FR49877E - Electron gun system for cathode ray tubes - Google Patents

Electron gun system for cathode ray tubes

Info

Publication number
FR49877E
FR49877E FR49877DA FR49877E FR 49877 E FR49877 E FR 49877E FR 49877D A FR49877D A FR 49877DA FR 49877 E FR49877 E FR 49877E
Authority
FR
France
Prior art keywords
cathode ray
electron gun
ray tubes
gun system
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR49877E publication Critical patent/FR49877E/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
FR49877D 1937-10-16 1938-10-11 Electron gun system for cathode ray tubes Expired FR49877E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US169423A US2217198A (en) 1937-10-16 1937-10-16 Cathode ray device

Publications (1)

Publication Number Publication Date
FR49877E true FR49877E (en) 1939-08-22

Family

ID=22615619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49877D Expired FR49877E (en) 1937-10-16 1938-10-11 Electron gun system for cathode ray tubes

Country Status (3)

Country Link
US (1) US2217198A (en)
FR (1) FR49877E (en)
GB (1) GB520187A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449536A (en) * 1940-01-15 1948-09-14 Wolff Hanns-Heinz Electrical light impulse generator
US2463632A (en) * 1944-08-11 1949-03-08 Hartford Nat Bank & Trust Co Variable electronic capacitance device
US2609423A (en) * 1945-04-11 1952-09-02 Cathodeon Ltd Electrical apparatus for vacuum measurement
US2460381A (en) * 1946-02-07 1949-02-01 Rca Corp Multiplier unit and supporting means
US2585798A (en) * 1949-12-22 1952-02-12 Rca Corp Beam deflection tube amplifier
US2843777A (en) * 1954-01-28 1958-07-15 Rauland Corp Cathode-ray tubes
US2880341A (en) * 1955-03-14 1959-03-31 Kaiser Ind Corp Facsimile tube
US2808527A (en) * 1955-11-22 1957-10-01 Gen Electric Cathode support strap
US3278837A (en) * 1962-06-27 1966-10-11 Lion Res Corp Ion-gauge out-gassing and pressuremeasuring switching circuit
US3354335A (en) * 1964-11-02 1967-11-21 Stromberg Carlson Corp Electron gun construction for shapedbeam cathode-ray tubes providing variable beam size

Also Published As

Publication number Publication date
GB520187A (en) 1940-04-17
US2217198A (en) 1940-10-08

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