13 Anti-feedback device
PCT/GB2009/001218 WO2009138754A1 (en) 2008-05-13 2009-05-13 Anti-feedback device

Publications (3)

Publication Number Publication Date
GB201019511D0 true GB201019511D0 (en) 2010-12-29
GB2472941A GB2472941A (en) 2011-02-23
GB2472941B GB2472941B (en) 2012-05-16

Family

ID=39571239

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0808646.4A Ceased GB0808646D0 (en) 2008-05-13 2008-05-13 Anti-feedback device
GB1019511.3A Expired - Fee Related GB2472941B (en) 2008-05-13 2009-05-13 Anti-feedback device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0808646.4A Ceased GB0808646D0 (en) 2008-05-13 2008-05-13 Anti-feedback device

Country Status (2)

Country Link
GB (2) GB0808646D0 (en)
WO (1) WO2009138754A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201617015D0 (en) * 2016-09-08 2016-11-23 Continental Automotive Systems Us Inc In-Car communication howling prevention
US10110997B2 (en) * 2017-02-17 2018-10-23 2236008 Ontario, Inc. System and method for feedback control for in-car communications
US11509987B2 (en) 2018-09-07 2022-11-22 Dolby Laboratories Licensing Corporation Dynamic environmental overlay instability detection and suppression in media-compensated pass-through devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system

Also Published As

Publication number Publication date
GB2472941B (en) 2012-05-16
GB2472941A (en) 2011-02-23
GB0808646D0 (en) 2008-06-18
WO2009138754A1 (en) 2009-11-19

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Legal Events

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

Effective date: 20160513