Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308010 | Systems, devices and methods related to design and production of active noise cancellation devices | Michael Jon Wurtz, Evan Albright, Amit Kumar | 2025-05-20 |
| 12177622 | Crosstalk off ear detection for circumaural headset | Amit Kumar, Colin Michael Doolittle | 2024-12-24 |
| 9858240 | Automatic center frequency and span setting in a test and measurement instrument | Ian S. Dees, David L. Suryan | 2018-01-02 |
| 9197455 | Two stage adaptive equalizer for a batch receiver | Shigetsune Torin | 2015-11-24 |
| 8184608 | System and method for using CDMA PN offset to maintain instrument timing reference | Soraya J. Matos, Thomas A. Elliot, Jerry L. Young | 2012-05-22 |
| 7130328 | Time history display of orthogonal code power levels | Kathryn A. Engholm | 2006-10-31 |
| 6850238 | Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal | Craig D. Bryant, Kathryn A. Engholm | 2005-02-01 |
| 6741642 | Enhanced constellation display for VSB television signals | Kyle L. Bernard, Xiaofen Chen | 2004-05-25 |
| 6671334 | Measurement receiver demodulator | Xiaofen Chen, Nikhil Deshpande, Kyle L. Bernard | 2003-12-30 |
| 6384589 | Reference frequency spur cancellation in synthesized measurement receivers | Linley F. Gumm, Xiaofen Chen | 2002-05-07 |
| 6366621 | Method of estimating pilot signal phase in a digitally modulated RF signal | Xiaofen Chen | 2002-04-02 |
| 6366629 | Method of estimating timing phase and rate offsets in digital data | Xiaofen Chen | 2002-04-02 |
| 6301298 | Adaptive equalizer with complex signal regeneration and method of operation | Nikhil Deshpande | 2001-10-09 |
| 6275523 | In-service measurement of transmitter nonlinearities | Xiaofen Chen, Linley F. Gumm | 2001-08-14 |