Tengfei WU

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Patents Grantslast 30 patents

Information Patent Grant
High-precision rotation speed measurement method based on femtoseco...
- Patent number 11,921,400
- Issue date Mar 5, 2024
- Beijing Changcheng Institute of Metrology & Measurement, AVIC
- Chuanqing Xia
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PHOTONIC DOPPLER VELOCIMETRY (PDV) SYSTEM FOR ULTRA-HIGH-SPEED INST...
- Publication number 20230184945
- Publication date Jun 15, 2023
- Beijing Changcheng Institute of Metrology & Measurement, AVIC
- Tengfei WU
- G01 - MEASURING TESTING
Information Patent Application
HIGH-PRECISION ROTATION SPEED MEASUREMENT METHOD BASED ON FEMTOSECO...
- Publication number 20230070024
- Publication date Mar 9, 2023
- Beijing Changcheng Institute of Metrology & Measurement, AVIC
- Chuanqing XIA
- G02 - OPTICS
Information Patent Application
LARGE-SCALE AND HIGH-PRECISION ABSOLUTE DISTANCE MEASUREMENT SYSTEM...
- Publication number 20230074319
- Publication date Mar 9, 2023
- Beijing Changcheng Institute of Metrology & Measurement, AVIC
- Tengfei WU
- G01 - MEASURING TESTING
Information Patent Application
DUAL FEMTOSECOND OPTICAL FREQUENCY COMB GENERATION DEVICE
- Publication number 20190212629
- Publication date Jul 11, 2019
- Beijing Changcheng Institute of Metrology & Measurement,Aviation Industry Cor...
- Tengfei WU
- H01 - BASIC ELECTRIC ELEMENTS