EP0154383A3 - Heatable electrode for high-pressure gas discharge lamps - Google Patents

Heatable electrode for high-pressure gas discharge lamps Download PDF

Info

Publication number
EP0154383A3
EP0154383A3 EP85200312A EP85200312A EP0154383A3 EP 0154383 A3 EP0154383 A3 EP 0154383A3 EP 85200312 A EP85200312 A EP 85200312A EP 85200312 A EP85200312 A EP 85200312A EP 0154383 A3 EP0154383 A3 EP 0154383A3
Authority
EP
European Patent Office
Prior art keywords
gas discharge
pressure gas
discharge lamps
heatable electrode
heatable
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.)
Granted
Application number
EP85200312A
Other languages
German (de)
Other versions
EP0154383B1 (en
EP0154383A2 (en
Inventor
Hans-Gunther Ganser
Ralf Dr. Schafer
Hans-Peter Dr. Stormberg
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken 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.)
Filing date
Publication date
Application filed by Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0154383A2 publication Critical patent/EP0154383A2/en
Publication of EP0154383A3 publication Critical patent/EP0154383A3/en
Application granted granted Critical
Publication of EP0154383B1 publication Critical patent/EP0154383B1/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
EP85200312A 1984-03-08 1985-03-04 Heatable electrode for high-pressure gas discharge lamps Expired EP0154383B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3408431 1984-03-08
DE19843408431 DE3408431A1 (en) 1984-03-08 1984-03-08 HEATABLE ELECTRODE FOR HIGH PRESSURE GAS DISCHARGE LAMPS

Publications (3)

Publication Number Publication Date
EP0154383A2 EP0154383A2 (en) 1985-09-11
EP0154383A3 true EP0154383A3 (en) 1986-11-26
EP0154383B1 EP0154383B1 (en) 1989-10-04

Family

ID=6229862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85200312A Expired EP0154383B1 (en) 1984-03-08 1985-03-04 Heatable electrode for high-pressure gas discharge lamps

Country Status (4)

Country Link
US (1) US4839560A (en)
EP (1) EP0154383B1 (en)
JP (1) JPS60207240A (en)
DE (2) DE3408431A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538283A1 (en) * 1995-10-16 1997-04-17 Holzer Walter Prof Dr H C Ing Cold cathode for gas discharge lamps
US20070035249A1 (en) * 2005-08-10 2007-02-15 Geza Cseh Lamp with inner capsule
DE202005014660U1 (en) * 2005-09-16 2005-12-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High pressure electrical gas discharge lamp has electrode fitted with a heating filament for use in a dimmer circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1071102A (en) * 1963-08-16 1967-06-07 Sylvania Electric Prod Electric discharge lamp
DE3106201A1 (en) * 1980-02-20 1981-12-10 Mitsubishi Denki K.K., Tokyo HIGH PRESSURE GAS DISCHARGE LAMP

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1157995A (en) * 1914-09-11 1915-10-26 Gen Electric Incandescent lamp.
US3519872A (en) * 1967-05-17 1970-07-07 Westinghouse Electric Corp Thermionic electrode with an auxiliary starting coil for a discharge lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1071102A (en) * 1963-08-16 1967-06-07 Sylvania Electric Prod Electric discharge lamp
DE3106201A1 (en) * 1980-02-20 1981-12-10 Mitsubishi Denki K.K., Tokyo HIGH PRESSURE GAS DISCHARGE LAMP

Also Published As

Publication number Publication date
EP0154383B1 (en) 1989-10-04
US4839560A (en) 1989-06-13
JPS60207240A (en) 1985-10-18
DE3573492D1 (en) 1989-11-09
EP0154383A2 (en) 1985-09-11
DE3408431A1 (en) 1985-09-12

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