Shanghua Feng

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Non-isolated single-inductor circuit for outputting positive and ne...
- Patent number 12,068,727
- Issue date Aug 20, 2024
- GUANGDONG GIWEE TECHNOLOGY CO. LTD.
- Shanghua Feng
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SWITCHING POWER SUPPLY PROTECTION CIRCUIT AND POWER SUPPLY SYSTEM
- Publication number 20240007002
- Publication date Jan 4, 2024
- Guangdong Carrier Heating, Ventilation & Air Conditioning
- Qingjun Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC-SIDE PRECHARGE-ISOLATION-DETECTION CIRCUIT AND AC-SIDE PRECHARGE...
- Publication number 20230420965
- Publication date Dec 28, 2023
- Guangdong Carrier Heating, Ventilation and Air Conditioning Co., Ltd.
- Shanghua Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER