DE69724552D1 - Leistungsverstärkerapparat - Google Patents
LeistungsverstärkerapparatInfo
- Publication number
- DE69724552D1 DE69724552D1 DE69724552T DE69724552T DE69724552D1 DE 69724552 D1 DE69724552 D1 DE 69724552D1 DE 69724552 T DE69724552 T DE 69724552T DE 69724552 T DE69724552 T DE 69724552T DE 69724552 D1 DE69724552 D1 DE 69724552D1
- Authority
- DE
- Germany
- Prior art keywords
- power amplifier
- amplifier apparatus
- power
- amplifier
- 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
- 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
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0244—Stepped control
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29069196 | 1996-10-31 | ||
JP29069196A JP3986105B2 (ja) | 1996-10-31 | 1996-10-31 | 電力増幅装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69724552D1 true DE69724552D1 (de) | 2003-10-09 |
DE69724552T2 DE69724552T2 (de) | 2004-07-01 |
Family
ID=17759266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69724552T Expired - Fee Related DE69724552T2 (de) | 1996-10-31 | 1997-10-29 | Leistungsverstärkerapparat |
Country Status (5)
Country | Link |
---|---|
US (1) | US5920229A (de) |
EP (1) | EP0840444B1 (de) |
JP (1) | JP3986105B2 (de) |
KR (1) | KR100499850B1 (de) |
DE (1) | DE69724552T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11136039A (ja) * | 1997-10-31 | 1999-05-21 | Sanyo Electric Co Ltd | 電力増幅装置 |
JP3881448B2 (ja) * | 1998-03-31 | 2007-02-14 | 株式会社東芝 | 電力増幅回路 |
US7167569B1 (en) * | 2000-10-25 | 2007-01-23 | National Semiconductor Corporation | Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance |
WO2004010575A1 (ja) * | 2002-07-18 | 2004-01-29 | Sony Corporation | パワーアンプ装置 |
EP1487100A1 (de) * | 2003-06-09 | 2004-12-15 | STMicroelectronics S.r.l. | Mehrkanal-Leistungsverstärker mit kanalunabhängigem selbstkonfigurierendem Ausgang in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen |
EP1496611A1 (de) * | 2003-07-09 | 2005-01-12 | STMicroelectronics S.r.l. | Selbstkonfigurierender Mehrkanal-Leistungsverstärker in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen |
HUE029499T2 (en) * | 2004-05-05 | 2017-02-28 | Audera Acoustics Inc | Speaker with built-in amplifier and audio frequency amplifier |
JP2009135903A (ja) * | 2007-10-16 | 2009-06-18 | Thx Ltd | 効率的な電力増幅器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5620314A (en) * | 1979-07-27 | 1981-02-25 | Nippon Gakki Seizo Kk | Electric power amplifier |
US4721919A (en) * | 1986-12-22 | 1988-01-26 | General Motors Corporation | Class G bridge amplifier with unipolar supplies |
US4857861A (en) * | 1987-09-23 | 1989-08-15 | U. S. Philips Corporation | Amplifier arrangement with improved quiescent current control |
EP0613242B1 (de) * | 1993-02-24 | 1997-10-29 | STMicroelectronics S.r.l. | Selbstkonfigurierbarer Doppelbrückenverstärker |
JPH06260858A (ja) * | 1993-03-03 | 1994-09-16 | Sanyo Electric Co Ltd | 電力増幅装置 |
JP3459442B2 (ja) * | 1993-03-29 | 2003-10-20 | 三洋電機株式会社 | 差動増幅回路及びそれを用いた電力増幅装置 |
JPH0746437A (ja) * | 1993-07-26 | 1995-02-14 | Sanyo Electric Co Ltd | リモートコントローラ |
JPH0846460A (ja) * | 1994-07-26 | 1996-02-16 | Sanyo Electric Co Ltd | 増幅回路 |
DE19525411A1 (de) * | 1995-07-12 | 1997-01-16 | Philips Patentverwaltung | Signalverstärker |
-
1996
- 1996-10-31 JP JP29069196A patent/JP3986105B2/ja not_active Expired - Fee Related
-
1997
- 1997-10-29 EP EP97118835A patent/EP0840444B1/de not_active Expired - Lifetime
- 1997-10-29 DE DE69724552T patent/DE69724552T2/de not_active Expired - Fee Related
- 1997-10-30 KR KR1019970056411A patent/KR100499850B1/ko not_active IP Right Cessation
- 1997-10-31 US US08/961,745 patent/US5920229A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3986105B2 (ja) | 2007-10-03 |
KR19980033328A (ko) | 1998-07-25 |
US5920229A (en) | 1999-07-06 |
KR100499850B1 (ko) | 2005-09-08 |
DE69724552T2 (de) | 2004-07-01 |
JPH10135751A (ja) | 1998-05-22 |
EP0840444A1 (de) | 1998-05-06 |
EP0840444B1 (de) | 2003-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |