Inventor

MANTELL DAVID A

US156 patents

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

MANTELL DAVID A

XEROX CORP

Ink jet printer having multiple level grayscale printing

Printer having print output linked to scanner input for automated image quality adjustment

Nozzle plates for ink jet cartridges

System and method for analysis of low-contrast ink test patterns in inkjet printers

System and method for compensating for weak, intermittent, or missing inkjets in a printhead assembly

Ink jet printer having print head with partial nozzle redundancy

Intercolor bleed reduction in liquid ink printers

Method and apparatus for controlling consumable use in an image-rendering device

Head signature correction in a high resolution printer

Removal of error diffusion artifacts with alternating distribution weights

Method of printing including stitching and interpolating

Systems and methods for generating high addressability images

Halftoning for hi-fi color inks

High frequency shingled multiple drop per pixel ink overprinting method

Method for diffusing errors according to spot size in a printed liquid ink image

Phantom level edge enhanced error diffusion

Error sum method and apparatus for intercolor separation control in a printing system

Inter-separation color image processing using error diffusion

Method and system of printing a scratch-off document

Method and apparatus for stitching print swaths in an image-rendering device

Liquid ink printer having apparent 1XN addressability

Ejector activation scheduling system for an ink-jet printhead

System and method for operation of multi-nozzle extrusion printheads in three-dimensional object printers

Method and system for producing three-dimensional build objects

Print head jet maintenance

System and method for applying electromagnetic ink to a non-electromagnetic ink image

System and method for missing ejector correction for half-toned images in three-dimensional object printing by adding drops in other layers

System and method for generation of test patterns for measurement of printhead to substrate separation in a printer

System and method for compensating for malfunctioning ejectors operated with reference to multi-level tone image data by adding drops in adjacent locations

System and method for spatial dependent correction for images printed with multiple drop parameters

Method and system of in-document detection of weak or missing inkjets in an inkjet printer

Color vector halftoning using a successive filling with improved color registration latitude

Object oriented images forming

Method and apparatus for expanded color space in acoustic ink printing

Method and apparatus for treating recording media to enhance print quality in an ink jet printer

Edge enhanced error diffusion with artifact correction in areas of highlights and shadows

System for using optical sensor focus to identify feature heights on objects being produced in a three-dimensional object printer

Systems and methods for detecting print head defects in printing clear ink

Skewed substrate pixel array printing machine

Ink-jet printer using phase-change ink printing on a continuous web

Error diffusion for digital printing

Compensation for malfunctioning jets

Method for processing color image data employing a stamp field

MIZES HOWARD A

Method and system for aligning printheads that eject clear ink in an inkjet printer

Method and system for printhead alignment to compensate for dimensional changes in a media web in an inkjet printer

SHIN HELEN HAEKYUNG

Ink drop position correction in the process direction based on ink drop position history

System and method for sub-pixel ink drop adjustment for process direction registration

FOLKINS JEFFREY J

System and method for compensating for small ink drop size in an indirect printing system

(unassigned)

Method and apparatus for multiple drop error diffusion in a liquid ink printer

MANTELL DAVID A

Staggered head stitch shifts in a continuous feed direct marking printer