Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9479317 | Communications system density and range improvement by signal-strength-directed channel class selection with weighting for minimum capacity consumption | — | 2016-10-25 |
| 9338643 | Telecommunications device localization and alarm | — | 2016-05-10 |
| 9338784 | Multiple RF band operation in mobile devices | Mark Clark, Steve Evans | 2016-05-10 |
| 9014644 | Proximity detection using diversity path loss sampling | — | 2015-04-21 |
| 8750855 | Telecommunications device localization and alarm | — | 2014-06-10 |
| 8712467 | Multiple RF band operation in mobile devices | Mark Clark, Steve Evans | 2014-04-29 |
| 8583138 | Communications system with efficient multiprotocol-aware channel selection and interference avoidance | Mark Clark | 2013-11-12 |
| 8577318 | Communications system density and range improvement by signal-strength-directed channel class selection with weighting for minimum capacity consumption | — | 2013-11-05 |
| 8270905 | Near-far sensing using frequency swept RSSI | Douglas K. Rosener | 2012-09-18 |
| 8219109 | Multiprotocol interference avoidance in monoprotocol radio communications system | — | 2012-07-10 |
| 6903693 | Bifurcated inverted F antenna | Barry J. Lee, Steve Evans | 2005-06-07 |
| 6304763 | Communication device having multiple displays and method of operating the same | Ketan R. Jahagirdar, William P. Alberth, Jr., Rolland R. Hackbart, Rashid M. Osmani | 2001-10-16 |
| 6125286 | Communication device having multiple displays and method of operating the same | Ketan R. Jahagirdar, William P. Alberth, Jr., Rolland R. Hackbart, Rashid M. Osmani | 2000-09-26 |
| 6016312 | Radiotelephone and method for clock calibration for slotted paging mode in a CDMA radiotelephone system | Brian D. Storm, Mark Joseph Callicotte | 2000-01-18 |
| 5678221 | Apparatus and method for substantially eliminating noise in an audible output signal | — | 1997-10-14 |
| 5621763 | Apparatus and method for generating a transition between the on and off states of a radio frequency transmitter | Thomas J. Walczak, Robert I. Greene, John W. Diehl | 1997-04-15 |
| 5546380 | Method for supervising TDMA radio frequency communications | Peter A. Tomasi, Mark E. Prill | 1996-08-13 |
| 5493714 | Apparatus and method for automatically controlling a reference frequency in a dual mode receiver | — | 1996-02-20 |
| 5410741 | Automatic gain control of transponded supervisory audio tone | Edward M. Roney, IV | 1995-04-25 |
| 5287556 | Interference reduction using an adaptive receiver filter, signal strength, and BER sensing | — | 1994-02-15 |
| 5263055 | Apparatus and method for reducing harmonic interference generated by a clock signal | — | 1993-11-16 |
| 5261119 | Signal level measuring system for a radio receiver | — | 1993-11-09 |
| 5193223 | Power control circuitry for a TDMA radio frequency transmitter | Thomas J. Walczak | 1993-03-09 |
| 5187809 | Dual mode automatic gain control | Randall W. Rich, Rashid M. Osmani, Thomas J. Walczak | 1993-02-16 |
| 5163159 | Dual mode automatic frequency control | Randall W. Rich, Rashid M. Osman, Thomas J. Walczak | 1992-11-10 |