FR718664A - Improvements in photo-telegraphy - Google Patents

Improvements in photo-telegraphy

Info

Publication number
FR718664A
FR718664A FR718664DA FR718664A FR 718664 A FR718664 A FR 718664A FR 718664D A FR718664D A FR 718664DA FR 718664 A FR718664 A FR 718664A
Authority
FR
France
Prior art keywords
telegraphy
photo
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
John Henry Owen Harries
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
Application granted granted Critical
Publication of FR718664A publication Critical patent/FR718664A/en
Expired legal-status Critical Current

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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/17—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa the scanning speed being dependent on content of picture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Optical Scanning Systems (AREA)
FR718664D 1930-06-16 1931-06-15 Improvements in photo-telegraphy Expired FR718664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1835930A GB357144A (en) 1930-06-16 1930-06-16 Improvements in and relating to photo-telegraphy and the like

Publications (1)

Publication Number Publication Date
FR718664A true FR718664A (en) 1932-01-27

Family

ID=10111101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718664D Expired FR718664A (en) 1930-06-16 1931-06-15 Improvements in photo-telegraphy

Country Status (2)

Country Link
FR (1) FR718664A (en)
GB (1) GB357144A (en)

Also Published As

Publication number Publication date
GB357144A (en) 1931-09-16

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