Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598415 | Transmission of high rate isochronous data in MPEG-2 data streams | Ray Nuber | 1997-01-28 |
| 5594794 | Method and apparatus for free previews of communication network services | Mark Eyer, Allen Shumate | 1997-01-14 |
| 5579348 | Method and apparatus for improving the apparent accuracy of a data receiver clock circuit | G. Kent Walker | 1996-11-26 |
| 5517250 | Acquisition of desired data from a packetized data stream and synchronization thereto | Chris Hoogenboom | 1996-05-14 |
| 5497404 | Transmission error recovery for digital communication systems using variable length data packets where data is stored in header locations of memory | Glen A. Grover | 1996-03-05 |
| 5485577 | Method and apparatus for incremental delivery of access rights | Mark Eyer | 1996-01-16 |
| 5463403 | Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement | Gordon Kent Walker | 1995-10-31 |
| 5398237 | Acquisition and tracking of independent quadrature modulated bitstreams | Mark Eyer, Kent Walker, Harris Simon, Stephen How | 1995-03-14 |
| 5287115 | Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement | Gordon Kent Walker | 1994-02-15 |
| 5233348 | Variable length code word decoder for use in digital communication systems | Stephen C. Pollmann, Edward A. Krause, Paul Shen, Woo Hyun Paik | 1993-08-03 |
| 5134700 | Microcomputer with internal ram security during external program mode | Mark Eyer | 1992-07-28 |
| 5111504 | Information processing apparatus with replaceable security element | James Esserman | 1992-05-05 |
| 5091936 | System for communicating television signals or a plurality of digital audio signals in a standard television line allocation | Ron D. Katznelson, W. Allen Shumate | 1992-02-25 |
| 5083293 | Prevention of alteration of data stored in secure integrated circuit chip memory | Robert C. Gilberg, William A. Shumate | 1992-01-21 |
| 5054067 | Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator | Christopher J. Bennett | 1991-10-01 |
| 4933898 | Secure integrated circuit chip with conductive shield | Robert C. Gilberg, Richard M. Knowles, William A. Shumate | 1990-06-12 |
| 4864615 | Reproduction of secure keys by using distributed key generation data | Christopher J. Bennett, Michael V. Harding | 1989-09-05 |
| 4809274 | Digital audio companding and error conditioning | Gordon Kent Walker, Ron D. Katznelson, Karl E. Moerder | 1989-02-28 |
| 4736420 | Video scrambling by segmenting video information lines | Ron D. Katznelson, Gordon Kent Walker | 1988-04-05 |
| 4261132 | Rodent bait protection box | Robert E. Carothers | 1981-04-14 |