Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10333222 | Method of improving bandwidth of antenna using transmission line stub | Eun Hee Kim, Ju Derk Park, In Hwan Lee, Jae Heum Lee | 2019-06-25 |
| 10309077 | Manhole cover type omnidirectional antenna | Eun Hee Kim, Ju Derk Park, In Hwan Lee, Jae Heum Lee | 2019-06-04 |
| 10136424 | Extended DSME MAC for low power utility monitoring service | Wun Cheol Jeong, Chang Sub Shin, Tae Joon Park, In Hwan Lee, Cheol Sig Pyo | 2018-11-20 |
| 9742062 | Small switchable directional control antenna | Ju Derk Park, Cheol Sig Pyo | 2017-08-22 |
| 9408084 | Control method for radiation beam direction of wireless transmission device | Ju Derk Park, Eun Hee Kim, Cheol Sig Pyo | 2016-08-02 |
| 9219513 | Wireless communication system | Ju Derk Park, In Hwan Lee, Cheo Sig Pyo | 2015-12-22 |
| 8824345 | Wake-up apparatus and wake-up method for low power sensor node | Ji Eun Kim, Nae-Soo Kim, Cheol Sig Pyo | 2014-09-02 |
| 8675688 | Apparatus and method of transmitting and receiving wake-up signal | Cheon-In Oh, Kyo Hoon Son, Nae-Soo Kim | 2014-03-18 |
| 8660439 | Digital automatic gain control apparatus and method in burst mode optical receiver | Hyun Kyun Choi, Quan Le, Yool Kwon, Bong Tae Kim, Sang-Gug Lee | 2014-02-25 |
| 8471525 | Apparatus and method for charging internal battery in wireless sensor network | Se Han Kim, Nae-Soo Kim, Kyo Hoon Son, Cheol Sig Pyo | 2013-06-25 |
| 8472505 | Constant amplitude encoding apparatus and method for code division multiplexing communication system | Tae Joon Park, Wun Cheol Jeong, Kyo Hoon Son, Seong Soon Joo, Jong-Suk Chae | 2013-06-25 |
| 8285243 | Wake-up receiver and wake-up method using duty cycling and power off technique | Dae Young Yoon, Trung Kien NGUYEN, Ji Eun Kim, Xiaohua Yu, Nae-Soo Kim +3 more | 2012-10-09 |
| 7539424 | Burst mode optical receiver for maintaining constant signal amplitude | Hyun Kyun Choi, Tae Whan Yoo, Hyeong Ho Lee, Sang-Gug Lee, Man Lee +1 more | 2009-05-26 |
| 7379676 | Communication apparatus in Ethernet passive optical network | Tae Whan Yoo, Hyeong Ho Lee | 2008-05-27 |
| 7372854 | Communication node system, control node system, and communication system using node systems in ethernet-passive optical network | Tae Whan Yoo, Hyeong Ho Lee | 2008-05-13 |
| 7369781 | Burst mode optical receiver considering characteristic of extinction ratio of received optical signal | Ja-Won Seo, Hyun Kyun Choi, Tae Whan Yoo, Hyeong Ho Lee, Sang-Gug Lee +1 more | 2008-05-06 |
| 7224694 | Apparatus for and method of generating pointers for transfer of structured data in AAL1 | Je Soo Ko, Tae Whan Yoo | 2007-05-29 |