Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8386674 | Methods and systems of controlling an electronic device's I/O terminals using pulse-width modulation | Hong Guan, Chuanting Xu | 2013-02-26 |
| 8346562 | Method and apparatus for voice controlled operation of a media player | Yulong Chen, Hong Guan, Jing Wang | 2013-01-01 |
| 8339072 | Single general purpose input/output (GPIO) pin motor control circuit | Guoquan Li, Hong Guan | 2012-12-25 |
| 8335327 | Audio signal amplifier for karaoke player | Hong Guan, Qun Zhong | 2012-12-18 |
| 8254596 | Method and apparatus for mute control | Hong Guan, Huitao Li | 2012-08-28 |
| 8132052 | System and method for locating a fault on a device under test | Yulong Chen, Hong Guan | 2012-03-06 |
| 7849240 | Methods and systems of scanning an input device having multiple key switches | Hong Guan, Chuanting Xu, Guoquan Li | 2010-12-07 |