Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486724 | Codec compensation techniques for channel analysis applications | Xiao Gao | 2009-02-03 |
| 7406157 | Methods and apparatuses for determining loop characteristics using an extended voice-band modem | Sigang Qiu, Prashant Pratap Tawade, Vedavalli G. Krishnan, Mandayam Krishnan | 2008-07-29 |
| 7133497 | Use of lower bandwidth technology to determine channel capability for supporting higher bandwidth technology | Karl Nordling, Vedavalli G. Krishnan, Mandayam Krishnan, Fred Schuckert, Don Carmon | 2006-11-07 |
| 7103147 | Methods and apparatuses for determining loop characteristics using standard voice-band modem | Sigang Qiu, Prashant Pratap Tawade, Vedavalli G. Krishna, Mandayam Krishnan, Bo Zhang | 2006-09-05 |
| 7072462 | Estimation of DSL telephone loop capability using CAZAC sequence | Veda Krishnan, Xiao Gao, Kanna Krishnan | 2006-07-04 |
| 7020246 | Time domain reflected signal measurement using statistical signal processing | Xiao Gao, Veda Krishnan, Kanna Krishnan | 2006-03-28 |
| 6931076 | Signal detector | Sigang Qiu | 2005-08-16 |
| 6708235 | Multi-modem implementation with host based and digital signal processor based modems | David Pearce, Karl Nordling, Amir Hindie, Karl Leinfelder, Sebastian Gracias +1 more | 2004-03-16 |
| 6661848 | Integrated audio and modem device | Karl Nordling, Amir Hindie, Karl Leinfelder, Sebastian Gracias, Jim Beaney | 2003-12-09 |
| 6611555 | Integrated audio and modem device | Karl Nordling, Amir Hindie, Karl Leinfelder, Sebastian Gracias, Jim Beaney | 2003-08-26 |
| 6526068 | Interface control of communication between a control processor and a digital signal processor | — | 2003-02-25 |
| 6449281 | Interface control of communication between a control processor and a digital signal processor | — | 2002-09-10 |
| 6374312 | System for dedicating a host processor to running one of a plurality of modem programs and dedicating a DSP to running another one of the modem programs | David Pearce, Karl Nordling, Amir Hindie, Karl Leinfelder, Sebastian Gracias +1 more | 2002-04-16 |
| 6135651 | Patching apparatus and method for upgrading modem software code | Karl Leinfelder, Sanjay Gupta, Navin Jaffer, Shahin Hedayat, Babu S. Mandava | 2000-10-24 |
| 6047337 | Parasitic personal computer interface | — | 2000-04-04 |
| RE32891 | Pouring spout opening configuration for a gable top of a container | — | 1989-03-21 |
| 4612509 | Frequency shift keyed demodulator | William L. Betts, Michael R. Deakley | 1986-09-16 |
| 4527732 | Pouring spout opening configuration for a gable top of a container | — | 1985-07-09 |
| 4517680 | Error vector normalizer | William L. Betts | 1985-05-14 |