GB848589A - Improvements relating to cathode heaters - Google Patents

Improvements relating to cathode heaters

Info

Publication number
GB848589A
GB848589A GB18535/58A GB1853558A GB848589A GB 848589 A GB848589 A GB 848589A GB 18535/58 A GB18535/58 A GB 18535/58A GB 1853558 A GB1853558 A GB 1853558A GB 848589 A GB848589 A GB 848589A
Authority
GB
United Kingdom
Prior art keywords
cathode
heater
sleeve
improvements relating
cathode heaters
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
GB18535/58A
Other languages
English (en)
Inventor
Frederic William Rodbar Farrow
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
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
Priority to NL105737D priority Critical patent/NL105737C/xx
Application filed by Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Priority to GB18535/58A priority patent/GB848589A/en
Priority to US817575A priority patent/US2935638A/en
Priority to FR796994A priority patent/FR1226931A/fr
Priority to DES63378A priority patent/DE1124158B/de
Publication of GB848589A publication Critical patent/GB848589A/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
    • H01J1/22—Heaters

Landscapes

  • Solid Thermionic Cathode (AREA)
GB18535/58A 1958-06-10 1958-06-10 Improvements relating to cathode heaters Expired GB848589A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL105737D NL105737C (OSRAM) 1958-06-10
GB18535/58A GB848589A (en) 1958-06-10 1958-06-10 Improvements relating to cathode heaters
US817575A US2935638A (en) 1958-06-10 1959-06-02 Cathode structures for thermionic valves
FR796994A FR1226931A (fr) 1958-06-10 1959-06-09 Cathode à chauffage indirect
DES63378A DE1124158B (de) 1958-06-10 1959-06-09 Kathode mit einem schraubenfoermigen Heizelement geringer Ganghoehe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18535/58A GB848589A (en) 1958-06-10 1958-06-10 Improvements relating to cathode heaters

Publications (1)

Publication Number Publication Date
GB848589A true GB848589A (en) 1960-09-21

Family

ID=10114082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18535/58A Expired GB848589A (en) 1958-06-10 1958-06-10 Improvements relating to cathode heaters

Country Status (5)

Country Link
US (1) US2935638A (OSRAM)
DE (1) DE1124158B (OSRAM)
FR (1) FR1226931A (OSRAM)
GB (1) GB848589A (OSRAM)
NL (1) NL105737C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL284356A (OSRAM) 1962-10-15
AT265448B (de) 1963-04-30 1968-10-10 Matsushita Electronics Corp Verfahren zur Herstellung flacher Kathoden für Elektronenröhren
DE2404362B1 (de) * 1974-01-30 1975-07-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Heizkörper für eine indirekt geheizte Kathode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868319C (de) * 1944-01-26 1953-02-23 Wiener Radiowerke Ag Heizelement fuer indirekt erhitzte Kathoden von Entladungsroehren
BE523420A (OSRAM) 1952-10-11

Also Published As

Publication number Publication date
DE1124158B (de) 1962-02-22
NL105737C (OSRAM)
US2935638A (en) 1960-05-03
FR1226931A (fr) 1960-08-18

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