NL34272C - - Google Patents

Info

Publication number
NL34272C
NL34272C NL34272DA NL34272C NL 34272 C NL34272 C NL 34272C NL 34272D A NL34272D A NL 34272DA NL 34272 C NL34272 C NL 34272C
Authority
NL
Netherlands
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 NL34272C publication Critical patent/NL34272C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
NL34272D 1931-11-06 NL34272C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE400756X 1931-11-06

Publications (1)

Publication Number Publication Date
NL34272C true NL34272C (fr)

Family

ID=6401841

Family Applications (1)

Application Number Title Priority Date Filing Date
NL34272D NL34272C (fr) 1931-11-06

Country Status (4)

Country Link
US (1) US2042261A (fr)
FR (1) FR741605A (fr)
GB (1) GB400756A (fr)
NL (1) NL34272C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706784A (en) * 1950-06-20 1955-04-19 Bell Telephone Labor Inc Noise source
US3259779A (en) * 1951-11-17 1966-07-05 Westinghouse Electric Corp Improving efficiency of infrared radiation generation by alkali metal vapor lamps and prolonging their useful lives
US2980819A (en) * 1958-07-01 1961-04-18 Westinghouse Electric Corp Thermal energy converter
NL6511266A (fr) * 1965-08-28 1967-03-01
US3917971A (en) * 1974-03-22 1975-11-04 Gte Sylvania Inc Metal halide discharge lamp having a thermally insulative end coating
DE3702481A1 (de) * 1987-01-28 1988-08-11 Philips Patentverwaltung Gasentladungslampe

Also Published As

Publication number Publication date
FR741605A (fr) 1933-02-16
US2042261A (en) 1936-05-26
GB400756A (en) 1933-11-02

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