Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2011222293
Kind Code:
A
Abstract:
To provide a lighting device capable of increasing flexibility in illumination control and performing high-level direction using illumination light.
A CPU includes: steps ST1 to ST2 of displaying a color picker on a display to prompt a user to perform designation of color; step ST4 of converting color information designated in the steps ST1 to ST2 into a PWM signal having a duty ratio corresponding thereto by a color information/PWM conversion circuit; and step ST5 of controlling the lighting of an LED of an LED illumination unit by a PWM control lighting circuit in accordance with the duty ratio of the PWM signal.
Inventors:
SHINSHI KATSUHIDE
FUJIWARA KEITA
KAMIZUMA SHIRO
OSHIMA TAKASHI
FUJIWARA KEITA
KAMIZUMA SHIRO
OSHIMA TAKASHI
Application Number:
JP2010090128A
Publication Date:
November 04, 2011
Filing Date:
April 09, 2010
Export Citation:
Assignee:
SHINSHI KATSUHIDE
KANSEI DEVICES:KK
MIYAIRI VALVE SEISAKUSHO:KK
KANSEI DEVICES:KK
MIYAIRI VALVE SEISAKUSHO:KK
International Classes:
F21S10/02; F21Y101/02
Attorney, Agent or Firm:
Tetsuro Maki
Maki Reiko
Kimio Kikutani
Maki Reiko
Kimio Kikutani