FR856372A - Electron emitting cathode - Google Patents

Electron emitting cathode

Info

Publication number
FR856372A
FR856372A FR856372DA FR856372A FR 856372 A FR856372 A FR 856372A FR 856372D A FR856372D A FR 856372DA FR 856372 A FR856372 A FR 856372A
Authority
FR
France
Prior art keywords
electron emitting
emitting cathode
cathode
electron
emitting
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR856372A publication Critical patent/FR856372A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR856372D 1938-06-24 1939-06-15 Electron emitting cathode Expired FR856372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US215578A US2241345A (en) 1938-06-24 1938-06-24 Electron emissive cathode

Publications (1)

Publication Number Publication Date
FR856372A true FR856372A (en) 1940-06-12

Family

ID=22803529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856372D Expired FR856372A (en) 1938-06-24 1939-06-15 Electron emitting cathode

Country Status (4)

Country Link
US (1) US2241345A (en)
FR (1) FR856372A (en)
GB (1) GB530176A (en)
NL (1) NL65805C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477279A (en) * 1946-09-11 1949-07-26 Hanovia Chemical & Mfg Co Electrical discharge device
BE488975A (en) * 1948-05-14
BE502063A (en) * 1950-03-22
US2731581A (en) * 1950-12-18 1956-01-17 Krefft Hermann Eduard Electrode for gaseous discharge lamps
US2667592A (en) * 1951-01-11 1954-01-26 Hanovia Chemical & Mfg Co Electrode for compact type electrical discharge devices
US2682007A (en) * 1951-01-11 1954-06-22 Hanovia Chemical & Mfg Co Compact type electrical discharge device

Also Published As

Publication number Publication date
GB530176A (en) 1940-12-06
NL65805C (en)
US2241345A (en) 1941-05-06

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