FR2220872A1 - - Google Patents

Info

Publication number
FR2220872A1
FR2220872A1 FR7347109A FR7347109A FR2220872A1 FR 2220872 A1 FR2220872 A1 FR 2220872A1 FR 7347109 A FR7347109 A FR 7347109A FR 7347109 A FR7347109 A FR 7347109A FR 2220872 A1 FR2220872 A1 FR 2220872A1
Authority
FR
France
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.)
Granted
Application number
FR7347109A
Other languages
French (fr)
Other versions
FR2220872B1 (enrdf_load_stackoverflow
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of FR2220872A1 publication Critical patent/FR2220872A1/fr
Application granted granted Critical
Publication of FR2220872B1 publication Critical patent/FR2220872B1/fr
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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/541—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch
    • H01J61/544—Igniting arrangements, e.g. promoting ionisation for starting using a bimetal switch and an auxiliary electrode outside the vessel
FR7347109A 1973-03-08 1973-12-28 Expired FR2220872B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00339326A US3806747A (en) 1973-03-08 1973-03-08 Sodium vapor lamp having an improved grooved alumina arc tube

Publications (2)

Publication Number Publication Date
FR2220872A1 true FR2220872A1 (enrdf_load_stackoverflow) 1974-10-04
FR2220872B1 FR2220872B1 (enrdf_load_stackoverflow) 1977-06-10

Family

ID=23328490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7347109A Expired FR2220872B1 (enrdf_load_stackoverflow) 1973-03-08 1973-12-28

Country Status (5)

Country Link
US (1) US3806747A (enrdf_load_stackoverflow)
BE (1) BE812028A (enrdf_load_stackoverflow)
CA (1) CA1006901A (enrdf_load_stackoverflow)
FR (1) FR2220872B1 (enrdf_load_stackoverflow)
GB (1) GB1437915A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437039A (en) * 1978-10-03 1984-03-13 North American Philips Electric Corp. Starting arrangement for high-intensity-discharge sodium lamp
EP0258829A3 (de) * 1986-09-05 1989-11-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe und Verfahren zum Betrieb
FR2649827B1 (fr) * 1989-07-13 1992-06-12 Sodern Dispositif de chauffage d'un tube d'alumine et tube a decharge muni d'un tel dispositif
US20070108912A1 (en) * 2005-11-16 2007-05-17 Leonard James A Device for containing arc tube ruptures in lamps
KR20090012238A (ko) * 2006-05-26 2009-02-02 이와사기덴끼가부시기가이샤 광원 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765416A (en) * 1953-09-24 1956-10-02 Westinghouse Electric Corp Vapor lamps utilizing chemical compounds
NL6511266A (enrdf_load_stackoverflow) * 1965-08-28 1967-03-01
US3746914A (en) * 1971-12-30 1973-07-17 Gte Sylvania Inc Arc discharge tube with surrounding starting coil
US3757158A (en) * 1972-06-23 1973-09-04 Gte Sylvania Inc Sodium vapor lamp having a grooved alumina arc tube
US3721846A (en) * 1972-06-26 1973-03-20 Gte Sylvania Inc Sodium vapor lamp having improved starting means including a heater
US3757159A (en) * 1972-07-17 1973-09-04 Gte Sylvania Inc Sodium vapor lamp having improved starting means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1437915A (en) 1976-06-03
US3806747A (en) 1974-04-23
FR2220872B1 (enrdf_load_stackoverflow) 1977-06-10
CA1006901A (en) 1977-03-15
BE812028A (fr) 1974-09-09

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Legal Events

Date Code Title Description
ST Notification of lapse