FR822037A - Electronic discharge devices - Google Patents

Electronic discharge devices

Info

Publication number
FR822037A
FR822037A FR822037DA FR822037A FR 822037 A FR822037 A FR 822037A FR 822037D A FR822037D A FR 822037DA FR 822037 A FR822037 A FR 822037A
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 FR822037A publication Critical patent/FR822037A/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
FR822037D 1936-08-20 1937-05-20 Electronic discharge devices Expired FR822037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96925A US2185283A (en) 1936-08-20 1936-08-20 Cathode ray discharge device

Publications (1)

Publication Number Publication Date
FR822037A true FR822037A (en) 1937-12-18

Family

ID=22259753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822037D Expired FR822037A (en) 1936-08-20 1937-05-20 Electronic discharge devices

Country Status (3)

Country Link
US (1) US2185283A (en)
FR (1) FR822037A (en)
GB (1) GB481549A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB749058A (en) * 1952-12-24 1956-05-16 Cathodeon Ltd Improvements in or relating to television pick-up tubes
US3143681A (en) * 1959-12-07 1964-08-04 Gen Electric Spiral electrostatic electron lens

Also Published As

Publication number Publication date
GB481549A (en) 1938-03-14
US2185283A (en) 1940-01-02

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