Douglas Lincoln Vizard from 120 Lane 10, Fiskdale, MA 01566, age 79

Us Patents

Electronic Imaging System For Autoradiography
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US Patent:

6346707, Feb 12, 2002
Filed:

Jul 28, 1998
Appl. No.:

09/123283
Inventors:

Douglas L. Vizard - Durham CT
Joel N. Helfer - Chesire CT
William E. McLaughlin - East Haven CT
David J. Steklenski - Rochester NY
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

G01T 120
US Classification:

250368, 25037011
Abstract:

An imaging system with an imaging assemblage including a prompt phosphor layer for converting an ionizing radiation image into a light image, and a transparent layer supporting the phosphor layer; wherein the light image is transmitted through the transparent layer; an electronic camera for converting the light image into an electronic image; and a light image transmission system between the imaging assemblage and the electronic camera for transmitting the light image to the electronic camera.

Electronic Imaging Screen With Optical Interference Coating
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US Patent:

6444988, Sep 3, 2002
Filed:

Dec 20, 1999
Appl. No.:

09/467409
Inventors:

Douglas L. Vizard - Durham CT
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

G01T 1164
US Classification:

250367
Abstract:

An electronic imaging system including; a transparent support having first and second sides; an optical interference coating on the first side of the transparent support; and a first prompt phosphor layer overlaying the interference coating for use in high resolution ionizing radiation imaging application or in low energy ionizing radiation imaging applications. The system also includes a second prompt phosphor layer which is removably overlaid on the first prompt phosphor layer for use in high energy ionizing radiation applications; and an electronic camera for converting the light image produced by the first and the second prompt phosphor layers when exposed to an ionizing radiation image, into an electronic image; wherein the phosphor of the first and second prompt phosphor layers emits radiation at wavelengths which are passed by the optical interference coating.

Random Array Of Micro-Spheres For The Analysis Of Nucleic Acid Using Enzyme Digestion
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US Patent:

6916620, Jul 12, 2005
Filed:

Mar 15, 2002
Appl. No.:

10/098642
Inventors:

Tiecheng A. Qiao - Webster NY, US
Krishnan Chari - Fairport NY, US
Douglas L. Vizard - Durham CT, US
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

C12Q001/68
C12M001/36
C12N011/16
G01N015/06
C07H021/04
US Classification:

435 6, 435 71, 435174, 4352831, 4352872, 43528799, 4352887, 422 681, 422 8205, 436 231, 436 243
Abstract:

A method of identifying nucleic acid samples comprising: providing a mircoarray including a substrate coated with a composition including a population of nucleic acid probe modified micro-spheres immobilized in a coating containing a gelling agent or a precursor to a gelling agent, wherein a first portion of the micro-spheres is submerged in the gelatin coating and a second portion is exposed above the gelatin coating and is substantially free of gelatin, at least one sub-population of the population micro-spheres containing an optical barcode generated from at least one colorant associated with the micro-spheres and including a nucleic acid probe sequence; contacting the array with a target nucleic acid sequence; and detecting the color barcode of the sub-population of micro-spheres due to the interaction of the probe nucleic acid sequence and the fluorescently/chemiluminescently labeled nucleic acid sample target nucleic acid sequence.

Color Detection In Random Array Of Microspheres
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US Patent:

6947142, Sep 20, 2005
Filed:

Jun 26, 2003
Appl. No.:

10/606621
Inventors:

Samuel Chen - Penfield NY, US
Krishnan Chari - Fairport NY, US
Martin C. Kaplan - Rochester NY, US
Douglas L. Vizard - Durham CT, US
Joaquin Calcines - West Henrietta NY, US
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

G01J003/46
US Classification:

356402, 205226, 435 6
Abstract:

A method of determining one or more color characteristics of a colored microsphere comprising: providing a microarray of microspheres, at least one of which has a color characteristic; capturing the microarray with an electronic color image sensor assembly having a matrix of pixels to produce an electronic microarray image; detecting the location of a microsphere within the captured microarray image; and identifying a color characteristic of the detected microsphere.

Random Array Of Micro-Spheres For The Analysis Of Nucleic Acids
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US Patent:

7011945, Mar 14, 2006
Filed:

Dec 21, 2001
Appl. No.:

10/036828
Inventors:

Tiecheng A. Qiao - Webster NY, US
Krishnan Chari - Fairport NY, US
Douglas L. Vizard - Durham CT, US
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

C12Q 1/68
C12M 1/36
C07H 21/04
US Classification:

435 6, 435 71, 435174, 4352831, 4352872, 4352887, 536 231, 536 243, 536 266
Abstract:

A method of identifying nucleic acid samples comprising: providing a mircoarray including a substrate coated with a composition including a population of micro-spheres dispersed in a fluid containing a gelling agent or a precursor to a gelling agent and immobilized at random positions on the substrate, at least one sub-population of said population micro-spheres containing an optical barcode generated from at least one colorant associated with the micro-spheres and including a nucleic acid probe sequence; contacting said array with a target nucleic acid sequence; and detecting the color barcode of said sub-population of micro-spheres due to the interaction of said probe nucleic acid sequence and said target nucleic acid sequence.

Imaging System Using Combined Dichroic/High-Pass Filters
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US Patent:

7031084, Apr 18, 2006
Filed:

Jul 23, 2003
Appl. No.:

10/625376
Inventors:

Douglas L. Vizard - Durham CT, US
William E. Mclaughlin - Guilford CT, US
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

G02B 5/22
US Classification:

359885, 359723, 356417
Abstract:

An imaging system including: a lens; a dichroic filter positioned in front of the lens; and a high pass filter positioned between the lens and the dichroic filter. An appropriate design coordinating the components of such an imaging system diminishes imaging artifacts related to wide-angle imaging of fluorescent objects.

Color Detection Using Spectroscopic Imaging And Processing In Random Array Of Microspheres
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US Patent:

7034941, Apr 25, 2006
Filed:

Jun 26, 2003
Appl. No.:

10/607146
Inventors:

Samuel Chen - Penfield NY, US
Anthony E. Taddei - Hilton NY, US
Joaquin Calcines - West Henrietta NY, US
Krishnan Chari - Fairport NY, US
Martin C. Kaplan - Rochester NY, US
Douglas L. Vizard - Durham CT, US
Assignee:

Eastman Kodak Company - Rochester NY
International Classification:

G01J 3/46
US Classification:

356402
Abstract:

A method of determining one or more color characteristics of a colored microsphere comprising: providing a microarray of microspheres, including at least one colored microsphere which has a color characteristic; producing a magnified optical image of individual microspheres of the microarray; locating a microsphere in the aperture of a spectrometer to confine the color region of interest of the located microsphere in order to determine one or more color characteristics thereof; and determining one or more color characteristics of the located microsphere by means of the spectrometer.

Fluorescence Calibrator For Multiple Band Flat Field Correction
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US Patent:

7630072, Dec 8, 2009
Filed:

Jun 20, 2007
Appl. No.:

11/765618
Inventors:

Gilbert Feke - Glastonbury CT, US
Douglas L. Vizard - Durham CT, US
Assignee:

Carestream Health, Inc. - Rochester NY
International Classification:

G01J 1/10
US Classification:

3562431
Abstract:

A fluorescence reference plate for a fluorescence spectroscopic instrument is arranged with fluorescent layers having different excitation and emission characteristics. The fluorescent layers are ordered in the form of a stack for providing a flat-field calibration standard over multiple bands of wavelengths.