FR43890E - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR43890E
FR43890E FR43890DA FR43890E FR 43890 E FR43890 E FR 43890E FR 43890D A FR43890D A FR 43890DA FR 43890 E FR43890 E FR 43890E
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR43890E publication Critical patent/FR43890E/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
FR43890D 1932-09-26 1933-09-11 Electric discharge tube Expired FR43890E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN34220D DE653844C (en) 1932-09-26 1932-09-26 Electric discharge tubes with steam that are difficult to evaporate metals used for light emission

Publications (1)

Publication Number Publication Date
FR43890E true FR43890E (en) 1934-09-07

Family

ID=6477019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43890D Expired FR43890E (en) 1932-09-26 1933-09-11 Electric discharge tube

Country Status (5)

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

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
GB425219A (en) 1935-03-05
US1951124A (en) 1934-03-13
BE398544A (en)
DE653844C (en) 1937-12-04

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