NL51681C - - Google Patents

Info

Publication number
NL51681C
NL51681C NL51681DA NL51681C NL 51681 C NL51681 C NL 51681C NL 51681D A NL51681D A NL 51681DA NL 51681 C NL51681 C NL 51681C
Authority
NL
Netherlands
Application number
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.)
Publication of NL51681C publication Critical patent/NL51681C/xx
Priority claimed from GB11242/38A external-priority patent/GB521140A/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/202Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
NL51681D 1938-04-12 NL51681C (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2252263XA 1938-04-12 1938-04-12
GB11242/38A GB521140A (en) 1938-08-11 1938-08-11 Method and arrangement for the transmission of images, and in particular for the reproduction of images in colours

Publications (1)

Publication Number Publication Date
NL51681C true NL51681C (ru)

Family

ID=32071268

Family Applications (1)

Application Number Title Priority Date Filing Date
NL51681D NL51681C (ru) 1938-04-12

Country Status (2)

Country Link
US (1) US2252263A (ru)
NL (1) NL51681C (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE532483A (ru) * 1953-10-14
US4473849A (en) * 1981-12-21 1984-09-25 Image Resource Corporation System and apparatus for conversion of video signals to film images
JP6441197B2 (ja) * 2015-09-25 2018-12-19 矢崎総業株式会社 走査式プロジェクタシステム

Also Published As

Publication number Publication date
US2252263A (en) 1941-08-12

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