FR951793A - Advanced electron tube - Google Patents

Advanced electron tube

Info

Publication number
FR951793A
FR951793A FR951793DA FR951793A FR 951793 A FR951793 A FR 951793A FR 951793D A FR951793D A FR 951793DA FR 951793 A FR951793 A FR 951793A
Authority
FR
France
Prior art keywords
electron tube
advanced electron
advanced
tube
electron
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Application granted granted Critical
Publication of FR951793A publication Critical patent/FR951793A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR951793D 1946-06-08 1947-08-08 Advanced electron tube Expired FR951793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US675342A US2506874A (en) 1946-06-08 1946-06-08 Filament tensioning method and electrical device having improved filament tensioner

Publications (1)

Publication Number Publication Date
FR951793A true FR951793A (en) 1949-11-03

Family

ID=24710043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951793D Expired FR951793A (en) 1946-06-08 1947-08-08 Advanced electron tube

Country Status (5)

Country Link
US (1) US2506874A (en)
DE (1) DE837575C (en)
FR (1) FR951793A (en)
GB (1) GB657542A (en)
NL (1) NL72322C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038660B (en) * 1954-09-25 1958-09-11 Telefunken Gmbh Method for tensioning the thread of a directly or indirectly heated cathode of an electron tube
DE1034277B (en) * 1954-10-22 1958-07-17 Telefunken Gmbh Clamping device for glow wires in electrical discharge vessels

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1522286A (en) * 1920-02-03 1925-01-06 Western Electric Co Method and apparatus for mounting filaments
US1608535A (en) * 1921-12-30 1926-11-30 Western Electric Co Electric discharge device
US1615654A (en) * 1922-11-07 1927-01-25 Westinghouse Electric & Mfg Co Vacuum-tube structure and method of assembling the same
GB243785A (en) * 1924-08-28 1925-11-30 Mullard Radio Valve Co Ltd Improvements relating to the mounting of incandescent filaments
US1774698A (en) * 1928-01-25 1930-09-02 Arcturus Radio Tube Co Vacuum-tube-filament connection and method of connecting
BE372758A (en) * 1929-09-19
US2100306A (en) * 1936-09-28 1937-11-23 Hygrade Sylvania Corp Filament support for radio tubes and the like
US2350003A (en) * 1940-07-17 1944-05-30 Bell Telephone Labor Inc Electron discharge device
US2303278A (en) * 1942-01-14 1942-11-24 Sylvania Electric Prod Shock absorber for tensioned filaments

Also Published As

Publication number Publication date
GB657542A (en) 1951-09-19
US2506874A (en) 1950-05-09
NL72322C (en) 1952-12-15
DE837575C (en) 1952-04-28

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