BE383814A - - Google Patents

Info

Publication number
BE383814A
BE383814A BE383814DA BE383814A BE 383814 A BE383814 A BE 383814A BE 383814D A BE383814D A BE 383814DA BE 383814 A BE383814 A BE 383814A
Authority
BE
Belgium
Prior art keywords
frequency
synchronization
load
generator
drive motor
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE383814A publication Critical patent/BE383814A/fr
Priority claimed from US492535A external-priority patent/US1902486A/en

Links

Classifications

    • 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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0607Scanning a concave surface, e.g. with internal drum type scanners
    • H04N1/0621Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction
    • H04N1/0628Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction using several scanning heads circumferentially spaced from one another and circumferentially aligned, e.g. mounted on a rotating disk
    • 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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0607Scanning a concave surface, e.g. with internal drum type scanners
    • 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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0607Scanning a concave surface, e.g. with internal drum type scanners
    • H04N1/0621Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction
    • H04N1/0635Scanning a concave surface, e.g. with internal drum type scanners using a picture-bearing surface stationary in the main-scanning direction using oscillating or rotating mirrors
    • 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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/16Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning using a rotating helical element
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • 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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE383814D 1928-01-23 BE383814A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24973128A 1928-01-23 1928-01-23
US383814XA 1930-10-06 1930-10-06
US492535A US1902486A (en) 1930-10-31 1930-10-31 Picture transmission

Publications (1)

Publication Number Publication Date
BE383814A true BE383814A (enrdf_load_stackoverflow)

Family

ID=27365377

Family Applications (1)

Application Number Title Priority Date Filing Date
BE383814D BE383814A (enrdf_load_stackoverflow) 1928-01-23

Country Status (1)

Country Link
BE (1) BE383814A (enrdf_load_stackoverflow)

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