CH497788A - Halogen-filled electric light bulb - Google Patents

Halogen-filled electric light bulb

Info

Publication number
CH497788A
CH497788A CH1604669A CH1604669A CH497788A CH 497788 A CH497788 A CH 497788A CH 1604669 A CH1604669 A CH 1604669A CH 1604669 A CH1604669 A CH 1604669A CH 497788 A CH497788 A CH 497788A
Authority
CH
Switzerland
Prior art keywords
halogen
light bulb
electric light
filled electric
filled
Prior art date
Application number
CH1604669A
Other languages
German (de)
Inventor
Sugano Keiichi
Yuge Yooji
Original Assignee
Tokyo Shibaura Electric Co
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 Tokyo Shibaura Electric Co filed Critical Tokyo Shibaura Electric Co
Publication of CH497788A publication Critical patent/CH497788A/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
CH1604669A 1968-10-28 1969-10-28 Halogen-filled electric light bulb CH497788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7803768 1968-10-28

Publications (1)

Publication Number Publication Date
CH497788A true CH497788A (en) 1970-10-15

Family

ID=13650606

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1604669A CH497788A (en) 1968-10-28 1969-10-28 Halogen-filled electric light bulb

Country Status (4)

Country Link
CH (1) CH497788A (en)
DE (1) DE1954236C3 (en)
FR (1) FR2021715A1 (en)
GB (1) GB1255105A (en)

Also Published As

Publication number Publication date
DE1954236B2 (en) 1979-09-27
DE1954236A1 (en) 1970-05-27
DE1954236C3 (en) 1980-06-26
GB1255105A (en) 1971-11-24
FR2021715A1 (en) 1970-07-24

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Legal Events

Date Code Title Description
PL Patent ceased