Nothing Special   »   [go: up one dir, main page]

GB0808646D0 - Anti-feedback device - Google Patents

Anti-feedback device

Info

Publication number
GB0808646D0
GB0808646D0 GBGB0808646.4A GB0808646A GB0808646D0 GB 0808646 D0 GB0808646 D0 GB 0808646D0 GB 0808646 A GB0808646 A GB 0808646A GB 0808646 D0 GB0808646 D0 GB 0808646D0
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.)
Ceased
Application number
GBGB0808646.4A
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
Priority to GBGB0808646.4A priority Critical patent/GB0808646D0/en
Publication of GB0808646D0 publication Critical patent/GB0808646D0/en
Priority to PCT/GB2009/001218 priority patent/WO2009138754A1/en
Priority to GB1019511.3A priority patent/GB2472941B/en
Ceased legal-status Critical Current

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)
GBGB0808646.4A 2008-05-13 2008-05-13 Anti-feedback device Ceased GB0808646D0 (en)

Priority Applications (3)

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
GB1019511.3A GB2472941B (en) 2008-05-13 2009-05-13 Anti-feedback device

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB0808646D0 true GB0808646D0 (en) 2008-06-18

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 After (1)

Application Number Title Priority Date Filing Date
GB1019511.3A Expired - Fee Related GB2472941B (en) 2008-05-13 2009-05-13 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
WO2020051593A1 (en) 2018-09-07 2020-03-12 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
WO2009138754A1 (en) 2009-11-19
GB201019511D0 (en) 2010-12-29

Similar Documents

Publication Publication Date Title
PL2471481T5 (en) Photo-epilation device
GB0821636D0 (en) Device
GB0804306D0 (en) Device
GB2459553B (en) Device
GB0801419D0 (en) Albation device
EP2244675A4 (en) Anti-snore device
PL2324930T3 (en) Water-spouting device
GB0816098D0 (en) Connectign device
GB0815427D0 (en) Device
GB2464563B (en) Device
GB0822270D0 (en) Device
GB0817016D0 (en) Stackign device
GB0807211D0 (en) Photvolotaic device
EP2274090A4 (en) Nano-getter device
GB0810429D0 (en) Device
GB2472941B (en) Anti-feedback device
GB2457095B (en) Retaining device
GB0819038D0 (en) Measuring-tape device
GB0813380D0 (en) Device
GB0805323D0 (en) Hellicopter device
GB0823073D0 (en) Retaining device
TWI366305B (en) Connetor device
GB0810598D0 (en) Device
GB0807580D0 (en) Device
GB0815601D0 (en) Device

Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)