Dimming device and illumination system using same

A dimming device includes: a communication unit to receive a control signal for controlling a lighting state of an illumination load; a dimming circuit to dim the illumination load; a dimming circuit driving unit to control the dimming circuit to change a dimming level of the illumination load in re...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Suzuki Takeo, Miura Shigehiro, Miura Kei, Gotou Kiyoshi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A dimming device includes: a communication unit to receive a control signal for controlling a lighting state of an illumination load; a dimming circuit to dim the illumination load; a dimming circuit driving unit to control the dimming circuit to change a dimming level of the illumination load in response to the control signal; a relay connected between the illumination load and the dimming circuit; a relay driving unit to control on/off of the relay according to the control signal; a measurement unit configured to measure a load state of the illumination load and a control unit to cause the notification unit to notify the overload state, when it is determined by the measurement unit that the illumination load is in the overload state.