DE3378445D1 - Improvements in discharge lamps - Google Patents

Improvements in discharge lamps

Info

Publication number
DE3378445D1
DE3378445D1 DE8383300141T DE3378445T DE3378445D1 DE 3378445 D1 DE3378445 D1 DE 3378445D1 DE 8383300141 T DE8383300141 T DE 8383300141T DE 3378445 T DE3378445 T DE 3378445T DE 3378445 D1 DE3378445 D1 DE 3378445D1
Authority
DE
Germany
Prior art keywords
discharge lamps
lamps
discharge
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
DE8383300141T
Other languages
German (de)
Inventor
James Richard Coaton
Barry Preston
Kevin Hick
Crammond Frederick Jam Leyland
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Application granted granted Critical
Publication of DE3378445D1 publication Critical patent/DE3378445D1/en
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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
DE8383300141T 1982-01-29 1983-01-12 Improvements in discharge lamps Expired DE3378445D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8202526 1982-01-29

Publications (1)

Publication Number Publication Date
DE3378445D1 true DE3378445D1 (en) 1988-12-15

Family

ID=10527958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300141T Expired DE3378445D1 (en) 1982-01-29 1983-01-12 Improvements in discharge lamps

Country Status (4)

Country Link
EP (1) EP0085487B1 (en)
AU (1) AU563791B2 (en)
DE (1) DE3378445D1 (en)
ZA (1) ZA83585B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491766A (en) * 1982-06-24 1985-01-01 North American Philips Lighting Corporation High pressure electric discharge lamp employing a metal spiral with positive potential
GB8330774D0 (en) * 1983-11-18 1983-12-29 Emi Plc Thorn Sealed beam lamps
DE9013279U1 (en) * 1990-09-19 1990-11-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Single-ended high-pressure discharge lamp
JP3208087B2 (en) * 1997-04-18 2001-09-10 松下電器産業株式会社 Metal halide lamp
DE102010029068A1 (en) * 2010-05-18 2011-11-24 Osram Gesellschaft mit beschränkter Haftung Method for producing a high voltage switching spark gap

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB804319A (en) * 1954-06-04 1958-11-12 Siemens Edison Swan Ltd Improvements relating to electronic flash discharge tubes
JPS5718301B2 (en) * 1973-12-28 1982-04-15
US4179640A (en) * 1977-12-05 1979-12-18 Westinghouse Electric Corp. Hid sodium lamp which incorporates a high pressure of xenon and a trigger starting electrode

Also Published As

Publication number Publication date
AU563791B2 (en) 1987-07-23
EP0085487A3 (en) 1983-08-17
EP0085487B1 (en) 1988-11-09
ZA83585B (en) 1983-11-30
AU1055383A (en) 1983-08-04
EP0085487A2 (en) 1983-08-10

Similar Documents

Publication Publication Date Title
GB2126415B (en) Discharge lamp
GB8331819D0 (en) Discharge lamp
DE3464297D1 (en) Electrodeless discharge lamp
GB8606063D0 (en) Arc discharge lamp
DE3268402D1 (en) Discharge lamps
DE3365048D1 (en) High-pressure discharge lamp
GB2135506B (en) Electric discharge lamps
DE3378444D1 (en) Discharge lamp
GB2145557B (en) Improvements in discharge lamps
GB2123601B (en) Discharge lamps
GB2120871B (en) Starting discharge lamps
GB2076218B (en) Discharge lamps
GB2125615B (en) Improvements in hp discharge lamps
DE3378445D1 (en) Improvements in discharge lamps
GB8405149D0 (en) Discharge lamps
DE3174822D1 (en) Discharge lamp
GB2100503B (en) Discharge lamps
GB8315237D0 (en) Glow discharge lamp
GB8322506D0 (en) Vapour discharge lamp
GB8312139D0 (en) Gas discharge lamp
DE3376922D1 (en) Improvements in photoprinting lamps
GB2107110B (en) Discharge lamps
JPS5713686A (en) Discharge lamp unit
JPS5713685A (en) Discharge lamp unit
DE3461366D1 (en) Discharge lamp

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BRUEMMERSTEDT, H., DIPL.-ING., PAT.-ANW., 3000 HANNOVER

8339 Ceased/non-payment of the annual fee