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FR2021915A1 - - Google Patents

Info

Publication number
FR2021915A1
FR2021915A1 FR6937091A FR6937091A FR2021915A1 FR 2021915 A1 FR2021915 A1 FR 2021915A1 FR 6937091 A FR6937091 A FR 6937091A FR 6937091 A FR6937091 A FR 6937091A FR 2021915 A1 FR2021915 A1 FR 2021915A1
Authority
FR
France
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Withdrawn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
FR6937091A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2021915A1 publication Critical patent/FR2021915A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/24—Frequency-independent attenuators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR6937091A 1968-10-30 1969-10-29 Withdrawn FR2021915A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5148568 1968-10-30

Publications (1)

Publication Number Publication Date
FR2021915A1 true FR2021915A1 (fr) 1970-07-24

Family

ID=10460210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6937091A Withdrawn FR2021915A1 (fr) 1968-10-30 1969-10-29

Country Status (5)

Country Link
US (1) US3582681A (fr)
DE (1) DE1952927B2 (fr)
ES (1) ES373031A1 (fr)
FR (1) FR2021915A1 (fr)
GB (1) GB1239061A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763382A (en) * 1972-03-01 1973-10-02 Sony Corp Amplitude control circuit
IT995990B (it) * 1973-10-19 1975-11-20 Ates Componenti Elettron Attenuatore attivo a minima distorsione armonica totale per amplificatori in alternata con controllo automatico del livello d uscita
JPS51147236A (en) * 1975-06-13 1976-12-17 Hitachi Ltd Automatic gain control circuit
JPS5422512U (fr) * 1977-07-15 1979-02-14
US4567384A (en) * 1982-12-27 1986-01-28 Motorola, Inc. Voltage offset producing circuit for use with a line receiver or the like
US4964116A (en) * 1988-11-02 1990-10-16 Ant Nachrichtentechnik Gmbh DS3 - line interface linear array (lila)
JPH08307181A (ja) * 1995-05-09 1996-11-22 Sony Corp レベル制御回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343099A (en) * 1964-08-27 1967-09-19 Gen Dynamics Corp Audio compressor circuit

Also Published As

Publication number Publication date
GB1239061A (fr) 1971-07-14
DE1952927B2 (de) 1976-06-24
US3582681A (en) 1971-06-01
ES373031A1 (es) 1971-12-01
DE1952927A1 (de) 1970-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse