NL7004030A - - Google Patents

Info

Publication number
NL7004030A
NL7004030A NL7004030A NL7004030A NL7004030A NL 7004030 A NL7004030 A NL 7004030A NL 7004030 A NL7004030 A NL 7004030A NL 7004030 A NL7004030 A NL 7004030A NL 7004030 A NL7004030 A NL 7004030A
Authority
NL
Netherlands
Application number
NL7004030A
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 NL7004030A publication Critical patent/NL7004030A/xx

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
    • H04N5/14—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
    • 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
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
NL7004030A 1969-03-21 1970-03-20 NL7004030A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80917869A 1969-03-21 1969-03-21

Publications (1)

Publication Number Publication Date
NL7004030A true NL7004030A (enExample) 1970-09-23

Family

ID=25200717

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7004030A NL7004030A (enExample) 1969-03-21 1970-03-20

Country Status (4)

Country Link
US (1) US3582545A (enExample)
FR (1) FR2035161B1 (enExample)
GB (1) GB1289286A (enExample)
NL (1) NL7004030A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293874A (en) * 1980-02-04 1981-10-06 Zenith Radio Corporation DC Restoration circuit for television receiver
US4730210A (en) * 1985-08-14 1988-03-08 Zenith Electronics Corporation Wideband analog RGB video processor with negative feedback capability and black level control
US4688097A (en) * 1986-10-30 1987-08-18 Jerrold Electronics Corp. D.C.-coupled video clamping circuit
US4802024A (en) * 1986-11-12 1989-01-31 Eastman Kodak Company Video reproduction apparatus having automatic black and white calibration
US5390020A (en) * 1992-09-14 1995-02-14 Eastman Kodak Company Video amplifier stabilization for CRT printing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572179A (en) * 1949-05-24 1951-10-23 Philco Corp Peak leveling circuit
US2850627A (en) * 1952-12-08 1958-09-02 Philco Corp System for maintaining predetermined portions of a signal at a predetermined value
US2875332A (en) * 1953-12-01 1959-02-24 Rca Corp Stabilized clipper and clamp circuits
GB932173A (en) * 1960-05-23 1963-07-24 Gen Precision Inc Sub-miniature gyro
DE1172300B (de) * 1962-07-11 1964-06-18 Fernseh Gmbh Verfahren und Schaltungsanordnung zur UEbertragung eines Videosignals
GB1027249A (en) * 1963-10-08 1966-04-27 Thorn Electronics Ltd Improvements in voltage clamps

Also Published As

Publication number Publication date
DE2013217A1 (de) 1970-10-01
DE2013217B2 (de) 1977-04-07
GB1289286A (enExample) 1972-09-13
US3582545A (en) 1971-06-01
FR2035161A1 (enExample) 1970-12-18
FR2035161B1 (enExample) 1976-05-28

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Legal Events

Date Code Title Description
BV The patent application has lapsed