Title:
LIGHTING SYSTEM
Document Type and Number:
Japanese Patent JPH08264281
Kind Code:
A
Abstract:
PURPOSE: To lengthen the life of an incandescent lamp as securing required illuminance on an irradiated surface.
CONSTITUTION: In a lighting system, plural incandescent lamps 1 disposed in a predetermined block are respectively dimming controlled in a certain cycle of light and darkness. The respective incandescent lamps 1 are dimming controlled in a predetermined order and as successively staggering so that all the incandescent lamps 1 are not allowed to be a dark state at a same time, and so that the illuminance on an irradiated surface in a predetermined block which is irradiated by the plural incandescent lamps 1 is hardly changed.
Inventors:
NAGAO YOSHIAKI
Application Number:
JP6739695A
Publication Date:
October 11, 1996
Filing Date:
March 27, 1995
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
F21S2/00; H05B37/02; H05B39/04; (IPC1-7): H05B37/02; F21S7/00; H05B39/04
Attorney, Agent or Firm:
Shigeji Sato (1 person outside)
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