Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842426 | Fault detection for subscriber loop repeaters | Gary Bogardus, Sandro Squadrito | 2005-01-11 |
| 6842498 | Global positioning system interference detection | Johann Heinzl, Gary Jacobsen, Jining Yang | 2005-01-11 |
| 6829292 | Increasing gain with isolating upstream and downstream filters and amplifiers | — | 2004-12-07 |
| 6724835 | Carrier tracking method | — | 2004-04-20 |
| 6707329 | Clock recovery or detection of rapid phase transients | — | 2004-03-16 |
| 6549604 | Clock recovery and detection of rapid phase transients | — | 2003-04-15 |
| 6512803 | Global positioning system receiver capable of functioning in the presence of interference | Johann Heinzl, Gary Jacobsen, Jining Yang | 2003-01-28 |
| 6507606 | Asymmetric digital subscriber line methods suitable for long subscriber loops | Sandro Squadrito, Gary Bogardus | 2003-01-14 |
| 6490296 | Multi-link segmentation and reassembly for bonding multiple PVC's in an inverse multiplexing arrangement | Gary Jacobsen, Kamila Kraba, Chien-Chou Lai, Jeremy Sommer, Jining Yang | 2002-12-03 |
| 6125125 | Synchronization of TDMA cell sites | Madihally J. Narasimha | 2000-09-26 |
| 5828670 | Distribution of synchronization in a synchronous optical environment | Madihally J. Narasimha | 1998-10-27 |
| 5768355 | Three-way call detection system | William J. Salibrici, Thomas R. Spadaro, Michael Jaeger | 1998-06-16 |
| 5764704 | DSP implementation of a cellular base station receiver | — | 1998-06-09 |
| 5638379 | Encoding system for distribution of synchronization | Madihally J. Narasimha | 1997-06-10 |
| 5327495 | Apparatus and method for controlling an echo canceler | Thomas T. Oshidari | 1994-07-05 |
| 5280532 | N:1 bit compression apparatus and method | Patrick L. Hanagan, Helena S. Ho, Frank Yu | 1994-01-18 |
| 5159279 | Apparatus and method for detecting out-of-lock condition in a phase lock loop | David Wetle | 1992-10-27 |
| 5151901 | DS1 trunk packing and unpacking apparatus and method | Patrick L. Hanagan, Helena S. Ho, Frank Yu | 1992-09-29 |
| 5148426 | Integrated echo canceling multiplexor | Paul P. Yang, Terrence G. Sopira | 1992-09-15 |
| 5065395 | Rudimentary digital speech interpolation apparatus and method | Patrick L. Hanagan, Helena S. Ho, Frank Yu | 1991-11-12 |
| 5029204 | Operational status controller for echo canceling | Terrence G. Sopira | 1991-07-02 |
| 5007086 | Apparatus and method for generating low level noise signals | Helena S. Ho | 1991-04-09 |
| 4476435 | Digital demodulation of frequency modulated signals | Hyokang Chang, Bgahwati P. Agrawal | 1984-10-09 |
| 4439756 | Delta-Sigma modulator with switch capacitor implementation | Bhagwati P. Agrawal | 1984-03-27 |
| 4302631 | Decimator apparatus for decreasing the word rate of a digital signal of the type employed in digital telephone systems | Bhagwati P. Agrawal, Larry Chu | 1981-11-24 |