Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9199170 | Pass-structured game platform | David Baszucki | 2015-12-01 |
| 6546113 | Method and apparatus for video watermarking | William van Rassel | 2003-04-08 |
| 5553141 | Encryption and decryption (scrambling and unscrambling) of video signals | John D. Lowry | 1996-09-03 |
| 5400401 | System and method for transmitting a plurality of digital services | Anthony J. Wasilewski | 1995-03-21 |
| 5361098 | Methods and apparatus for generating a picture-in-picture digital television frame by inserting a mean-only frame into a full-size frame | — | 1994-11-01 |
| 5247348 | Method for selecting reproduction quality of transmitted vector quantized data | Paul D. Israelsen | 1993-09-21 |
| 5237413 | Motion filter for digital television system | Paul D. Israelsen | 1993-08-17 |
| 5235418 | Method and apparatus for low frequency removal in vector quantization | — | 1993-08-10 |
| 5231485 | Method and apparatus for transforming between fixed-rate vector quantized data and variable rate vector quantized data | Paul D. Israelsen | 1993-07-27 |
| 5204899 | Vector quantization method employing mirrored input vectors to search codebook | Paul D. Israelsen | 1993-04-20 |
| 5053859 | High definition B-MAC television signal transmission system | — | 1991-10-01 |
| 4989091 | Scan converter for a high definition television system | — | 1991-01-29 |
| 4965661 | Method and apparatus for increasing the definiton of an NTSC video signal using an augmentation channel | — | 1990-10-23 |
| 4890321 | Communications format for a subscription television system permitting transmission of individual text messages to subscribers | Nigel Seth-Smith, Cameron Bates, Samson Lim, William van Rassel, Robert Yoneda | 1989-12-26 |
| 4890319 | Method for controlling copying of protected information transmitted over a communications link | Nigel Seth-Smith, Cameron Bates, Samson Lim, William van Rassel, Robert Yoneda | 1989-12-26 |
| 4885775 | Information display scheme for subscribers of a subscription television system | — | 1989-12-05 |
| 4866770 | Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system | Nigel Seth-Smith, Cameron Bates, Samson Lim, William van Rassel, Robert Yoneda | 1989-09-12 |
| 4866519 | Method and apparatus for increasing the vertical definition of a transmitted television signal | William van Rassel | 1989-09-12 |
| 4829569 | Communication of individual messages to subscribers in a subscription television system | Nigel Seth-Smith, Cameron Bates, Samson Lim, William van Rassel, Robert Yoneda | 1989-05-09 |
| 4719642 | Error detection and concealment using predicted signal values | — | 1988-01-12 |
| 4652903 | Frequency generation for multiplexed analog component color television encoding and decoding | — | 1987-03-24 |
| 4642688 | Method and apparatus for creating encrypted and decrypted television signals | John D. Lowry | 1987-02-10 |