FR671691A - Perfectionnements aux appareils de télévision - Google Patents

Perfectionnements aux appareils de télévision

Info

Publication number
FR671691A
FR671691A FR671691DA FR671691A FR 671691 A FR671691 A FR 671691A FR 671691D A FR671691D A FR 671691DA FR 671691 A FR671691 A FR 671691A
Authority
FR
France
Prior art keywords
television sets
television
sets
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
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR671691A publication Critical patent/FR671691A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR671691D 1928-03-20 1929-03-19 Perfectionnements aux appareils de télévision Expired FR671691A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263030A US1748883A (en) 1928-03-20 1928-03-20 Transmission of pictures

Publications (1)

Publication Number Publication Date
FR671691A true FR671691A (fr) 1929-12-16

Family

ID=23000080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671691D Expired FR671691A (fr) 1928-03-20 1929-03-19 Perfectionnements aux appareils de télévision

Country Status (5)

Country Link
US (1) US1748883A (fr)
BE (1) BE359126A (fr)
DE (1) DE498145C (fr)
FR (1) FR671691A (fr)
GB (1) GB308277A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480571A (en) * 1940-09-07 1949-08-30 Columbia Broadcasting Syst Inc Color television
US2636602A (en) * 1947-06-18 1953-04-28 U D Engineering Company Ltd Apparatus for detecting the presence of foreign bodies on the bottoms of transparent vessels
US3223777A (en) * 1962-11-26 1965-12-14 Jack A Crawford Scanner system
US8434238B2 (en) * 2007-06-29 2013-05-07 Andis Company Hair dryer with light source

Also Published As

Publication number Publication date
BE359126A (fr)
GB308277A (fr) 1929-11-21
US1748883A (en) 1930-02-25
DE498145C (de) 1930-05-19

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