Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5732003 | Sawtooth phase filter | Jeffrey P. Woodard | 1998-03-24 |
| 5703596 | Demodulating integrator/demultiplexer | — | 1997-12-30 |
| 5675498 | Measuring amplitude of sparsely sampled sinusoidal signal | — | 1997-10-07 |
| 5577073 | Frequency and phase-locked two-phase digital synthesizer | — | 1996-11-19 |
| 5576976 | Amplitude detection and automatic gain control of a sparsely sampled sinusoid by adjustment of a notch filter | — | 1996-11-19 |
| 5566093 | Sensor with resonator, digital filter, and display | — | 1996-10-15 |
| 5550866 | Digital demodulator reference signal generator having DC blocker and first Hilbert transformation with quadrature output followed by gain staging and combination for second Hilbert transformation quadrature output | — | 1996-08-27 |
| 5524120 | Digital low power symbol rate detector | Joseph P. Pride, III | 1996-06-04 |
| 5491725 | Tracking filter and quadrature-phase reference generator | — | 1996-02-13 |
| 5487015 | Self-oscillating driver circuit for a quartz resonator of an angular rate sensor | — | 1996-01-23 |
| 5471396 | Estimator of amplitude and frequency of a noisy-biased sinusoid from short bursts of samples | — | 1995-11-28 |
| 5463575 | Reduced quantization noise from single-precision multiplier | — | 1995-10-31 |
| 5459432 | Use of a chopper and a sigma-delta modulator for downconverting and digitizing an analog signal including information modulated by a carrier | John C. Pinson | 1995-10-17 |
| 5444639 | Angular rate sensing system and method, with digital synthesizer and variable-frequency oscillator | — | 1995-08-22 |
| 5444641 | Admittance-parameter estimator for a piezoelectric resonator in an oscillator circuit | — | 1995-08-22 |
| 5400269 | Closed-loop baseband controller for a rebalance loop of a quartz angular rate sensor | John C. Pinson | 1995-03-21 |
| 5367475 | Moving vehicle classifier with iterative deconvolver estimator | — | 1994-11-22 |
| 5361036 | Complex digital demodulator employing Chebychev-approximation derived synthetic sinusoid generation | — | 1994-11-01 |
| 5361379 | Soft-decision classifier | — | 1994-11-01 |
| 5339263 | Combined decimation/interpolation filter for ADC and DAC | — | 1994-08-16 |
| 5337257 | Moving vehicle classifier with nonlinear mapper | — | 1994-08-09 |
| 5319587 | Computing element for neural networks | — | 1994-06-07 |
| 5270953 | Fast convolution multiplier | — | 1993-12-14 |
| 5247515 | Apparatus for extracting one from many multiplexed signals | — | 1993-09-21 |
| 5233551 | Radix-12 DFT/FFT building block | — | 1993-08-03 |