FR858530A - Amplifiers with automatic volume control - Google Patents

Amplifiers with automatic volume control

Info

Publication number
FR858530A
FR858530A FR858530DA FR858530A FR 858530 A FR858530 A FR 858530A FR 858530D A FR858530D A FR 858530DA FR 858530 A FR858530 A FR 858530A
Authority
FR
France
Prior art keywords
amplifiers
volume control
automatic volume
automatic
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
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR858530A publication Critical patent/FR858530A/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
    • H03G3/22—Automatic control in amplifiers having discharge tubes
FR858530D 1938-08-02 1939-07-31 Amplifiers with automatic volume control Expired FR858530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US858530XA 1938-08-02 1938-08-02

Publications (1)

Publication Number Publication Date
FR858530A true FR858530A (en) 1940-11-27

Family

ID=22194393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858530D Expired FR858530A (en) 1938-08-02 1939-07-31 Amplifiers with automatic volume control

Country Status (1)

Country Link
FR (1) FR858530A (en)

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