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AssigneePanasonic Corporation
InventorsTamotsu ANDO, Tatsumi SETOMOTO
Estimating the term…
A lighting device which includes: a light source; a receiving unit which receives a control signal from outside the lighting device via wireless communication; and a control unit which causes the light source to emit light according to the control signal received by the receiving unit. When the receiving unit receives, from the outside the lighting device via the wireless communication, a test signal different from the control signal and for determining a state of the wireless communication, the control unit calculates a packet error rate of the test signal received by the receiving unit and causes the light source to emit light such that an emission state is changed according to a communication quality of the wireless communication determined based on at least the calculated packet error rate.
A lighting device comprising:
A method of controlling a lighting device which externally receives a control signal via wireless communication and emits light according to the received control signal, the method comprising, when the lighting device receives, via the wireless communication, a test signal different from the control signal and for determining a state of the wireless communication:
A lighting system comprising:
Dependencies are inferred from the claim text.