FR1094358A - Amplificateur de courant continu à éléments semi-conducteurs - Google Patents

Amplificateur de courant continu à éléments semi-conducteurs

Info

Publication number
FR1094358A
FR1094358A FR1094358DA FR1094358A FR 1094358 A FR1094358 A FR 1094358A FR 1094358D A FR1094358D A FR 1094358DA FR 1094358 A FR1094358 A FR 1094358A
Authority
FR
France
Prior art keywords
direct current
semiconductor element
current amplifier
element direct
amplifier
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1094358A publication Critical patent/FR1094358A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR1094358D 1952-11-06 1953-11-05 Amplificateur de courant continu à éléments semi-conducteurs Expired FR1094358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US319080A US2750453A (en) 1952-11-06 1952-11-06 Direct current amplifier

Publications (1)

Publication Number Publication Date
FR1094358A true FR1094358A (fr) 1955-05-20

Family

ID=23240775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1094358D Expired FR1094358A (fr) 1952-11-06 1953-11-05 Amplificateur de courant continu à éléments semi-conducteurs

Country Status (4)

Country Link
US (1) US2750453A (fr)
DE (1) DE1019348B (fr)
FR (1) FR1094358A (fr)
GB (1) GB729895A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2841746A (en) * 1955-05-19 1958-07-01 Rca Corp Protective circuit
US2876002A (en) * 1955-08-02 1959-03-03 Frederick A Purdy Control systems
US2931955A (en) * 1955-08-24 1960-04-05 Lewis Eng Co Instrument relay
US2902276A (en) * 1956-12-13 1959-09-01 Frederick A Purdy Door-operators and controls
US2973456A (en) * 1957-05-06 1961-02-28 Ca Nat Research Council Lamp flasher with daylight-responsive inhibiting means
US2976402A (en) * 1957-06-18 1961-03-21 Gen Railway Signal Co Control cirucit for a field start relay in a code type communication system
US2956179A (en) * 1957-12-16 1960-10-11 Simon J Yragui Transistor circuit having temperature compensating means
US2959709A (en) * 1958-06-17 1960-11-08 Television Utilities Corp Automatic headlight dimming system
NL255886A (fr) * 1959-09-15
US3212394A (en) * 1962-02-09 1965-10-19 Donald W Norwood Photoelectric device for comparing different light intensities characteristic of a photographic scene
AT255896B (de) * 1962-06-14 1967-07-25 Eastman Kodak Co Photographische Kamera
US3489499A (en) * 1965-12-27 1970-01-13 Polaroid Corp Photographic photometric apparatus
US3545870A (en) * 1965-12-27 1970-12-08 Polaroid Corp Photometric apparatus incorporating light responsive transistorized switching circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE611613C (de) * 1931-05-04 1935-04-04 Aeg Anordnung zur Verstaerkung der von einer lichtelektrischen Vorrichtung gelieferten Stroeme unter Verwendung einer mit der lichtelektrischen Vorrichtung in Verbindung stehenden Verstaerkerroehre
DE730243C (de) * 1939-10-29 1943-01-08 Telefunken Gmbh Mit einer oder mehreren Verstaerkerroehren zusammengebautes Mikrofon
US2585078A (en) * 1948-11-06 1952-02-12 Bell Telephone Labor Inc Negative resistance device utilizing semiconductor amplifier
US2609459A (en) * 1948-12-30 1952-09-02 Rca Corp High input impedance transistor amplifier
US2647958A (en) * 1949-10-25 1953-08-04 Bell Telephone Labor Inc Voltage and current bias of transistors
BE519804A (fr) * 1952-05-09

Also Published As

Publication number Publication date
GB729895A (en) 1955-05-11
US2750453A (en) 1956-06-12
DE1019348B (de) 1957-11-14

Similar Documents

Publication Publication Date Title
FR1087808A (fr) Amplificateur à transistrons
CH321681A (de) Halbleiterelement
FR68705E (fr) Transistron à jonction
FR1058626A (fr) Amplificateur stabilisé à transistrons
CH312400A (de) Hochspannungsschalter.
CH309325A (fr) Electrode photoconductrice.
FR1097338A (fr) Perfectionnements aux amplificateurs à courant continu à transistrons
CH361315A (de) Elektrisches Element
NL174892B (nl) Stroombegrenzingsinrichting.
FR1122638A (fr) Limiteur de courant
FR1052946A (fr) Amplificateur de courant continu
FR1159656A (fr) Amplificateur à courant continu
FR64521E (fr) Dynamo amplificatrice à courant continu
FR1064067A (fr) Amplificateur à courant continu
FR1181450A (fr) Amplificateur à courant continu
FR1062115A (fr) éléments chauffants électriques
FR1060949A (fr) Limiteur-régulateur de courant
FR1078054A (fr) Amplificateur de courant continu
FR1046005A (fr) Dynamo amplificatrice à courant continu
FR1207230A (fr) Amplificateur à répartition de courant
FR1122294A (fr) Amplificateur à courant continu
FR1110929A (fr) Amplificateurs à semi-conducteurs
FR1109759A (fr) Broyeur à cônes
FR1079029A (fr) Circuits limiteurs de courant
AT175604B (de) Verstärkerschaltung