GB733694A - Improvements in or relating to electric discharge devices - Google Patents

Improvements in or relating to electric discharge devices

Info

Publication number
GB733694A
GB733694A GB1821252A GB1821252A GB733694A GB 733694 A GB733694 A GB 733694A GB 1821252 A GB1821252 A GB 1821252A GB 1821252 A GB1821252 A GB 1821252A GB 733694 A GB733694 A GB 733694A
Authority
GB
United Kingdom
Prior art keywords
cathode
switch
attained
relating
electric discharge
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
GB1821252A
Inventor
William Alexander Gold
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1821252A priority Critical patent/GB733694A/en
Publication of GB733694A publication Critical patent/GB733694A/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
    • H01J17/02—Details
    • H01J17/34—One or more circuit elements structurally associated with the tube

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

733,694. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd. July 18, 1952, No. 18212/52. Class 39 (1). In a discharge tube such as a thyratron, the cathode is not connected into the main anodecathode circuit until it has attained a predetermined temperature, when it operates a thermally controlled switch within the envelope. The switch 6 is heated by the cathode heater 4, and when the correct operating temperature is attained, the switch contacts close, completing the H.T. circuit between cathode 5 and anode 2. Fig. 2 (not shown) is a similar tube having a directly heated cathode and a screen grid. Fig. 3 (not shown) is a practical embodiment, the switch comprising a bi-metal strip.
GB1821252A 1952-07-18 1952-07-18 Improvements in or relating to electric discharge devices Expired GB733694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1821252A GB733694A (en) 1952-07-18 1952-07-18 Improvements in or relating to electric discharge devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1821252A GB733694A (en) 1952-07-18 1952-07-18 Improvements in or relating to electric discharge devices

Publications (1)

Publication Number Publication Date
GB733694A true GB733694A (en) 1955-07-20

Family

ID=10108578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1821252A Expired GB733694A (en) 1952-07-18 1952-07-18 Improvements in or relating to electric discharge devices

Country Status (1)

Country Link
GB (1) GB733694A (en)

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