GB425219A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB425219A
GB425219A GB22082/33A GB2208233A GB425219A GB 425219 A GB425219 A GB 425219A GB 22082/33 A GB22082/33 A GB 22082/33A GB 2208233 A GB2208233 A GB 2208233A GB 425219 A GB425219 A GB 425219A
Authority
GB
United Kingdom
Prior art keywords
tube
envelope
wires
ring
asbestos
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
GB22082/33A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB425219A publication Critical patent/GB425219A/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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB22082/33A 1932-09-26 1933-08-05 Improvements in or relating to electric discharge tubes Expired GB425219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN34220D DE653844C (de) 1932-09-26 1932-09-26 Insbesondere fuer Lichtausstrahlung dienende elektrische Entladungsroehre mit Dampf schwer verdampfbarer Metalle

Publications (1)

Publication Number Publication Date
GB425219A true GB425219A (en) 1935-03-05

Family

ID=6477019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22082/33A Expired GB425219A (en) 1932-09-26 1933-08-05 Improvements in or relating to electric discharge tubes

Country Status (5)

Country Link
US (1) US1951124A (fr)
BE (1) BE398544A (fr)
DE (1) DE653844C (fr)
FR (1) FR43890E (fr)
GB (1) GB425219A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457353A (en) * 1945-07-30 1948-12-28 Paragon Revolute Corp Quartz lamp assembly

Also Published As

Publication number Publication date
DE653844C (de) 1937-12-04
US1951124A (en) 1934-03-13
BE398544A (fr)
FR43890E (fr) 1934-09-07

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