Inventor
ASHBURN JON L
US15 patents
⚠️ This page may combine multiple inventors who share the name “ASHBURN JON L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
9 patentsUS5862066AJan 19, 1999
Methods and apparatus for fast check of floating point zero or negative zero
HEWLETT PACKARD CO58 citations94
US5651106AJul 22, 1997
Method and apparatus for vertex sorting in a computer graphics system
HEWLETT PACKARD CO21 citations92
US6219071B1Apr 17, 2001
ROM-based control unit in a geometry accelerator for a computer graphics system
HEWLETT PACKARD CO16 citations91
US6337690B1Jan 8, 2002
Technique for reducing the frequency of frame buffer clearing
HEWLETT PACKARD CO12 citations73
US5710879AJan 20, 1998
Method and apparatus for fast quadrilateral generation in a computer graphics system
HEWLETT PACKARD CO10 citations73
US5657436AAug 12, 1997
Preprocessing apparatus and method for line scan conversion in a computer graphics system
HEWLETT PACKARD CO9 citations73
US5956047ASep 21, 1999
ROM-based control units in a geometry accelerator for a computer graphics system
HEWLETT PACKARD CO6 citations72
US5687340ANov 11, 1997
Reduced area floating point processor control logic utilizing a decoder between a control unit and the FPU
HEWLETT PACKARD CO5 citations62
US6184902B1Feb 6, 2001
Centralized branch intelligence system and method for a geometry accelerator
HEWLETT PACKARD CO0 citations40
HEWLETT PACKARD DEVELOPMENT CO
6 patentsUS6891533B1May 10, 2005
Compositing separately-generated three-dimensional images
HEWLETT PACKARD DEVELOPMENT CO86 citations98
US6587112B1Jul 1, 2003
Window copy-swap using multi-buffer hardware support
HEWLETT PACKARD DEVELOPMENT CO104 citations96
US6559852B1May 6, 2003
Z test and conditional merger of colliding pixels during batch building
HEWLETT PACKARD DEVELOPMENT CO19 citations92
US6633298B2Oct 14, 2003
Creating column coherency for burst building in a memory access command stream
HEWLETT PACKARD DEVELOPMENT CO15 citations83
US6628292B1Sep 30, 2003
Creating page coherency and improved bank sequencing in a memory access command stream
HEWLETT PACKARD DEVELOPMENT CO16 citations83
US6680737B2Jan 20, 2004
Z test and conditional merger of colliding pixels during batch building
HEWLETT PACKARD DEVELOPMENT CO12 citations74