Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8625821 | Method and apparatus for outputting audio signal | Hae-jong KIM | 2014-01-07 |
| 8410845 | Switching power amplifier and method of controlling the same | — | 2013-04-02 |
| 8410855 | Method and apparatus for controlling power supply of audio amplifier | Han-Ki Kim | 2013-04-02 |
| 8385984 | Method and apparatus to supply power voltage to a mobile device in a variable manner | Jae-cheol Lee | 2013-02-26 |
| 8224399 | Method and apparatus to supply power voltage to a mobile device in a variable manner | Jae-cheol Lee | 2012-07-17 |
| 7816980 | Audio power amplifier using virtual ground and method of processing signal in the audio power amplifier | — | 2010-10-19 |
| 7795962 | Method and apparatus to correct an error in a switching power amplifier | — | 2010-09-14 |
| 7792310 | Method and apparatus for automatically setting speaker mode in audio/video system | Jae-cheol Lee, Jong-bae Kim | 2010-09-07 |
| 7672463 | Apparatus to control temperature of audio amp | Young Suk Song | 2010-03-02 |
| 7528650 | Multi-channel digital amplifier, signal processing method thereof, and audio reproducing system having the same | Young Suk Song, Hee-Soo Lee, Zhun-woo Kim | 2009-05-05 |
| 7443235 | Audio system and processing method of storing and reproducing digital pulse width modulation signal | Byoung-min Mun | 2008-10-28 |