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Patent Searching and Data


Title:
VEHICULAR LED LIGHTING CONTROL DEVICE AND METHOD FOR CONTROLLING VEHICULAR LED LIGHTING CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/163078
Kind Code:
A1
Abstract:
This vehicular LED lighting control device is provided with: an LED thyristor having a cathode connected to an electric generator terminal; an LED capacitor having one end connected to an anode of the LED thyristor and having the other end connected to a ground terminal; an LED lamp having a cathode connected to one end of the LED capacitor; an LED resistor having one end connected to an anode of the LED lamp and having the other end connected to the other end of the LED capacitor; a voltage detection circuit for detecting an electric generator terminal voltage of the electric generator terminal; and an LED control circuit for controlling the LED thyristor on the basis of the electric generator terminal voltage detected by the voltage detection circuit and a capacitor voltage at the one end of the LED capacitor.

Inventors:
TAKASHIMA Toyotaka (10-13, Minami-cho, Hanno-sh, Saitama 85, 〒3578585, JP)
Application Number:
JP2018/006642
Publication Date:
August 29, 2019
Filing Date:
February 23, 2018
Export Citation:
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Assignee:
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD. (2-1 Ohtemachi 2-chome, Chiyoda-ku Tokyo, 04, 〒1000004, JP)
International Classes:
H05B37/02; B60Q1/04
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (Kyowa Patent & Law Office, Nippon Life Marunouchi Building 1-6-6, Marunouchi, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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