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Patent applications and USPTO patent grants for Liu; Jizhong.The latest application filed is for "voice activity detection method, relevant apparatus and device".
Patent | Date |
---|---|
Voice activity detection based on entropy-energy feature Grant 11,138,992 - Liu October 5, 2 | 2021-10-05 |
Voice Activity Detection Method, Relevant Apparatus And Device App 20200058320 - LIU; Jizhong | 2020-02-20 |
Wavelength stabilization and locking for colorless dense wavelength division multiplexing transmitters Grant 8,559,821 - Wen , et al. October 15, 2 | 2013-10-15 |
Method and apparatus for generating optical duobinary signals with enhanced receiver sensitivity and spectral efficiency Grant 8,238,757 - Bai , et al. August 7, 2 | 2012-08-07 |
Wavelength Stabilization and Locking for Colorless Dense Wavelength Division Multiplexing Transmitters App 20110129227 - Wen; Yang Jing ;   et al. | 2011-06-02 |
Method and Apparatus for Generating Optical Duobinary Signals with Enhanced Receiver Sensitivity and Spectral Efficiency App 20080175594 - Bai; Yu Sheng ;   et al. | 2008-07-24 |
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