Issued Patents All Time
Showing 26–50 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757973 | Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain | Jonathan James Stone, Michael John Ludgate | 1998-05-26 |
| 5754239 | Motion compensated video processing | — | 1998-05-19 |
| 5745181 | Motion compensated video processing | — | 1998-04-28 |
| 5659365 | Video compression | — | 1997-08-19 |
| 5659363 | Coding and decoding of video signals | — | 1997-08-19 |
| 5610775 | Recording medium for storing and an apparatus and method for recording a frequency separated video signal | Terence R. Hurley | 1997-03-11 |
| 5579181 | Apparatus for processing reproduced data including two multiplexers the first of which is responsive to reproduced field information | — | 1996-11-26 |
| 5537493 | Apparatus for compressing image data employing entropy encoding of data scanned from a plurality of spatial frequency bands | — | 1996-07-16 |
| 5506687 | Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks | Clive Henry Gillard, Michael John Ludgate, Jonathan M. Soloff, Rajan Bhandari, Terence R. Hurley | 1996-04-09 |
| 5502748 | Detection of synchronisation data | — | 1996-03-26 |
| 5491479 | 8B-16B RLL decoder with hamming distance detection | — | 1996-02-13 |
| 5473443 | Video memory | — | 1995-12-05 |
| 5463699 | Data compression | — | 1995-10-31 |
| 5416601 | Controlling video replay stores | — | 1995-05-16 |
| 5384670 | Digital data apparatus for providing spatial multiplexing and demultiplexing of compressed data to be recorded and reproduced | Clive Henry Gillard | 1995-01-24 |
| 5384869 | Image processing apparatus | Michael John Ludgate, Jonathan M. Soloff, Jonathan James Stone | 1995-01-24 |
| 5359464 | Methods of and apparatus for coding television signals having varying frame rates | — | 1994-10-25 |
| 5353059 | Data error concealment | Robert Lawlor | 1994-10-04 |
| 5337194 | Method apparatus and method for reproducing a frequency separated video signal stored on a recording medium | Terence R. Hurley | 1994-08-09 |
| 5329360 | Multiplexing and demultiplexing image data | Clive Henry Gillard | 1994-07-12 |
| 5280351 | Television standards converters for converting an input digital video signal from one television standard to another | — | 1994-01-18 |
| 5268905 | Sub band filters | Jonathan M. Soloff, Jonathan James Stone, Terence R. Hurley | 1993-12-07 |
| 5257102 | Television standards converters using motion vectors corresponding to correlation of horizontal and vertical pixel offsets | — | 1993-10-26 |
| 5231487 | Storage of video signals | Terence R. Hurley, Jonathan James Stone | 1993-07-27 |
| 5214502 | Compression of video signals | Jonathan James Stone, Terence R. Hurley | 1993-05-25 |