Issued Patents All Time
Showing 251–275 of 294 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7366302 | Apparatus and method for an iterative cryptographic block | — | 2008-04-29 |
| 7350082 | Upgrading of encryption | Henry Derovanessian | 2008-03-25 |
| 7336787 | Critical packet partial encryption | Robert Allan Unger | 2008-02-26 |
| 7319753 | Partial encryption and PID mapping | Robert Allan Unger, Leo Pedlow | 2008-01-15 |
| 7310422 | Partial encryption and PID mapping | Robert Allan Unger, Leo Pedlow | 2007-12-18 |
| 7302059 | Star pattern partial encryption | Henry Derovanessian, Leo Pedlow | 2007-11-27 |
| 7302058 | Method and apparatus for securing control words | — | 2007-11-27 |
| 7292691 | Progressive video refresh slice detection | Henry Derovanessian, Leo Pedlow | 2007-11-06 |
| 7292692 | Content scrambling with minimal impact on legacy devices | James Bonan, Mark Eyer | 2007-11-06 |
| 7292690 | Video scene change detection | Henry Derovanessian, Leo Pedlow | 2007-11-06 |
| 7287168 | Partial encryption and PID mapping | Robert Allan Unger, Leo Pedlow | 2007-10-23 |
| 7284256 | Method and system to maintain relative statistics for creating automatically a list of favorites | Zicheng Guo | 2007-10-16 |
| 7242773 | Multiple partial encryption using retuning | — | 2007-07-10 |
| 7233669 | Selective encryption to enable multiple decryption keys | — | 2007-06-19 |
| 7225164 | Method and apparatus for implementing revocation in broadcast networks | Mark Eyer | 2007-05-29 |
| 7218738 | Encryption and content control in a digital broadcast system | Leo Pedlow, Henry Derovanessian | 2007-05-15 |
| 7215770 | System and method for partially encrypted multimedia stream | Leo Pedlow, Henry Derovanessian | 2007-05-08 |
| 7188110 | Secure and convenient method and apparatus for storing and transmitting telephony-based data | Harold Aaron Ludtke | 2007-03-06 |
| 7155012 | Slice mask and moat pattern partial encryption | Henry Derovanessian, Leo Pedlow | 2006-12-26 |
| 7151831 | Partial encryption and PID mapping | Robert Allan Unger, Leo Pedlow | 2006-12-19 |
| 7151833 | Selective encryption to enable trick play | Tom Poslinski | 2006-12-19 |
| 7139398 | Time division partial encryption | Robert Allan Unger, Henry Derovanessian | 2006-11-21 |
| 7127619 | Decoding and decryption of partially encrypted information | Robert Allan Unger, Leo Pedlow | 2006-10-24 |
| 7124303 | Elementary stream partial encryption | Robert Allan Unger, Leo Pedlow, Gregory Mirsky, Mark Eyer | 2006-10-17 |
| 7120250 | Content distribution for multiple digital rights management | — | 2006-10-10 |