ES326941A1 - Dispositivo de mando automatico de ganancia de un amplificador con transistores. - Google Patents

Dispositivo de mando automatico de ganancia de un amplificador con transistores.

Info

Publication number
ES326941A1
ES326941A1 ES0326941A ES326941A ES326941A1 ES 326941 A1 ES326941 A1 ES 326941A1 ES 0326941 A ES0326941 A ES 0326941A ES 326941 A ES326941 A ES 326941A ES 326941 A1 ES326941 A1 ES 326941A1
Authority
ES
Spain
Prior art keywords
amplifier
translation
control device
machine
legally binding
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
ES0326941A
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
Publication of ES326941A1 publication Critical patent/ES326941A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H04N5/58—Control of contrast or brightness in dependence upon ambient light
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0047—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using photo-electric elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)
ES0326941A 1965-05-21 1966-05-20 Dispositivo de mando automatico de ganancia de un amplificador con transistores. Expired ES326941A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR17891A FR1444236A (fr) 1965-05-21 1965-05-21 Perfectionnements aux dispositifs de commande automatique de gain d'un amplificateurà transistors

Publications (1)

Publication Number Publication Date
ES326941A1 true ES326941A1 (es) 1967-03-16

Family

ID=9696149

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0326941A Expired ES326941A1 (es) 1965-05-21 1966-05-20 Dispositivo de mando automatico de ganancia de un amplificador con transistores.

Country Status (5)

Country Link
DE (1) DE1487256B2 (es)
ES (1) ES326941A1 (es)
FR (1) FR1444236A (es)
GB (1) GB1126958A (es)
OA (1) OA01954A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3937054C1 (en) * 1989-11-07 1991-05-29 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De Variable HF amplifier with negative feedback - comprises two emitter stages with feedback from second to first via variable resistor

Also Published As

Publication number Publication date
DE1487256A1 (de) 1969-04-30
OA01954A (fr) 1970-02-04
GB1126958A (en) 1968-09-11
DE1487256B2 (de) 1971-08-12
FR1444236A (fr) 1966-07-01

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