Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031870 | Conditional access system for each transmitter in single frequency network, and a method thereof | Won-Jin Park | 2011-10-04 |
| 8014525 | Digital broadcasting transmitting system for conditional access and method thereof, and digital broadcasting receiving terminal and method thereof | — | 2011-09-06 |