Issued Patents All Time
Showing 276–294 of 294 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116644 | Data sharing and linkage for IP telephony set-top boxes | Mark Eyer, Matthew Chang, Aditya Krishnan, Andrew Proehl, David Yang +4 more | 2006-10-03 |
| 7117534 | Interfacing a conditional access circuit to a digital device using input and output stream switching | — | 2006-10-03 |
| 7039614 | Method for simulcrypting scrambled data to a plurality of conditional access devices | — | 2006-05-02 |
| 7039938 | Selective encryption for video on demand | — | 2006-05-02 |
| 7010685 | Method and apparatus for storing scrambled digital programs by filtering product identifier | — | 2006-03-07 |
| 6996238 | Method for generating and looking-up transaction keys in communication networks | — | 2006-02-07 |
| 6975725 | Method for standardizing the use of ISO 7816 smart cards in conditional access systems | William Tseng | 2005-12-13 |
| 6912513 | Copy-protecting management using a user scrambling key | — | 2005-06-28 |
| 6789106 | Selective capture and storage of A/V objects in an interactive multimedia system | Mark Eyer, Aditya Krishnan, Fred Zustak, Matthew Chang, Andrew Proehl +4 more | 2004-09-07 |
| 6697489 | Method and apparatus for securing control words | — | 2004-02-24 |
| 6694396 | Interfacing an NRSS-A smart card within an NRSS-B PCMCIA | David Desch | 2004-02-17 |
| 6363149 | Method and apparatus for accessing stored digital programs | — | 2002-03-26 |
| 6298400 | Enhancing interface device to transport stream of parallel signals to serial signals with separate clock rate using a pin reassignment | — | 2001-10-02 |
| 6109530 | Integrated circuit carrier package with battery coin cell | Erik Neil Larson | 2000-08-29 |
| 6061449 | Secure processor with external memory using block chaining and block re-ordering | Eric J. Sprunk | 2000-05-09 |
| 6057872 | Digital coupons for pay televisions | — | 2000-05-02 |
| 5880523 | Anti-tamper integrated circuit | — | 1999-03-09 |
| 5861662 | Anti-tamper bond wire shield for an integrated circuit | — | 1999-01-19 |
| 5754659 | Generation of cryptographic signatures using hash keys | Eric J. Sprunk, Paul Moroney | 1998-05-19 |