CH295551A - Einrichtung zur Stabilisierung von Fernsehzeichen. - Google Patents

Einrichtung zur Stabilisierung von Fernsehzeichen.

Info

Publication number
CH295551A
CH295551A CH295551DA CH295551A CH 295551 A CH295551 A CH 295551A CH 295551D A CH295551D A CH 295551DA CH 295551 A CH295551 A CH 295551A
Authority
CH
Switzerland
Prior art keywords
stabilizing
television signals
television
signals
stabilizing television
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Hazeltine
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of CH295551A publication Critical patent/CH295551A/de

Links

Classifications

    • 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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
CH295551D 1950-01-21 1951-01-17 Einrichtung zur Stabilisierung von Fernsehzeichen. CH295551A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US139935A US2611029A (en) 1950-01-21 1950-01-21 Direct current restorer for maintaining constant black level at cathode-ray tube

Publications (1)

Publication Number Publication Date
CH295551A true CH295551A (de) 1953-12-31

Family

ID=22488964

Family Applications (1)

Application Number Title Priority Date Filing Date
CH295551D CH295551A (de) 1950-01-21 1951-01-17 Einrichtung zur Stabilisierung von Fernsehzeichen.

Country Status (6)

Country Link
US (1) US2611029A (de)
CH (1) CH295551A (de)
DE (1) DE918211C (de)
FR (1) FR1032742A (de)
GB (1) GB673807A (de)
NL (1) NL158676B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672505A (en) * 1950-06-13 1954-03-16 Avco Mfg Corp Black level shift compensating amplifier
US2752528A (en) * 1951-03-10 1956-06-26 Philco Corp Waveform control for television deflection system
DE1021884B (de) * 1952-11-04 1958-01-02 Fernseh Gmbh Schaltungsanordnung zur Steuerung von Kathodenstrahlroehren fuer Fernsehempfangszwecke
NL102097C (de) * 1955-09-15
US3476875A (en) * 1967-03-03 1969-11-04 Bell Telephone Labor Inc Digital clamping of pulse code modulated television signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB515426A (en) * 1938-05-30 1939-12-05 Ferranti Ltd Improvements in or relating to television receivers
US2259520A (en) * 1939-03-15 1941-10-21 Hazeltine Corp Television receiving apparatus
US2240281A (en) * 1939-04-04 1941-04-29 Rca Corp Automatic background control
US2463735A (en) * 1945-03-17 1949-03-08 Rca Corp Split channel direct-current insertion network

Also Published As

Publication number Publication date
GB673807A (en) 1952-06-11
US2611029A (en) 1952-09-16
DE918211C (de) 1954-09-20
FR1032742A (fr) 1953-07-03
NL158676B (nl)

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