Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9692507 | Apparatus and method for providing synchronized data by using visible light communication | Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park, Ki-Uk Song | 2017-06-27 |
| 8995840 | Apparatus and method for providing synchronized data by using visible light communication | Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park, Ki-Uk Song | 2015-03-31 |
| 8982037 | Method and apparatus for providing additional information through display | Kyung-Woo Lee, Dae-Kwang Jung, Jeong-Seok Choi, Sung-Bum Park, Ki-Uk Song | 2015-03-17 |
| 8866836 | Method and apparatus for data communication based on digital image processing | Kyung-Woo Lee, Yun-Je Oh, Dae-Kwang Jung, Jeong-Seok Choi, Dong-Jae Shin +1 more | 2014-10-21 |
| 8601183 | Apparatus and method for transmitting and receiving data in one-to-one communication | Jeong-Seok Choi, Dae-Kwang Jung, Kyung-Woo Lee, Sung-Bum Park, Ki-Uk Song | 2013-12-03 |
| 8594509 | Apparatus and method for arranging communication links in visible light communication | Dong-Jae Shin, Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park +1 more | 2013-11-26 |
| 8510033 | Indoor navigation method and system using illumination lamps | Sung-Bum Park, Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Ki-Uk Song | 2013-08-13 |
| 8463134 | Apparatus and method for transmitting and receiving data using visible light communication | Jeong-Seok Choi, Yun-Je Oh, Dae-Kwang Jung, Kyung-Woo Lee, Dong-Jae Shin +1 more | 2013-06-11 |
| 8457150 | Method and apparatus for notifying status of mobile node in a wireless local area network system using visible light communication | Dong-Ho Cho, Hyu-Dae Kim, Chi Sung Bae, Soo-Yong Jeon, Woo Chan Kim +1 more | 2013-06-04 |
| 8452188 | Visible light communication method and system | Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park, Jae-Hun Cho | 2013-05-28 |
| 8433207 | Optical signal concentrator and optical receiver using the same | Dong-Jae Shin, Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park +1 more | 2013-04-30 |
| 8358935 | Method and apparatus for generating visible signal for data transmission frame in visible-light communication system | Jeong-Seok Choi, Dae-Kwang Jung, Kyung-Woo Lee, Dong-Jae Shin, Sung-Bum Park +1 more | 2013-01-22 |
| 8320768 | Communication link apparatus and method for maintaining visibility in visible light communication | Dong-Jae Shin, Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Sung-Bum Park +1 more | 2012-11-27 |
| 8204383 | Wireless communication interface for portable wireless terminal | Dong-Jae Shin, Dae-Kwang Jung, Hyung Woo Lee, Sung-Bum Park, Yoo-Jeong Hyun | 2012-06-19 |
| 8149812 | Method and apparatus for retransmitting data in wireless LAN system using visible light communication | Dong-Ho Cho, Hyu-Dae Kim, Chi Sung Bae, Soo-Yong Jeon, Woo Chan Kim +1 more | 2012-04-03 |
| 8117006 | Method for measuring position of portable terminal and indoor illuminating apparatus for the same | Kyung-Woo Lee, Yun-Je Oh, Dae-Kwang Jung, Jeong-Seok Choi, Sung-Bum Park | 2012-02-14 |
| 8059112 | Apparatus and method for broadcasting visible light information in visible light communication | Sung-Bum Park, Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Dong-Jae Shin | 2011-11-15 |
| 8019230 | Method for providing visible light communication in a visible light communication system | Jeong-Seok Choi, Dae-Kwang Jung, Yun-Je Oh, Kyung-Woo Lee, Dong-Jae Shin +2 more | 2011-09-13 |
| 8005366 | Reconnection method in peripheral interface using visible light communication | Dae-Kwang Jung, Jeong-Seok Choi, Kyung-Woo Lee, Dong-Jae Shin, Sung-Bum Park +1 more | 2011-08-23 |
| 7663501 | Apparatus and method of controlling emitting color of visible light according to a current communication state in a VLC device | Yoo-Jeong Hyun, Yun-Je Oh, Dae-Kwang Jung, Kyung-Woo Lee, Dong-Jae Shin +1 more | 2010-02-16 |
| 7447435 | Passive optical network | Du-Chang Heo, Chang-Sup Shim, Seong-Taek Hwang | 2008-11-04 |
| 7415205 | Wavelength division multiplexed self-healing passive optical network using wavelength injection method | Dae-Kwang Jung | 2008-08-19 |
| 7398021 | Optical transmitter and passive optical network using the same | Hyun-Cheol Shin, Seong-Taek Hwang, Dae-Kwang Jung | 2008-07-08 |
| 7174104 | Transmitting apparatus using multiple lambda source in WDM network | Seong-Taek Hwang, Yun-Je Oh | 2007-02-06 |
| 7061670 | Optical fiber amplifier having automatic power control function and automatic power control method | Seong-Taek Hwang, Byung-Chang Kang | 2006-06-13 |