FR875403A - Electric discharge tubes containing metallic vapor under high pressure - Google Patents

Electric discharge tubes containing metallic vapor under high pressure

Info

Publication number
FR875403A
FR875403A FR875403DA FR875403A FR 875403 A FR875403 A FR 875403A FR 875403D A FR875403D A FR 875403DA FR 875403 A FR875403 A FR 875403A
Authority
FR
France
Prior art keywords
high pressure
under high
electric discharge
tubes containing
discharge tubes
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 FR875403A publication Critical patent/FR875403A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR875403D 1940-08-10 1941-08-08 Electric discharge tubes containing metallic vapor under high pressure Expired FR875403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL616808X 1940-08-10

Publications (1)

Publication Number Publication Date
FR875403A true FR875403A (en) 1942-09-21

Family

ID=19788294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875403D Expired FR875403A (en) 1940-08-10 1941-08-08 Electric discharge tubes containing metallic vapor under high pressure

Country Status (5)

Country Link
BE (1) BE442425A (en)
DE (1) DE848673C (en)
FR (1) FR875403A (en)
GB (2) GB549727A (en)
NL (1) NL58863C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018164B (en) * 1952-12-04 1957-10-24 Siemens Ag Gas discharge tubes
DE102008062676A1 (en) * 2008-12-17 2010-06-24 Osram Gesellschaft mit beschränkter Haftung discharge lamp
DE102008062677A1 (en) * 2008-12-17 2010-06-24 Osram Gesellschaft mit beschränkter Haftung discharge lamp
DE102011006282A1 (en) * 2011-03-29 2012-10-04 Zf Friedrichshafen Ag An electric machine having a rotor shaft supporting a rotor for a vehicle driveline

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT139320B (en) * 1931-12-18 1934-11-10 Siemens Ag Glow discharge tube with gas or vapor filling.
US2056665A (en) * 1934-08-18 1936-10-06 Gen Electric Vapor electric discharge device

Also Published As

Publication number Publication date
BE442425A (en)
DE848673C (en) 1952-09-08
NL58863C (en)
GB616808A (en) 1949-01-27
GB549727A (en) 1942-12-03

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