Assignee
ZHOU DALIN
CN3 patents
Top patents by PatentIndex Score
US9203379B2Dec 1, 2015
Electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof
ZHOU DALIN0 citations38
US9042533B2May 26, 2015
Dual-channel analog door entry system and a method thereof
ZHOU DALIN0 citations28
US9641023B2May 2, 2017
Standby power supply circuit for 2-wire bus intercom system and apparatus thereof
ZHOU DALIN0 citations27