GB638724A - Improvements in or relating to glow switches - Google Patents

Improvements in or relating to glow switches

Info

Publication number
GB638724A
GB638724A GB7204/48A GB720448A GB638724A GB 638724 A GB638724 A GB 638724A GB 7204/48 A GB7204/48 A GB 7204/48A GB 720448 A GB720448 A GB 720448A GB 638724 A GB638724 A GB 638724A
Authority
GB
United Kingdom
Prior art keywords
electrodes
switch
crater
sealed
envelope
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
GB7204/48A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB638724A publication Critical patent/GB638724A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/013—Heating arrangements for operating relays
    • H01H61/017—Heating by glow discharge or arc in confined space

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
GB7204/48A 1947-05-10 1948-03-09 Improvements in or relating to glow switches Expired GB638724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US638724XA 1947-05-10 1947-05-10

Publications (1)

Publication Number Publication Date
GB638724A true GB638724A (en) 1950-06-14

Family

ID=22052061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7204/48A Expired GB638724A (en) 1947-05-10 1948-03-09 Improvements in or relating to glow switches

Country Status (2)

Country Link
GB (1) GB638724A (it)
NL (1) NL139211C (it)

Also Published As

Publication number Publication date
NL139211C (it)

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