GB2472941B - Anti-feedback device - Google Patents
Anti-feedback deviceInfo
- Publication number
- GB2472941B GB2472941B GB1019511.3A GB201019511A GB2472941B GB 2472941 B GB2472941 B GB 2472941B GB 201019511 A GB201019511 A GB 201019511A GB 2472941 B GB2472941 B GB 2472941B
- 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.)
- Expired - Fee Related
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)
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 GB201019511D0 (en) | 2010-12-29 |
GB2472941A GB2472941A (en) | 2011-02-23 |
GB2472941B true 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)
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998051066A2 (en) * | 1997-05-07 | 1998-11-12 | Ericsson Inc. | Acoustic echo canceler |
-
2008
- 2008-05-13 GB GBGB0808646.4A patent/GB0808646D0/en not_active Ceased
-
2009
- 2009-05-13 GB GB1019511.3A patent/GB2472941B/en not_active Expired - Fee Related
- 2009-05-13 WO PCT/GB2009/001218 patent/WO2009138754A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998051066A2 (en) * | 1997-05-07 | 1998-11-12 | Ericsson Inc. | Acoustic echo canceler |
Non-Patent Citations (1)
Title |
---|
Vicen-Beuno R et al, "WISP 2007 IEEE International Symposium on Intelligent Signal Processing", 2007, IEEE, pp 1-6 * |
Also Published As
Publication number | Publication date |
---|---|
GB2472941A (en) | 2011-02-23 |
GB0808646D0 (en) | 2008-06-18 |
WO2009138754A1 (en) | 2009-11-19 |
GB201019511D0 (en) | 2010-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20160513 |