Patent | Date |
---|
Electronic Settlement System, Electronic Settlement Method And Cash Paying Method Using Lcd Barcode Displayed On Mobile Terminal App 20200082358 - SHIN; Young-Cheol ;   et al. | 2020-03-12 |
Electronic Settlement System, Electronic Settlement Method And Cash Paying Method Using Lcd Barcode Displayed On Mobile Terminal App 20190295047 - SHIN; Young-Cheol ;   et al. | 2019-09-26 |
Method and apparatus of sensor network supporting bidirectional event detection Grant 9,801,134 - Hwang , et al. October 24, 2 | 2017-10-24 |
Method And Apparatus Of Sensor Network Supporting Bidirectional Event Detection App 20150327177 - HWANG; Hyo Sun ;   et al. | 2015-11-12 |
Method and apparatus of sensor network supporting bidirectional event detection Grant 9,119,149 - Hwang , et al. August 25, 2 | 2015-08-25 |
Apparatus and method for avoiding channel interference in a single channel sensor network Grant 8,588,699 - Park , et al. November 19, 2 | 2013-11-19 |
Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal Grant 8,341,079 - Shin , et al. December 25, 2 | 2012-12-25 |
Method And Apparatus Of Sensor Network Supporting Bidirectional Event Detection App 20120243454 - Hwang; Hyo Sun ;   et al. | 2012-09-27 |
Electronic Settlement System, Electronic Settlement Method And Cash Paying Method Using Lcd Barcode Displayed On Mobile Terminal App 20120217295 - SHIN; Young-Cheol ;   et al. | 2012-08-30 |
Apparatus And Method For Avoiding Channel Interference In A Single Channel Sensor Network App 20110111701 - PARK; Yong-Suk ;   et al. | 2011-05-12 |
Apparatus And Method For Avoiding Channel Interference In A Multi-channel Sensor Network App 20110110255 - PARK; Yong-Suk ;   et al. | 2011-05-12 |
Short-range wireless communication system and a handoff processing method therefor Grant 7,848,752 - Kim , et al. December 7, 2 | 2010-12-07 |
Electronic Settlement System, Electronic Settlement Method And Cash Paying Method Using Lcd Barcode Displayed On Mobile Terminal App 20100262543 - SHIN; Young-Cheol ;   et al. | 2010-10-14 |
Electronic Settlement System, Electronic Settlement Method And Cash Paying Method Using Lcd Barcode Displayed On Mobile Terminal App 20100262540 - SHIN; Young-Cheol ;   et al. | 2010-10-14 |
Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal Grant 7,739,190 - Shin , et al. June 15, 2 | 2010-06-15 |
Wireless communication apparatus and method using an adaptive credit redistribution algorithm Grant 7,505,778 - Tchan , et al. March 17, 2 | 2009-03-17 |
System and method for position awareness for minimizing power consumption in sensor network environment Grant 7,499,376 - Kim , et al. March 3, 2 | 2009-03-03 |
Wireless communication system and method using the same Grant 7,369,565 - Lee , et al. May 6, 2 | 2008-05-06 |
Wireless communication system and method Grant 7,289,821 - Kim , et al. October 30, 2 | 2007-10-30 |
System and method for position awareness for minimizing power consumption in sensor network environment App 20070133352 - Kim; Jin Won ;   et al. | 2007-06-14 |
Wireless communication apparatus and method using an adaptive credit redistribution algorithm App 20040177038 - Tchan, Kyun-hyon ;   et al. | 2004-09-09 |
Wireless communication system and method App 20040166883 - Kim, Yong-suk ;   et al. | 2004-08-26 |
Short-range wireless communication system and a handoff processing method therefor App 20040152417 - Kim, Yong-Suk ;   et al. | 2004-08-05 |
Electronic settlement system, electronic settlement method and cash paying method using lcd barcode display on mobile terminal App 20040148253 - Shin, Young-Cheol ;   et al. | 2004-07-29 |
Wireless communication system and a hand-off method therefor App 20040142690 - Eom, Doo-seop ;   et al. | 2004-07-22 |
Wireless communication system and method using the same App 20040085981 - Lee, Tae-Jin ;   et al. | 2004-05-06 |
Integrated customer management system and method using wireless barcode Grant 6,679,421 - Shin , et al. January 20, 2 | 2004-01-20 |
Integrated customer management system and method using wireless barcode App 20020040316 - Shin, Young-Cheol ;   et al. | 2002-04-04 |
Integrated customer management system and method using wireless barcode App 20020040341 - Shin, Young-Cheol ;   et al. | 2002-04-04 |
Tributary unit signal cross-connection apparatus Grant 5,914,952 - Eom , et al. June 22, 1 | 1999-06-22 |
Circuit for searching fault location in a device having a plurality of application specific integrated circuits Grant 5,696,788 - Choi , et al. December 9, 1 | 1997-12-09 |