Title:
点灯装置、照明器具、及びそれを備える車両
Document Type and Number:
Japanese Patent JP6799807
Kind Code:
B2
Abstract:
A lighting device includes a current outputter, a load characteristic obtainer and a controller. The current outputter is configured to supply a current to a light source of at least one light source unit. The load characteristic obtainer is configured to obtain load information from a corresponding load information outputter of the at least one light source unit, by supplying the electric power to the load information outputter. The controller is configured to control the current of the current outputter, which is supplied to the light source, based on the load information. The load characteristic obtainer is configured to supply the electric power to the corresponding load information outputter only during a time period of obtaining the load information, but stop supply of the electric power to the corresponding load information outputter during a time period other than the time period of obtaining the load information.
Inventors:
Takashi Kambara
Application Number:
JP2016168429A
Publication Date:
December 16, 2020
Filing Date:
August 30, 2016
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H05B44/00; B60Q1/04; H05B47/135
Domestic Patent References:
| JP2016021351A | ||||
| JP2006351484A | ||||
| JP2013222548A | ||||
| JP2016004689A | ||||
| JP2014154472A |
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office
Keisei Nishikawa
Takeshi Sakaguchi
Hidetoshi Kitade
Nakaishi Haruki
Keisei Nishikawa
Takeshi Sakaguchi
Hidetoshi Kitade
Nakaishi Haruki