Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9218031 | System and method for providing wireless power feedback in a wireless power delivery system | Andrew T. Sultenfuss | 2015-12-22 |
| 7142683 | Computer with acoustic driver built into acoustically leaky chassis | David Gough | 2006-11-28 |
| 6671171 | Portable electronic device having chassis reinforcement system | Steve Homer, David Gough | 2003-12-30 |
| 6633647 | Method of custom designing directional responses for a microphone of a portable computer | David Gough | 2003-10-14 |
| 6459942 | Acoustic coupling compensation for a speakerphone of a system | Jeremy Ford, Ji-An Gong | 2002-10-01 |
| 6359994 | Portable computer expansion base with enhancement speaker | Ji-An Gong | 2002-03-19 |
| 6314010 | Slope-based primary feedback to control the off-time of a power supply | Stephen Ken Gustafson | 2001-11-06 |
| 6304434 | Portable computer with both dynamic and piezoelectric transducers | — | 2001-10-16 |
| 6195437 | Method and apparatus for independent gain control of a microphone and speaker for a speakerphone mode and a non-speakerphone audio mode of a computer system | Jeremy Ford, Ji-An Gong | 2001-02-27 |
| 6175489 | Onboard speaker system for portable computers which maximizes broad spatial impression | David Gough, Jeremy Ford | 2001-01-16 |
| 6137890 | Lumped parameter resonator of a piezoelectric speaker | — | 2000-10-24 |
| 6081421 | Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame | Michael S. Lempicki, David Gough, Dennis D. Lamberth | 2000-06-27 |
| 6028944 | Signal processing apparatus with selective power amplification | Rabah S. Hamdi | 2000-02-22 |
| 5930376 | Multiple channel speaker system for a portable computer | Steven S. Homer | 1999-07-27 |
| 5847922 | Portable computer docking station having improved speaker apparatus therein | Kelly K. Smith, David Gough | 1998-12-08 |
| 5796854 | Thin film speaker apparatus for use in a thin film video monitor device | — | 1998-08-18 |
| 5682290 | Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame | Michael S. Lempicki, David Gough, Dennis D. Lamberth | 1997-10-28 |