Title:
LIGHTING DEVICE FOR DISCHARGE LAMP AND LIGHTING APPARATUS
Document Type and Number:
Japanese Patent JP2001185374
Kind Code:
A
Abstract:
To provide a lighting device for discharge lamp and a lighting apparatus for which usage life can be correctly grasped.
In this device, when the lighting time of a discharge lamp which has been accumulated in an accumulation counter 6 has surpassed a preset point, a decision means 7 judges that a life time has arrived. When the decision means 7 decides that a life time has arrived, a protection action means takes a protective action and a communication means 9 communicates to the outside of an action.
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Inventors:
KOZUKA HIDEO
SHIMIZU KEIICHI
SASAI TOSHIHIKO
MITA KAZUTOSHI
TAKAHASHI YUJI
KAMATA MASAHIKO
MATSUMOTO SHINICHIRO
SHIMIZU KEIICHI
SASAI TOSHIHIKO
MITA KAZUTOSHI
TAKAHASHI YUJI
KAMATA MASAHIKO
MATSUMOTO SHINICHIRO
Application Number:
JP36893999A
Publication Date:
July 06, 2001
Filing Date:
December 27, 1999
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
H05B41/16; (IPC1-7): H05B41/16
Attorney, Agent or Firm:
Mitani Kei
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