Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772126 | Method and apparatus for transferring low bit rate digital voice messages using incremental messages | Floyd D. Simpson, Jian-Cheng Huang, Kenneth Finlon, Robert J. Schwendeman | 2004-08-03 |
| 6707826 | Method and apparatus for wireless bandwidth efficient multi-way calling | Paul E. Gorday | 2004-03-16 |
| 6496798 | Method and apparatus for encoding and decoding frames of voice model parameters into a low bit rate digital voice message | Jian-Cheng Huang, Floyd D. Simpson, Oleg Andric, Kenneth Finlon | 2002-12-17 |
| 6418405 | Method and apparatus for dynamic segmentation of a low bit rate digital voice message | Jian-Cheng Huang, Floyd D. Simpson, Kenneth Finlon | 2002-07-09 |
| 6418407 | Method and apparatus for pitch determination of a low bit rate digital voice message | Jian-Cheng Huang, Floyd D. Simpson, Kenneth Finlon | 2002-07-09 |
| 6370500 | Method and apparatus for non-speech activity reduction of a low bit rate digital voice message | Jian-Cheng Huang, Floyd D. Simpson, Kenneth Finlon | 2002-04-09 |
| 6185525 | Method and apparatus for digital signal compression without decoding | David B. Taubenheim, Miriam R. Boudreaux | 2001-02-06 |
| 6078793 | High precision controlled gain voice processing system and method | Thomas V. D'Amico | 2000-06-20 |
| 5920840 | Communication system and method using a speaker dependent time-scaling technique | Clifford D. Leitch, Robert J. Schwendeman, Kazimierz Siwiak, William J. Kuznicki | 1999-07-06 |
| 5828995 | Method and apparatus for intelligible fast forward and reverse playback of time-scale compressed voice messages | Paul E. Gorday, Radha Khan | 1998-10-27 |
| 5806023 | Method and apparatus for time-scale modification of a signal | — | 1998-09-08 |
| 5703570 | Method and apparatus for indicating undelivered messages in a communication device | Paul E. Gorday, Xuan-Khanh Tran Gorday | 1997-12-30 |
| 5699404 | Apparatus for time-scaling in communication products | Salvador Sibecas | 1997-12-16 |
| 5689440 | Voice compression method and apparatus in a communication system | Clifford D. Leitch, Robert J. Schwendeman, Kazimierz Siwiak, William J. Kuznicki | 1997-11-18 |
| 5668923 | Voice messaging system and method making efficient use of orthogonal modulation components | Kazimierz Siwiak, William J. Kuznicki | 1997-09-16 |
| 5613218 | Method and apparatus in a radio communication system for mitigating noise and interference effects | Xiaojun Li, Thomas V. D'Amico | 1997-03-18 |