GB478798A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB478798A
GB478798A GB18432/37A GB1843237A GB478798A GB 478798 A GB478798 A GB 478798A GB 18432/37 A GB18432/37 A GB 18432/37A GB 1843237 A GB1843237 A GB 1843237A GB 478798 A GB478798 A GB 478798A
Authority
GB
United Kingdom
Prior art keywords
class
electrode
envelope
july
anode
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
GB18432/37A
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 GB478798A publication Critical patent/GB478798A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control

Landscapes

  • Gas-Filled Discharge Tubes (AREA)
GB18432/37A 1936-07-02 1937-07-02 Improvements in and relating to electric discharge devices Expired GB478798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE478798X 1936-07-02

Publications (1)

Publication Number Publication Date
GB478798A true GB478798A (en) 1938-01-25

Family

ID=6542307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18432/37A Expired GB478798A (en) 1936-07-02 1937-07-02 Improvements in and relating to electric discharge devices

Country Status (2)

Country Link
GB (1) GB478798A (enrdf_load_stackoverflow)
NL (1) NL49365C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514165A (en) * 1942-11-23 1950-07-04 M O Valve Co Ltd Thermionic gas-filled rectifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514165A (en) * 1942-11-23 1950-07-04 M O Valve Co Ltd Thermionic gas-filled rectifier

Also Published As

Publication number Publication date
NL49365C (enrdf_load_stackoverflow)

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