FR819015A - Incandescent cathode for cathode ray tubes - Google Patents

Incandescent cathode for cathode ray tubes

Info

Publication number
FR819015A
FR819015A FR819015DA FR819015A FR 819015 A FR819015 A FR 819015A FR 819015D A FR819015D A FR 819015DA FR 819015 A FR819015 A FR 819015A
Authority
FR
France
Prior art keywords
cathode
incandescent
ray tubes
cathode ray
tubes
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 FR819015A publication Critical patent/FR819015A/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
    • H01J29/485—Construction of the gun or of parts thereof
FR819015D 1936-03-12 1937-03-10 Incandescent cathode for cathode ray tubes Expired FR819015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE491874X 1936-03-12

Publications (1)

Publication Number Publication Date
FR819015A true FR819015A (en) 1937-10-08

Family

ID=6544329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819015D Expired FR819015A (en) 1936-03-12 1937-03-10 Incandescent cathode for cathode ray tubes

Country Status (3)

Country Link
US (1) US2227017A (en)
FR (1) FR819015A (en)
GB (1) GB491874A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759555C (en) * 1939-11-17 1953-02-09 Siemens & Halske A G Electron beam oscilloscope
US2425738A (en) * 1941-10-23 1947-08-19 Sperry Gyroscope Co Inc Tunable high-frequency electron tube structure
US2432037A (en) * 1943-08-20 1947-12-02 Kreisler Mfg Corp Jacques Electron gun positioning means
US2509702A (en) * 1947-01-14 1950-05-30 Eureka Television And Tube Cor Cathode for thermionic valves
US2609518A (en) * 1947-11-15 1952-09-02 Hartford Nat Bank & Trust Co Electron discharge tube having a disk-shaped cathode
US2527127A (en) * 1948-12-24 1950-10-24 Bell Telephone Labor Inc Electronic discharge device
US2727433A (en) * 1951-06-08 1955-12-20 Raymond T Moloney Score projector with shiftable optical system
US2897396A (en) * 1955-05-10 1959-07-28 Vakutronik Veb Electron emitting system
US3461338A (en) * 1967-01-16 1969-08-12 Ibm Non-inductive filament configuration
DE1933309B2 (en) * 1969-07-01 1971-05-06 INDIRECTLY HEATED GLOW CATHODE

Also Published As

Publication number Publication date
GB491874A (en) 1938-09-12
US2227017A (en) 1940-12-31

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