FR48790E - Electric mercury vapor discharge lamp with rare gas base filling - Google Patents

Electric mercury vapor discharge lamp with rare gas base filling

Info

Publication number
FR48790E
FR48790E FR48790DA FR48790E FR 48790 E FR48790 E FR 48790E FR 48790D A FR48790D A FR 48790DA FR 48790 E FR48790 E FR 48790E
Authority
FR
France
Prior art keywords
discharge lamp
rare gas
mercury vapor
vapor discharge
gas base
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
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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
Priority claimed from GB2605836A external-priority patent/GB476833A/en
Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR48790E publication Critical patent/FR48790E/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
    • H01J61/84—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
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
FR48790D 1935-08-29 1937-09-15 Electric mercury vapor discharge lamp with rare gas base filling Expired FR48790E (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP71723D DE646241C (en) 1935-08-29 1935-08-29 Electric mercury vapor discharge lamp with a noble gas base filling, the operating vapor pressure of which is more than 20 atmospheres
DE2135734X 1936-09-15
GB2605836A GB476833A (en) 1936-09-25 1936-09-25 Improvements in or relating to high-pressure metal-vapour electric discharge lamps
DE2135661X 1937-01-15

Publications (1)

Publication Number Publication Date
FR48790E true FR48790E (en) 1938-06-23

Family

ID=32045958

Family Applications (2)

Application Number Title Priority Date Filing Date
FR810098D Expired FR810098A (en) 1935-08-29 1936-08-06 Electric vapor discharge lamp with rare gas base filling
FR48790D Expired FR48790E (en) 1935-08-29 1937-09-15 Electric mercury vapor discharge lamp with rare gas base filling

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR810098D Expired FR810098A (en) 1935-08-29 1936-08-06 Electric vapor discharge lamp with rare gas base filling

Country Status (5)

Country Link
US (3) US2103041A (en)
DE (1) DE646241C (en)
FR (2) FR810098A (en)
GB (3) GB456608A (en)
NL (1) NL48532C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875687C (en) * 1938-10-05 1953-05-04 Electricitaets Ges Sanitas M B Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc
US2567491A (en) * 1943-12-29 1951-09-11 Mitchell John Wesley Luminous discharge tube
US2545884A (en) * 1946-01-18 1951-03-20 Gen Electric High-pressure mercury vapor electric discharge lamp
US2518944A (en) * 1948-02-13 1950-08-15 Gen Electric Electric discharge device seal
US2716713A (en) * 1950-03-22 1955-08-30 Gen Electric Cold electrode pulse lamp structure
US2707247A (en) * 1951-06-05 1955-04-26 Hanovia Chemical & Mfg Co Vapor electric discharge lamp
GB835183A (en) * 1957-05-07 1960-05-18 Philips Electrical Ind Ltd Improvements in or relating to low-pressure mercury vapour discharge tubes
US2939985A (en) * 1957-10-09 1960-06-07 Philips Corp Low-pressure mercury vapour discharge tube
US3219870A (en) * 1963-06-14 1965-11-23 Gen Electric High pressure discharge lamps seal and base
US3293493A (en) * 1963-09-25 1966-12-20 Gen Electric Light source for color synthesis
US4202999A (en) * 1978-04-11 1980-05-13 General Electric Company Fused silica lamp envelope and seal
DE2833896A1 (en) * 1978-08-02 1980-02-21 Patra Patent Treuhand MELTING DOWN FOR ELECTRIC LAMPS
GB2105904B (en) * 1981-09-04 1985-10-23 Emi Plc Thorn High pressure discharge lamps
US5312472A (en) * 1992-09-23 1994-05-17 Spectra-Physics Lasers, Inc. Method for manufacturing resonant cavity for laser

Also Published As

Publication number Publication date
US2135734A (en) 1938-11-08
GB468643A (en) 1937-07-09
GB456608A (en) 1936-11-12
DE646241C (en) 1937-06-14
US2103041A (en) 1937-12-21
NL48532C (en) 1940-06-15
FR810098A (en) 1937-03-15
GB478368A (en) 1938-01-18
US2135661A (en) 1938-11-08

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