Inventor

ALCORN BYRON A

US80 patents

⚠️ This page may combine multiple inventors who share the name “ALCORN BYRON A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALCORN BYRON A

HEWLETT PACKARD CO

Multiple graphics pipeline integration with a windowing system through the use of a high speed interconnect to the frame buffer

Method for retrieving compressed texture data from a memory system

SDRAM data allocation system and method utilizing dual bank storage and retrieval

Gradient calculation system and method

Method and apparatus for graphics pipeline context switching in a multi-tasking windows system

Arithmetic and logic processing unit for computer graphics system

Synchronization of left/right channel display and vertical refresh in multi-display stereoscopic computer graphics systems

Data structure for efficient retrieval of compressed texture data from a memory system

Synchronization of frame buffer swapping in multi-pipeline computer graphics display systems

System for managing texture mapping data in a computer graphics system

MIP map texture storage by dividing and allocating among multiple blocks

Updating texture mapping hardware local memory based on pixel information provided by a host computer

Updating a local memory based on information provided by a host computer

Methods and apparatus for graphics pipeline relative addressing in a multi-tasking windows system

Window-relative dither circuit

Methods and apparatus for generating arbitrarily addressed, arbitrarily shaped tiles in computer graphics systems

Method and apparatus for gamma correcting pixel value data in a computer graphics system

3D bypass for download of textures

Methods and apparatus for graphics block movement in a multi-tasking windows system

Methods and apparatus for burst data block movement in a multi-tasking windows system

Method and apparatus for pixel clipping source and destination windows in a graphics system

Texture coordinate alignment system and method

Method and apparatus for pixel clipping source and destination windows in a graphics system

Data rotator for rotating pixel data in three dimensions

Dual pipelined interconnect

HEWLETT PACKARD DEVELOPMENT CO

Compositing separately-generated three-dimensional images

Graphical display system and method

Graphics data storage in a linearly allocated multi-banked memory

Anti-aliasing in a computer graphics system using a texture mapping subsystem to down-sample super-sampled images

Unified memory distributed across multiple nodes in a computer graphics system

System and method for efficiently rendering graphical data

Systems and methods for rendering graphical data

Z test and conditional merger of colliding pixels during batch building

Pseudo-linear frame buffer mapping system and method

Distributed resource architecture and system

Centralized scalable resource architecture and system

Efficient rasterization of specular lighting in a computer graphics system

Memory card expansion

Adapter for transmitting signals

Systems and methods for rendering active stereo graphical data as passive stereo

Unified memory distributed across multiple nodes in a computer graphics system

System and method for passing messages among processing nodes in a distributed system

Z test and conditional merger of colliding pixels during batch building

Managing texture mapping data in a computer graphics system

System and method for efficiently rendering a jitter enhanced graphical image

Redirection of lane resources

Selectively switching client device remote control of host device between hardware- and software-based remote control modes

Systems for compositing graphical data

ALCORN BYRON A

Hierarchical policy management

Acoustic echo cancellation (AEC) with conferencing environment templates (CETs)