GB2133925B - Control of radial distributions in high intensity discharge lamps - Google Patents

Control of radial distributions in high intensity discharge lamps

Info

Publication number: GB2133925B
Authority: GB; United Kingdom
Prior art keywords: control; high intensity; discharge lamps; intensity discharge; radial distributions
Prior art date: 1982-12-29
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

GB08332586A

Other versions

GB2133925A (en

GB8332586D0 (en

Inventor

Peter Dexter Johnson

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1982-12-29

Filing date

1983-12-07

Publication date

1987-02-18

1983-12-07 Application filed by General Electric Co filed Critical General Electric Co

1984-01-11 Publication of GB8332586D0 publication Critical patent/GB8332586D0/en

1984-08-01 Publication of GB2133925A publication Critical patent/GB2133925A/en

1987-02-18 Application granted granted Critical

1987-02-18 Publication of GB2133925B publication Critical patent/GB2133925B/en

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
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/88—Lamps with discharge constricted by high pressure with discharge additionally constricted by envelope
- 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
- H01J61/045—Thermic screens or reflectors
- 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
- H01J61/22—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent vapour of an alkali metal

GB08332586A 1982-12-29 1983-12-07 Control of radial distributions in high intensity discharge lamps Expired GB2133925B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US45422582A	1982-12-29	1982-12-29

Publications (3)

Publication Number	Publication Date
GB8332586D0 GB8332586D0 (en)	1984-01-11
GB2133925A GB2133925A (en)	1984-08-01
GB2133925B true GB2133925B (en)	1987-02-18

Family

ID=23803806

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08332586A Expired GB2133925B (en)	1982-12-29	1983-12-07	Control of radial distributions in high intensity discharge lamps

Country Status (7)

Country	Link
JP (1)	JPS59139543A (en)
KR (1)	KR840007305A (en)
BR (1)	BR8307288A (en)
CA (1)	CA1211149A (en)
DE (1)	DE3346130A1 (en)
FR (1)	FR2538951B1 (en)
GB (1)	GB2133925B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4605881A (en) *	1984-11-29	1986-08-12	General Electric Company	High pressure sodium iodide arc lamp with excess iodine
DD270405A1 (en) *	1988-03-25	1989-07-26	Narva Rosa Luxemburg K	SODIUM VAPOR PRESSURE LAMP
AU632094B2 (en) *	1989-03-08	1992-12-17	General Electric Company	Acoustic resonance operation for xenon-metal halide lamps
HU207174B (en) *	1991-01-31	1993-03-01	Tungsram Reszvenytarsasag	High pressure discharge lamp with a getter appliance increasing life
US6731069B1 (en) *	1999-04-14	2004-05-04	Osram Sylvania Inc.	Mercury-free metal halide arc lamps
US20030025455A1 (en) *	2001-07-31	2003-02-06	Alderman John C.	Ceramic HID lamp with special frame for stabilizing the arc
GB2538808A (en) *	2015-05-29	2016-11-30	Hanovia Ltd	Mercury-free gas-discharge lamp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES304293A1 (en) *	1963-10-21	1964-11-01	Westinghouse Electric Corp	Discharge lamp
NL6513753A (en) *	1965-10-23	1967-04-24
US3876895A (en) *	1969-07-07	1975-04-08	Gen Electric	Selective spectral output metal halide lamp
GB1316356A (en) *	1970-08-18	1973-05-09	Gen Electric Co Ltd	Electric discharge lamps
US3882343A (en) *	1970-10-06	1975-05-06	Gen Electric	Tin chloride molecular radiation lamp
GB1444023A (en) *	1973-01-23	1976-07-28	Thorn Electrical Ind Ltd	Electric discharge lamps
US3911308A (en) *	1974-02-07	1975-10-07	Matsushita Electronics Corp	High-pressure metal-vapor discharge lamp
GB1585861A (en) *	1976-08-18	1981-03-11	Thorn Emi Ltd	Metal halide lamps
DE2725297C3 (en) *	1977-06-04	1980-10-16	Philips Patentverwaltung Gmbh, 2000 Hamburg	High pressure mercury vapor discharge lamp

1983
- 1983-12-07 GB GB08332586A patent/GB2133925B/en not_active Expired
- 1983-12-15 CA CA000443401A patent/CA1211149A/en not_active Expired
- 1983-12-20 FR FR8320344A patent/FR2538951B1/en not_active Expired
- 1983-12-21 DE DE19833346130 patent/DE3346130A1/en not_active Withdrawn
- 1983-12-22 KR KR1019830006092A patent/KR840007305A/en not_active Application Discontinuation
- 1983-12-27 BR BR8307288A patent/BR8307288A/en unknown
- 1983-12-28 JP JP58245642A patent/JPS59139543A/en active Pending

Also Published As

Publication number	Publication date
FR2538951B1 (en)	1986-12-05
KR840007305A (en)	1984-12-06
GB2133925A (en)	1984-08-01
GB8332586D0 (en)	1984-01-11
JPS59139543A (en)	1984-08-10
FR2538951A1 (en)	1984-07-06
CA1211149A (en)	1986-09-09
DE3346130A1 (en)	1984-07-05
BR8307288A (en)	1984-08-07

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Legal Events

Date	Code	Title	Description
1989-08-02	PCNP	Patent ceased through non-payment of renewal fee