Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452327 | Programmable randomly tunable digital demodulator | Steven T. Barham, Mark C. Austin | 1995-09-19 |
| 5432813 | Parallel processing based digital matched filter and error detector for a digital demodulator | Steven T. Barham, Harold L. Simonson | 1995-07-11 |
| 5414730 | Asynchronous samples data demodulation system | Alan E. Lundquist, John W. Zscheile, Jr. | 1995-05-09 |
| 5299229 | High rate-low rate PN code tracking system | John W. Zscheile, Jr., Alan E. Lundquist | 1994-03-29 |
| 5222100 | Range based acquisition system | Alan E. Lundquist, John W. Zscheile, Jr. | 1993-06-22 |
| 5134631 | Digital gain controller | Steven T. Barham, Harold L. Simonsen | 1992-07-28 |
| 5128958 | Digital time error signal generator | Steven T. Barham, Harold L. Simonsen | 1992-07-07 |
| 5105437 | Programmable digital acquisition and tracking controller | Steven T. Barham, Harold L. Simonsen | 1992-04-14 |
| 5101370 | Programmable digital accumulate and scale circuit | Steven T. Barham, Harold L. Simonsen | 1992-03-31 |
| 5099494 | Six channel digital demodulator | Steven T. Barham, Harold L. Simonsen | 1992-03-24 |
| 5084913 | Programmable multi-mode two-channel timing generator | Steven T. Barham, Harold L. Simonsen | 1992-01-28 |
| 5062071 | Programmable gain accumulator | Steven T. Barham, Harold L. Simonsen | 1991-10-29 |
| 5060180 | Programmable digital loop filter | Steven T. Barham, Harold L. Simonsen | 1991-10-22 |
| 5022048 | Programmable digital frequency-phase discriminator | Steven T. Barham, Harold L. Simonsen | 1991-06-04 |
| 4969160 | Dual channel clock recovery circuit | — | 1990-11-06 |
| 4962508 | Dual channel interference canceller | — | 1990-10-09 |
| 4852121 | Coherent pseudonoise code tracking loop | John W. Zscheile, Jr. | 1989-07-25 |
| 4841552 | Digital phase shifter | — | 1989-06-20 |
| 4817113 | Range estimation using floating reference points | Alan E. Lundquist, Billie M. Spencer, John W. Zscheile, Jr. | 1989-03-28 |
| 4808939 | Variable rate rectangular matched filter | — | 1989-02-28 |
| 4776012 | Method of jumping composite PN codes | John W. Zscheile, Jr., Benjamin V. Cox, Billie M. Spencer | 1988-10-04 |
| 4729114 | Signal processing circuit for instantaneous fourier transformation | Randall J. Mills | 1988-03-01 |
| 4441194 | Triple bit non-coherent matched filter receiving system | Billie M. Spencer, John W. Zscheile, Jr., Robert Price | 1984-04-03 |
| 4357610 | Waveform encoded altitude sensor | Virgil A. Ehresman | 1982-11-02 |