DE69616290T2 - Audioverstärker - Google Patents

Audioverstärker

Info

Publication number
DE69616290T2
DE69616290T2 DE69616290T DE69616290T DE69616290T2 DE 69616290 T2 DE69616290 T2 DE 69616290T2 DE 69616290 T DE69616290 T DE 69616290T DE 69616290 T DE69616290 T DE 69616290T DE 69616290 T2 DE69616290 T2 DE 69616290T2
Authority
DE
Germany
Prior art keywords
audio amplifier
amplifier
audio
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
Application number
DE69616290T
Other languages
English (en)
Other versions
DE69616290D1 (de
Inventor
Marghuerite Willems
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69616290D1 publication Critical patent/DE69616290D1/de
Application granted granted Critical
Publication of DE69616290T2 publication Critical patent/DE69616290T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE69616290T 1995-12-22 1996-12-04 Audioverstärker Expired - Fee Related DE69616290T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203605 1995-12-22
PCT/IB1996/001342 WO1997023948A1 (en) 1995-12-22 1996-12-04 Audio amplifier

Publications (2)

Publication Number Publication Date
DE69616290D1 DE69616290D1 (de) 2001-11-29
DE69616290T2 true DE69616290T2 (de) 2002-07-18

Family

ID=8220992

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69616290T Expired - Fee Related DE69616290T2 (de) 1995-12-22 1996-12-04 Audioverstärker

Country Status (6)

Country Link
US (1) US5789977A (de)
EP (1) EP0811271B1 (de)
JP (1) JPH11501191A (de)
KR (1) KR100457840B1 (de)
DE (1) DE69616290T2 (de)
WO (1) WO1997023948A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002050976A (ja) * 2000-08-07 2002-02-15 Sony Corp アンテナユニットおよび受信機
JP6820094B2 (ja) * 2016-10-04 2021-01-27 ローム株式会社 半導体集積回路装置及びそのスクリーニング方法並びにオペアンプ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605042A (en) * 1969-12-22 1971-09-14 Gen Electric Treble control circuit
US3750044A (en) * 1972-05-22 1973-07-31 Intern Radio & Electronics Cor Graphic equalizer circuit
US4076959A (en) * 1976-10-08 1978-02-28 General Motors Corporation Volume, tone and balance control for multi-channel audio systems
US4467287A (en) * 1982-06-04 1984-08-21 Dbx, Inc. Signal expander
US4539526A (en) * 1983-01-31 1985-09-03 Dbx, Inc. Adaptive signal weighting system
EP0208474A3 (de) * 1985-07-05 1988-08-31 Harman International Industries, Incorporated Klangwiedergabeanlage für Fahrzeuge
SE450613B (sv) * 1986-03-20 1987-07-06 Goran Hahne Forfarande och kretsanordning for att forbettra frekvensatergivningen hos en audio-basforsterkare
US4982435A (en) * 1987-04-17 1991-01-01 Sanyo Electric Co., Ltd. Automatic loudness control circuit
JPH03188707A (ja) * 1989-12-19 1991-08-16 Pioneer Electron Corp 音響再生装置
NL9200237A (nl) * 1992-02-07 1993-09-01 Novanex Automation Nv Niveaugestuurde toonregeling.
DK168681B1 (da) * 1992-03-02 1994-05-16 Bang & Olufsen As Højttaler med midler til frekvensafhængig amplituderegulering

Also Published As

Publication number Publication date
US5789977A (en) 1998-08-04
DE69616290D1 (de) 2001-11-29
KR100457840B1 (ko) 2005-04-06
WO1997023948A1 (en) 1997-07-03
EP0811271B1 (de) 2001-10-24
JPH11501191A (ja) 1999-01-26
EP0811271A1 (de) 1997-12-10
KR19980702505A (ko) 1998-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee