Hongtao Yao

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Light source frequency detection circuit using bipolar transistor
- Patent number 7,847,834
- Issue date Dec 7, 2010
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE FREQUENCY DETECTION CIRCUIT USING BIPOLAR TRANSISTOR
- Publication number 20090128660
- Publication date May 21, 2009
- OmniVision Technologies, Inc.
- Tiejun Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE