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FR684014A - Improvements in light control systems, more particularly for use in transmission of images and the like - Google Patents

Improvements in light control systems, more particularly for use in transmission of images and the like

Info

Publication number
FR684014A
FR684014A FR684014DA FR684014A FR 684014 A FR684014 A FR 684014A FR 684014D A FR684014D A FR 684014DA FR 684014 A FR684014 A FR 684014A
Authority
FR
France
Prior art keywords
images
transmission
control systems
light control
systems
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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
Priority claimed from US316157A external-priority patent/US1811895A/en
Priority claimed from US349076A external-priority patent/US1789686A/en
Priority claimed from US360067A external-priority patent/US1789687A/en
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR684014A publication Critical patent/FR684014A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR684014D 1928-10-31 1929-10-28 Improvements in light control systems, more particularly for use in transmission of images and the like Expired FR684014A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US316157A US1811895A (en) 1928-10-31 1928-10-31 Light control system
US349076A US1789686A (en) 1929-03-22 1929-03-22 Light-chopping disk
US360067A US1789687A (en) 1929-05-03 1929-05-03 Analyzing system for multiplex facsimile transmission

Publications (1)

Publication Number Publication Date
FR684014A true FR684014A (en) 1930-06-20

Family

ID=27405848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684014D Expired FR684014A (en) 1928-10-31 1929-10-28 Improvements in light control systems, more particularly for use in transmission of images and the like

Country Status (2)

Country Link
FR (1) FR684014A (en)
NL (1) NL33050C (en)

Also Published As

Publication number Publication date
NL33050C (en)

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