JPS52113074A - Halogen sealed electric bulb - Google Patents

Halogen sealed electric bulb

Info

Publication number
JPS52113074A
JPS52113074A JP2088976A JP2088976A JPS52113074A JP S52113074 A JPS52113074 A JP S52113074A JP 2088976 A JP2088976 A JP 2088976A JP 2088976 A JP2088976 A JP 2088976A JP S52113074 A JPS52113074 A JP S52113074A
Authority
JP
Japan
Prior art keywords
sealed electric
electric bulb
halogen sealed
halogen
bulb
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2088976A
Other languages
Japanese (ja)
Other versions
JPS544193B2 (en
Inventor
Yoji Yuge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2088976A priority Critical patent/JPS52113074A/en
Publication of JPS52113074A publication Critical patent/JPS52113074A/en
Publication of JPS544193B2 publication Critical patent/JPS544193B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Abstract

PURPOSE: To provide a halogen sealed electric bulb particularly of high efficiency and long life by preventing the blackening of the bulb wall through regulation of the quantity of potassium emitted from the tungsten filament.
COPYRIGHT: (C)1977,JPO&Japio
JP2088976A 1976-02-27 1976-02-27 Halogen sealed electric bulb Granted JPS52113074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2088976A JPS52113074A (en) 1976-02-27 1976-02-27 Halogen sealed electric bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2088976A JPS52113074A (en) 1976-02-27 1976-02-27 Halogen sealed electric bulb

Publications (2)

Publication Number Publication Date
JPS52113074A true JPS52113074A (en) 1977-09-21
JPS544193B2 JPS544193B2 (en) 1979-03-03

Family

ID=12039770

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2088976A Granted JPS52113074A (en) 1976-02-27 1976-02-27 Halogen sealed electric bulb

Country Status (1)

Country Link
JP (1) JPS52113074A (en)

Also Published As

Publication number Publication date
JPS544193B2 (en) 1979-03-03

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