Patent | Date |
---|
Method of improving bandwidth of antenna using transmission line stub Grant 10,333,222 - Kim , et al. | 2019-06-25 |
Manhole cover type omnidirectional antenna Grant 10,309,077 - Kim , et al. | 2019-06-04 |
Extended DSME MAC for low power utility monitoring service Grant 10,136,424 - Jeong , et al. November 20, 2 | 2018-11-20 |
Method Of Improving Bandwidth Of Antenna Using Transmission Line Stub App 20170294711 - KIM; Eun Hee ;   et al. | 2017-10-12 |
Small switchable directional control antenna Grant 9,742,062 - Park , et al. August 22, 2 | 2017-08-22 |
Manhole Cover Type Omnidirectional Antenna App 20170155191 - KIM; Eun Hee ;   et al. | 2017-06-01 |
Method For Transmitting And Receiving Beacon Signal Based On Multi-channels And Device Supporting Therefor App 20170041927 - JEONG; Wun Cheol ;   et al. | 2017-02-09 |
Control method for radiation beam direction of wireless transmission device Grant 9,408,084 - Park , et al. August 2, 2 | 2016-08-02 |
Wireless communication system Grant 9,219,513 - Park , et al. December 22, 2 | 2015-12-22 |
Extended Dsme Mac For Low Power Utility Monitoring Service App 20150305023 - JEONG; Wun Cheol ;   et al. | 2015-10-22 |
Control Method For Radiation Beam Direction Of Wireless Transmission Device App 20150200451 - PARK; Ju-Derk ;   et al. | 2015-07-16 |
Small Switchable Directional Control Antenna App 20150155625 - PARK; Ju Derk ;   et al. | 2015-06-04 |
Method For Service Discovery In Wireless Personal Area Network App 20150019718 - JEONG; Wun Cheol ;   et al. | 2015-01-15 |
Wake-up apparatus and wake-up method for low power sensor node Grant 8,824,345 - Kim , et al. September 2, 2 | 2014-09-02 |
Wireless Communication System App 20140141847 - PARK; Ju Derk ;   et al. | 2014-05-22 |
Apparatus and method of transmitting and receiving wake-up signal Grant 8,675,688 - Oh , et al. March 18, 2 | 2014-03-18 |
Digital automatic gain control apparatus and method in burst mode optical receiver Grant 8,660,439 - Kang , et al. February 25, 2 | 2014-02-25 |
Apparatus and method for charging internal battery in wireless sensor network Grant 8,471,525 - Kim , et al. June 25, 2 | 2013-06-25 |
Constant amplitude encoding apparatus and method for code division multiplexing communication system Grant 8,472,505 - Park , et al. June 25, 2 | 2013-06-25 |
Wake-up receiver and wake-up method using duty cycling and power off technique Grant 8,285,243 - Kang , et al. October 9, 2 | 2012-10-09 |
Sensor Node Including General-purpose Interface Port And Plug And Play Function, Sensor Board Including General-purpose Interface Port And Sensor Device Driver, General-purpose Interface Port, And Operation Method Of Sensor Node, Sensor Board, And General-purpose Interface Port App 20110276738 - KIM; Se Han ;   et al. | 2011-11-10 |
Apparatus And Method For Charging Internal Battery In Wireless Sensor Network App 20110148349 - KIM; Se Han ;   et al. | 2011-06-23 |
Wake-up Receiver And Wake-up Method Using Duty Cycling And Power Off Technique App 20110006824 - Kang; Ho-Yong ;   et al. | 2011-01-13 |
Constant Amplitude Encoding Apparatus And Method For Code Division Multiplexing Communication System App 20100322289 - PARK; Tae Joon ;   et al. | 2010-12-23 |
Apparatus And Method Of Transmitting And Receiving Wake-up Signal App 20100150042 - Oh; Cheon In ;   et al. | 2010-06-17 |
Wireless Sensor Node App 20100146356 - PARK; Tae-joon ;   et al. | 2010-06-10 |
Digital Automatic Gain Control Apparatus and Method in Burst Mode Optical Receiver App 20100014866 - Kang; Ho-Yong ;   et al. | 2010-01-21 |
Burst mode optical receiver for maintaining constant signal amplitude Grant 7,539,424 - Kang , et al. May 26, 2 | 2009-05-26 |
Communication apparatus in Ethernet passive optical network Grant 7,379,676 - Kang , et al. May 27, 2 | 2008-05-27 |
Communication node system, control node system, and communication system using node systems in ethernet-passive optical network Grant 7,372,854 - Kang , et al. May 13, 2 | 2008-05-13 |
Burst mode optical receiver considering characteristic of extinction ratio of received optical signal Grant 7,369,781 - Seo , et al. May 6, 2 | 2008-05-06 |
Apparatus for and method of generating pointers for transfer of structured data in AAL1 Grant 7,224,694 - Kang , et al. May 29, 2 | 2007-05-29 |
Optical transmitter having analog/digital mixed-mode temperature compensation function App 20060126683 - Kang; Ho Yong ;   et al. | 2006-06-15 |
Burst mode optical receiver considering characteristic of extinction ratio of received optical signal App 20040190913 - Seo, Ja Won ;   et al. | 2004-09-30 |
Burst mode optical receiver App 20040190914 - Kang, Ho Yong ;   et al. | 2004-09-30 |
Apparatus for compensating for characteristics of laser diode and optical transmitter including the apparatus App 20040190569 - Kang, Ho Yong ;   et al. | 2004-09-30 |
Burst mode optical receiver App 20040190912 - Seo, Ja Won ;   et al. | 2004-09-30 |
Communication node system, control node system, and communication system using node systems in ethernet-passive optical network App 20040114592 - Kang, Ho-Yong ;   et al. | 2004-06-17 |
Communication apparatus in ethernet passive optical network App 20040109450 - Kang, Ho Yong ;   et al. | 2004-06-10 |
Apparatus for and method of generating pointers for transfer of structured data in AAL1 App 20040008686 - Kang, Ho Yong ;   et al. | 2004-01-15 |