Title:
ELECTRIC BULB
Document Type and Number:
Japanese Patent JP2005085606
Kind Code:
A
Abstract:
To provide an electric bulb capable of simulating lambently moving random brightness with a simple structure.
This electric bulb comprises: a bulb with a filament installed in its inside; a case having one end disposed on the side of an end of the bulb; a light modulation unit installed in the case and electrically connected to the filament to change a current value of a current flowing through the filament; and a base of an external electrode disposed at the other end of the case and electrically connected to the light modulation unit. The electric bulb is so structured that the bulb, the case, the light modulation unit and the base are integrated together.
Inventors:
NAKAMURA RYUICHI
Application Number:
JP2003316554A
Publication Date:
March 31, 2005
Filing Date:
September 09, 2003
Export Citation:
Assignee:
SANKO CO INC
International Classes:
F21V23/00; F21S9/02; H01K7/06; H05B39/04; H05B41/36; F21Y101/00; (IPC1-7): F21V23/00; H01K7/06; H05B41/36
Attorney, Agent or Firm:
Junichi Ueshima
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