Title:
点灯装置、照明器具および照明システム
Document Type and Number:
Japanese Patent JP7310991
Kind Code:
B2
Abstract:
To provide a lighting device, a luminaire, and an illumination system that can suppress discomfort caused by light emitted from a light source, regarding lighting devices, luminaires, and illumination systems.SOLUTION: A lighting device according to the present disclosure includes: a lighting circuit that turns on a light source; a control unit that controls the lighting circuit; and an interface that supplies a power supply to an external unit. When the external unit is not connected after an external power supply is supplied to the lighting circuit, the control unit turns on the light source at a predetermined dimming rate after a predetermined time elapses, whereas when the external unit is connected, the control unit turns on the light source according to a dimming command value transmitted from the external unit after a period of time longer than the predetermined time elapses.SELECTED DRAWING: Figure 1
Inventors:
Katsunori Suedome
Takashi Maeda
Sadaharu Otsu
Takashi Maeda
Sadaharu Otsu
Application Number:
JP2022117217A
Publication Date:
July 19, 2023
Filing Date:
July 22, 2022
Export Citation:
Assignee:
Mitsubishi Electric Corporation
Mitsubishi Electric Lighting Co., Ltd.
Mitsubishi Electric Lighting Co., Ltd.
International Classes:
H05B47/175; H05B47/16
Domestic Patent References:
| JP2013069501A | ||||
| JP2017050085A |
Attorney, Agent or Firm:
Patent Attorney Takada / Takahashi International Patent Office
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