Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539083 | Intelligent routing of coordinated audio, video, web services and measurement data streams | Nicholas Augustinos, Jack C. Cham, Dave M. Singhal, Shawn Hsiao-Ping Yang, Danyang Raymond Zheng | 2013-09-17 |
| 8245264 | Methods and systems to reduce channel selection transition delay in a digital network | John Toebes, Wen-hsiung Chen, Jack C. Cham | 2012-08-14 |
| 8218654 | Method for reducing channel change startup delays for multicast digital video streams | Gary Cheng, Charles Shen, Jack C. Cham | 2012-07-10 |
| 7710983 | Method and apparatus for determining information associated with a particular multicast channel in a multicast network | Danyang Raymond Zheng, Jack C. Cham, Charles Shen | 2010-05-04 |
| 7664136 | Inline power for multiple devices in a wired data telecommunications network | John Toebes, Jack C. Cham | 2010-02-16 |
| 5864560 | Method and apparatus for mode switching in a voice over data computer-based personal communications system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn | 1999-01-26 |
| 5815503 | Digital simultaneous voice and data mode switching control | — | 1998-09-29 |
| 5790532 | Voice over video communication system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1998-08-04 |
| 5764627 | Method and apparatus for a hands-free speaker phone | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1998-06-09 |
| 5673257 | Computer-based multifunction personal communication system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-09-30 |
| 5673268 | Modem resistant to cellular dropouts | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-09-30 |
| 5617423 | Voice over data modem with selectable voice compression | Timothy D. Gunn, Jeffrey P. Davis | 1997-04-01 |
| 5600649 | Digital simultaneous voice and data modem | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-02-04 |
| 5577041 | Method of controlling a personal communication system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1996-11-19 |
| 5574725 | Communication method between a personal computer and communication module | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn | 1996-11-12 |
| 5546395 | Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala | 1996-08-13 |
| 5535204 | Ringdown and ringback signalling for a computer-based multifunction personal communications system | — | 1996-07-09 |
| 5500859 | Voice and data transmission system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn | 1996-03-19 |
| 5471470 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1995-11-28 |
| 5452289 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Sidhartha Maitra, Ashish Thanawala +1 more | 1995-09-19 |
| 5309562 | Method and apparatus for establishing protocol spoofing from a modem | — | 1994-05-03 |
| 5301274 | Method and apparatus for automatic balancing of modem resources | — | 1994-04-05 |