Title:
LIGHTING DEVICE AND ILLUMINATION DEVICE
Document Type and Number:
Japanese Patent JP2021174608
Kind Code:
A
Abstract:
To obtain a lighting device and an illumination device that can suppress a difference in illuminance between light source units.SOLUTION: A lighting device according to the present disclosure includes a lighting circuit that lights a first light source, and a control circuit that controls the lighting circuit so as to reduce a difference between the illuminance of light emitted by the first light source and the illuminance of light emitted by the second light source according to a signal from an illuminance sensor.SELECTED DRAWING: Figure 1
Inventors:
IIJIMA TAKUMI
HAMAZAKI KENJI
IWASAWA SHINJI
HAMAZAKI KENJI
IWASAWA SHINJI
Application Number:
JP2020075413A
Publication Date:
November 01, 2021
Filing Date:
April 21, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC LIGHTING CORP
MITSUBISHI ELECTRIC LIGHTING CORP
International Classes:
H05B45/325; H05B45/14; H05B45/355; H05B45/3725
Attorney, Agent or Firm:
Mamoru Takada
Hideki Takahashi
Yoshimi Kuno
Hideki Takahashi
Yoshimi Kuno