Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8693704 | Method and apparatus for canceling noise from mixed sound | Kyu-hong Kim, Kwang-cheol Oh, So-young Jeong | 2014-04-08 |
| 8665305 | Microphone array apparatus having hidden microphone placement and acoustic signal processing apparatus including the same | Jeong-su Kim, Kwang-cheol Oh, So-young Jeong | 2014-03-04 |
| 8577055 | Sound source signal filtering apparatus based on calculated distance between microphone and sound source | Kwang-cheol Oh, Kyu-hong Kim, So-young Jeong | 2013-11-05 |
| 8554552 | Apparatus and method for restoring voice | Kwang-cheol Oh | 2013-10-08 |
| 8543399 | Apparatus and method for speech recognition using a plurality of confidence score estimation algorithms | Sang-bae Jeong, Jeong-su Kim, Nam Hoon Kim | 2013-09-24 |
| 8407659 | Method of designing a printed circuit board | Chang-Woo Ko, Ki-Jae Song, Hun-Kyo Seo | 2013-03-26 |
| 8385562 | Sound source signal filtering method based on calculated distances between microphone and sound source | Kwang-cheol Oh, Kyu-hong Kim, So-young Jeong | 2013-02-26 |
| 8315854 | Method and apparatus for detecting pitch by using spectral auto-correlation | Kwang-cheol Oh | 2012-11-20 |
| 8290177 | Sound zoom method, medium, and apparatus | So-young Jeong, Kwang-cheol Oh, Kyu-hong Kim | 2012-10-16 |
| 8271283 | Method and apparatus for recognizing speech by measuring confidence levels of respective frames | Sang-bae Jeong, Jeong-su Kim, In Jeong Choi | 2012-09-18 |
| 8238569 | Method, medium, and apparatus for extracting target sound from mixed sound | So-young Jeong, Kwang-cheol Oh, Kyu-hong Kim | 2012-08-07 |
| 8229129 | Method, medium, and apparatus for extracting target sound from mixed sound | So-young Jeong, Kwang-cheol Oh, Kyu-hong Kim | 2012-07-24 |
| 8202938 | Thermoplastic resin composition and molded product made using the same | Byung Choon Lee, Doo-Han HA, Tae Uk Kim, Il Jin Kim | 2012-06-19 |
| 8160270 | Method and apparatus for acquiring multi-channel sound by using microphone array | Kwang-cheol Oh, Kyu-hong Kim, So-young Jeong | 2012-04-17 |
| 8133958 | Methacrylate resin with excellent discoloration-resistance and transparency and method for preparing the same | Doo-Han HA, Jung Ho Jang | 2012-03-13 |
| 8085949 | Method and apparatus for canceling noise from sound input through microphone | Kyu-hong Kim, Kwang-cheol Oh, So-young Jeong | 2011-12-27 |
| 8055439 | System for providing fuel-efficient driving information for vehicles | Sang Woo Ji, Dong Jin Shin | 2011-11-08 |
| 7818169 | Formant frequency estimation method, apparatus, and medium in speech recognition | Kwang-cheol Oh, So-young Jeong | 2010-10-19 |
| 7792669 | Voicing estimation method and apparatus for speech recognition by using local spectral information | Kwang-cheol Oh | 2010-09-07 |
| 7710826 | Method and apparatus for measuring sound source distance using microphone array | Kwang-cheol Oh, Kyu-hong Kim, So-young Jeong | 2010-05-04 |
| 7113030 | Class-D power amplifier capable of eliminating excessive response phenomenon when returning to a steady state from an abnormal state and an amplification method thereof | Chung-Gil Yang, Goog-Chun Cho | 2006-09-26 |
| 6952131 | Digital PWM input D class amplifier by PWM negative feedback | Goog-Chun Cho, Bo-Hyung Cho, Chang-Gyun Kim, Jong-Hu Park | 2005-10-04 |
| 5978440 | Tomographic apparatus and method of obtaining an arbitrary cross-sectional image | Sung Taek Kang | 1999-11-02 |
| 5606229 | Horizontal deflection amplifying apparatus | Kwang-yung Jung | 1997-02-25 |