FR863009A - Amplification control device, especially in radio receivers and amplifiers - Google Patents

Amplification control device, especially in radio receivers and amplifiers

Info

Publication number
FR863009A
FR863009A FR863009DA FR863009A FR 863009 A FR863009 A FR 863009A FR 863009D A FR863009D A FR 863009DA FR 863009 A FR863009 A FR 863009A
Authority
FR
France
Prior art keywords
amplifiers
control device
radio receivers
amplification control
amplification
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR863009A publication Critical patent/FR863009A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/10Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression
FR863009D 1939-01-24 1940-01-22 Amplification control device, especially in radio receivers and amplifiers Expired FR863009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE863009X 1939-01-24

Publications (1)

Publication Number Publication Date
FR863009A true FR863009A (en) 1941-03-21

Family

ID=6800089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863009D Expired FR863009A (en) 1939-01-24 1940-01-22 Amplification control device, especially in radio receivers and amplifiers

Country Status (1)

Country Link
FR (1) FR863009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582100A (en) * 1943-03-03 1952-01-08 Hartford Nat Bank & Trust Co Reflex amplifier circuit for radio receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582100A (en) * 1943-03-03 1952-01-08 Hartford Nat Bank & Trust Co Reflex amplifier circuit for radio receivers

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