Brian C. Barnes
39Patents
20h-index
26Co-inventors
81Inventor score
Filing activity: Apr 7, 1989 → May 31, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5944816A | Microprocessor configured to execute multiple threads including interrupt service routines | Physics | 89 | Expired |
| US5280621A | Personal computer having dedicated processors for peripheral devices interconnected to the CPU by way of a system control processor | Physics | 83 | Expired |
| US5692211A | Computer system and method having a dedicated multimedia engine and including separate command and data paths | Physics | 68 | Expired |
| US6854039B1 | Memory management system and method providing increased memory access security | Physics | 62 | Expired |
| US6823433B1 | Memory management system and method for providing physical address based memory access security | Physics | 57 | Expired |
| US5870622A | Computer system and method for transferring commands and data to a dedicated multimedia engine | Physics | 56 | Expired |
| US5797028A | Computer system having an improved digital and analog configuration | Physics | 47 | Expired |
| US5748983A | Computer system having a dedicated multimedia engine and multimedia memory having arbitration logic which grants main memory access to either the CPU or multimedia engine | Physics | 40 | Expired |
| US5732224A | Computer system having a dedicated multimedia engine including multimedia memory | Physics | 38 | Expired |
| US7383432B1 | Software modem with hidden authentication commands | Electricity | 37 | Expired |
| US5136694A | Method and apparatus facilitating communication between two keyboards and a single processor | Physics | 33 | Expired |
| US8135962B2 | System and method providing region-granular, hardware-controlled memory encryption | Physics | 33 | Active |
| US7493498B1 | Input/output permission bitmaps for compartmentalized security | Physics | 28 | Expired |
| US7752095B1 | Electronic bill presentment and payment | Physics | 27 | Active |
| US5898892A | Computer system with a data cache for providing real-time multimedia data to a multimedia engine | Physics | 25 | Expired |
| US6378023B1 | Interrupt descriptor cache for a microprocessor | Physics | 25 | Expired |
| US6205467A | Microprocessor having a context save unit for saving context independent from interrupt requests | Physics | 23 | Expired |
| US6842803B2 | Computer system with privileged-mode modem driver | Physics | 22 | Expired |
| US5727227A | Interrupt coprocessor configured to process interrupts in a computer system | Physics | 21 | Expired |
| US5812800A | Computer system which includes a local expansion bus and a dedicated real-time bus and including a multimedia memory for increased multi-media performance | Physics | 20 | Expired |
| US7426644B1 | System and method for handling device accesses to a memory providing increased memory access security | Physics | 17 | Expired |
| US6611912B1 | Method and apparatus having a system BIOS write configuration data of a riser card to a controller configuration space when connecting the riser card to a motherboard | Physics | 17 | Expired |
| US7325250B1 | Method and apparatus for preventing radio communication system access by an unauthorized modem | Electricity | 13 | Expired |
| US5784592A | Computer system which includes a local expansion bus and a dedicated real-time bus for increased multimedia performance | Physics | 8 | Expired |
| US7865948B1 | Method and apparatus for restricted execution of security sensitive instructions | Physics | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.