Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7139842 | Method and apparatus for intersystem cut/copy and paste | — | 2006-11-21 |
| 7127116 | Image data compression | Lawrence K. Freytag, Michael Keith | 2006-10-24 |
| 6941021 | Video conferencing | Lawrence K. Freytag, Michael Keith | 2005-09-06 |
| 6771830 | Differential pulse code modulation image compression with varying levels of quantizers | Lawrence K. Freytag, Michael Keith | 2004-08-03 |
| 6526179 | Compression sensitive sharpening | Thomas P. O'Rourke, Rajeeb Hazra | 2003-02-25 |
| 6389174 | Video transcoding with interim encoding format | Christina Kaing Liu, Yung D. Nguyen | 2002-05-14 |
| 6330372 | Compression edge adaptive video and image sharpening and scaling | Thomas P. O'Rourke, Rajeeb Hazra | 2001-12-11 |
| 6295379 | DPCM image compression with plural quantization table levels | Lawrence K. Freytag, Michael Keith | 2001-09-25 |
| 6285796 | Pseudo-fixed length image compression scheme | Tinku Acharya, Michael Keith, Po Yuan | 2001-09-04 |
| 5854892 | Video conferencing decoder engine with direct signaling to encoder engine for relaying of decoded data | Christina Kaing Liu, Yung D. Nguyen | 1998-12-29 |
| 5560034 | Shared command list | — | 1996-09-24 |
| 5548324 | Process, apparatus and system for displaying multiple video streams using linked control blocks | Terry Downs | 1996-08-20 |
| 5481307 | Method and apparatus for compressing and decompressing a sequence of digital video images using sync frames | Michael Keith | 1996-01-02 |
| 5450544 | Method and apparatus for data buffering and queue management of digital motion video signals | Doug Dixon, Michael Keith | 1995-09-12 |
| 5187793 | Processor with hierarchal memory and using meta-instructions for software control of loading, unloading and execution of machine instructions stored in the cache | John M. Keith, Allen H. Simon, David L. Sprague, Douglas F. Dixon | 1993-02-16 |
| D260233 | Electric switch plate | Mark K. Goldstein | 1981-08-18 |