NL42973C - - Google Patents

Info

Publication number
NL42973C
NL42973C NL42973DA NL42973C NL 42973 C NL42973 C NL 42973C NL 42973D A NL42973D A NL 42973DA NL 42973 C NL42973 C NL 42973C
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 NL42973C publication Critical patent/NL42973C/xx

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/46—Circuits providing for substitution in case of failure of the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
NL42973D 1934-12-08 NL42973C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35343/34A GB447428A (en) 1934-12-08 1934-12-08 Improvements relating to electric lamps

Publications (1)

Publication Number Publication Date
NL42973C true NL42973C (enrdf_load_html_response)

Family

ID=10376670

Family Applications (1)

Application Number Title Priority Date Filing Date
NL42973D NL42973C (enrdf_load_html_response) 1934-12-08

Country Status (5)

Country Link
US (1) US2112993A (enrdf_load_html_response)
BE (1) BE412488A (enrdf_load_html_response)
DE (1) DE679111C (enrdf_load_html_response)
GB (1) GB447428A (enrdf_load_html_response)
NL (1) NL42973C (enrdf_load_html_response)

Also Published As

Publication number Publication date
DE679111C (de) 1939-07-29
US2112993A (en) 1938-04-05
GB447428A (en) 1936-05-19
BE412488A (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
BE402837A (enrdf_load_html_response)
BE403371A (enrdf_load_html_response)
BE350814A (enrdf_load_html_response)
BE355850A (enrdf_load_html_response)
BE384004A (enrdf_load_html_response)
BE399909A (enrdf_load_html_response)
BE412488A (enrdf_load_html_response)
BE400945A (enrdf_load_html_response)
BE401025A (enrdf_load_html_response)
BE402957A (enrdf_load_html_response)
BE401211A (enrdf_load_html_response)
BE401222A (enrdf_load_html_response)
BE401226A (enrdf_load_html_response)
BE401237A (enrdf_load_html_response)
BE401496A (enrdf_load_html_response)
BE401688A (enrdf_load_html_response)
BE401891A (enrdf_load_html_response)
BE401946A (enrdf_load_html_response)
BE401979A (enrdf_load_html_response)
BE402205A (enrdf_load_html_response)
BE402207A (enrdf_load_html_response)
BE402225A (enrdf_load_html_response)
BE402339A (enrdf_load_html_response)
BE402346A (enrdf_load_html_response)
BE402391A (enrdf_load_html_response)