Inventor
DALRYMPLE JOHN C
US20 patents
⚠️ This page may combine multiple inventors who share the name “DALRYMPLE JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEKTRONIX INC
12 patentsUS5185599AFeb 9, 1993
Local display bus architecture and communications method for Raster display
TEKTRONIX INC118 citations97
US5243414ASep 7, 1993
Color processing system
TEKTRONIX INC200 citations95
US4586037AApr 29, 1986
Raster display smooth line generation
TEKTRONIX INC56 citations91
US5142617AAug 25, 1992
Method of shading a graphics image
TEKTRONIX INC31 citations86
US4672369AJun 9, 1987
System and method for smoothing the lines and edges of an image on a raster-scan display
TEKTRONIX INC38 citations86
US4601021AJul 15, 1986
Highlighting and classifying segments on a CRT display
TEKTRONIX INC25 citations77
US5181014AJan 19, 1993
Method and apparatus for representing three-dimensional color data in a one-dimensional reference system
TEKTRONIX INC20 citations75
US5084830AJan 28, 1992
Method and apparatus for hidden surface removal
TEKTRONIX INC10 citations72
US4862155AAug 29, 1989
Graphic display system with secondary pixel image storage
TEKTRONIX INC20 citations70
US4951230AAug 21, 1990
Method and apparatus for tiling an image
TEKTRONIX INC19 citations67
US5867016AFeb 2, 1999
Duty cycle based AC power control with reduced voltage fluctuations
TEKTRONIX INC4 citations56
US4791595ADec 13, 1988
Digital vector generation with velocity correction by tabulation of counter control signals
TEKTRONIX INC0 citations52
SHARP LAB OF AMERICA INC
7 patentsUS8027070B2Sep 27, 2011
Methods and systems for hue adjustment
SHARP LAB OF AMERICA INC13 citations84
US6987880B2Jan 17, 2006
Efficient document boundary determination
SHARP LAB OF AMERICA INC11 citations84
US7554698B2Jun 30, 2009
Robust document boundary determination
SHARP LAB OF AMERICA INC2 citations63
US7889402B2Feb 15, 2011
Method for limiting total colorant coverage using multidimensional simplicial subdivision and barycentric interpolation
SHARP LAB OF AMERICA INC5 citations62
US7742206B2Jun 22, 2010
Methods and systems for color gamut adjustment
SHARP LAB OF AMERICA INC2 citations60
US7995242B2Aug 9, 2011
Systems and methods for attenuation of near-neutral image colors
SHARP LAB OF AMERICA INC1 citations51
US7149001B1Dec 12, 2006
System for supporting a multiplicity of copy features
SHARP LAB OF AMERICA INC0 citations42