FR1042804A - Circuit électrique de commande - Google Patents

Circuit électrique de commande

Info

Publication number
FR1042804A
FR1042804A FR1042804DA FR1042804A FR 1042804 A FR1042804 A FR 1042804A FR 1042804D A FR1042804D A FR 1042804DA FR 1042804 A FR1042804 A FR 1042804A
Authority
FR
France
Prior art keywords
control circuit
electric control
electric
circuit
control
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1042804A publication Critical patent/FR1042804A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Feedback Control In General (AREA)
  • Picture Signal Circuits (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Television Receiver Circuits (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Turbines (AREA)
FR1042804D 1950-03-22 1951-03-22 Circuit électrique de commande Expired FR1042804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7106/50A GB702325A (en) 1950-03-22 1950-03-22 Improvements in or relating to electrical control circuits

Publications (1)

Publication Number Publication Date
FR1042804A true FR1042804A (fr) 1953-11-04

Family

ID=40626970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042804D Expired FR1042804A (fr) 1950-03-22 1951-03-22 Circuit électrique de commande

Country Status (4)

Country Link
DE (2) DE912701C (fr)
FR (1) FR1042804A (fr)
GB (2) GB702325A (fr)
NL (1) NL89009C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878326A (en) * 1955-09-16 1959-03-17 Bendix Aviat Corp Amplitude selective translation circuit
BE565503A (fr) * 1957-03-09
GB927993A (en) * 1961-03-10 1963-06-06 Emi Ltd Improvements relating to non-linear electrical circuits

Also Published As

Publication number Publication date
GB702359A (en) 1954-01-13
DE912701C (de) 1954-06-03
DE888263C (de) 1953-08-31
NL89009C (fr) 1958-04-15
GB702325A (en) 1954-01-13

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