GB300614A - Improvements relating to electric discharge devices - Google Patents

Improvements relating to electric discharge devices

Info

Publication number
GB300614A
GB300614A GB33473/28A GB3347328A GB300614A GB 300614 A GB300614 A GB 300614A GB 33473/28 A GB33473/28 A GB 33473/28A GB 3347328 A GB3347328 A GB 3347328A GB 300614 A GB300614 A GB 300614A
Authority
GB
United Kingdom
Prior art keywords
cathode
heater
strip
circuit
transformer
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
GB33473/28A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB300614A publication Critical patent/GB300614A/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

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB33473/28A 1927-11-16 1928-11-15 Improvements relating to electric discharge devices Expired GB300614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US300614XA 1927-11-16 1927-11-16

Publications (1)

Publication Number Publication Date
GB300614A true GB300614A (en) 1929-04-25

Family

ID=21852299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33473/28A Expired GB300614A (en) 1927-11-16 1928-11-15 Improvements relating to electric discharge devices

Country Status (4)

Country Link
BE (1) BE355841A (pm)
FR (1) FR664744A (pm)
GB (1) GB300614A (pm)
NL (1) NL24130C (pm)

Also Published As

Publication number Publication date
BE355841A (pm)
NL24130C (pm)
FR664744A (fr) 1929-09-06

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