FR682241A - Improvements in television processes and devices - Google Patents

Improvements in television processes and devices

Info

Publication number
FR682241A
FR682241A FR682241DA FR682241A FR 682241 A FR682241 A FR 682241A FR 682241D A FR682241D A FR 682241DA FR 682241 A FR682241 A FR 682241A
Authority
FR
France
Prior art keywords
devices
television processes
television
processes
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
Francois-Charles-Pie Henroteau
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 FR682241A publication Critical patent/FR682241A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/265—Image pick-up tubes having an input of visible light and electric output with light spot scanning
FR682241D 1929-06-04 1929-09-24 Improvements in television processes and devices Expired FR682241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17116/29A GB335958A (en) 1929-06-04 1929-06-04 Improvements in or relating to television

Publications (1)

Publication Number Publication Date
FR682241A true FR682241A (en) 1930-05-24

Family

ID=10089533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR682241D Expired FR682241A (en) 1929-06-04 1929-09-24 Improvements in television processes and devices

Country Status (3)

Country Link
US (1) US1903112A (en)
FR (1) FR682241A (en)
GB (1) GB335958A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773992A (en) * 1953-06-17 1956-12-11 Itt Display amplifier and method of making same

Also Published As

Publication number Publication date
GB335958A (en) 1930-10-06
US1903112A (en) 1933-03-28

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