Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789088 | Method and apparatus for remotely installing and updating different security clients for broadcasting or communication channels | Han-Seung Koo, Dong Joon CHOI, Soo-In Lee | 2014-07-22 |
| 8583930 | Downloadable conditional access system, secure micro, and transport processor, and security authentication method using the same | Han-Seung Koo, Eun Jung Kwon, Soon Choul KIM, Hee Jeong Kim, Young Ho JEONG +1 more | 2013-11-12 |
| 8401040 | Apparatus and method for transforming cable channel | Woong Shik YOU, Joon-Young Jung, Yong-Seong Cho, Han-Seung Koo, Soo-In Lee | 2013-03-19 |
| 8279888 | Apparatus and method for upstream transmission of variable bit rate VoIP traffic in hybrid fiber coaxial network, and apparatus and method for resource allocation | Seung Eun Hong, Soo-In Lee | 2012-10-02 |
| 7961754 | Apparatus and method for multimedia data transmission and reception in cable network using broadband and physical layer frame structure | Dong Joon CHOI, Soo-In Lee | 2011-06-14 |
| 7945609 | Method for composing lookup table and searching index thereof | Eung Don Lee, Soo-In Lee | 2011-05-17 |
| 7944964 | Apparatus and method for stable DEF using selective FBF | Jae Ho Lee, Soo-In Lee | 2011-05-17 |
| 7933322 | Timing lock detection apparatus and method for digital broadcasting receiver | Eun-Seok Jin, Soo-In Lee | 2011-04-26 |
| 7848365 | Apparatus for receiving cable TV broadcasting program, and multiplexer and de-multiplexer thereof | Joon-Young Jung, Eun Jung Kwon, Soo-In Lee | 2010-12-07 |
| 7848247 | Service providing method based on service subscriber level on cable network | Eun Jung Kwon, Joon-Young Jung, Soo-In Lee | 2010-12-07 |
| 7796599 | Multiplexing and demultiplexing apparatus for delivering MPEG-2 TS packet error signal through cablecard interface and multiplexing and demultiplexing method using the same | Joon-Young Jung, Soo-In Lee | 2010-09-14 |
| 7778246 | Method and apparatus for IP data transmission using legacy transmission system and broadband downstream transmission system in HFC network | Dong Joon CHOI, Woong Shik YOU, Soo-In Lee | 2010-08-17 |
| 7757156 | Reed-Solomon decoding apparatus and method having high error correction capability | Joon-Young Jung, Soo-In Lee | 2010-07-13 |
| 7739518 | Method for securing DOCSIS cable modem against physical security attacks | Han-Seung Koo, Joon-Young Jung, Eun Jung Kwon, Soo-In Lee | 2010-06-15 |
| 7738478 | Apparatus and method for determining downstream topology in hybrid-fiber coaxial network | Seung Eun Hong, Ho Jin Kwon, Soo-In Lee | 2010-06-15 |
| 7690015 | PSIP converter and converting method and digital cable television broadcasting system using the PSIP converter | Joon-Young Jung, Joon-Young Choi, Byung-Jun Bae, Chieteuk Ahn | 2010-03-30 |
| 7669224 | ONU and method for converting/combining frequency, and apparatus and method for converting/combining frequency in CATV headend system | Han-Seung Koo, Woongshik YOU, Soo-In Lee | 2010-02-23 |
| 7609727 | Apparatus for transmitting/receiving communication and broadcasting data using multiplexing at transmission convergence layer | Dong Joon CHOI, Soo-In Lee | 2009-10-27 |
| 7570763 | Method for subscribing service and distributing encryption key based on public-key encryption algorithm in digital CATV system | Han-Seung Koo, Soo-In Lee | 2009-08-04 |
| 7523451 | Method for processing updated application data in headend or terminal of digital data broadcasting system | Eun Jung Kwon, Soo-In Lee | 2009-04-21 |
| 7504884 | Automatic gain control apparatus of cable modem, and lock-time acquisition method using the same | Sang-Jung Ra, Soo-In Lee | 2009-03-17 |
| 7480383 | Apparatus and method for scrambling high-rate data | Yong-Seong Cho, Joon-Young Jung, Soo-In Lee | 2009-01-20 |
| 7478310 | Programmable error correcting device | Joon-Young Jung, Soo-In Lee | 2009-01-13 |
| 7383562 | Restricted reception device for digital cable broadcasting system, and reception system and method using the same | Yong-Seong Cho, Joon-Young Jung, Chieteuk Ahn | 2008-06-03 |