GB307058A - - Google Patents

Info

Publication number
GB307058A
GB307058A GB486529A GB486529A GB307058A GB 307058 A GB307058 A GB 307058A GB 486529 A GB486529 A GB 486529A GB 486529 A GB486529 A GB 486529A GB 307058 A GB307058 A GB 307058A
Authority
GB
United Kingdom
Prior art keywords
filaments
filament
wires
diminish
reciprocal
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
GB486529A
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.)
Telefunken AG
Original Assignee
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Publication of GB307058A publication Critical patent/GB307058A/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

Landscapes

  • Particle Accelerators (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Measurement Of Radiation (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB486529A 1928-03-04 1929-02-13 Expired GB307058A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET34775D DE539842C (de) 1928-03-04 1928-03-04 Dreielektrodenroehre fuer die Zwecke des Betriebes der Gluehkathode von einer Wechselstromspeisequelle

Publications (1)

Publication Number Publication Date
GB307058A true GB307058A (enrdf_load_stackoverflow) 1930-02-06

Family

ID=7558734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB486529A Expired GB307058A (enrdf_load_stackoverflow) 1928-03-04 1929-02-13

Country Status (2)

Country Link
DE (1) DE539842C (enrdf_load_stackoverflow)
GB (1) GB307058A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016760A (en) * 1933-03-23 1935-10-08 Hazeltine Corp Electron discharge device

Also Published As

Publication number Publication date
DE539842C (de) 1931-12-02

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