FR867295A - Electronic discharge devices - Google Patents

Electronic discharge devices

Info

Publication number
FR867295A
FR867295A FR867295DA FR867295A FR 867295 A FR867295 A FR 867295A FR 867295D A FR867295D A FR 867295DA FR 867295 A FR867295 A FR 867295A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867295A publication Critical patent/FR867295A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • 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
    • H01J31/30—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at anode potential, e.g. iconoscope
FR867295D 1939-07-28 1940-09-24 Electronic discharge devices Expired FR867295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21988/39A GB532717A (en) 1939-07-28 1939-07-28 Improvements in or relating to electron discharge apparatus using secondary emission

Publications (1)

Publication Number Publication Date
FR867295A true FR867295A (en) 1941-10-10

Family

ID=10172112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867295D Expired FR867295A (en) 1939-07-28 1940-09-24 Electronic discharge devices

Country Status (4)

Country Link
US (1) US2585057A (en)
BE (1) BE477662A (en)
FR (1) FR867295A (en)
GB (1) GB532717A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899577A (en) * 1957-03-27 1959-08-11 Electron discharge device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1704155A (en) * 1923-07-27 1929-03-05 Albert G Thomas Vacuum tube
US2037352A (en) * 1929-01-12 1936-04-14 Rca Corp Electronic vacuum tube
GB511449A (en) * 1938-02-17 1939-08-18 Marconi Wireless Telegraph Co Improvements in or relating to electron discharge devices
NL52549C (en) * 1939-06-06
US2358542A (en) * 1940-07-26 1944-09-19 Rca Corp Currentless grid tube

Also Published As

Publication number Publication date
GB532717A (en) 1941-01-29
BE477662A (en)
US2585057A (en) 1952-02-12

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