Issued Patents All Time
Showing 26–50 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061066 | Method and apparatus for creating perspective correct graphical images | — | 2000-05-09 |
| 6023738 | Method and apparatus for accelerating the transfer of graphical images | David S. H. Rosenthal, Rick M. Iwamoto | 2000-02-08 |
| 5968148 | High quality audio generation by storing wave tables in system memory and having a DMA controller on the sound board for transferring the wave tables | — | 1999-10-19 |
| 5924126 | Method and apparatus for providing address translations for input/output operations in a computer system | David S. H. Rosenthal | 1999-07-13 |
| 5918050 | Apparatus accessed at a physical I/O address for address and data translation and for context switching of I/O devices in response to commands from application programs | David S. H. Rosenthal | 1999-06-29 |
| 5909595 | Method of controlling I/O routing by setting connecting context for utilizing I/O processing elements within a computer system to produce multimedia effects | David S. H. Rosenthal | 1999-06-01 |
| 5887190 | System for determining from a command storing in a storage circuit an application program which has initiated the command to determine an input/output device address | David S. H. Rosenthal | 1999-03-23 |
| 5805930 | System for FIFO informing the availability of stages to store commands which include data and virtual address sent directly from application programs | David S. H. Rosenthal | 1998-09-08 |
| 5805133 | Method and apparatus for increasing the rate of scrolling in a frame buffer system designed for windowing operations | Chris Malachowsky, Rick Silverman, Shuen-Chin Chang | 1998-09-08 |
| 5805175 | Method and apparatus for providing a plurality of color formats from a single frame buffer | — | 1998-09-08 |
| 5768628 | Method for providing high quality audio by storing wave tables in system memory and having a DMA controller on the sound card for transferring the wave tables | — | 1998-06-16 |
| 5764861 | Apparatus and method for controlling context of input/output devices in a computer system | David S. H. Rosenthal | 1998-06-09 |
| 5758182 | DMA controller translates virtual I/O device address received directly from application program command to physical i/o device address of I/O device on device bus | David S. H. Rosenthal | 1998-05-26 |
| 5754866 | Delayed interrupts with a FIFO in an improved input/output architecture | — | 1998-05-19 |
| 5742788 | Method and apparatus for providing a configurable display memory for single buffered and double buffered application programs to be run singly or simultaneously | Chris Malachowsky, Bruce McIntyre, Guy Moffat | 1998-04-21 |
| 5740464 | Architecture for providing input/output operations in a computer system | David S. H. Rosenthal | 1998-04-14 |
| 5740406 | Method and apparatus for providing fifo buffer input to an input/output device used in a computer system | David S. H. Rosenthal | 1998-04-14 |
| 5733194 | Apparatus for providing improved game port operation in a computer | — | 1998-03-31 |
| 5734369 | Method and apparatus for dithering images in a digital display system | Eugene Lapidous | 1998-03-31 |
| 5721947 | Apparatus adapted to be joined between the system I/O bus and I/O devices which translates addresses furnished directly by an application program | David S. H. Rosenthal | 1998-02-24 |
| 5696990 | Method and apparatus for providing improved flow control for input/output operations in a computer system having a FIFO circuit and an overflow storage area | David S. H. Rosenthal | 1997-12-09 |
| 5687357 | Register array for utilizing burst mode transfer on local bus | — | 1997-11-11 |
| 5685011 | Apparatus for handling failures to provide a safe address translation in an improved input/output architecture for a computer system | David S. H. Rosenthal | 1997-11-04 |
| 5680592 | System using a plurality of state machines for translating commands intended for legacy bus devices to commands for local bus devices | — | 1997-10-21 |
| 5659750 | Apparatus for context switching of input/output devices in responses to commands from unprivileged application programs | David S. H. Rosenthal | 1997-08-19 |