Joseph P Taillie

US Patent:

6486459, Nov 26, 2002

Filed:

Aug 30, 1999

Appl. No.:

09/385263

Inventors:

Joseph P. Taillie - Pittsford NY

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H01L 2700

US Classification:

2502081, 250216, 250234

Abstract:

Color scanners that separate multi-wavelength light into color components having substantially equal optical path lengths. An colorscanner includes a first prism that receives multi-wavelength light, internally reflects a first component and passes second and third components into a first gap. A first reflector reflects the second and third components back into the first prism. The component parts then pass into a second prism that internally reflects the first and second component parts but passes the third component into a second gap. A second reflector reflects the third component part back into the second prism. A third prism then receives the color components, internally reflects the third component part, and passes the first and second component parts into a third gap. A third reflector reflects the first and second component parts back into the third prism. A fourth prism then receives the color components, internally reflects the second and third components, and passes the first component into a fourth gap.

US Patent:

6519361, Feb 11, 2003

Filed:

Nov 19, 1999

Appl. No.:

09/443297

Inventors:

Joseph Paul Taillie - Pittsford NY
David Jon Metcalfe - Marion NY

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G06K 900

US Classification:

382162, 382167, 382165, 382170, 382274, 382276, 358515, 358516, 358518

Abstract:

A color transformation matrix K transforms device dependent color imaging signals RGB into device independent color imaging signals XYZ. The transformation matrix K includes a set of coefficients k. An optimization value is calculated for the transformation matrix as a function of the coefficients within the transformation matrix having a value less than zero. The values of the coefficients within the transformation matrix are then adjusted; and a minimal optimization value is determined for the transformation matrix, which preferably has coefficients with values that are greater than zero. The optimization procedure seeks to minimize the optimization value by adjusting the values of the coefficients within the transformation matrix, such that the coefficients within the matrix are all positive values. This added constraint on the transformation matrix in the minimization technique will lead to larger residual color errors. However, in some cases, solutions may be found that minimize the errors without significantly affecting the XYZ values.

US Patent:

6603580, Aug 5, 2003

Filed:

Dec 10, 1999

Appl. No.:

09/459309

Inventors:

Joseph P. Taillie - Pittsford NY

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H04N 104

US Classification:

358474, 358497, 399362, 399379, 399380, 399211, 355 25, 355223

Abstract:

An input scanner for scanning three-dimensional objects, such as books, on a platen. The input scanner includes a light source for illuminating a three-dimensional object, an elongated sensor array for producing a digital representation of the image on the three-dimensional object, a lens array, a moving mirror, and a mirror positioning system, which beneficially includes a mirror motor. The mirror positioning system positions the mirror such that the input scanners object plane tracks the contour of the three-dimensional object on the platen. Object plane adjustments are performed in response to contour information from a mechanical track guide, from a profile memory, or from a height sensor. Additionally, the input scanner might use a movable lens array, which is beneficially a gradient-index lens array.

US Patent:

7042600, May 9, 2006

Filed:

Jan 7, 2002

Appl. No.:

10/040718

Inventors:

Robert P. Herloski - Webster NY, US
Joseph P. Taillie - Pittsford NY, US

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H04N 1/04

US Classification:

358482, 358474, 358471, 250234, 250216

Abstract:

A method of eliminating strobing in successive scan lines of an image includes determining a nominal scan line time and an associated scan line integration time for the image sensor. A nominal illumination light source output period is determined for the illumination source. In order to ensure that the scan line integration time is equivalent to an integer number of illumination source light output periods, at least one of the nominal scan line integration time and the nominal illumination source light output period is adjusted. A clock signal, derived from the pixel clock, drives both the frequency circuitry of the lamp drive circuit and the integration time of the image sensor. The present method provides a reliable means for eliminating lamp strobing independent of the relative phasing of the lamp oscillation phase with respect to the start of each scan line integration.

US Patent:

7295341, Nov 13, 2007

Filed:

Dec 9, 2002

Appl. No.:

10/315267

Inventors:

Ramesh Nagarajan - Pittsford NY, US
Francis K. Tse - Rochester NY, US
Clara Cuciurean-Zapan - Fairport NY, US
David C. Allard - Rochester NY, US
Joseph P. Taillie - Pittsford NY, US

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G06F 15/00
G03F 3/08

US Classification:

358 19, 358529, 358523

Abstract:

In a system for processing full-color image data, such as within a digital color printer or copier, a four-channel architecture is used. Three of the channels handle image data relating to primary color planes, such as CMY. In the other channel, values relating to the K value which goes with the CMY values for each pixel alternate with a B value, suitable for pure monochrome rendering of the pixel in the image. When it is desired to print or display the image in monochrome, the B values are isolated from the K values.

US Patent:

7605958, Oct 20, 2009

Filed:

Jun 2, 2004

Appl. No.:

10/858697

Inventors:

Joseph P. Taillie - Pittsford NY, US

Assignee:

Xerox Corporation - Norwalk CT

International Classification:

H04N 1/46
H04N 1/04

US Classification:

358514, 358513, 358482, 358483

Abstract:

In an imaging apparatus, such as used for recording full-color images from a moving sheet, different rows of photosensors are each filtered to record one primary color. Certain specific spacings of adjacent rows of photosensors are particularly useful in operating the apparatus at different commonly-used output speeds.

US Patent:

20050174617, Aug 11, 2005

Filed:

Feb 6, 2004

Appl. No.:

10/773512

Inventors:

Paul Hosier - Rochester NY, US
Scott TeWinkle - Ontario NY, US
Joseph Taillie - Pittsford NY, US

International Classification:

H04N001/48

US Classification:

358514000, 358505000

Abstract:

An imaging apparatus, such as would be used in a digital copier, includes at least one linear array of photosensors. Along a direction of the array, the photosensors are filtered to different primary colors, such as RGB, according to a repeating pattern. The repeating pattern includes at least one substantially clear photosensor, or a photosensor sensitive to a non-primary color (K). Some possible repeating patterns thus include RGBK, RKB, BKRK, and RGBGKG.

US Patent:

62715356, Aug 7, 2001

Filed:

Aug 27, 1998

Appl. No.:

9/141456

Inventors:

Ned J. Seachman - Penfield NY
Joseph P. Taillie - Pittsford NY
Kevin M. Carolan - Webster NY
Leroy A. Baldwin - Rochester NY
Robert Brutovski - Penfield NY
Alain E. Perregaux - Rochester NY
John D. Hower - Fairport NY

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G01R 2302

US Classification:

250548

Abstract:

A system and method electronically determines an edge of a copy substrate to be printed on. A copy substrate is inserted between a linear light source array and a linear sensor array and a light segment of the linear light source array is illuminated. An edge location of a shadow created by the copy substrate intersecting a light path between the illuminated light segment and the linear sensor array is measured, and a location of the edge of the copy substrate is calculated based on the measured shadow location. A second light segment of the linear light source on an opposite side of an expected copy substrate edge position of the light segment can also be illuminated, and a second edge location of a shadow created by the copy substrate intersecting a light path between the illuminated second light segment and the linear sensor array can be measured wherein this second measurement can be used with the first to calculate a location of the edge of the copy substrate. Alternatively, the calculated location can be used to determine a light segment of the linear light source which corresponds to the calculated location. This determined light source is illuminated and the shadow measured.