Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9680220 | Method and apparatus for transitioning between cell sites | Frank M. Caimi, Mark T. Montgomery, Mark W. Kishler | 2017-06-13 |
| 9627753 | Antenna structures and methods thereof for determining a frequency offset based on a measured data | Frank M. Caimi, Mark T. Montgomery, Li Chen, Mark W. Kishler | 2017-04-18 |
| 9444139 | Antenna structures and methods thereof for configuring an antenna structure of a communication device in transit | Mark T. Montgomery, Frank M. Caimi, Li Chen, Robert Giometti | 2016-09-13 |
| 9379454 | Method and apparatus for tuning antennas in a communication device | Keith Manssen, Matthew Russell Greene | 2016-06-28 |
| 9263806 | Method and apparatus for tuning antennas in a communication device | Keith Manssen, Matthew Russell Greene | 2016-02-16 |
| 8432234 | Method and apparatus for tuning antennas in a communication device | Keith Manssen, Matthew Russell Greene | 2013-04-30 |
| 7512795 | Method and apparatus for authenticating components | Ronald Buskey, Larry C. Puhl | 2009-03-31 |
| 6917641 | Method and apparatus for detecting software tampering in a subscriber device | Michael D. Kotzin | 2005-07-12 |
| 6640184 | Method and apparatus for providing location information | — | 2003-10-28 |
| 6188767 | Method of providing group call services in a CDMA communications system | Michael L. Needham, Leigh M. Chinitz | 2001-02-13 |
| 6138010 | Multimode communication device and method for operating a multimode communication device | William P. Alberth, Jr., John G. Rauch | 2000-10-24 |
| 6097973 | Electronic circuit for a portable electronic device | William P. Alberth, Jr., Louis J. Vannatta | 2000-08-01 |
| 5966667 | Dual mode communication device and method | Stephanie S. Halloran, Paul R. Christian | 1999-10-12 |
| 5764730 | Radiotelephone having a plurality of subscriber identities and method for operating the same | Gary Jorgensen, David Schuster | 1998-06-09 |
| 5740530 | Rapid received signal strength indication | Gerald P. Labedz | 1998-04-14 |
| 5711001 | Method and circuit for acquisition by a radio receiver | Christopher Bussan, Patrick J. Marry, Charles Binzel, Arvind S. Arora | 1998-01-20 |
| 5509048 | Radio transceiver with interface apparatus which visually displays information and method therefor | Reuven Meidan, Nathan Ariav, Hanan Achsaf | 1996-04-16 |
| 5506863 | Method and apparatus for operating with a hopping control channel in a communication system | Reuven Meidan, Michael D. Kotzin | 1996-04-09 |
| 5493700 | Automatic frequency control apparatus | Alexander Wayne Hietala | 1996-02-20 |
| 5212826 | Apparatus and method of DC offset correction for a receiver | Daniel C. Feldt | 1993-05-18 |
| 5192924 | Filter circuit for attenuating high frequency signals | Darioush Agahi-Kesheh | 1993-03-09 |
| 5093632 | Latched accumulator fractional N synthesis with residual error reduction | Alexander Wayne Hietala | 1992-03-03 |
| 5070310 | Multiple latched accumulator fractional N synthesis | Alexander Wayne Hietala | 1991-12-03 |
| 5055802 | Multiaccumulator sigma-delta fractional-N synthesis | Alexander Wayne Hietala | 1991-10-08 |
| 5031193 | Method and apparatus for diversity reception of time-dispersed signals | Frederick G. Atkinson, Gerald P. Labedz, Joseph J. Schuler, Alton Paul Werronen | 1991-07-09 |