FR1144663A - Amplificateur à transistor - Google Patents

Amplificateur à transistor

Info

Publication number
FR1144663A
FR1144663A FR1144663DA FR1144663A FR 1144663 A FR1144663 A FR 1144663A FR 1144663D A FR1144663D A FR 1144663DA FR 1144663 A FR1144663 A FR 1144663A
Authority
FR
France
Prior art keywords
transistor amplifier
amplifier
transistor
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
English (en)
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 FR1144663A publication Critical patent/FR1144663A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/46—Volume control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Toys (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplifiers (AREA)
FR1144663D 1954-12-13 1955-12-12 Amplificateur à transistor Expired FR1144663A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL337573X 1954-12-13

Publications (1)

Publication Number Publication Date
FR1144663A true FR1144663A (fr) 1957-10-16

Family

ID=19784593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144663D Expired FR1144663A (fr) 1954-12-13 1955-12-12 Amplificateur à transistor

Country Status (7)

Country Link
JP (1) JPS335064B1 (xx)
BE (1) BE543553A (xx)
CH (1) CH337573A (xx)
DE (1) DE1046100B (xx)
FR (1) FR1144663A (xx)
GB (1) GB828688A (xx)
NL (2) NL107295C (xx)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB697851A (en) * 1950-06-06 1953-09-30 British Thomson Houston Co Ltd Improvements relating to the utilisation of the photo-electric effect in semi-conductors

Also Published As

Publication number Publication date
GB828688A (en) 1960-02-24
NL193174A (xx)
CH337573A (de) 1959-04-15
DE1046100B (de) 1958-12-11
BE543553A (xx)
JPS335064B1 (xx) 1968-07-08
NL107295C (xx)

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