FR2220872A1 - - Google Patents

Info

Publication number: FR2220872A1
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

Other versions

FR2220872B1 (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.)

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.)

1973-03-08

Filing date

1973-12-28

Publication date

1974-10-04

1973-12-28 Application filed by GTE Sylvania Inc filed Critical GTE Sylvania Inc

1974-10-04 Publication of FR2220872A1 publication Critical patent/FR2220872A1/fr

1977-06-10 Application granted granted Critical

1977-06-10 Publication of FR2220872B1 publication Critical patent/FR2220872B1/fr

Status Expired legal-status Critical Current

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 (en)

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 (en)	1974-10-04
FR2220872B1 FR2220872B1 (en)	1977-06-10

Family

ID=23328490

Family Applications (1)

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

Country Status (5)

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

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 (en) *	1986-09-05	1989-11-29	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH	High-pressure discharge lamp and method for driving it
FR2649827B1 (en) *	1989-07-13	1992-06-12	Sodern	DEVICE FOR HEATING AN ALUMINA TUBE AND DISCHARGE TUBE PROVIDED WITH SUCH A DEVICE
US20070108912A1 (en) *	2005-11-16	2007-05-17	Leonard James A	Device for containing arc tube ruptures in lamps
WO2007138955A1 (en) *	2006-05-26	2007-12-06	Iwasaki Electric Co., Ltd.	Light source device

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 (en) *	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

1973
- 1973-03-08 US US00339326A patent/US3806747A/en not_active Expired - Lifetime
- 1973-12-28 FR FR7347109A patent/FR2220872B1/fr not_active Expired
1974
- 1974-01-23 CA CA190,769A patent/CA1006901A/en not_active Expired
- 1974-02-07 GB GB577574A patent/GB1437915A/en not_active Expired
- 1974-03-08 BE BE2053461A patent/BE812028A/en unknown

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
CA1006901A (en)	1977-03-15
FR2220872B1 (en)	1977-06-10
BE812028A (en)	1974-09-09

Publication	Publication Date	Title
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU465434B2 (en)	1975-09-25
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
FR2220872B1 (en)	1977-06-10
AU466283B2 (en)	1975-10-23
AU476696B2 (en)	1976-09-30
AR199451A1 (en)	1974-08-30
AU477823B2 (en)	1975-06-19
AR210729A1 (en)	1977-09-15
AU461342B2 (en)	1975-05-22
AU477824B2 (en)	1975-07-17
AU476873B1 (en)	1975-01-09
AU447540B2 (en)	1974-03-25
AR200256A1 (en)	1974-10-31
AU471461B2 (en)	1976-04-29
AU1891376A (en)	1977-01-20
CH1618174A4 (en)	1976-12-15

Legal Events

Date	Code	Title	Description
1980-10-03	ST	Notification of lapse