Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10548108 | System and method for providing mobility management and out-of-coverage indication in a conventional land mobile radio system | Arindam Roy, Marshall Jobe | 2020-01-28 |
| 9814014 | System and method for providing mobility management and out-of-coverage indication in a conventional land mobile radio system | Arindam Roy, Marshall Jobe | 2017-11-07 |
| 9420558 | Hybrid land mobile radio system incorporating mobility management and out-of-coverage indication | Arindam Roy, Marshall Jobe | 2016-08-16 |
| 8774093 | System and method for providing mobility management and out-of-coverage indication in a conventional land mobile radio system | Arindam Roy, Marshall Jobe | 2014-07-08 |
| 8699369 | Hybrid land mobile radio system incorporating mobility management and out-of-coverage indication | Arindam Roy, Marshall Jobe | 2014-04-15 |
| 7944847 | Voting comparator method, apparatus, and system using a limited number of digital signal processor modules to process a larger number of analog audio streams without affecting the quality of the voted audio stream | John Livdahl | 2011-05-17 |
| 6865384 | Method and communication network for routing a real-time communication message based on a subscriber profile | Uday Sagi, Steven E. Trine, Peter C. Peddie | 2005-03-08 |
| 4972510 | Method and apparatus for squelching dependent on detected bond rate to reduce unwanted audible noise on a mixed voice data channel | David J. Guizerix, William Siegel | 1990-11-20 |
| 4926460 | Universal PSTN page entry protocol | Jose Gutman, Steven J. Goldberg | 1990-05-15 |