Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449783 | Nonlinear via arrays for resistors to reduce systematic circuit offsets | Eric Beach, Walter B. Meinel | 2008-11-11 |
| 6150971 | R/2R' ladder switch circuit and method for digital-to-analog converter | Timothy V. Kalthoff, Mark Allan Shill, Jeffrey D. Johnson | 2000-11-21 |
| 5969658 | R/2R ladder circuit and method for digital-to-analog converter | — | 1999-10-19 |
| 5235333 | Hysteresis-insensitive single-comparator successive approximation analog-to-digital converter | Bernd M. Rundel | 1993-08-10 |
| 5172019 | Bootstrapped FET sampling switch | Mark Allan Shill | 1992-12-15 |
| 4940981 | Dual analog-to-digital converter with single successive approximation register | Rodney T. Burt, Tony D. Miller | 1990-07-10 |
| 4777470 | High speed successive approximation register in analog-to-digital converter | Joel M. Halbert, Wallace Burney | 1988-10-11 |
| 4651132 | Analog to digital converter system for application to pulse code modulation | William J. Lillis | 1987-03-17 |
| 4647906 | Low cost digital-to-analog converter with high precision feedback resistor and output amplifier | David F. Mietus, Robert L. White | 1987-03-03 |
| 4611178 | Push-pull output circuit | David F. Mietus | 1986-09-09 |
| 4607249 | Input level shifting circuit for low voltage digital-to-analog converter | — | 1986-08-19 |
| 4607250 | Bit adjustment and filter circuit for digital-to-analog converter | Frederick J. Highton | 1986-08-19 |
| 4567463 | Circuit for improving the performance of digital to analog converters | — | 1986-01-28 |
| 4423409 | Digital-to-analog converter having single-ended input interface circuit | William J. Lillis, Anthony Wang | 1983-12-27 |
| 4381497 | Digital-to-analog converter having open-loop voltage reference for regulating bit switch currents | William J. Lillis, Anthony Wang, Robert L. White | 1983-04-26 |
| 4222107 | Method and apparatus for automatically calibrating a digital to analog converter | Andrij Mrozowski, Paul R. Prazak | 1980-09-09 |