According to one embodiment, a plurality of first saturable units respectively include input sections connected to an output side of a constant current power supply apparatus in series to one another and respectively supply outputs to loads corresponding t...

An illumination apparatus (10) includes a determination unit (14a) that determines whether or not the supply of power from the system power supply is performed. In addition, the illumination apparatus (10) includes a control unit (14b) that performs contro...

A lighting control device for a vehicle according to the embodiment includes a display unit (8) ; a control device reception unit which receives non-lighted state information of a light source of a lighting system; and a control device control circuit (2) ...

A luminaire includes a light-emitting module (2), a first lighting circuit (7) and a back-flow preventing circuit (8). The light-emitting module (2) includes a light-emitting element (4) and a capacitive element (5). The first lighting circuit (7) is suppl...

According to one embodiment, a luminaire includes a dim lighting circuit, an emergency unit, a dimming-signal input section, and a dimming control circuit. The dim lighting circuit dimly lights a light source at a dimming ratio corresponding to a dimming s...

A DC power supply feeding system 1 according to one embodiment, includes a DC voltage power supply 2 that outputs a specified voltage by using a commercial AC power supply, a varying voltage power supply 3,4 that generates power by using natural energy and...