Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10291785 | Data unit retransmission | — | 2019-05-14 |
| 9306733 | Method of synchronizing a communication system | Kevin Zhifang Du, Brian Wiese, Richard Glentworth Greenfield | 2016-04-05 |
| 7929626 | Variable power communications including rapid switching between coding constellations of various sizes | — | 2011-04-19 |
| 7787558 | Rapid re-synchronization of communication channels | — | 2010-08-31 |
| 7782930 | Optimized short initialization after low power mode for digital subscriber line (DSL) communications | — | 2010-08-24 |
| 7190717 | System and method for tone ordering in discrete multi-tone (DMT) modems | Channamallesh G. Hiremath, Udayan Dasgupta, Zigang Yang, Umashanker S. Iyer | 2007-03-13 |
| 6993099 | Communications receiver architectures and algorithms permitting hardware adjustments for optimizing performance | Thomas Zogakis, Brian Wiese | 2006-01-31 |
| 6598188 | Error-corrected codeword configuration and method | Kapil Gulati | 2003-07-22 |
| 6088126 | Fax overflow loopback prevention | Joseph F. Khouri, Jeffrey Blohm | 2000-07-11 |
| 6021178 | System and method for detecting types of signals in messaging systems | Daniel T. Lai | 2000-02-01 |
| 5588045 | Voice/data transfer method and apparatus utilizing an alternate line | — | 1996-12-24 |
| 5528663 | DTMF detection for voice processing equipment | Morteza Hagh-Panah | 1996-06-18 |
| 5172406 | DTMF signal detection apparatus | — | 1992-12-15 |
| 5073941 | Multifrequency detection | — | 1991-12-17 |
| 5031218 | Redundant message processing and storage | Claude Galand, Daniel T. Lai | 1991-07-09 |
| 5003573 | Self-diagnosis of loop start and ground start trunk interfaces | Michael D. Agah | 1991-03-26 |