Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774502 | Fully integrated data receiver and method for receiving on/off keyed AM/PDSK modulated signals | Albert D. Darby, Jr., Alexander J. Nadler | 1998-06-30 |
| 5765112 | Low cost wide area network for data communication using outbound message specifying inbound message time and frequency | Brendan T. Fitzgerald, Andrew T. Powshok, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1998-06-09 |
| 5760646 | Feed-forward correction loop with adaptive predistortion injection for linearization of RF power amplifier | Michael A. Wohl, Kent E. Bagwell | 1998-06-02 |
| 5734963 | Remote initiated messaging apparatus and method in a two way wireless data communications network | Brendan T. Fitzgerald, Andrew T. Powshok, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1998-03-31 |
| 5710519 | Circuit for automatically biasing RF power transistor by use of on-chip temperature-sensing transistor | William McCalpin, David Sam Piazza, Pierre Irissou | 1998-01-20 |
| 5661459 | Proximity monitoring apparatus employing encoded, sequentially generated, mutually orthogonally polarized magnetic fields | — | 1997-08-26 |
| 5659325 | Low impedance loop antenna and drive circuitry | Gregory Marquardt | 1997-08-19 |
| 5640442 | Technique for determining propagating and clear frequency to be used in wide area wireless data communications network | Brendan T. Fitzgerald, Andrew T. Powshok, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1997-06-17 |
| 5627526 | Proximity detection using DPSK waveform | Albert D. Darby, Jr., Lamar McBryde | 1997-05-06 |
| 5589844 | Automatic antenna tuner for low-cost mobile radio | David C. Bailey | 1996-12-31 |
| 5557495 | Variable capacitor and method | David C. Bailey | 1996-09-17 |
| 5557617 | Frequency division switching using RF buss | Earl B. Knick, Andrew T. Powshok | 1996-09-17 |
| 5550824 | RF signal distribution scheme | — | 1996-08-27 |
| 5535039 | Divergence feedback in a linear fiber optic analog transmission system and method | David M. Thomas | 1996-07-09 |
| 5528405 | Power series correction in a linear fiber optic analog transmission system and method | David M. Thomas | 1996-06-18 |
| 5477210 | Proximity monitoring apparatus employing encoded, sequentially generated, mutually orthogonally polarized magnetic fields | — | 1995-12-19 |
| 5434357 | Reduced semiconductor size package | Calvin L. Adkins | 1995-07-18 |
| 5394113 | High impedance low-distortion linear amplifier | — | 1995-02-28 |
| 5319315 | Class-C RF power amplifier having digitally driven shunt circuit for removing accumulated excess base charge | — | 1994-06-07 |
| 5203016 | Signal quality-dependent adaptive recursive integrator | Darrell R. Gimlin | 1993-04-13 |
| 5041797 | Micro-power gain lattice | Alexander J. Nadler | 1991-08-20 |
| 4969159 | Spread spectrum communication system employing composite spreading codes with matched filter demodulator | W. Scott Bradley, Darrell R. Gimlin, James P. Klaasen | 1990-11-06 |
| 4737739 | Monolithic FET bridge attenuator | Charles D. Rosier, Seward T. Salvage | 1988-04-12 |
| 4700153 | Phase-compensated FET attenuator | Seward T. Salvage, Charles D. Rosier | 1987-10-13 |
| 4277764 | Microwave transistor stabilization circuit | Charles D. Rosier, Jing-Jong Pan | 1981-07-07 |