FR2137813B1 - - Google Patents

Info

Publication number
FR2137813B1
FR2137813B1 FR7216997A FR7216997A FR2137813B1 FR 2137813 B1 FR2137813 B1 FR 2137813B1 FR 7216997 A FR7216997 A FR 7216997A FR 7216997 A FR7216997 A FR 7216997A FR 2137813 B1 FR2137813 B1 FR 2137813B1
Authority
FR
France
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
FR7216997A
Other versions
FR2137813A1 (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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2137813A1 publication Critical patent/FR2137813A1/fr
Application granted granted Critical
Publication of FR2137813B1 publication Critical patent/FR2137813B1/fr
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
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
FR7216997A 1971-05-13 1972-05-12 Expired FR2137813B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14316671A 1971-05-13 1971-05-13

Publications (2)

Publication Number Publication Date
FR2137813A1 FR2137813A1 (fr) 1972-12-29
FR2137813B1 true FR2137813B1 (fr) 1979-05-25

Family

ID=22502880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216997A Expired FR2137813B1 (fr) 1971-05-13 1972-05-12

Country Status (5)

Country Link
US (1) US3715613A (fr)
DE (1) DE2223057A1 (fr)
FR (1) FR2137813B1 (fr)
GB (1) GB1384120A (fr)
NL (1) NL7206550A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190778A (en) * 1976-01-09 1980-02-26 Siemens Aktiengesellschaft A.C. supplied integrated semi-conductor logic circuit
DE2804716A1 (de) * 1977-02-11 1978-08-17 Varian Associates Bogenlampenkolben
US4179037A (en) * 1977-02-11 1979-12-18 Varian Associates, Inc. Xenon arc lamp with compressive ceramic to metal seals
JPS5757895U (fr) * 1980-09-24 1982-04-05
US4599540A (en) * 1984-07-16 1986-07-08 Ilc Technology, Inc. High intensity arc lamp
US5903088A (en) * 1994-06-21 1999-05-11 Ushiodenki Kabushiki Kaisha Short arc lamp having a thermally conductive ring
US5879159A (en) * 1996-12-24 1999-03-09 Ion Laser Technology, Inc. Portable high power arc lamp system and applications therefor
EP0990260A2 (fr) * 1997-01-10 2000-04-05 Britesmile, Inc. Lampe a arc haute pression equipee d'un reflecteur interne et applications en decoulant
WO2002015347A1 (fr) * 2000-08-17 2002-02-21 Mitsubishi Denki Kabushiki Kaisha Douille de lampe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190528A (en) * 1936-03-13 1940-02-13 Gen Electric Electric projection device
US2556855A (en) * 1946-08-30 1951-06-12 Raytheon Mfg Co Gaseous discharge device
US2596697A (en) * 1947-12-08 1952-05-13 Krefft Hermann Eduard Electrical discharge lamp
US3502929A (en) * 1967-07-14 1970-03-24 Varian Associates High intensity arc lamp
US3549934A (en) * 1969-01-07 1970-12-22 Us Army Resonance shield for high pressure short-arc lamps

Also Published As

Publication number Publication date
US3715613A (en) 1973-02-06
FR2137813A1 (fr) 1972-12-29
DE2223057A1 (de) 1972-11-23
NL7206550A (fr) 1972-11-15
GB1384120A (en) 1975-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse