John C. Dalrymple
29Patents
11h-index
22Co-inventors
75Inventor score
Filing activity: Mar 7, 1983 → Nov 11, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5243414A | Color processing system | Electricity | 142 | Expired |
| US5185599A | Local display bus architecture and communications method for Raster display | Physics | 86 | Expired |
| US4586037A | Raster display smooth line generation | Physics | 47 | Expired |
| US4672369A | System and method for smoothing the lines and edges of an image on a raster-scan display | Physics | 27 | Expired |
| US5142617A | Method of shading a graphics image | Physics | 22 | Expired |
| US4601021A | Highlighting and classifying segments on a CRT display | Physics | 19 | Expired |
| US7190487B2 | Color conversion with hue straightening using multiple look-up tables and interpolation | Electricity | 19 | Expired |
| US4951230A | Method and apparatus for tiling an image | Physics | 16 | Expired |
| US5181014A | Method and apparatus for representing three-dimensional color data in a one-dimensional reference system | Physics | 16 | Expired |
| US4862155A | Graphic display system with secondary pixel image storage | Physics | 15 | Expired |
| US6995866B2 | Method and apparatus for background adjustment in color reproduction devices | Electricity | 13 | Expired |
| US8027070B2 | Methods and systems for hue adjustment | Physics | 9 | Active |
| US5084830A | Method and apparatus for hidden surface removal | Physics | 9 | Expired |
| US8531474B2 | Methods, systems and apparatus for jointly calibrating multiple displays in a display ensemble | Physics | 7 | Active |
| US6987880B2 | Efficient document boundary determination | Physics | 6 | Expired |
| US7421118B2 | System and method for attenuating color-cast correction in image highlight areas | Electricity | 6 | Active |
| US7889402B2 | Method for limiting total colorant coverage using multidimensional simplicial subdivision and barycentric interpolation | Electricity | 5 | Active |
| US7545541B2 | Systems and methods for embedding metadata in a color measurement target | Electricity | 3 | Active |
| US7847974B2 | Systems and methods for dynamically limiting total colorant coverage in a color rendering system | Electricity | 3 | Active |
| US7161706B2 | System for improving digital coplers and multifunction peripheral devices | Electricity | 3 | Expired |
| US5867016A | Duty cycle based AC power control with reduced voltage fluctuations | Electricity | 2 | Expired |
| US7995242B2 | Systems and methods for attenuation of near-neutral image colors | Electricity | 1 | Active |
| US7554698B2 | Robust document boundary determination | Electricity | 1 | Expired |
| US7742206B2 | Methods and systems for color gamut adjustment | Electricity | 1 | Active |
| US7149001B1 | System for supporting a multiplicity of copy features | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.