NL7314374A - - Google Patents

Info

Publication number
NL7314374A
NL7314374A NL7314374A NL7314374A NL7314374A NL 7314374 A NL7314374 A NL 7314374A NL 7314374 A NL7314374 A NL 7314374A NL 7314374 A NL7314374 A NL 7314374A NL 7314374 A NL7314374 A NL 7314374A
Authority
NL
Netherlands
Application number
NL7314374A
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 filed Critical
Publication of NL7314374A publication Critical patent/NL7314374A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
NL7314374A 1972-10-18 1973-10-18 NL7314374A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4806472A GB1356893A (en) 1972-10-18 1972-10-18 Tungsten-halogen cycle electric incandescent lamps

Publications (1)

Publication Number Publication Date
NL7314374A true NL7314374A (de) 1974-04-22

Family

ID=10447227

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7314374A NL7314374A (de) 1972-10-18 1973-10-18

Country Status (5)

Country Link
US (1) US3919578A (de)
JP (1) JPS4995482A (de)
DE (1) DE2352195A1 (de)
GB (1) GB1356893A (de)
NL (1) NL7314374A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3266909D1 (en) * 1981-06-23 1985-11-21 Emi Plc Thorn Tungsten halogen incandescent lamps and mixed filling of gas and halogen compounds
US4998038A (en) * 1988-12-05 1991-03-05 Kabushiki Kaisha Toshiba Pitted light diffusive coating, a method of forming the coating and a lamp having the coating

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135014C (de) * 1966-09-20
GB1276828A (en) * 1970-10-15 1972-06-07 Thorn Electrical Ind Ltd Manufacture of tungsten halogen lamps
US3712701A (en) * 1971-08-27 1973-01-23 British Lighting Ind Ltd Electric incandescent lamps

Also Published As

Publication number Publication date
US3919578A (en) 1975-11-11
GB1356893A (en) 1974-06-19
DE2352195A1 (de) 1974-05-02
JPS4995482A (de) 1974-09-10

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Legal Events

Date Code Title Description
BV The patent application has lapsed