FR938873A - Electrodes for electronic discharge devices - Google Patents

Electrodes for electronic discharge devices

Info

Publication number
FR938873A
FR938873A FR938873DA FR938873A FR 938873 A FR938873 A FR 938873A FR 938873D A FR938873D A FR 938873DA FR 938873 A FR938873 A FR 938873A
Authority
FR
France
Prior art keywords
electrodes
discharge devices
electronic discharge
electronic
devices
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)
Inventor
William Widmaier
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR938873A publication Critical patent/FR938873A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
FR938873D 1945-08-30 1946-12-06 Electrodes for electronic discharge devices Expired FR938873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US613455A US2426255A (en) 1945-08-30 1945-08-30 Cathode for electron discharge devices

Publications (1)

Publication Number Publication Date
FR938873A true FR938873A (en) 1948-10-27

Family

ID=24457385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938873D Expired FR938873A (en) 1945-08-30 1946-12-06 Electrodes for electronic discharge devices

Country Status (7)

Country Link
US (1) US2426255A (en)
BE (1) BE472665A (en)
CH (1) CH265652A (en)
ES (1) ES176810A1 (en)
FR (1) FR938873A (en)
GB (1) GB616712A (en)
NL (1) NL66444C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE965856C (en) * 1952-09-17 1957-06-27 Licentia Gmbh Incandescent cathode tubes with steam or gas filling and oxide cathode
DE1018164B (en) * 1952-12-04 1957-10-24 Siemens Ag Gas discharge tubes
DE1022699B (en) * 1956-04-27 1958-01-16 Siemens Ag Gas or vapor-filled electrical discharge vessel with a long service life with a heatable oxide cathode made of nickel and an electron-emitting coating applied to nickel
JPS5451776A (en) * 1977-10-03 1979-04-23 Nippon Hoso Kyokai <Nhk> Gas discharge display panel
US6519386B1 (en) * 1998-01-30 2003-02-11 Coretek, Inc. Light coupling apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1913432A (en) * 1931-06-11 1933-06-13 Bell Telephone Labor Inc Electric discharge device
NL52447C (en) * 1938-02-04

Also Published As

Publication number Publication date
ES176810A1 (en) 1947-03-16
US2426255A (en) 1947-08-26
GB616712A (en) 1949-01-26
NL66444C (en)
CH265652A (en) 1949-12-15
BE472665A (en)

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