FR1104378A - Improvements to electronic guns - Google Patents

Improvements to electronic guns

Info

Publication number
FR1104378A
FR1104378A FR1104378DA FR1104378A FR 1104378 A FR1104378 A FR 1104378A FR 1104378D A FR1104378D A FR 1104378DA FR 1104378 A FR1104378 A FR 1104378A
Authority
FR
France
Prior art keywords
electronic guns
guns
electronic
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1104378A publication Critical patent/FR1104378A/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
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems
FR1104378D 1953-03-18 1954-03-16 Improvements to electronic guns Expired FR1104378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US343195A US2723362A (en) 1953-03-18 1953-03-18 Electron gun of the ion trap type

Publications (1)

Publication Number Publication Date
FR1104378A true FR1104378A (en) 1955-11-18

Family

ID=23345079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1104378D Expired FR1104378A (en) 1953-03-18 1954-03-16 Improvements to electronic guns

Country Status (5)

Country Link
US (1) US2723362A (en)
BE (1) BE527357A (en)
FR (1) FR1104378A (en)
GB (1) GB747707A (en)
NL (1) NL87649C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL207373A (en) * 1953-05-30
US3119988A (en) * 1955-12-01 1964-01-28 Leonard D Barry Magnetic recorder for symbols
US2964880A (en) * 1956-05-25 1960-12-20 Fivre Valvole Radio Elett Spa Process for preparing glass elements
US3027479A (en) * 1958-06-27 1962-03-27 Rca Corp Electron guns

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2188579A (en) * 1933-05-27 1940-01-30 Loewe Radio Inc Cathode ray tube, more particularly for television purposes
DE973258C (en) * 1938-03-08 1959-12-31 Siemens Ag Magnetic pole shoe lens with a small focal length for electron-optical enlargements in electron microscopes
BE470212A (en) * 1946-01-24
US2496127A (en) * 1947-02-05 1950-01-31 Rca Corp Electron gun for cathode-ray tubes
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device

Also Published As

Publication number Publication date
BE527357A (en)
GB747707A (en) 1956-04-11
US2723362A (en) 1955-11-08
NL87649C (en)

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