FR915556A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR915556A
FR915556A FR915556DA FR915556A FR 915556 A FR915556 A FR 915556A FR 915556D A FR915556D A FR 915556DA FR 915556 A FR915556 A FR 915556A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR915556A publication Critical patent/FR915556A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
FR915556D 1943-12-31 1945-10-05 Electric discharge tube Expired FR915556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL630621X 1943-12-31

Publications (1)

Publication Number Publication Date
FR915556A true FR915556A (en) 1946-11-12

Family

ID=19788726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915556D Expired FR915556A (en) 1943-12-31 1945-10-05 Electric discharge tube

Country Status (3)

Country Link
US (1) US2486292A (en)
FR (1) FR915556A (en)
GB (1) GB630621A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563573A (en) * 1951-08-07 Hot cathode electron tube which re

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1936419A (en) * 1930-06-03 1933-11-21 Gen Electric Photo-electric tube
US1923335A (en) * 1931-09-23 1933-08-22 Raytheon Inc Thermionic vapor discharge device
US2107945A (en) * 1934-11-20 1938-02-08 Gen Electric Cathode structure
US2091554A (en) * 1935-10-03 1937-08-31 Bell Telephone Labor Inc Composite refractory body
US2128051A (en) * 1935-10-03 1938-08-23 Westinghouse Electric & Mfg Co Electric discharge apparatus

Also Published As

Publication number Publication date
GB630621A (en) 1949-10-18
US2486292A (en) 1949-10-25

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