Qun Song

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ShangHai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Infrared inductive light switch using triac trigger-control and ear...
- Patent number 6,369,517
- Issue date Apr 9, 2002
- Pericom Technology (Shanghai) Co., Ltd.
- Qun Song
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Infrared inductive light switch using triac trigger-control and ear...
- Publication number 20020000758
- Publication date Jan 3, 2002
- Qun Song
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...