Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10425906 | Apparatus and method for detecting upstream RF signals based on preamble, and apparatus for cable broadcasting using the same | Sang-Jung Ra, Jin Hyuk SONG, Dong Joon CHOI, Joon-Young Jung, Nam-Ho HUR | 2019-09-24 |
| 9167309 | Method and system for transmitting broadcast and data stream and method and apparatus for converting broadcast and data stream in HFC-based cable network | Dong Joon CHOI, Nam-Ho HUR | 2015-10-20 |
| 8799497 | Headend system based on IP network, method of operating the headend system, and QAM pre-processor | — | 2014-08-05 |
| 8743897 | Method and apparatus of multicast service flow processing for headend cable modem | O Hyung Kwon, Soo-In Lee | 2014-06-03 |
| 8472442 | Method and apparatus of downstream service flows classification for headend cable modem | Hye-Ju OH, Dong Joon CHOI, O Hyung Kwon, Soo-In Lee | 2013-06-25 |
| 7974283 | Method and apparatus of multicast service flow processing for headend cable modem | O Hyung Kwon, Soo-In Lee | 2011-07-05 |
| 7912050 | Method for classifying downstream packet in cable modem termination system at head-end supporting channel bonding mode, and cable modem termination system | Dong Joon CHOI, O Hyung Kwon, Soo-In Lee | 2011-03-22 |
| 7502328 | Method of monitoring link performance and diagnosing active link state in Ethernet passive optical network | Jee Sook Eun, Tae Whan Yoo, Bong Tae Kim | 2009-03-10 |
| 7443861 | Method of controlling upstream data transmission in ethernet PON and apparatus thereof | Tae Whan Yoo, Hyeong Ho Lee | 2008-10-28 |
| 7301970 | Apparatus for executing multi-point control protocol in Ethernet passive optical network | Chan Kim, Tae Whan Yoo, Hyeong Ho Lee | 2007-11-27 |
| 4956791 | Merging pattern-matching networks including retes | Marshall I. Schor | 1990-09-11 |
| 4951225 | Updating pattern-matching networks | Marshall I. Schor | 1990-08-21 |