Inventor
ROYLANCE EUGENE A
US15 patents
⚠️ This page may combine multiple inventors who share the name “ROYLANCE EUGENE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
8 patentsUS6941011B2Sep 6, 2005
Method and system for image processing including mixed resolution, multi-channel color compression, transmission and decompression
HEWLETT PACKARD DEVELOPMENT CO26 citations91
US6678426B1Jan 13, 2004
Programmable mapping of lower resolution digital data to a higher resolution for output on a lower resolution device
HEWLETT PACKARD DEVELOPMENT CO19 citations90
US7443413B2Oct 28, 2008
Laser diode modulator and method of controlling laser diode modulator
HEWLETT PACKARD DEVELOPMENT CO9 citations82
US7251061B2Jul 31, 2007
Resolution enhancement apparatus, systems, and methods
HEWLETT PACKARD DEVELOPMENT CO13 citations80
US7480072B2Jan 20, 2009
Efficient and flexible multi-bit halftoning
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US7422310B2Sep 9, 2008
Methods and apparatus for selecting image enhancement techniques
HEWLETT PACKARD DEVELOPMENT CO1 citations52
US7710443B2May 4, 2010
Providing data
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US7142316B2Nov 28, 2006
Supporting multiple print engine configurations through compatible delay window storage modes
HEWLETT PACKARD DEVELOPMENT CO1 citations43
HEWLETT PACKARD CO
6 patentsUS6439679B1Aug 27, 2002
Pulse with modulation signal generating methods and apparatuses
HEWLETT PACKARD CO31 citations92
US6390579B1May 21, 2002
Pulse width modulator using delay-line technology with automatic calibration of delays to desired operating frequency
HEWLETT PACKARD CO64 citations92
US5987221ANov 16, 1999
Encoded orphan pixels for discriminating halftone data from text and line art data
HEWLETT PACKARD CO48 citations92
US6236427B1May 22, 2001
Edge placement device
HEWLETT PACKARD CO19 citations83
US6340986B1Jan 22, 2002
Method and device for time shifting transitions in an imaging device
HEWLETT PACKARD CO7 citations73
US5517601AMay 14, 1996
High speed apparatus and method for rasterization of font glyphs
HEWLETT PACKARD CO15 citations71