| 10554261 |
Card detection device having a magnetic field monitor, system including the device, and method of operating the device |
Jun Ho Kim, Hyuk Sang Choi |
2020-02-04 |
| 9991937 |
Card detection device having a magnetic field monitor, system including the device, and method of operating the device |
Jun Ho Kim, Hyuk Sang Choi |
2018-06-05 |
| 9538314 |
Near field communication device, electronic system having the same and method of controlling power in near field communication device |
Il-jong Song, Jun Ho Kim, Byeong-Hoon Lee |
2017-01-03 |
| 9467204 |
Voltage regulator with current mirroring circuitry for transmitters for near field communication (NFC) devices and chips, and electronic devices including such NFC chips |
Il-jong Song, Jae Hun CHOI |
2016-10-11 |
| 9379778 |
Near field communication circuit and operating method of the same |
Hyoung-Hwan Roh, Il-jong Song |
2016-06-28 |
| 9191040 |
Apparatus and method for radio frequency transmission |
Hyoung-Hwan Roh, Il-jong Song |
2015-11-17 |
| 9136915 |
Wireless communication device |
Sang Hyo Lee, Hang-Seok Choi |
2015-09-15 |
| 8111102 |
Auto gain controllers, and communication terminals having the same |
In Hyuk KIM, Hang-Seok Choi |
2012-02-07 |
| 8035483 |
Oscillator tuning system and oscillator tuning method |
Il-jong Song, Young-hoon Min |
2011-10-11 |
| 7482930 |
Limiter for controlling overvoltage and RFID tag having the same |
Il-jong Song, Young-hoon Min, Dong-sik Shim |
2009-01-27 |