Inventor

Gerhard Robert Thompson

Inventor

Wappingers Falls, NY, US

Overview

1978–2010

Patent span

Electricity

Primary field (CPC H)

Patents· 36 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television64%

G06TImage data processing or generation, in general13%

G06FElectric digital data processing6%

G06KGraphical data reading6%

G06VImage or video recognition or understanding6%

B41JTypewriters2%

G09GArrangements or circuits for control of indicating devices using static means to present variable information2%

PatentTitleYear

7,733,533'Generating threshold values in a dither matrix'2010 7,616,347'System and method for multi-bit halftoning'2009 7,599,097'Method and system for designing multilevel halftone screens using spot functions'2009 7,593,600'Black white image scaling for optical character recognition'2009 7,545,537'Bandless halftone design for multiple beam printers employing non-orthogonal halftones'2009 7,489,419'Method and system for specifying halftone spot shapes'2009 7,446,904'Methods and apparatus for generating dither mask through interpolation between preferred patterns'2008 7,400,430'Detecting and compensating for color misregistration produced by a color scanner'2008 7,333,244'Method and system for embedding an image into two other images'2008 7,310,168'Method and apparatus for controlling a spot function for digital halftoning'2007 6,992,789'Method, system, and program for managing a multi-page document'2006 6,956,670'Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)'2005 6,947,178'De-screening halftones using sigma filters'2005 6,922,196'Priority-driven dither'2005 6,870,643'Method and system for error diffusion with a plurality of error measures'2005 6,801,220'Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays'2004 6,782,126'Method for combining feature distance with spatial distance for segmentation'2004 6,738,162'Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color images'2004 6,721,448'Color clustering and segmentation using sigma filtering'2004 6,714,318'Dithering method and apparatus for multitone printers'2004 6,687,023'Data processing system and method for producing shifted-element halftone screens'2004 6,633,411'Method and apparatus for repurposing binary images'2003 6,597,813'Masks with modulated clustering and aperiodicity and rescaling of masks'2003 6,515,770'Dither mask generation with calibration-independent number of threshold levels'2003 6,208,753'Quality of digitized images through post-scanning reregistration of their color planes'2001 6,208,431'Method of eliminating artifacts in display devices'2001 6,172,769'Printer dependent descreening method'2001 6,088,123'Dithering masks with very large periods'2000 6,055,065'Printer independent halftone image rendering'2000 6,025,930'Multicell clustered mask with blue noise adjustments'2000 5,943,477'Microlocal calibration of digital printers'1999 5,917,951'Clustered aperiodic mask'1999 5,053,887'Technique for producing a fine grained dithered halftone image having an increased number of gray levels'1991 4,654,721'System for reproducing multi-level digital images on a bi-level printer of fixed dot size'1987 4,435,782'Data processing system with high density arithmetic and logic unit'1984 4,095,283'First in-first out memory array containing special bits for replacement addressing'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2009Patents assigned to IBM (29)· patent assignee history

1978–2010Based in Wappingers Falls, NY, US· patent location history

2007–2010Patents assigned to INFOPRINT SOLUTIONS CO LLC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	29	1978–2009
INFOPRINT SOLUTIONS CO LLC	7	2007–2010

Locations

Location	Patents	Span
Wappingers Falls, New York, US	36	1978–2010