Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238129 | AC-DC converter circuit and power supply | — | 2012-08-07 |
| 8144545 | Acoustic navigation device and method of detecting movement of a navigation device | — | 2012-03-27 |
| 8094704 | Detecting wireless channel status from acoustic discrimination of spectral content | William Trutna, Steven Rosenau, Ken Nishimura, Graham Flower, Richard C. Ruby +1 more | 2012-01-10 |
| 8058933 | Low frequency clock generation | Michael Frank | 2011-11-15 |
| 7826310 | Acoustic navigation device and method of detecting movement of a navigation device | — | 2010-11-02 |
| 7800457 | Self-calibrating temperature-compensated oscillator | Richard C. Ruby, Wei Pang | 2010-09-21 |
| 7746677 | AC-DC converter circuit and power supply | — | 2010-06-29 |
| 7613076 | Acoustic power transformer including lens | John D. Larson, III, Michael Frank, Stephen Roy Gilbert | 2009-11-03 |
| 7586392 | Dual path acoustic data coupling system and method | — | 2009-09-08 |
| 7514844 | Acoustic data coupling system and method | — | 2009-04-07 |
| 7429904 | Spread-spectrum radio utilizing MEMS components | William Trutna, Graham Flower | 2008-09-30 |
| 7427819 | Film-bulk acoustic wave resonator with motion plate and method | Storrs T. Hoen, William Trutna, John D. Larson, III, Richard C. Ruby, Graham Flower +1 more | 2008-09-23 |
| 7358651 | Apparatus and method for detecting a target environmental variable that employs film-bulk acoustic wave resonator oscillators | Richard C. Ruby, Graham Flower, John D. Larson, III | 2008-04-15 |
| 7104134 | Piezoelectric cantilever pressure sensor | Jun Amano | 2006-09-12 |
| 6141674 | Reducing the hardware cost of a bank of multipliers by combining shared terms | Adisak Mekkittikul | 2000-10-31 |
| 5969570 | Reduced-tap filter in a demodulator | William Hillery, V. Rao Sattiraju | 1999-10-19 |
| 5206889 | Timing interpolator | — | 1993-04-27 |