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FR676927A - Improvements to television and telephotography devices - Google Patents

Improvements to television and telephotography devices

Info

Publication number
FR676927A
FR676927A FR676927DA FR676927A FR 676927 A FR676927 A FR 676927A FR 676927D A FR676927D A FR 676927DA FR 676927 A FR676927 A FR 676927A
Authority
FR
France
Prior art keywords
telephotography
television
devices
telephotography devices
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
Coryton Ernest Carr Roberts
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 FR676927A publication Critical patent/FR676927A/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
    • H01J31/42—Image pick-up tubes having an input of visible light and electric output with image screen generating a composite electron beam which is deflected as a whole past a stationary probe to simulate a scanning effect, e.g. Farnsworth pick-up tube
FR676927D 1928-06-22 1929-06-20 Improvements to television and telephotography devices Expired FR676927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1817128A GB318331A (en) 1928-06-22 1928-06-22 Improvements in television and telephotographic apparatus

Publications (1)

Publication Number Publication Date
FR676927A true FR676927A (en) 1930-02-28

Family

ID=10107856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676927D Expired FR676927A (en) 1928-06-22 1929-06-20 Improvements to television and telephotography devices

Country Status (3)

Country Link
BE (1) BE361772A (en)
FR (1) FR676927A (en)
GB (1) GB318331A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49871C (en) * 1934-05-09
DE759354C (en) * 1935-10-26 1955-08-11 Opta Radio A G Facility with picture catcher tube
US2422937A (en) * 1943-12-03 1947-06-24 Rauland Corp Tube for color television
US2644031A (en) * 1949-04-22 1953-06-30 Time Inc Scanning device

Also Published As

Publication number Publication date
GB318331A (en) 1929-09-05
BE361772A (en)

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