Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999774 | Method and system for handling messages addressed to multiple mobile nodes | Ajaykumar R. Idnani, Ajoy K. Singh | 2006-02-14 |
| 6973052 | Hybrid power save delivery method in a wireless local area network for real time communication | Huai Y. Wang, Ye Chen, Stephen P. Emeott, Floyd D. Simpson | 2005-12-06 |
| 6961572 | Method and apparatus for base-initiated, CDMA-dispatch soft handoff | Michael L. Needham, Leigh M. Chinitz | 2005-11-01 |
| 6925309 | Method and apparatus for quickly establishing a CDMA dispatch call | Michael L. Needham, Leigh M. Chinitz | 2005-08-02 |
| 6917598 | Unscheduled power save delivery method in a wireless local area network for real time communication | Stephen P. Emeott, Ye Chen, Floyd D. Simpson, Huai Y. Wang, Nattavut Smavatkul | 2005-07-12 |
| 6859490 | Method and system for wireless communications using different modulation techniques to provide guard times | — | 2005-02-22 |
| 6788941 | Method and apparatus for mobile-initiated, CDMA-dispatch soft handoff | Michael L. Needham, Leigh M. Chinitz | 2004-09-07 |
| 6683551 | Digital-to-analog converter and method of operation | David Tester | 2004-01-27 |
| 6671515 | Method and apparatus for selecting communication cells in a wireless communication system | Michael J. Needham, Leigh M. Chinitz | 2003-12-30 |
| 6552612 | Stepped gain amplifier with improved attenuation | — | 2003-04-22 |
| 6233461 | Method and apparatus for group calls in a wireless CDMA communication system | Leigh M. Chinitz, Michael L. Needham | 2001-05-15 |
| 6223035 | Method and apparatus for providing a subscriber record for packet data registration of a mobile station | Jennifer Pierce | 2001-04-24 |
| 6181685 | Method and apparatus for group calls in a wireless CDMA communication system | Leigh M. Chinitz, Michael L. Needham | 2001-01-30 |
| 6178166 | Method and apparatus for group calls in a wireless CDMA communication system | Hua Xu | 2001-01-23 |
| 6115388 | Establishment of multiple low-rate inbound signaling links in CDMA dispatch system | Leigh M. Chinitz, Michael L. Needham | 2000-09-05 |
| 6094429 | Method for accessing and providing access to a packet channel | Jeffrey J. Blanchette, J. Chris Stanaway | 2000-07-25 |
| 5987021 | Method and apparatus for allocating resources between queued and non-queued services | Paul M. Erickson | 1999-11-16 |
| 5914958 | Fast call setup in a CDMA dispatch system | Leigh M. Chinitz, Michael L. Needham | 1999-06-22 |
| 5726764 | Apparatus and method for providing data and facsimile services in a RF communication system | Rod Averbuch | 1998-03-10 |
| 5721732 | Method of transmitting user information and overhead data in a communication device having multiple transmission modes | Stephen P. Emeott | 1998-02-24 |
| 5542112 | Method and apparatus for providing reliable signalling tones in a radio communication system | Leopold Alonso, Paul M. Erickson | 1996-07-30 |
| 5533673 | Nozzle system imparting compound motion | Steven E. Jones | 1996-07-09 |
| 5477550 | Method for communicating data using a modified SR-ARQ protocol | Kenneth J. Crisler, Michael L. Needham | 1995-12-19 |
| 5471670 | Method for determining communciation resource handoffs | Garry C. Hess, Barry S. Leung | 1995-11-28 |
| 5469465 | Method and apparatus for mitigating distortion effects in the determination of signal usability | Mark A. Birchler, Steven C. Jasper | 1995-11-21 |