GB657542A - Improvements in the mounting of filamentary cathodes for electron discharge devices - Google Patents

Improvements in the mounting of filamentary cathodes for electron discharge devices

Info

Publication number
GB657542A
GB657542A GB22078/47A GB2207847A GB657542A GB 657542 A GB657542 A GB 657542A GB 22078/47 A GB22078/47 A GB 22078/47A GB 2207847 A GB2207847 A GB 2207847A GB 657542 A GB657542 A GB 657542A
Authority
GB
United Kingdom
Prior art keywords
spring
filament
flap
tension
welded
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
GB22078/47A
Other languages
English (en)
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
Publication of GB657542A publication Critical patent/GB657542A/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

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Microwave Tubes (AREA)
GB22078/47A 1946-06-08 1947-08-08 Improvements in the mounting of filamentary cathodes for electron discharge devices Expired GB657542A (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
GB657542A true GB657542A (en) 1951-09-19

Family

ID=24710043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22078/47A Expired GB657542A (en) 1946-06-08 1947-08-08 Improvements in the mounting of filamentary cathodes for electron discharge devices

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038660B (de) * 1954-09-25 1958-09-11 Telefunken Gmbh Verfahren zum Spannen des Fadens einer direkt oder indirekt geheizten Kathode einer Elektronenroehre
DE1034277B (de) * 1954-10-22 1958-07-17 Telefunken Gmbh Spannvorrichtung fuer Gluehdraehte in elektrischen Entladungsgefaessen

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 (enrdf_load_stackoverflow) * 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
FR951793A (fr) 1949-11-03
NL72322C (enrdf_load_stackoverflow) 1952-12-15
DE837575C (de) 1952-04-28
US2506874A (en) 1950-05-09

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