Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12113572 | Method and apparatus for calculating configuration of optical transmission network, and optical transmission network system | Chongjin Xie, Jingchi Cheng, Pak Tao Alan Lau | 2024-10-08 |
| 10771230 | Estimating apparatus for bias drift of transmitting end modulator, compensating apparatus and receiver | Zhenning Tao | 2020-09-08 |
| 10623128 | Apparatus and method for processing a frequency offset of a pilot and receiver | Huihui Li, Ying Zhao, Zhenning Tao | 2020-04-14 |
| 10574350 | Method and apparatus for estimating direct current bias of optical modulator and receiver | Yangyang Fan | 2020-02-25 |
| 10491294 | Signal processing apparatus, apparatus and method for monitoring channel spacing and system | Huihui Li, Ying Zhao, Zhenning Tao | 2019-11-26 |
| 10439852 | Signal processing apparatus, signal transmitting apparatus and receiver | Zhenning Tao | 2019-10-08 |
| 10367635 | Signal transmission apparatus, carrier phase recovery apparatus and method | Xiaofei SU, Zhenning Tao | 2019-07-30 |
| 10263698 | Monitoring apparatus for optical signal to noise ratio, signal transmission apparatus and receiver | Zhenning Tao | 2019-04-16 |
| 10243725 | Apparatus and method for generating transmitting sequence, training sequence synchronization apparatus and method, apparatus and method for estimating channel spacing and system | Ying Zhao, Zhenning Tao | 2019-03-26 |
| 10230469 | Apparatus for measuring a filtering characteristic, pre-equalizer and optical communication equipment | Yangyang Fan, Zhenning Tao | 2019-03-12 |
| 10225010 | Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Zhenning Tao, Yangyang Fan | 2019-03-05 |
| 10171162 | Apparatus and method for measuring frequency response characteristics of optical transmitter and optical receiver | Cheng Ju, Zhenning Tao | 2019-01-01 |
| 10116388 | Apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Yangyang Fan, Zhenning Tao | 2018-10-30 |
| 9998223 | Calculating apparatus and method for nonlinear weighting coefficient | Ying Zhao, Zhenning Tao | 2018-06-12 |
| 9985801 | Apparatus and method for estimating a frequency offset, apparatus and method for estimating a channel spacing and system | Ying Zhao, Zhenning Tao | 2018-05-29 |
| 9979471 | Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment | Zhenning Tao, Yangyang Fan | 2018-05-22 |
| 9882636 | Monitoring apparatus for an optical signal to noise ratio, signal transmission apparatus and receiver | Zhenning Tao | 2018-01-30 |
| 9871581 | Monitoring apparatus and method for an optical signal-to-noise ratio and receiver | Zhenning Tao | 2018-01-16 |
| 9859977 | Method for estimating channel power, method for monitoring frequency spectrum characteristic, apparatus and system | Ying Zhao, Zhenning Tao | 2018-01-02 |
| 9832083 | Apparatus and method for detecting channel spacing and system | Ying Zhao, Zhenning Tao | 2017-11-28 |
| 9825708 | Compensation apparatus and method for inter-channel nonlinear damage | Yangyang Fan, Zhenning Tao | 2017-11-21 |
| 9825699 | Method and apparatus for correcting inter-channel power imbalance and receiver | Ying Zhao, Zhenning Tao, Taku Saito, Takeshi Hoshida | 2017-11-21 |
| 9806922 | Apparatus for estimating channel spacing, apparatus for monitoring wavelength, and receiver | Ying Zhao, Zhenning Tao | 2017-10-31 |
| 9698904 | Apparatus for monitoring optical signal to noise ratio, transmitter and communication system | Zhenning Tao | 2017-07-04 |
| 9654211 | Estimation apparatus and method for nonlinear distortion and receiver | Ying Zhao, Zhenning Tao | 2017-05-16 |