US 11,968,760 B2
Irradiation angle adjustment method and system of lamp and lamp with adjustable irradiation angle
Zhijun Li, Shanghai (CN); Jun Wu, Shanghai (CN); and Zhenghua Zhang, Shanghai (CN)
Assigned to OPPLE LIGHTING CO., LTD., Shanghai (CN)
Filed by OPPLE LIGHTING CO., LTD., Shanghai (CN)
Filed on Aug. 13, 2021, as Appl. No. 17/402,266.
Application 17/402,266 is a continuation of application No. PCT/CN2019/130138, filed on Dec. 30, 2019.
Claims priority of application No. 201910074698.4 (CN), filed on Jan. 25, 2019; and application No. 201920138528.3 (CN), filed on Jan. 25, 2019.
Prior Publication US 2021/0378075 A1, Dec. 2, 2021
Int. Cl. H05B 47/13 (2020.01); F21V 21/14 (2006.01)
CPC H05B 47/13 (2020.01) [F21V 21/14 (2013.01)] 16 Claims
OG exemplary drawing
 
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.