FR781693A - Improvements to TV transmitters and similar devices - Google Patents

Improvements to TV transmitters and similar devices

Info

Publication number
FR781693A
FR781693A FR781693DA FR781693A FR 781693 A FR781693 A FR 781693A FR 781693D A FR781693D A FR 781693DA FR 781693 A FR781693 A FR 781693A
Authority
FR
France
Prior art keywords
transmitters
similar devices
similar
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)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR781693A publication Critical patent/FR781693A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/39—Charge-storage screens
    • H01J29/43—Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope
    • 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
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
FR781693D 1933-12-06 1934-11-22 Improvements to TV transmitters and similar devices Expired FR781693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34346/33A GB426505A (en) 1933-12-06 1933-12-06 Improvements in or relating to television transmitting and the like systems

Publications (1)

Publication Number Publication Date
FR781693A true FR781693A (en) 1935-05-20

Family

ID=10364498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781693D Expired FR781693A (en) 1933-12-06 1934-11-22 Improvements to TV transmitters and similar devices

Country Status (5)

Country Link
US (1) US2153163A (en)
DE (1) DE755286C (en)
FR (1) FR781693A (en)
GB (1) GB426505A (en)
NL (1) NL41920C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892144C (en) * 1935-11-14 1953-10-05 Fernseh Gmbh Electron beam tube with photocell mosaic

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739261C (en) * 1937-05-15 1943-09-16 Rca Corp Operating method for a cathode ray transmitter tube with a mosaic screen and a fused-on secondary electron multiplier
US2540490A (en) * 1948-03-29 1951-02-06 Philips Lab Inc Electron device with semiconductive target
US2588292A (en) * 1950-04-20 1952-03-04 Philips Lab Inc Electron switching tubes and circuits therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1691324A (en) * 1925-07-13 1928-11-13 Westinghouse Electric & Mfg Co Television system
AT127557B (en) * 1928-04-25 1932-04-11 Riccardo Bruni Electric television.
GB335995A (en) * 1929-06-04 1930-10-06 Francois Charles Pierre Henrot Improvements in or relating to television

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892144C (en) * 1935-11-14 1953-10-05 Fernseh Gmbh Electron beam tube with photocell mosaic

Also Published As

Publication number Publication date
GB426505A (en) 1935-04-04
DE755286C (en) 1952-05-19
US2153163A (en) 1939-04-04
NL41920C (en)

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