JPS648919B2 - - Google Patents

Info

Publication number
JPS648919B2
JPS648919B2 JP58079639A JP7963983A JPS648919B2 JP S648919 B2 JPS648919 B2 JP S648919B2 JP 58079639 A JP58079639 A JP 58079639A JP 7963983 A JP7963983 A JP 7963983A JP S648919 B2 JPS648919 B2 JP S648919B2
Authority
JP
Japan
Prior art keywords
switch
resistor
light source
level
brightness
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.)
Expired
Application number
JP58079639A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5946793A (ja
Inventor
Shinichi Ootaki
Kazuo Itakura
Nobuo Yokoyama
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 Electric Equipment Corp
Original Assignee
Toshiba Electric Equipment Corp
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 Electric Equipment Corp filed Critical Toshiba Electric Equipment Corp
Priority to JP58079639A priority Critical patent/JPS5946793A/ja
Publication of JPS5946793A publication Critical patent/JPS5946793A/ja
Publication of JPS648919B2 publication Critical patent/JPS648919B2/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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP58079639A 1983-05-06 1983-05-06 照明装置 Granted JPS5946793A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58079639A JPS5946793A (ja) 1983-05-06 1983-05-06 照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58079639A JPS5946793A (ja) 1983-05-06 1983-05-06 照明装置

Publications (2)

Publication Number Publication Date
JPS5946793A JPS5946793A (ja) 1984-03-16
JPS648919B2 true JPS648919B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-15

Family

ID=13695666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58079639A Granted JPS5946793A (ja) 1983-05-06 1983-05-06 照明装置

Country Status (1)

Country Link
JP (1) JPS5946793A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481601U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-11-26 1992-07-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481601U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-11-26 1992-07-16

Also Published As

Publication number Publication date
JPS5946793A (ja) 1984-03-16

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