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FR953695A - Cathode enhancements - Google Patents

Cathode enhancements

Info

Publication number
FR953695A
FR953695A FR953695DA FR953695A FR 953695 A FR953695 A FR 953695A FR 953695D A FR953695D A FR 953695DA FR 953695 A FR953695 A FR 953695A
Authority
FR
France
Prior art keywords
enhancements
cathode
cathode enhancements
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 FR953695A publication Critical patent/FR953695A/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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR953695D 1942-08-01 1947-10-02 Cathode enhancements Expired FR953695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US453158A US2416566A (en) 1942-08-01 1942-08-01 Cathode

Publications (1)

Publication Number Publication Date
FR953695A true FR953695A (en) 1949-12-12

Family

ID=23799408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953695D Expired FR953695A (en) 1942-08-01 1947-10-02 Cathode enhancements

Country Status (2)

Country Link
US (1) US2416566A (en)
FR (1) FR953695A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695442A (en) * 1947-08-26 1954-11-30 Hartford Nat Bank & Trust Co Method of manufacturing electric discharge tubes
US2604599A (en) * 1949-09-17 1952-07-22 Sylvania Electric Prod Cathode-ray tube
US3109119A (en) * 1960-09-26 1963-10-29 Machlett Lab Inc Electron tube with flexible grid supporting structrue
US3215884A (en) * 1961-04-27 1965-11-02 Gen Electric Cathode support structure
US3783330A (en) * 1971-04-02 1974-01-01 Mitsubishi Electric Corp Direct heated cathode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1886705A (en) * 1926-02-06 1932-11-08 Arsene N Lucian Indirect electron excitation for thermionic vacuum tubes
US2146365A (en) * 1934-12-13 1939-02-07 John C Batchelor Electron emitter
US2134348A (en) * 1935-03-21 1938-10-25 Philips Nv High tension discharge tube
US2151803A (en) * 1935-11-07 1939-03-28 Rca Corp Cathode for electron discharge devices
US2242644A (en) * 1937-06-07 1941-05-20 Rca Corp Luminescent screen
US2244358A (en) * 1939-12-30 1941-06-03 Rca Corp Thermionic cathode assembly

Also Published As

Publication number Publication date
US2416566A (en) 1947-02-25

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