GB434597A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB434597A
GB434597A GB696634A GB696634A GB434597A GB 434597 A GB434597 A GB 434597A GB 696634 A GB696634 A GB 696634A GB 696634 A GB696634 A GB 696634A GB 434597 A GB434597 A GB 434597A
Authority
GB
United Kingdom
Prior art keywords
disc
cathode
sealed
metal
glass
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
GB696634A
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
Priority to GB696634A priority Critical patent/GB434597A/en
Priority to FR786680D priority patent/FR786680A/fr
Publication of GB434597A publication Critical patent/GB434597A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H01J61/526—Heating or cooling particular parts of the lamp heating or cooling of electrodes

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB696634A 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices Expired GB434597A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB696634A GB434597A (en) 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices
FR786680D FR786680A (fr) 1934-03-05 1935-03-05 Perfectionnements aux tubes à décharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB696634A GB434597A (en) 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices

Publications (1)

Publication Number Publication Date
GB434597A true GB434597A (en) 1935-09-05

Family

ID=9824085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB696634A Expired GB434597A (en) 1934-03-05 1934-03-05 Improvements in and relating to electric discharge devices

Country Status (2)

Country Link
FR (1) FR786680A (fr)
GB (1) GB434597A (fr)

Also Published As

Publication number Publication date
FR786680A (fr) 1935-09-07

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