Dongshi ZHAO

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Xiamen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low power consumption LED constant current drive circuit
- Patent number 10,993,300
- Issue date Apr 27, 2021
- SI EN TECHNOLOGY (XIAMEN) LIMITED
- Dongshi Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
PWM signal generation and error calibration circuit
- Patent number 10,931,265
- Issue date Feb 23, 2021
- SI EN TECHNOLOGY (XIAMEN) LIMITED
- Dongshi Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PWM signal control circuit for driving chip and LED driving chip fo...
- Patent number 10,470,265
- Issue date Nov 5, 2019
- SI-EN TECHNOLOGY (XIAMEN) LIMITED
- Dongshi Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driver chip for car reading light and state control method thereof
- Patent number 9,815,403
- Issue date Nov 14, 2017
- SI-EN TECHNOLOGY (XIAMEN) LIMITED
- Dongshi Zhao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
LED scanning array driver chip and regulation method capable of sel...
- Patent number 9,736,901
- Issue date Aug 15, 2017
- SI-EN TECHNOLOGY (XIAMEN) LIMITED
- Dongshi Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PWM SIGNAL GENERATION AND ERROR CALIBRATION CIRCUIT
- Publication number 20210058072
- Publication date Feb 25, 2021
- Si-En Technology (Xiamen) Limited
- Dongshi Zhao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LED DRIVER CHIP FOR CAR READING LIGHT AND STATE CONTROL METHOD THEREOF
- Publication number 20170197545
- Publication date Jul 13, 2017
- Si-En Technology (Xiamen) Limited
- Dongshi Zhao
- B60 - VEHICLES IN GENERAL
Information Patent Application
LED SCANNING ARRAY DRIVER CHIP AND REGULATION METHOD CAPABLE OF SEL...
- Publication number 20170111969
- Publication date Apr 20, 2017
- Si-En Technology (Xiamen) Limited
- Dongshi Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD FOR COMPENSATING TIMING ERRORS OF REAL-TIME CLOCKS
- Publication number 20150124918
- Publication date May 7, 2015
- SI-EN TECHNOLOGY LIMITED
- Dongshi ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE