Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754433 | Image data recording and transmission | Jonathan James Stone | 2004-06-22 |
| 5684896 | Data compression | Jonathan James Stone, Rajan Bhandari, Michael John Ludgate | 1997-11-04 |
| 5613091 | Data compression | Jonathan James Stone | 1997-03-18 |
| 5610775 | Recording medium for storing and an apparatus and method for recording a frequency separated video signal | James H. Wilkinson | 1997-03-11 |
| 5539475 | Method of and apparatus for deriving a key signal from a digital video signal | Ahmad Sadjadian | 1996-07-23 |
| 5506687 | Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks | Clive Henry Gillard, James H. Wilkinson, Michael John Ludgate, Jonathan M. Soloff, Rajan Bhandari | 1996-04-09 |
| 5450506 | Image data processing apparatus and method | Clive Henry Gillard, Yoshihiro Murakami, Mamoru Ueda | 1995-09-12 |
| 5432511 | Sampling frequency conversion using interrupt control | Ahmed Sadjadian, Simon Matthew Manze | 1995-07-11 |
| 5337194 | Method apparatus and method for reproducing a frequency separated video signal stored on a recording medium | James H. Wilkinson | 1994-08-09 |
| 5268905 | Sub band filters | Jonathan M. Soloff, Jonathan James Stone, James H. Wilkinson | 1993-12-07 |
| 5260781 | Data compression apparatus and method | Jonathan M. Soloff, Jonathan James Stone | 1993-11-09 |
| 5231487 | Storage of video signals | Jonathan James Stone, James H. Wilkinson | 1993-07-27 |
| 5223926 | Compression of video signals | Jonathan James Stone | 1993-06-29 |
| 5214502 | Compression of video signals | Jonathan James Stone, James H. Wilkinson | 1993-05-25 |
| 4700345 | Downsampling and prefilter implementation in television systems | Richard Morcom | 1987-10-13 |