FR814076A - Incandescent cathode for electron ray tubes - Google Patents

Incandescent cathode for electron ray tubes

Info

Publication number
FR814076A
FR814076A FR814076DA FR814076A FR 814076 A FR814076 A FR 814076A FR 814076D A FR814076D A FR 814076DA FR 814076 A FR814076 A FR 814076A
Authority
FR
France
Prior art keywords
ray tubes
electron ray
incandescent cathode
incandescent
cathode
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR814076A publication Critical patent/FR814076A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR814076D 1935-11-16 1936-11-16 Incandescent cathode for electron ray tubes Expired FR814076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE489028X 1935-11-16

Publications (1)

Publication Number Publication Date
FR814076A true FR814076A (en) 1937-06-14

Family

ID=6543898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814076D Expired FR814076A (en) 1935-11-16 1936-11-16 Incandescent cathode for electron ray tubes

Country Status (3)

Country Link
US (1) US2173498A (en)
FR (1) FR814076A (en)
GB (1) GB489028A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732511A (en) * 1953-04-03 1956-01-24 Dichter
US2806163A (en) * 1954-08-18 1957-09-10 Rca Corp Triple gun for color television
US2919380A (en) * 1957-07-23 1959-12-29 Philco Corp Electron discharge devices
US3065368A (en) * 1957-12-27 1962-11-20 Westinghouse Electric Corp Cathode ray device
US3065376A (en) * 1958-07-14 1962-11-20 Westinghouse Electric Corp Electron beam device
US3065375A (en) * 1958-07-14 1962-11-20 Westinghouse Electric Corp Cathode ray device
NL98369C (en) * 1958-07-17
US3015749A (en) * 1958-07-17 1962-01-02 Philips Corp High transconductance cathoderay tube
US3004186A (en) * 1958-09-17 1961-10-10 Zenith Radio Corp Cathode-ray tube arrangement
US2971108A (en) * 1958-09-26 1961-02-07 Sylvania Electric Prod Electron discharge device
US3016471A (en) * 1959-06-04 1962-01-09 Sylvania Electric Prod Cathode ray tube structure

Also Published As

Publication number Publication date
US2173498A (en) 1939-09-19
GB489028A (en) 1938-07-18

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