BE438506A - - Google Patents

Info

Publication number
BE438506A
BE438506A BE438506DA BE438506A BE 438506 A BE438506 A BE 438506A BE 438506D A BE438506D A BE 438506DA BE 438506 A BE438506 A BE 438506A
Authority
BE
Belgium
Application number
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.)
Publication of BE438506A publication Critical patent/BE438506A/xx

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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
BE438506D 1939-04-01 BE438506A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL538855X 1939-04-01

Publications (1)

Publication Number Publication Date
BE438506A true BE438506A (enrdf_load_html_response)

Family

ID=19787240

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438506D BE438506A (enrdf_load_html_response) 1939-04-01

Country Status (6)

Country Link
US (1) US2267821A (enrdf_load_html_response)
BE (1) BE438506A (enrdf_load_html_response)
DE (1) DE730066C (enrdf_load_html_response)
FR (1) FR865414A (enrdf_load_html_response)
GB (1) GB538855A (enrdf_load_html_response)
NL (1) NL52397C (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942062A (en) * 1974-10-15 1976-03-02 Rca Corporation Metal vapor laser discharge device
HU191673B (en) * 1984-06-12 1987-03-30 Tungsram Reszvenytarsasag High-pressure sodium lamp with improved colour response
US4591721A (en) * 1984-10-10 1986-05-27 Andors Analyzers Incorporated Oxygen analysis employing absorption spectroscopy
US4798997A (en) * 1985-12-26 1989-01-17 Canon Kabushiki Kaisha Lighting device
US4797598A (en) * 1986-06-19 1989-01-10 Canon Kabushiki Kaisha Illumination apparatus

Also Published As

Publication number Publication date
GB538855A (en) 1941-08-19
US2267821A (en) 1941-12-30
NL52397C (enrdf_load_html_response)
FR865414A (fr) 1941-05-23
DE730066C (de) 1943-01-06

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