FR1602358A - - Google Patents

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Publication number
FR1602358A
FR1602358A FR1602358DA FR1602358A FR 1602358 A FR1602358 A FR 1602358A FR 1602358D A FR1602358D A FR 1602358DA FR 1602358 A FR1602358 A FR 1602358A
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1602358A publication Critical patent/FR1602358A/fr
Expired legal-status Critical Current

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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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/06—Programming arrangements, e.g. plugboard for interconnecting functional units of the computer; Digital programming
    • 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
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
FR1602358D 1968-09-02 1968-09-02 Expired FR1602358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR164867 1968-09-02

Publications (1)

Publication Number Publication Date
FR1602358A true FR1602358A (en) 1970-11-16

Family

ID=8654177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1602358D Expired FR1602358A (en) 1968-09-02 1968-09-02

Country Status (1)

Country Link
FR (1) FR1602358A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171524A2 (en) * 1984-08-10 1986-02-19 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Device for controlling the level and the volume in an LF amplifier, and method for realising this device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171524A2 (en) * 1984-08-10 1986-02-19 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Device for controlling the level and the volume in an LF amplifier, and method for realising this device
DE3429508A1 (en) * 1984-08-10 1986-02-20 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth METHOD FOR LEVEL AND VOLUME ADJUSTMENT IN AN LF-AMPLIFIER AND ARRANGEMENT FOR IMPLEMENTING THE METHOD
EP0171524A3 (en) * 1984-08-10 1986-05-28 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Device for controlling the level and the volume in an lf amplifier, and method for realising this device

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Legal Events

Date Code Title Description
ST Notification of lapse