Issued Patents All Time
Showing 76–98 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421355 | Methods and linecard device for allocating multiple timeslots over digital backplane | Keith L. Quiring, Ray A. King | 2002-07-16 |
| 6411618 | Central office line card with code recognition for increasing data rates over PSTN | Keith L. Quiring | 2002-06-25 |
| 6400769 | Central office linecard and method for mapping companded data formats | Keith L. Quiring, Murtaza Ali | 2002-06-04 |
| 6396457 | Concentrator for coupling local wireless networks to a wired network | Mohammed Nafie, Anand G. Dabak, Carl M. Panasik, Michael L. McMahan | 2002-05-28 |
| 6381268 | Methods and device for estimating and correcting clipping in a discrete multi-tone communications system | Michael O. Polley | 2002-04-30 |
| 6370191 | Efficient implementation of error approximation in blind equalization of data communications | Shivaling S. Mahant-Shetti, Srinath Hosur | 2002-04-09 |
| 6366555 | Method and device for controlling signal clipping in a discrete multi-tone communications system | Michael O. Polley | 2002-04-02 |
| 6363109 | Methods and device for estimating and correcting clipping in a discrete multi-tone communications system | Michael O. Polley | 2002-03-26 |
| 6363110 | Methods and device for estimating and correcting clipping in a discrete multi-tone communications system | Michael O. Polley | 2002-03-26 |
| 6298366 | Reconfigurable multiply-accumulate hardware co-processor unit | Carl E. Lemonds, Dale E. Hocevar, Ching-Yu Hung | 2001-10-02 |
| 6275548 | Timing recovery system | Tod D. Wolf | 2001-08-14 |
| 6256724 | Digital signal processor with efficiently connectable hardware co-processor | Dale E. Hocevar, Carl E. Lemonds, Ching-Yu Hung | 2001-07-03 |
| 6252911 | Trellis shaping for PCM modems | Murtaza Ali | 2001-06-26 |
| 6201830 | Low computation idle transmission method for DSL modems | Adam M. Chellali, Michael O. Polley | 2001-03-13 |
| 6198774 | Method and apparatus for resolving spectral inversion ambiguities in coded data | — | 2001-03-06 |
| 6154497 | Method and system for analog to digital conversion | John W. Fattaruso | 2000-11-28 |
| 6137839 | Variable scaling of 16-bit fixed point fast fourier forward and inverse transforms to improve precision for implementation of discrete multitone for asymmetric digital subscriber loops | Dennis G. Mannering, Donald P. Shaver | 2000-10-24 |
| 6058404 | Apparatus and method for a class of IIR/FIR filters | Shivaling S. Mahant-Shetti | 2000-05-02 |
| 6055268 | Multimode digital modem | William C. Timm, Walter Y. Chen, Gene A. Frantz, Domingo G. Garcia, Xiaolin Lu +7 more | 2000-04-25 |
| 6044107 | Method for interoperability of a T1E1.4 compliant ADSL modem and a simpler modem | Mohammed Nafie, Donald P. Shaver | 2000-03-28 |
| 5889691 | Apparatus and method for a multiplier unit with high component utilization | Carl E. Lemonds | 1999-03-30 |
| 5802461 | Apparatus and method for timing recovery in vestigial sibeband modulation | — | 1998-09-01 |
| 5461640 | Method and system for optimizing an equalizer in a data transmission system | — | 1995-10-24 |