Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328140 | Measurement apparatus and method for nonlinear damages in optical link | Zhenning Tao | 2025-06-10 |
| 11777613 | Polarization change tracking apparatus, processing apparatus for received signal and methods thereof | Jingnan Li, Zhenning Tao | 2023-10-03 |
| 11626930 | Polarization recovery apparatus and method thereof and optical receiver | Jingnan Li, Zhenning Tao | 2023-04-11 |
| 11563496 | Phase response measurement method and apparatus | Zhenning Tao | 2023-01-24 |
| 11463172 | Apparatus and method for monitoring polarization change | Jingnan Li, Zhenning Tao | 2022-10-04 |
| 11329724 | State of polarization tracking recovery method and apparatus | Jingnan Li, Zhenning Tao | 2022-05-10 |
| 11108464 | Apparatus and method for determining coefficients of fixed equalizer | Zhenning Tao | 2021-08-31 |
| 11070287 | Method and apparatus for establishing transmission impairment decomposition model for Raman amplified system and system | Jingnan Li, Zhenning Tao | 2021-07-20 |
| 11057106 | Method and apparatus for monitoring modulation depth of dither signal and optical transmitter | Jingnan Li, Zhenning Tao | 2021-07-06 |
| 10917171 | Fiber nonlinear noise monitoring method and apparatus and optical receiver | Ke Zhang, Zhenning Tao | 2021-02-09 |
| 10903911 | Apparatus and method for estimating polarization skew | Zhenning Tao | 2021-01-26 |
| 10892962 | Inter-channel linear crosstalk estimation method and apparatus and receiver | Ke Zhang, Xiaofei SU, Zhenning Tao | 2021-01-12 |
| 10644791 | Impairment monitoring apparatus, impairment monitoring and compensating system and method | Junpeng Liang, Zhenning Tao | 2020-05-05 |
| 10630526 | Estimation apparatus for IQ imbalance of optical transmitter, compensation apparatus for IQ imbalance of optical transmitter and electronic equipment | Zhenning Tao | 2020-04-21 |
| 10574350 | Method and apparatus for estimating direct current bias of optical modulator and receiver | Liang Dou | 2020-02-25 |
| 10560195 | Bias control apparatus and method of modulator of optical transmitter and optical transmitter | Zhenning Tao | 2020-02-11 |
| 10404380 | Compensation apparatus for offset drift, received signal recovery apparatus and receiver | Zhenning Tao | 2019-09-03 |
| 10345673 | Bias control apparatus and method of modulator of optical transmitter and optical transmitter | Zhenning Tao | 2019-07-09 |
| 10230469 | Apparatus for measuring a filtering characteristic, pre-equalizer and optical communication equipment | Liang Dou, Zhenning Tao | 2019-03-12 |
| 10225010 | Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Zhenning Tao, Liang Dou | 2019-03-05 |
| 10116388 | Apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Zhenning Tao, Liang Dou | 2018-10-30 |
| 9979471 | Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Zhenning Tao, Liang Dou | 2018-05-22 |
| 9825708 | Compensation apparatus and method for inter-channel nonlinear damage | Liang Dou, Zhenning Tao | 2017-11-21 |
| 9160448 | Apparatus and method for estimating intra-channel nonlinear damage | Liang Dou, Zhenning Tao | 2015-10-13 |