ATE340433T1 - Verstärkereinrichtung und distribuiertes audiosystem - Google Patents
Verstärkereinrichtung und distribuiertes audiosystemInfo
- Publication number
- ATE340433T1 ATE340433T1 AT04721942T AT04721942T ATE340433T1 AT E340433 T1 ATE340433 T1 AT E340433T1 AT 04721942 T AT04721942 T AT 04721942T AT 04721942 T AT04721942 T AT 04721942T AT E340433 T1 ATE340433 T1 AT E340433T1
- Authority
- AT
- Austria
- Prior art keywords
- audio system
- distributed audio
- amplifier device
- amplifier
- powered
- Prior art date
Links
- 230000017525 heat dissipation Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/541—Transformer coupled at the output of an amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0308741A GB2400762B (en) | 2003-04-15 | 2003-04-15 | Amplifier arrangement and distributed audio system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE340433T1 true ATE340433T1 (de) | 2006-10-15 |
Family
ID=9956853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04721942T ATE340433T1 (de) | 2003-04-15 | 2004-03-19 | Verstärkereinrichtung und distribuiertes audiosystem |
Country Status (10)
Country | Link |
---|---|
US (1) | US20070104338A1 (de) |
EP (1) | EP1614216B1 (de) |
AT (1) | ATE340433T1 (de) |
AU (1) | AU2004231903B2 (de) |
CA (1) | CA2522495A1 (de) |
DE (1) | DE602004002476T2 (de) |
DK (1) | DK1614216T3 (de) |
ES (1) | ES2273235T3 (de) |
GB (1) | GB2400762B (de) |
WO (1) | WO2004095690A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2400762B (en) * | 2003-04-15 | 2006-04-26 | Qed Audio Products Ltd | Amplifier arrangement and distributed audio system |
US8290172B2 (en) * | 2007-01-05 | 2012-10-16 | Audio Design Associates, Inc. | Multi-source distributed audio amplification and control system for structured wiring systems |
US8295513B2 (en) | 2009-12-24 | 2012-10-23 | International Business Machines Corporation | Audio system adapters for audio signal distribution using electrical extension cables |
EP3139630A1 (de) * | 2015-09-04 | 2017-03-08 | Music Group IP Ltd. | Verfahren zur steuerung des leistungsverbrauchs eines lautsprechersystems |
US11336264B1 (en) * | 2020-11-03 | 2022-05-17 | Dell Products L.P. | Systems and methods for varying an impedance of a cable |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8005542L (sv) * | 1979-08-06 | 1981-02-07 | Clarion Co Ltd | Automatiskt kraftforsorjningssystem |
JPH07327355A (ja) * | 1994-05-31 | 1995-12-12 | Sanyo Electric Co Ltd | スイッチングレギュレータの保護回路 |
US5768399A (en) * | 1994-10-17 | 1998-06-16 | Audio Technica U.S., Inc. | Low distortion amplifier |
US5751823A (en) * | 1996-01-05 | 1998-05-12 | Rockford Corporation | Audio amplifier system with improved isolation between preamplifier and power amplifier |
CA2175607A1 (en) * | 1996-05-02 | 1997-11-03 | Chia-Yi Hsu | Track mounted distributed audio broadcasting system |
US5973368A (en) * | 1996-06-05 | 1999-10-26 | Pearce; Lawrence G. | Monolithic class D amplifier |
AUPO862197A0 (en) * | 1997-08-15 | 1997-09-11 | Leisuretech Electronics Pty Ltd | A distributed stereo system |
US6389139B1 (en) * | 1997-11-18 | 2002-05-14 | Dana Innovations | Powered volume control for distributed audio system |
DE19858836A1 (de) * | 1998-12-19 | 2000-06-21 | Bayerische Motoren Werke Ag | Fahrzeug-Audiosystem |
CN2409730Y (zh) * | 2000-02-18 | 2000-12-06 | Tcl王牌电子(深圳)有限公司 | 数字音响电视装置 |
KR100425378B1 (ko) * | 2000-02-21 | 2004-04-01 | 가부시키가이샤 엔.티.티.도코모 | 정보 분배 방법, 정보 분배 시스템, 정보 분배 서버, 이동통신망 시스템 및 통신 서비스 제공 방법 |
JP2002223132A (ja) * | 2001-01-29 | 2002-08-09 | Niigata Seimitsu Kk | 音声再生装置および方法 |
US6934137B2 (en) * | 2001-02-20 | 2005-08-23 | Radiant Power Corporation | Peer-to-peer control and decision making system |
US6983052B2 (en) * | 2001-12-29 | 2006-01-03 | Alpine Electronics, Inc | Vehicle power amplifier and voltage supply thereof |
GB2385725B (en) * | 2002-02-25 | 2005-05-18 | Audio Partnership Plc | Power supply arrangements |
EP1343162A3 (de) * | 2002-03-05 | 2006-06-28 | D&M Holdings, Inc. | Audiowiedergabegerät |
GB2400762B (en) * | 2003-04-15 | 2006-04-26 | Qed Audio Products Ltd | Amplifier arrangement and distributed audio system |
-
2003
- 2003-04-15 GB GB0308741A patent/GB2400762B/en not_active Expired - Fee Related
-
2004
- 2004-03-19 ES ES04721942T patent/ES2273235T3/es not_active Expired - Lifetime
- 2004-03-19 DE DE602004002476T patent/DE602004002476T2/de not_active Expired - Lifetime
- 2004-03-19 DK DK04721942T patent/DK1614216T3/da active
- 2004-03-19 WO PCT/GB2004/001212 patent/WO2004095690A1/en active IP Right Grant
- 2004-03-19 CA CA002522495A patent/CA2522495A1/en not_active Abandoned
- 2004-03-19 AT AT04721942T patent/ATE340433T1/de not_active IP Right Cessation
- 2004-03-19 US US10/553,096 patent/US20070104338A1/en not_active Abandoned
- 2004-03-19 AU AU2004231903A patent/AU2004231903B2/en not_active Ceased
- 2004-03-19 EP EP04721942A patent/EP1614216B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2004095690A1 (en) | 2004-11-04 |
DE602004002476T2 (de) | 2007-06-21 |
DK1614216T3 (da) | 2007-01-29 |
US20070104338A1 (en) | 2007-05-10 |
GB2400762B (en) | 2006-04-26 |
AU2004231903A1 (en) | 2004-11-04 |
EP1614216A1 (de) | 2006-01-11 |
CA2522495A1 (en) | 2004-11-04 |
GB0308741D0 (en) | 2003-05-21 |
AU2004231903B2 (en) | 2008-06-05 |
EP1614216B1 (de) | 2006-09-20 |
DE602004002476D1 (de) | 2006-11-02 |
ES2273235T3 (es) | 2007-05-01 |
GB2400762A (en) | 2004-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |