Panasonic Intellectual Property Management Co., Ltd.

Shigehiro Miura

Tomoaki Sasaki

Kei Miura

Kiyoshi Gotou

Taku Haraguchi

Takeo Suzuki

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.

Dimming device and illumination system using same

The device control system includes: a device controller connected to a load device via a signal line; a wireless master connected to the signal line; and a wireless slave. The device controller outputs a first control signal indicative of an intended state of the load device when receiving a second control signal from the wireless slave via the wireless master or receiving via the signal line a third control signal sent in response to a state check signal. When receiving a state change notice sent in response to the first control signal, the device controller sends the state change notice to the wireless master. When receiving the state change notice, the wireless master sends the received state change notice to the wireless slave.

Growing community of inventors

Aichi, Japan

Shigehiro Miura