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Title:
ELECTRONIC CANDLE
Document Type and Number:
Japanese Patent JP3771244
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an electronic candle expressing flickering of blaze of a candle without using liquid crystal.
SOLUTION: A CPU 3 switches on/off transistors Q1 to Q9 by a PWM control according to a program incorporated in it, keeps a ratio of lighting time constant within the same element in each light-emitting elements R1 to B1, R2 to B2, R3 to B3 of light-emitting diodes LED1 to LED3, and controls lighting of each light-emitting diode to express the flickering without changing color phases in a chimney through a receptacle.


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Inventors:
Koji Yano
Application Number:
JP2004172907A
Publication Date:
April 26, 2006
Filing Date:
June 10, 2004
Export Citation:
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Assignee:
Sun Electronics Co., Ltd.
International Classes:
F21S6/00; F21S10/00; F21S9/02; H05B37/02; F21Y101/02; (IPC1-7): H05B37/02; F21S6/00; F21S10/00; //F21Y101:02
Domestic Patent References:
JP10106760A
JP2002199978A
Attorney, Agent or Firm:
Hidehiko Ito
Morishita Hachiro
Hiroyuki Yoshida



 
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