FR638661A - Improvements to methods and apparatus for radiovision - Google Patents

Improvements to methods and apparatus for radiovision

Info

Publication number
FR638661A
FR638661A FR638661DA FR638661A FR 638661 A FR638661 A FR 638661A FR 638661D A FR638661D A FR 638661DA FR 638661 A FR638661 A FR 638661A
Authority
FR
France
Prior art keywords
radiovision
methods
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.)
Societe des Etablissements Edouard Belin SA
Original Assignee
Societe des Etablissements Edouard Belin 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 Societe des Etablissements Edouard Belin SA filed Critical Societe des Etablissements Edouard Belin SA
Application granted granted Critical
Publication of FR638661A publication Critical patent/FR638661A/en
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
    • H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/187—Luminescent screens screens with more than one luminescent material (as mixtures for the treatment of the screens)

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR638661D 1926-10-28 1926-10-28 Improvements to methods and apparatus for radiovision Expired FR638661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638661T 1926-10-28

Publications (1)

Publication Number Publication Date
FR638661A true FR638661A (en) 1928-05-31

Family

ID=8996155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638661D Expired FR638661A (en) 1926-10-28 1926-10-28 Improvements to methods and apparatus for radiovision

Country Status (1)

Country Link
FR (1) FR638661A (en)

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