GB9402489D0 - Main power supply circuit - Google Patents

Main power supply circuit

Info

Publication number: GB9402489D0
Authority: GB; United Kingdom
Prior art keywords: power supply; supply circuit; main power; main; circuit
Prior art date: 1993-02-22
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

GB9402489A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Technicolor SA

Technicolor USA Inc

Original Assignee

Thomson Consumer Electronics SA

Thomson Consumer Electronics Inc

Priority date (The priority date 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 date listed.)

1993-02-22

Filing date

1994-02-09

Publication date

1994-03-30

1994-02-09 Application filed by Thomson Consumer Electronics SA, Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics SA

1994-03-30 Publication of GB9402489D0 publication Critical patent/GB9402489D0/en

1994-08-24 Publication of GB2275384A publication Critical patent/GB2275384A/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- 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
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)

GB9402489A 1993-02-22 1994-02-09 Controlling amplifier power supply in dependence on signal level Withdrawn GB2275384A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP93400456		1993-02-22

Publications (2)

Publication Number	Publication Date
GB9402489D0 true GB9402489D0 (en)	1994-03-30
GB2275384A GB2275384A (en)	1994-08-24

Family

ID=8214683

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9402489A Withdrawn GB2275384A (en)	1993-02-22	1994-02-09	Controlling amplifier power supply in dependence on signal level

Country Status (1)

Country	Link
GB (1)	GB2275384A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19858963A1 (en) *	1998-12-21	2000-07-13	Becker Gmbh	Audio signal amplifier e.g. for automobile, uses analysis device for signal to be amplified coupled to control device for controlled voltage supply for amplifier
US6535399B2 (en) *	2001-08-14	2003-03-18	Bose Corporation	Tracking power supply controlling
GB0715254D0 (en) *	2007-08-03	2007-09-12	Wolfson Ltd	Amplifier circuit
JP2009135903A (en) *	2007-10-16	2009-06-18	Thx Ltd	Efficient power amplifier
US8995691B2 (en)	2008-07-14	2015-03-31	Audera Acoustics Inc.	Audio amplifier
KR20110027023A (en) *	2009-09-09	2011-03-16	삼성전자주식회사	Audio processing apparatus and method
WO2011143778A1 (en) *	2010-05-20	2011-11-24	Audera International Sales Inc.	Power supply circuits for audio amplifiers
US9859990B2 (en) *	2015-04-29	2018-01-02	Etymotic Research, Inc.	Telecoil hum filter
GB2549571A (en) *	2016-04-20	2017-10-25	Cirrus Logic Int Semiconductor Ltd	Single signal-variant power supply for a pluarity of amplifiers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS51121239A (en) *	1975-04-17	1976-10-23	Sony Corp	An amplification circuit
NL7901118A (en) *	1979-02-13	1980-08-15	Philips Nv	AMPLIFIER CONTAINING A POWER SUPPLY CIRCUIT AND A CONNECTED AMPLIFIER STAGE.
IT1239643B (en) *	1990-02-22	1993-11-11	Sgs Thomson Microelectronics	HIGH EFFICIENCY AUDIO AMPLIFIER FOR USE IN HIGH LOYALTY
DE4206352A1 (en) *	1992-02-29	1993-09-02	Deutsche Aerospace	METHOD FOR THE LINEAR AMPLIFICATION OF A USER SIGNAL AND AMPLIFIER FOR CARRYING OUT THE METHOD

1994
- 1994-02-09 GB GB9402489A patent/GB2275384A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2275384A (en)	1994-08-24

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Legal Events

Date	Code	Title	Description
1995-06-14	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)