GB9826693D0 - Amplifier for speaker - Google Patents

Amplifier for speaker

Info

Publication number
GB9826693D0
GB9826693D0 GBGB9826693.5A GB9826693A GB9826693D0 GB 9826693 D0 GB9826693 D0 GB 9826693D0 GB 9826693 A GB9826693 A GB 9826693A GB 9826693 D0 GB9826693 D0 GB 9826693D0
Authority
GB
United Kingdom
Prior art keywords
speaker
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.)
Granted
Application number
GBGB9826693.5A
Other versions
GB2332806A (en
GB2332806B (en
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9826693D0 publication Critical patent/GB9826693D0/en
Publication of GB2332806A publication Critical patent/GB2332806A/en
Application granted granted Critical
Publication of GB2332806B publication Critical patent/GB2332806B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB9826693A 1997-12-27 1998-12-04 Amplifier for speaker Expired - Lifetime GB2332806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9368132A JPH11195933A (en) 1997-12-27 1997-12-27 Amplifier for speaker

Publications (3)

Publication Number Publication Date
GB9826693D0 true GB9826693D0 (en) 1999-01-27
GB2332806A GB2332806A (en) 1999-06-30
GB2332806B GB2332806B (en) 2000-06-21

Family

ID=18491048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9826693A Expired - Lifetime GB2332806B (en) 1997-12-27 1998-12-04 Amplifier for speaker

Country Status (3)

Country Link
JP (1) JPH11195933A (en)
DE (1) DE19857023A1 (en)
GB (1) GB2332806B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101215636B1 (en) 2012-07-13 2012-12-26 김영준 Audio amp apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634213A (en) * 1979-08-29 1981-04-06 Mitsubishi Electric Corp Signal muting circuit in bridge amplifier
GB2187607B (en) * 1986-03-05 1990-03-21 Malcolm John Hawksford Apparatus and methods for driving loupspeaker systems
JP3410146B2 (en) * 1993-03-31 2003-05-26 ソニー株式会社 Power amplifier
EP0695106B1 (en) * 1994-07-29 2002-11-27 STMicroelectronics S.r.l. Circuit and method for driving alternatively electric loads with low impedance

Also Published As

Publication number Publication date
GB2332806A (en) 1999-06-30
GB2332806B (en) 2000-06-21
DE19857023A1 (en) 1999-07-15
JPH11195933A (en) 1999-07-21

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181203