Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9007989 | Method, apparatus, and system for time synchronization | Guijin Xu, Guozhu Long | 2015-04-14 |
| 8886986 | Clock synchronization method, customer premises equipment and clock synchronization system | Guijin Xu, Guozhu Long, Jianhua Liu | 2014-11-11 |
| 8718213 | Clock synchronization method, apparatus, and system | Guijin Xu, Guozhu Long | 2014-05-06 |
| 8553847 | Method and device for determining, and method and system for configuring DSL reference virtual noise | Jun Zhou, Jianhua Liu | 2013-10-08 |
| 8432851 | Method, apparatus, and system for time synchronization | Guijin Xu, Guozhu Long | 2013-04-30 |
| 8331537 | Method and system for managing line topology | — | 2012-12-11 |
| 8116218 | Method and module for acquiring digital subscriber line parameter, and line management system | Jie Lv | 2012-02-14 |
| 8005007 | Method, adjusting apparatus and system for improving line stability | Jun Zhou, Xinjun Zhang | 2011-08-23 |