IT1037912B - Lampada a scarica a vapori di mercurio ad alta pressione - Google Patents

Lampada a scarica a vapori di mercurio ad alta pressione

Info

Publication number: IT1037912B
Authority: IT; Italy
Prior art keywords: high pressure; discharge lamp; pressure mercury; mercury vapor; vapor discharge
Prior art date: 1974-05-09

Application number

IT2308275A

Other languages

English (en)

Original Assignee

Philips 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.)

1974-05-09

Filing date

1975-05-06

Publication date

1979-11-20

1975-05-06 Application filed by Philips Nv filed Critical Philips Nv

1979-11-20 Application granted granted Critical

1979-11-20 Publication of IT1037912B publication Critical patent/IT1037912B/it

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent

IT2308275A 1974-05-09 1975-05-06 Lampada a scarica a vapori di mercurio ad alta pressione IT1037912B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742422411 DE2422411A1 (de)	1974-05-09	1974-05-09	Hochdruckquecksilberdampfentladungslampe

Publications (1)

Publication Number	Publication Date
IT1037912B true IT1037912B (it)	1979-11-20

Family

ID=5915050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2308275A IT1037912B (it)	1974-05-09	1975-05-06	Lampada a scarica a vapori di mercurio ad alta pressione

Country Status (8)

Country	Link
JP (1)	JPS50152578A (it)
BE (1)	BE828831A (it)
BR (1)	BR7502888A (it)
DE (1)	DE2422411A1 (it)
FR (1)	FR2270673B1 (it)
GB (1)	GB1498258A (it)
IT (1)	IT1037912B (it)
NL (1)	NL7505275A (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5231583A (en) *	1975-09-05	1977-03-10	Toshiba Corp	Lamp discharging metallic fumes
DE2655167C2 (de) *	1976-12-06	1986-12-18	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München	Hochdruckentladungslampe mit Metallhalogeniden
DE2725297C3 (de) *	1977-06-04	1980-10-16	Philips Patentverwaltung Gmbh, 2000 Hamburg	Hochdruckquecksilberdampfentladungslampe
DD203430A1 (de) *	1982-01-19	1983-10-19	Kloss	Elektrodenstabilisierte hochdruckentladungslampe mit leuchtzusaetzen
DE3506295A1 (de) *	1985-02-22	1986-08-28	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München	Kompakte hochdruckentladungslampe
US4801846A (en) *	1986-12-19	1989-01-31	Gte Laboratories Incorporated	Rare earth halide light source with enhanced red emission
US5013968A (en) *	1989-03-10	1991-05-07	General Electric Company	Reprographic metal halide lamps having long life and maintenance
US5256940A (en) *	1989-11-08	1993-10-26	Matsushita Electric Works, Ltd.	High intensity discharge lamp device
JPH03152852A (ja) *	1989-11-08	1991-06-28	Matsushita Electric Works Ltd	高輝度放電ランプ及び無電極放電灯装置
DE4132530A1 (de) *	1991-09-30	1993-04-01	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Hochdruckentladungslampe kleiner leistung
DE69201339T3 (de) *	1991-11-21	1999-03-04	Ushiodenki K.K., Tokio/Tokyo	Metalldampfentladungslampe.
US5212424A (en) *	1991-11-21	1993-05-18	General Electric Company	Metal halide discharge lamp containing a sodium getter
US5451838A (en) *	1994-03-03	1995-09-19	Hamamatsu Photonics K.K.	Metal halide lamp
DE19645959A1 (de) *	1996-11-07	1998-05-14	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Metallhalogenid-Hochdruckentladungslampe
CA2274199A1 (en) *	1998-11-10	2000-05-10	Osram Sylvania Inc.	Arc discharge lamp containing barium having improved arc tube
US6731068B2 (en) *	2001-12-03	2004-05-04	General Electric Company	Ceramic metal halide lamp
JP2005534139A (ja) *	2002-01-15	2005-11-10	コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ	メタルハライドランプ
US7268495B2 (en) *	2005-01-21	2007-09-11	General Electric Company	Ceramic metal halide lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1444023A (en) *	1973-01-23	1976-07-28	Thorn Electrical Ind Ltd	Electric discharge lamps

1974
- 1974-05-09 DE DE19742422411 patent/DE2422411A1/de not_active Ceased
1975
- 1975-05-06 NL NL7505275A patent/NL7505275A/xx not_active Application Discontinuation
- 1975-05-06 IT IT2308275A patent/IT1037912B/it active
- 1975-05-07 FR FR7514333A patent/FR2270673B1/fr not_active Expired
- 1975-05-07 GB GB1916675A patent/GB1498258A/en not_active Expired
- 1975-05-07 BE BE156147A patent/BE828831A/xx unknown
- 1975-05-08 JP JP5535375A patent/JPS50152578A/ja active Pending
- 1975-05-09 BR BR7503672A patent/BR7502888A/pt unknown

Also Published As

Publication number	Publication date
GB1498258A (en)	1978-01-18
BR7502888A (pt)	1976-03-16
FR2270673A1 (it)	1975-12-05
FR2270673B1 (it)	1979-04-06
DE2422411A1 (de)	1975-12-11
BE828831A (fr)	1975-11-07
JPS50152578A (it)	1975-12-08
NL7505275A (nl)	1975-11-11

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