FR1313261A - Improvements to control systems - Google Patents

Improvements to control systems

Info

Publication number
FR1313261A
FR1313261A FR879054A FR879054A FR1313261A FR 1313261 A FR1313261 A FR 1313261A FR 879054 A FR879054 A FR 879054A FR 879054 A FR879054 A FR 879054A FR 1313261 A FR1313261 A FR 1313261A
Authority
FR
France
Prior art keywords
control systems
systems
control
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
Application number
FR879054A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR879054A priority Critical patent/FR1313261A/en
Priority to SE1204262A priority patent/SE313080B/xx
Priority to DE1962C0028401 priority patent/DE1263099B/en
Priority to GB4324462A priority patent/GB1019296A/en
Application granted granted Critical
Publication of FR1313261A publication Critical patent/FR1313261A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • 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
    • 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
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR879054A 1961-11-15 1961-11-15 Improvements to control systems Expired FR1313261A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR879054A FR1313261A (en) 1961-11-15 1961-11-15 Improvements to control systems
SE1204262A SE313080B (en) 1961-11-15 1962-11-09
DE1962C0028401 DE1263099B (en) 1961-11-15 1962-11-13 Gain control circuit
GB4324462A GB1019296A (en) 1961-11-15 1962-11-15 Improvements in gain control systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR879054A FR1313261A (en) 1961-11-15 1961-11-15 Improvements to control systems

Publications (1)

Publication Number Publication Date
FR1313261A true FR1313261A (en) 1962-12-28

Family

ID=8766784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879054A Expired FR1313261A (en) 1961-11-15 1961-11-15 Improvements to control systems

Country Status (4)

Country Link
DE (1) DE1263099B (en)
FR (1) FR1313261A (en)
GB (1) GB1019296A (en)
SE (1) SE313080B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198310A1 (en) * 1972-08-30 1974-03-29 Hitachi Ltd

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1190872B (en) * 1982-06-17 1988-02-24 Sgs Microelettronica Spa AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR964881A (en) * 1947-04-18 1950-08-26
FR968654A (en) * 1947-05-30 1950-12-01 Philips Nv Mounting, variable transmission ratio, to transmit low frequency oscillations
CH302745A (en) * 1951-06-15 1954-10-31 Philips Nv Amplifier circuit.
CH316032A (en) * 1953-05-29 1956-09-15 Siemens Ag Albis Arrangement for the automatic regulation of the output voltage of an amplifier
DE1035209B (en) * 1956-06-23 1958-07-31 Siemens Ag System for electroacoustic transmission
DE1058559B (en) * 1957-11-26 1959-06-04 Philips Nv Control circuit for electric amplifier
CH380972A (en) * 1960-11-10 1964-08-14 Georges Quellet Ing Elect E P Regulator circuit
DE1208164B (en) * 1963-07-31 1965-12-30 August H Wowries Capo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198310A1 (en) * 1972-08-30 1974-03-29 Hitachi Ltd

Also Published As

Publication number Publication date
DE1263099B (en) 1968-03-14
SE313080B (en) 1969-08-04
GB1019296A (en) 1966-02-02

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