GB191415399A - Improvements in Vacuum Tube Lighting Apparatus. - Google Patents

Improvements in Vacuum Tube Lighting Apparatus.

Info

Publication number
GB191415399A
GB191415399A GB191415399DA GB191415399A GB 191415399 A GB191415399 A GB 191415399A GB 191415399D A GB191415399D A GB 191415399DA GB 191415399 A GB191415399 A GB 191415399A
Authority
GB
United Kingdom
Prior art keywords
lighting apparatus
vacuum tube
tube lighting
valves
lighting
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
Other languages
English (en)
Inventor
Fritz Meyer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191415399A publication Critical patent/GB191415399A/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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

Landscapes

  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB191415399D 1913-06-28 1914-06-26 Improvements in Vacuum Tube Lighting Apparatus. Expired GB191415399A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE280504T 1913-06-28

Publications (1)

Publication Number Publication Date
GB191415399A true GB191415399A (en) 1914-11-05

Family

ID=32523719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191415399D Expired GB191415399A (en) 1913-06-28 1914-06-26 Improvements in Vacuum Tube Lighting Apparatus.

Country Status (3)

Country Link
DE (1) DE280504C (enExample)
FR (1) FR474157A (enExample)
GB (1) GB191415399A (enExample)

Also Published As

Publication number Publication date
FR474157A (fr) 1915-02-10
DE280504C (enExample)

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