CH533359A - Electric light bulb - Google Patents

Electric light bulb

Info

Publication number
CH533359A
CH533359A CH1929570A CH1929570A CH533359A CH 533359 A CH533359 A CH 533359A CH 1929570 A CH1929570 A CH 1929570A CH 1929570 A CH1929570 A CH 1929570A CH 533359 A CH533359 A CH 533359A
Authority
CH
Switzerland
Prior art keywords
light bulb
electric light
electric
bulb
light
Prior art date
Application number
CH1929570A
Other languages
German (de)
Inventor
Takahashi Thoshio
Sato Hideyuki
Original Assignee
Iwasaki Electric Co Ltd
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 by Iwasaki Electric Co Ltd filed Critical Iwasaki Electric Co Ltd
Publication of CH533359A publication Critical patent/CH533359A/en

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
CH1929570A 1969-12-29 1970-12-29 Electric light bulb CH533359A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44105138A JPS4816558B1 (en) 1969-12-29 1969-12-29

Publications (1)

Publication Number Publication Date
CH533359A true CH533359A (en) 1973-01-31

Family

ID=14399374

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1929570A CH533359A (en) 1969-12-29 1970-12-29 Electric light bulb

Country Status (6)

Country Link
JP (1) JPS4816558B1 (en)
BE (1) BE760847A (en)
CH (1) CH533359A (en)
FR (1) FR2074275A5 (en)
GB (1) GB1337400A (en)
NL (1) NL153022B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532229Y2 (en) * 1975-06-03 1980-07-31
JPS529258A (en) * 1975-07-10 1977-01-24 Takeyoshi Hara Suspension beam
GB8302494D0 (en) * 1983-01-29 1983-03-02 Emi Plc Thorn Tungsten halogen incandescent lamps
JPH05134422A (en) * 1991-11-12 1993-05-28 Fuji Photo Film Co Ltd Printing plate carrying device

Also Published As

Publication number Publication date
BE760847A (en) 1971-05-27
JPS4816558B1 (en) 1973-05-23
DE2063530B2 (en) 1972-07-27
DE2063530A1 (en) 1971-07-22
NL153022B (en) 1977-04-15
FR2074275A5 (en) 1971-10-01
NL7018714A (en) 1971-07-01
GB1337400A (en) 1973-11-14

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Legal Events

Date Code Title Description
PL Patent ceased