Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9412348 | Drum and drum-set tuner | — | 2016-08-09 |
| 9153221 | Timpani tuning and pitch control system | — | 2015-10-06 |
| 9135904 | Drum and drum-set tuner | — | 2015-09-15 |
| 8759655 | Drum and drum-set tuner | — | 2014-06-24 |
| 8742242 | Drum tuning processor | — | 2014-06-03 |
| 8642874 | Drum and drum-set tuner | — | 2014-02-04 |
| 8502060 | Drum-set tuner | — | 2013-08-06 |
| 6347325 | Direct-digital synthesizers | Sunder S. Kidambi | 2002-02-12 |
| 6031868 | Asymmetric digital subscriber loop transceivers | David H. Robertson | 2000-02-29 |
| 6028891 | Asymmetric digital subscriber loop transceiver and method | David H. Robertson | 2000-02-22 |
| 5917809 | Asymmetric digital subscriber loop modem and method | David H. Robertson | 1999-06-29 |
| 5757300 | Feed-forward bandpass delta-sigma converter with tunable center frequency | Ravinder D. Koilpillai, Jerome J. Tiemann | 1998-05-26 |
| 5757803 | Pots splitter assembly with improved transhybrid loss for digital subscriber loop transmission | Mark Russell | 1998-05-26 |
| 5754131 | Low power delta sigma converter | Juha Mikko Hakkarainen, David Henry Kenneth Hoe | 1998-05-19 |
| 5682160 | High-order delta sigma analog-to-digital converter with unit-delay integrators | David Henry Kenneth Hoe | 1997-10-28 |
| 5682161 | High-order delta sigma modulator | David Henry Kenneth Hoe | 1997-10-28 |
| 5568446 | Dual mode ultrasonic imager system | William E. Engeler | 1996-10-22 |
| 5500645 | Analog-to-digital converters using multistage bandpass delta sigma modulators with arbitrary center frequency | David Henry Kenneth Hoe | 1996-03-19 |
| 5430784 | Computerized tomography imaging using multi-slice detector with selectable slice thickness | Michael Wu | 1995-07-04 |
| 5392043 | Double-rate sampled signal integrator | — | 1995-02-21 |
| 5363055 | Photodiode preamplifier with programmable gain amplification | — | 1994-11-08 |
| 5283578 | Multistage bandpass .DELTA. .SIGMA. modulators and analog-to-digital converters | David Henry Kenneth Hoe | 1994-02-01 |
| 5181032 | High-order, plural-bit-quantization sigma-delta modulators using single-bit digital-to-analog conversion feedback | — | 1993-01-19 |
| 5148167 | Sigma-delta oversampled analog-to-digital converter network with chopper stabilization | — | 1992-09-15 |
| 5148166 | Third order sigma delta oversampled analog-to-digital converter network with low component sensitivity | — | 1992-09-15 |