Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6141543 | Method and apparatus for simulcast space diversity transmission of a message in a radio messaging system | Thomas Casey Hill | 2000-10-31 |
| 6091959 | Method and apparatus in a two-way wireless communication system for location-based message transmission | Thomas Casey Hill, Dwight R. Smith, Jheroen Dorenbosch | 2000-07-18 |
| 6084886 | Method and apparatus for facilitating establishment of communications in a messaging system | Leo G. Dehner | 2000-07-04 |
| 6078801 | Method and apparatus for optimized post detection filtering for simulcast receivers | — | 2000-06-20 |
| 5926501 | Method and apparatus for dynamic channel configuration | Casey Hill | 1999-07-20 |
| 5905945 | Method and apparatus for improving the reliability of communicating a message from a portable subscriber unit to a base receiver in a two-way radio messaging system | Thomas Casey Hill, Thomas V. D'Amico, Robert J. Schwendeman | 1999-05-18 |
| 5878352 | Apparatus and method for selecting a transmitter for directed message delivery | Samir A. Sawaya, Alain Charles Briancon, Gregory L. Cannon | 1999-03-02 |
| 5852638 | Method and apparatus for demodulating a symbol using symbol fragmentation, correlation and fourier analysis | Weizhong Chen | 1998-12-22 |
| 5850605 | Method and apparatus for dynamically grouping transmitters for message transmission in a communication system | Samir A. Sawaya, Jheroen Dorenbosch, Al Briancon | 1998-12-15 |
| 5825811 | Method and apparatus for facilitating inbound channel access | — | 1998-10-20 |
| 5809059 | Method and apparatus for spread spectrum channel assignment | Samir A. Sawaya | 1998-09-15 |
| 5805978 | Method and apparatus for overlaying an inbound channel on an outbound system | Casey Hill, Jheroen Dorenbosch | 1998-09-08 |
| 5671247 | Method and apparatus for interference suppression in spread spectrum signals | John B. Gehman | 1997-09-23 |