CPC H05B 47/13 (2020.01) [F21V 21/14 (2013.01)] | 16 Claims |
1. An irradiation angle adjustment method of a lamp that comprises a plurality of infrared receivers and a driving motor, comprising:
receiving an infrared signal from a remote controller via the plurality of infrared receivers;
determining an irradiation angle adjustment value of the lamp based on a plurality of infrared signal intensity values of the plurality of infrared receivers;
adjusting an irradiation angle of the lamp via the driving motor based on the irradiation angle adjustment value;
receiving an irradiation angle adjustment stop signal from the remote controller; and
stopping adjusting the irradiation angle of the lamp via the driving motor.
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