Title:
LIGHTING FIXTURE WITH EMERGENCY LIGHT FUNCTION
Document Type and Number:
Japanese Patent JP2012028292
Kind Code:
A
Abstract:
To provide a lighting fixture with an emergency light function which can be lighted for a while upon interruption of power supply regardless of the state of a switch for operating the lighting fixture.
A circuit element such as a resistor which unlights a lighting fixture when the power switch of the lighting fixture is turned off but can detect the power supply state in the lighting fixture is connected to the opposite ends of the power switch for the lighting fixture. Service interruption state and off state of the power switch are discriminated, and the lighting fixture can be lighted during service interruption regardless of the on/off state of the power switch.
Inventors:
ONISHI NORIO
Application Number:
JP2010178060A
Publication Date:
February 09, 2012
Filing Date:
July 20, 2010
Export Citation:
Assignee:
ONISHI NORIO
International Classes:
H05B37/02; F21S9/02; F21V23/00; F21Y101/00; F21Y101/02; F21Y103/00