Huayin Zheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Wireless earthquake alarm based on mems accelerometers
- Patent number 8,686,850
- Issue date Apr 1, 2014
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Tao Zeng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS EARTHQUAKE ALARM BASED ON MEMS ACCELEROMETERS
- Publication number 20110037588
- Publication date Feb 17, 2011
- Tao ZENG
- G08 - SIGNALLING