GB371419A - Improvements in and relating to electrodes for thermionic tubes - Google Patents

Improvements in and relating to electrodes for thermionic tubes

Info

Publication number
GB371419A
GB371419A GB30746/30A GB3074630A GB371419A GB 371419 A GB371419 A GB 371419A GB 30746/30 A GB30746/30 A GB 30746/30A GB 3074630 A GB3074630 A GB 3074630A GB 371419 A GB371419 A GB 371419A
Authority
GB
United Kingdom
Prior art keywords
cathode
heater
class
wire
auxiliary heater
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
GB30746/30A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB371419A publication Critical patent/GB371419A/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
    • 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

  • Electron Sources, Ion Sources (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB30746/30A 1930-07-03 1930-10-14 Improvements in and relating to electrodes for thermionic tubes Expired GB371419A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT371419X 1930-07-03
AT389886X 1930-10-06
AT396905X 1931-07-08
AT396527X 1931-07-11

Publications (1)

Publication Number Publication Date
GB371419A true GB371419A (en) 1932-04-14

Family

ID=31950563

Family Applications (4)

Application Number Title Priority Date Filing Date
GB30746/30A Expired GB371419A (en) 1930-07-03 1930-10-14 Improvements in and relating to electrodes for thermionic tubes
GB27769/31A Expired GB389886A (en) 1930-07-03 1931-10-06 Improvements in and relating to electrodes for discharge tubes
GB15844/32A Expired GB396527A (en) 1930-07-03 1932-06-04 Improvements in thermionic valves
GB15843/32A Expired GB396905A (en) 1930-07-03 1932-06-04 Improvements in and relating to electrodes for discharge tubes

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB27769/31A Expired GB389886A (en) 1930-07-03 1931-10-06 Improvements in and relating to electrodes for discharge tubes
GB15844/32A Expired GB396527A (en) 1930-07-03 1932-06-04 Improvements in thermionic valves
GB15843/32A Expired GB396905A (en) 1930-07-03 1932-06-04 Improvements in and relating to electrodes for discharge tubes

Country Status (4)

Country Link
US (2) US2041286A (en(2012))
FR (2) FR718982A (en(2012))
GB (4) GB371419A (en(2012))
NL (1) NL41244C (en(2012))

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589521A (en) * 1952-03-18 Heater
US2436907A (en) * 1945-06-23 1948-03-02 Nasa Indirectly heated cathode
US2513798A (en) * 1947-04-28 1950-07-04 Milton L Hatfield Centrifugal clutch
US3137766A (en) * 1957-12-16 1964-06-16 Norton Co Electric wire for use at high temperatures
EP2511919A1 (de) * 2011-04-11 2012-10-17 ABB Technology AG Trockentransformatorheizung
JP6049398B2 (ja) * 2012-10-24 2016-12-21 東京エレクトロン株式会社 ヒータ装置

Also Published As

Publication number Publication date
FR41948E (fr) 1933-05-03
GB396527A (en) 1933-08-10
GB389886A (en) 1933-03-30
FR718982A (fr) 1932-02-02
GB396905A (en) 1933-08-17
NL41244C (en(2012)) 1937-08-16
US2051472A (en) 1936-08-18
US2041286A (en) 1936-05-19

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