BE641583A - - Google Patents

Info

Publication number
BE641583A
BE641583A BE641583A BE641583A BE641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A
Authority
BE
Belgium
Application number
BE641583A
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 filed Critical
Publication of BE641583A publication Critical patent/BE641583A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • 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
    • 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)
  • Processing Of Color Television Signals (AREA)
BE641583A 1962-12-20 1963-12-20 BE641583A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246198A US3204027A (en) 1962-12-20 1962-12-20 Contrast control circuit

Publications (1)

Publication Number Publication Date
BE641583A true BE641583A (de) 1964-06-22

Family

ID=22929676

Family Applications (1)

Application Number Title Priority Date Filing Date
BE641583A BE641583A (de) 1962-12-20 1963-12-20

Country Status (5)

Country Link
US (1) US3204027A (de)
BE (1) BE641583A (de)
CH (1) CH418406A (de)
DE (1) DE1278483B (de)
NL (1) NL302286A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466390A (en) * 1964-03-24 1969-09-09 Tokyo Shibaura Electric Co Protective device for transistor televisions
US3724589A (en) * 1969-05-26 1973-04-03 Schlumberger Technology Corp Well logging methods and apparatus
US3760099A (en) * 1971-11-01 1973-09-18 Tektronix Inc Video amplifier for a color television apparatus
US3790706A (en) * 1972-05-25 1974-02-05 Boeing Co Automatic video contrast control circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601171A (en) * 1945-06-30 1948-04-29 Eric Parker Improvements in or relating to electronic amplifiers
US2724738A (en) * 1949-07-02 1955-11-22 Pye Ltd Black and white signal limiter
GB754611A (en) * 1953-08-14 1956-08-08 Fernseh Gmbh Improvements in or relating to television pick-up apparatus
US2898457A (en) * 1954-11-30 1959-08-04 Underwood Corp Amplifier circuit
NL200706A (de) * 1955-01-12
US2970188A (en) * 1955-06-29 1961-01-31 Motorola Inc Television receiver
US2911464A (en) * 1955-11-16 1959-11-03 Muirhead & Co Ltd Facsimile telegraph systems
US2999127A (en) * 1957-10-14 1961-09-05 Philco Corp Amplitude selective amplifying system
DE1114219B (de) * 1960-03-12 1961-09-28 Arnstadt Fernmeldewerk Schaltungsanordnung zur Konstanthaltung der Differenz zwischen Weiss- und Schwarzspannung in fotoelektrisch gesteuerten Faksimilesendern

Also Published As

Publication number Publication date
NL302286A (de) 1965-10-11
US3204027A (en) 1965-08-31
DE1278483B (de) 1968-09-26
CH418406A (de) 1966-08-15

Similar Documents

Publication Publication Date Title
BE629322A (de)
BE626774A (de)
BE630318A (de)
BE630247A (de)
BE633715A (de)
BE630439A (de)
BE633433A (de)
BE629928A (de)
BE625094A (de)
BE630533A (de)
NL302286A (de)
BE627892A (de)
BE626913A (de)
BE632781A (de)
BE612847A (de)
BE631591A (de)
BE633378A (de)
BE633621A (de)
BE614532A (de)
BE627044A (de)
BE631902A (de)
BE632887A (de)
BE631385A (de)
BE630081A (de)
BE631105A (de)