Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954470 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2005-10-11 |
| 6842440 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2005-01-11 |
| 6771667 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2004-08-03 |
| 6680904 | Bi-directional chaining of network access ports | Menachem Kaplan, David Zelig, Roy Kinamon, Eli Aloni, Ron Sdayoor +1 more | 2004-01-20 |
| 6393002 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2002-05-21 |
| 6282180 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2001-08-28 |
| 6081502 | Method and apparatus for reducing probability of clipping | Ilan Reuven | 2000-06-27 |
| 6014374 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 2000-01-11 |
| 5842137 | Subscriber unit for wireless digital telephone system | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1998-11-24 |
| 5778055 | System for, and method of, transmitting and receiving through telephone lines signals representing data | Mordechai Segal, Boaz Rippin, Ehud Rokach | 1998-07-07 |
| 5734678 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1998-03-31 |
| 5687194 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1997-11-11 |
| 5627885 | System for, and method of, transmitting and receiving through telephone lines signals representing data | Mordechai Segal, Boaz Rippin, Ehud Rokach | 1997-05-06 |
| 5177741 | Subscriber unit for wireless digital telephone system | David N. Critchlow, Graham Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1993-01-05 |
| 5168507 | Automatic adaptive equalizer | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1992-12-01 |
| 5121391 | Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1992-06-09 |
| 5119375 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1992-06-02 |
| 5101418 | Digital time-multiplexed quadrature frequency upconverter | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1992-03-31 |
| 5067141 | Interpolator for varying a signal sampling rate | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1991-11-19 |
| 5022024 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1991-06-04 |
| 4996697 | Deglitching means for digital communication systems | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1991-02-26 |
| 4994802 | Subscriber unit for wireless digital telephone system | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1991-02-19 |
| 4912705 | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels | Mark J. Handzel, Steven A. Morley, Graham M. Avis | 1990-03-27 |
| 4893317 | Digital signals and frequency correction in a digital wireless system | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1990-01-09 |
| 4881240 | AM equalizer circuit for digital systems | David N. Critchlow, Graham M. Avis, Sandra J. K. Earlam, Karle J. Johnson, Bruce A. Smetana +2 more | 1989-11-14 |