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Fujian, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Standby power supply circuit for 2-wire bus intercom system and app...
Patent number
9,641,023
Issue date
May 2, 2017
ABB Schweiz AG
Dalin Zhou
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electronic inductance circuit for the power supply of a 2-wire bus...
Patent number
9,203,379
Issue date
Dec 1, 2015
ABB Technology Ltd.
Dalin Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dual-channel analog door entry system and a method thereof
Patent number
9,042,533
Issue date
May 26, 2015
ABB Technology Ltd.
Dalin Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
STANDBY POWER SUPPLY CIRCUIT FOR 2-WIRE BUS INTERCOM SYSTEM AND APP...
Publication number
20140252861
Publication date
Sep 11, 2014
ABB TECHNOLOGY LTD.
Dalin Zhou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DUAL-CHANNEL ANALOG DOOR ENTRY SYSTEM AND A METHOD THEREOF
Publication number
20140241516
Publication date
Aug 28, 2014
ABB Technology Ltd.
Dalin Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRONIC INDUCTANCE CIRCUIT FOR THE POWER SUPPLY OF A 2-WIRE BUS...
Publication number
20140232370
Publication date
Aug 21, 2014
ABB Technology Ltd.
Dalin Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE