TW221533B - - Google Patents
Info
- Publication number
- TW221533B TW221533B TW080108613A TW80108613A TW221533B TW 221533 B TW221533 B TW 221533B TW 080108613 A TW080108613 A TW 080108613A TW 80108613 A TW80108613 A TW 80108613A TW 221533 B TW221533 B TW 221533B
- Authority
- TW
- Taiwan
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Television Receiver Circuits (AREA)
- Circuit For Audible Band Transducer (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/755,581 US5200708A (en) | 1991-09-11 | 1991-09-11 | Apparatus for the virtual expansion of power supply capacity |
Publications (1)
Publication Number | Publication Date |
---|---|
TW221533B true TW221533B (zh) | 1994-03-01 |
Family
ID=25039752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW080108613A TW221533B (zh) | 1991-09-11 | 1991-11-02 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5200708A (zh) |
JP (1) | JP2932225B2 (zh) |
KR (1) | KR100339614B1 (zh) |
CN (1) | CN1043110C (zh) |
DE (1) | DE4229108C2 (zh) |
GB (1) | GB2260233B (zh) |
MY (1) | MY109320A (zh) |
TW (1) | TW221533B (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09312540A (ja) * | 1996-05-23 | 1997-12-02 | Pioneer Electron Corp | ラウドネスボリュームコントロール装置 |
EP1089453B1 (en) * | 1999-09-30 | 2010-11-10 | STMicroelectronics Srl | Level control of the signal produced by a transceiver coupled to a power distribution line |
US20020131611A1 (en) * | 2001-03-13 | 2002-09-19 | Hoover Alan Anderson | `Audio surround sound power management switching |
US6729235B2 (en) | 2001-04-30 | 2004-05-04 | Eastman Kodak Company | Imaging apparatus and imaging drum having material clamp |
US7203852B2 (en) * | 2001-06-29 | 2007-04-10 | Intel Corporation | System and process for making power readily available to newly added computers |
US6771123B2 (en) * | 2002-04-19 | 2004-08-03 | Bose Corporation | Multichannel power amplifying |
US7139920B2 (en) | 2003-03-13 | 2006-11-21 | Sun Microsystems, Inc. | Method and apparatus for supplying power in electronic equipment |
US7251337B2 (en) | 2003-04-24 | 2007-07-31 | Dolby Laboratories Licensing Corporation | Volume control in movie theaters |
US7551745B2 (en) * | 2003-04-24 | 2009-06-23 | Dolby Laboratories Licensing Corporation | Volume and compression control in movie theaters |
US7200763B2 (en) | 2003-10-09 | 2007-04-03 | Sun Microsystems, Inc. | Method and apparatus for controlling the power consumption of a semiconductor device |
US7519837B2 (en) * | 2004-06-15 | 2009-04-14 | Hewlett-Packard Development Company, L.P. | Power controller |
US7793117B2 (en) * | 2006-10-12 | 2010-09-07 | Hewlett-Packard Development Company, L.P. | Method, apparatus and system for determining power supply to a load |
CN101547387A (zh) * | 2008-03-26 | 2009-09-30 | 鸿富锦精密工业(深圳)有限公司 | 耳机及使用该耳机的音频播放系统 |
US9048790B1 (en) * | 2010-04-14 | 2015-06-02 | Marvell International Ltd. | Method and apparatus for power reduction |
GB201518859D0 (en) * | 2015-10-23 | 2015-12-09 | Airbus Defence & Space Ltd | High-efficiency amplifier |
US11121620B2 (en) | 2016-01-29 | 2021-09-14 | Dolby Laboratories Licensing Corporation | Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply |
US10778160B2 (en) | 2016-01-29 | 2020-09-15 | Dolby Laboratories Licensing Corporation | Class-D dynamic closed loop feedback amplifier |
CN106377910B (zh) * | 2016-11-25 | 2018-03-23 | 重庆第二师范学院 | 一种不会伤人的安全跨栏装置 |
US11258250B2 (en) | 2018-12-04 | 2022-02-22 | Synaptics Incorporated | Over current protection with improved stability systems and methods |
EP3726730B1 (en) * | 2019-04-17 | 2021-08-25 | Goodix Technology (HK) Company Limited | Peak current limiter |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1236607B (de) * | 1965-02-06 | 1967-03-16 | Loewe Opta Gmbh | Schaltungsanordnung fuer Netzteile zur Spannungsversorgung von transistorisierten Fernseh- oder Rundfunkempfangsgeraeten |
FR1492932A (fr) * | 1966-05-11 | 1967-08-25 | Cit Alcatel | Réglage automatique de la puissance d'un organe amplificateur |
US3681704A (en) * | 1971-10-08 | 1972-08-01 | Motorola Inc | Shared volume and tone control system |
US4439740A (en) * | 1982-04-01 | 1984-03-27 | Rockwell International Corporation | Corporate amplifier apparatus with improved degradation |
GB2119102B (en) * | 1982-04-01 | 1985-09-04 | Victor Company Of Japan | Load impedance detector for audio power amplifiers |
US4490683A (en) * | 1982-09-30 | 1984-12-25 | Ford Motor Company | Electronic control switch for a power boost amplifier |
-
1991
- 1991-09-11 US US07/755,581 patent/US5200708A/en not_active Expired - Lifetime
- 1991-11-02 TW TW080108613A patent/TW221533B/zh active
-
1992
- 1992-08-28 MY MYPI92001559A patent/MY109320A/en unknown
- 1992-09-01 DE DE4229108A patent/DE4229108C2/de not_active Expired - Fee Related
- 1992-09-08 KR KR1019920016479A patent/KR100339614B1/ko not_active IP Right Cessation
- 1992-09-10 JP JP4283393A patent/JP2932225B2/ja not_active Expired - Fee Related
- 1992-09-10 GB GB9219184A patent/GB2260233B/en not_active Expired - Lifetime
- 1992-09-10 CN CN92110605A patent/CN1043110C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
MY109320A (en) | 1997-01-31 |
CN1070782A (zh) | 1993-04-07 |
CN1043110C (zh) | 1999-04-21 |
US5200708A (en) | 1993-04-06 |
GB2260233A (en) | 1993-04-07 |
KR930007304A (ko) | 1993-04-22 |
GB9219184D0 (en) | 1992-10-28 |
GB2260233B (en) | 1995-09-27 |
DE4229108C2 (de) | 1994-09-01 |
KR100339614B1 (ko) | 2002-10-25 |
JP2932225B2 (ja) | 1999-08-09 |
JPH05244535A (ja) | 1993-09-21 |
DE4229108A1 (de) | 1993-03-18 |