Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7843954 | Scaleable VoIP telephone line circuit | Zaher Baidas, Paul Nicholas | 2010-11-30 |
| 6697423 | Precursor decision feedback equalizer (PDFE) | Gary Q. Jin | 2004-02-24 |
| 6661895 | Zero-delay structure for sub-band echo cancellation | Qu Gary Jin, Kon Max Wong, Qiang Wu, Philippe Wu | 2003-12-09 |
| 6608897 | Double-talk insensitive NLMS algorithm | Gary Q. Jin, Thomas Qian | 2003-08-19 |
| 6522747 | Single-sided subband filters | James P. Reilly, Nima Ahmadvad, Mike Seibert | 2003-02-18 |
| 6282286 | Nonlinear processor for acoustic echo canceller with background noise preservation and long echo tail suppression | Gary Q. Jin, Thomas Qian | 2001-08-28 |
| 6138244 | Timing recovery with minimum jitter movement | Gary Q. Jin | 2000-10-24 |
| 6122652 | Tone and periodical signal detection | Gary Q. Jin | 2000-09-19 |
| 5991784 | Signal processing circuit | — | 1999-11-23 |
| 5937009 | Sub-band echo canceller using optimum wavelet packets and cross-band cancellation | Kon Max Wong, Qu Gary Jin, Qiang Wu, Phillippe Wu | 1999-08-10 |
| 5471528 | Voice switched speakerphone with filters having exponential transfer function in the monitoring path | — | 1995-11-28 |
| 4796287 | Digital loudspeaking telephone | Gerald Kuhn | 1989-01-03 |
| 4694482 | Digital tone detector | Patrick R. Beirne, Zbigniew B. Styrna | 1987-09-15 |
| 4669114 | Digital tone detector | Patrick R. Beirne, Zbigniew B. Styrna | 1987-05-26 |