FR1010457A - Système de télévision - Google Patents

Système de télévision

Info

Publication number
FR1010457A
FR1010457A FR1010457DA FR1010457A FR 1010457 A FR1010457 A FR 1010457A FR 1010457D A FR1010457D A FR 1010457DA FR 1010457 A FR1010457 A FR 1010457A
Authority
FR
France
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR1010457A publication Critical patent/FR1010457A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/32—Velocity varied in dependence upon picture information
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/42—Image pick-up tubes having an input of visible light and electric output with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect, e.g. Farnsworth pick-up tube
    • H01J31/44—Tubes with image amplification section
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/36—Scanning of motion picture films, e.g. for telecine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
FR1010457D 1948-12-01 1948-08-20 Système de télévision Expired FR1010457A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837108X 1948-12-01

Publications (1)

Publication Number Publication Date
FR1010457A true FR1010457A (fr) 1952-06-11

Family

ID=9298437

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1010457D Expired FR1010457A (fr) 1948-12-01 1948-08-20 Système de télévision
FR1011071D Expired FR1011071A (fr) 1948-12-01 1948-12-01 Perfectionnements aux analyseurs différentiels de télécinéma

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1011071D Expired FR1011071A (fr) 1948-12-01 1948-12-01 Perfectionnements aux analyseurs différentiels de télécinéma

Country Status (3)

Country Link
DE (1) DE837108C (fr)
FR (2) FR1010457A (fr)
GB (1) GB659596A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3240872A (en) * 1961-08-28 1966-03-15 Burroughs Corp Scan control apparatus for character recognition devices
CN110783159B (zh) * 2019-10-31 2021-11-19 北方夜视技术股份有限公司 一种低背景反射扫描变像管及其制作方法

Also Published As

Publication number Publication date
FR1011071A (fr) 1952-06-18
DE837108C (de) 1952-04-21
GB659596A (en) 1951-10-24

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