FR1433929A - Discharge lamp - Google Patents

Discharge lamp

Info

Publication number
FR1433929A
FR1433929A FR17450A FR17450A FR1433929A FR 1433929 A FR1433929 A FR 1433929A FR 17450 A FR17450 A FR 17450A FR 17450 A FR17450 A FR 17450A FR 1433929 A FR1433929 A FR 1433929A
Authority
FR
France
Prior art keywords
discharge lamp
lamp
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
FR17450A
Other languages
French (fr)
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1433929A publication Critical patent/FR1433929A/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
    • H01J61/045—Thermic screens or reflectors
FR17450A 1964-05-19 1965-05-18 Discharge lamp Expired FR1433929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US368471A US3333132A (en) 1964-05-19 1964-05-19 Discharge lamp having heat reflecting shields surrounding its electrodes

Publications (1)

Publication Number Publication Date
FR1433929A true FR1433929A (en) 1966-04-01

Family

ID=23451348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR17450A Expired FR1433929A (en) 1964-05-19 1965-05-18 Discharge lamp

Country Status (6)

Country Link
US (1) US3333132A (en)
BE (1) BE664028A (en)
DE (1) DE1274229B (en)
FR (1) FR1433929A (en)
GB (1) GB1039649A (en)
NL (1) NL6504511A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619683A (en) * 1969-05-23 1971-11-09 British Lighting Ind Ltd Arc tubes
US3723784A (en) * 1971-04-15 1973-03-27 Gen Electric Alumina ceramic lamp having heat-reflecting shields surrounding its electrodes
NL7106348A (en) * 1971-05-08 1972-11-10
JPS568470B2 (en) * 1972-12-29 1981-02-24
US3882346A (en) * 1973-11-05 1975-05-06 Gen Electric Ceramic arc tube mounting structure
US3917971A (en) * 1974-03-22 1975-11-04 Gte Sylvania Inc Metal halide discharge lamp having a thermally insulative end coating
US4678959A (en) * 1984-11-15 1987-07-07 U.S. Philips Corporation Device for cooling the pinch seal of an electric lamp, and an electric lamp and an irradiation apparatus provided with this cooling device
DE3702481A1 (en) * 1987-01-28 1988-08-11 Philips Patentverwaltung GAS DISCHARGE LAMP
HUT47763A (en) * 1987-07-16 1989-03-28 Tungsram Reszvenytarsasag Three-phase high-pressure gas-discharge lamp
DE3729305A1 (en) * 1987-09-02 1989-03-16 Philips Patentverwaltung HIGH PRESSURE DISCHARGE LAMP
US5036243A (en) * 1989-12-18 1991-07-30 Cocks Franklin H Glass plate illumination device sign with integral electrodes of particular thermal resistance
ES2122599T3 (en) * 1994-06-07 1998-12-16 Koninkl Philips Electronics Nv HIGH PRESSURE DISCHARGE LAMP AND THERMAL SCREEN FOR SUCH LAMP.
DE10233704A1 (en) * 2002-07-24 2004-02-12 Heraeus Noblelight Gmbh Discharge lamp e.g. for radiation device for medical or cosmetic treatment of skin, has tubular, transparent discharge vessel with opaque coating or cap on each end enclosing part of electrode protruding into vessel
DE10254969A1 (en) * 2002-11-26 2004-06-03 Philips Intellectual Property & Standards Gmbh High pressure discharge lamp with mercury chloride with limited chlorine content

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE597916C (en) * 1929-01-12 1934-06-02 Patra Patent Treuhand Electric light tubes with solid metal or oxide electrodes and a filling of condensable metal vapors or a mixture of such vapors and the gases that initiate the discharge
US2228327A (en) * 1929-05-04 1941-01-14 Hans J Spanner Discharge device
NL38736C (en) * 1933-11-04
US2254845A (en) * 1939-07-15 1941-09-02 Westinghouse Electric & Mfg Co Mount for quartz lamps
US2319912A (en) * 1940-01-18 1943-05-25 Hanovia Chemical & Mfg Co Electrical discharge device
US2272274A (en) * 1940-06-05 1942-02-10 Alphonse F Pieper Electric discharge lamp
US2315286A (en) * 1941-01-11 1943-03-30 Westinghouse Electric & Mfg Co Gaseous discharge lamp

Also Published As

Publication number Publication date
US3333132A (en) 1967-07-25
GB1039649A (en) 1966-08-17
DE1274229B (en) 1968-08-01
NL6504511A (en) 1965-11-22
BE664028A (en) 1965-09-16

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