CN1520635A - 音频再生装置及方法 - Google Patents
音频再生装置及方法 Download PDFInfo
- Publication number
- CN1520635A CN1520635A CNA028042670A CN02804267A CN1520635A CN 1520635 A CN1520635 A CN 1520635A CN A028042670 A CNA028042670 A CN A028042670A CN 02804267 A CN02804267 A CN 02804267A CN 1520635 A CN1520635 A CN 1520635A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- signal
- order
- audio
- bias voltage
- 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
Links
Images
Classifications
-
- 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
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- 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
- H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/331—Sigma delta modulation being used in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20046/01 | 2001-01-29 | ||
JP2001020046A JP2002230905A (ja) | 2001-01-29 | 2001-01-29 | 音声再生装置および方法 |
JP20046/2001 | 2001-01-29 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2007101471312A Division CN101141116A (zh) | 2001-01-29 | 2002-01-28 | 音频再生装置及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1520635A true CN1520635A (zh) | 2004-08-11 |
CN100386963C CN100386963C (zh) | 2008-05-07 |
Family
ID=18885819
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2007101471312A Pending CN101141116A (zh) | 2001-01-29 | 2002-01-28 | 音频再生装置及方法 |
CNB028042670A Expired - Fee Related CN100386963C (zh) | 2001-01-29 | 2002-01-28 | 音频再生装置及方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2007101471312A Pending CN101141116A (zh) | 2001-01-29 | 2002-01-28 | 音频再生装置及方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7184481B2 (zh) |
JP (1) | JP2002230905A (zh) |
CN (2) | CN101141116A (zh) |
TW (1) | TW521488B (zh) |
WO (1) | WO2002061942A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006165687A (ja) * | 2004-12-02 | 2006-06-22 | Onkyo Corp | スイッチングアンプ |
JP4893201B2 (ja) * | 2006-09-28 | 2012-03-07 | 株式会社Jvcケンウッド | D級増幅装置及び方法 |
US8224009B2 (en) | 2007-03-02 | 2012-07-17 | Bose Corporation | Audio system with synthesized positive impedance |
JP5141182B2 (ja) * | 2007-10-24 | 2013-02-13 | ヤマハ株式会社 | 信号生成装置およびd級増幅装置 |
JP2010041680A (ja) * | 2008-08-08 | 2010-02-18 | Hitachi Kokusai Electric Inc | D級増幅装置 |
JP5337120B2 (ja) * | 2010-09-13 | 2013-11-06 | パナソニック株式会社 | D級増幅器及び無線通信装置 |
US8213018B2 (en) * | 2010-11-10 | 2012-07-03 | Honeywell International Inc. | Constant optical power sensor using a light source current servo combined with digital demodulation intensity suppression for radiation and vibration insensitivity in a fiber optic gyroscope |
JP2015041999A (ja) * | 2013-08-23 | 2015-03-02 | 住友電工デバイス・イノベーション株式会社 | 増幅回路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3689210T2 (de) * | 1985-07-02 | 1994-05-11 | Pioneer Electronic Corp | Pulsbreitenmodulationsansteuerschaltung. |
JP2688746B2 (ja) * | 1985-07-02 | 1997-12-10 | パイオニア株式会社 | Pwm駆動回路 |
JPS6255309U (zh) * | 1985-09-25 | 1987-04-06 | ||
DE3605561A1 (de) * | 1986-02-21 | 1987-08-27 | Thomson Brandt Gmbh | Verfahren zur kompensation der offset-spannung eines regelverstaerkers und schaltungsanordnung zur durchfuehrung des verfahrens |
JP2844479B2 (ja) * | 1989-11-17 | 1999-01-06 | 富士通テン株式会社 | スイッチングアンプの電源変動補償回路 |
US5121011A (en) * | 1990-05-31 | 1992-06-09 | Fujitsu Limited | Driver circuit for driving an analog device |
JPH07274248A (ja) * | 1994-03-31 | 1995-10-20 | Sony Corp | デジタル無線電話装置 |
US5777512A (en) * | 1996-06-20 | 1998-07-07 | Tripath Technology, Inc. | Method and apparatus for oversampled, noise-shaping, mixed-signal processing |
US6169765B1 (en) * | 1997-05-28 | 2001-01-02 | Integration Associates, Inc. | Apparatus and method for output signal pulse width error correction in a communications receiver |
JP3348019B2 (ja) * | 1998-07-06 | 2002-11-20 | シャープ株式会社 | パルス波増幅装置 |
US6362683B1 (en) * | 1999-07-29 | 2002-03-26 | Tripath Technology, Inc. | Break-before-make distortion compensation for a digital amplifier |
FI107659B (fi) * | 1999-11-26 | 2001-09-14 | Nokia Mobile Phones Ltd | Signaalin laadun parantaminen |
-
2001
- 2001-01-29 JP JP2001020046A patent/JP2002230905A/ja not_active Withdrawn
-
2002
- 2002-01-28 WO PCT/JP2002/000582 patent/WO2002061942A1/ja active Application Filing
- 2002-01-28 CN CNA2007101471312A patent/CN101141116A/zh active Pending
- 2002-01-28 CN CNB028042670A patent/CN100386963C/zh not_active Expired - Fee Related
- 2002-01-29 TW TW091101483A patent/TW521488B/zh not_active IP Right Cessation
-
2003
- 2003-07-29 US US10/628,261 patent/US7184481B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2002061942A1 (fr) | 2002-08-08 |
TW521488B (en) | 2003-02-21 |
JP2002230905A (ja) | 2002-08-16 |
US20040022324A1 (en) | 2004-02-05 |
CN100386963C (zh) | 2008-05-07 |
US7184481B2 (en) | 2007-02-27 |
CN101141116A (zh) | 2008-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NSC CO., LTD. Free format text: FORMER NAME: NIIGATA SEIMITSU CO., LTD. |
|
CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan Patentee after: NSC Corp. Address before: Japan's Niigata Prefecture Patentee before: NSC Corp. |
|
CP03 | Change of name, title or address |
Address after: Japan's Niigata Prefecture Patentee after: NSC Corp. Address before: Japan's Niigata Prefecture Patentee before: NIIGATA SEIMITSU Co.,Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20100301 |