FR1131428A - Mounting equivalent to a variable electric resistance - Google Patents

Mounting equivalent to a variable electric resistance

Info

Publication number
FR1131428A
FR1131428A FR1131428DA FR1131428A FR 1131428 A FR1131428 A FR 1131428A FR 1131428D A FR1131428D A FR 1131428DA FR 1131428 A FR1131428 A FR 1131428A
Authority
FR
France
Prior art keywords
electric resistance
variable electric
mounting equivalent
equivalent
mounting
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 FR1131428A publication Critical patent/FR1131428A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR1131428D 1953-12-04 1954-12-02 Mounting equivalent to a variable electric resistance Expired FR1131428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1131428X 1953-12-04

Publications (1)

Publication Number Publication Date
FR1131428A true FR1131428A (en) 1957-02-21

Family

ID=19869907

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131428D Expired FR1131428A (en) 1953-12-04 1954-12-02 Mounting equivalent to a variable electric resistance

Country Status (1)

Country Link
FR (1) FR1131428A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951995A (en) * 1956-10-02 1960-09-06 Philips Corp Circuit for controlling the resonance frequency of an oscillatory circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2951995A (en) * 1956-10-02 1960-09-06 Philips Corp Circuit for controlling the resonance frequency of an oscillatory circuit

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