Christopher C Spencer

US Patent:

6839155, Jan 4, 2005

Filed:

Jan 16, 2001

Appl. No.:

09/761492

Inventors:

Christopher J. Spencer - Shortsville NY, US

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H04N 104

US Classification:

358488, 358496, 358449, 358464, 358486

Abstract:

A structure and method for improved detection of the edges of a document in a scanner provides for positioning a width detection backer so that it is simultaneously in the field of view of the optical element of the scanner and out of the focal plane of the optical element. A portion of a document is positioned in the optical path between the optical element and the width detection backer and scanned with the optical element. Information from the scanning step is analyzed to identify data indicative of an edge of the document. The out of focus width detection backer, which remains stationary while scanning the document portion presents very little variation in intensity and other data, heightening the contrast between the document and the width detection backer, and reducing the likelihood of erroneously identifying elements of the width detection backer as document edge features.

US Patent:

6894813, May 17, 2005

Filed:

Jan 16, 2001

Appl. No.:

09/761493

Inventors:

Christopher J. Spencer - Shortsville NY, US
Daniel P. White - Honeoye Falls NY, US
David A. Bartman - Webster NY, US

Assignee:

Xerox Corporation - Stamford CT

International Classification:

H04N001/40
H04N001/04

US Classification:

358483, 471474, 471496

Abstract:

An integrated image module for a document scanner includes a one piece die cast housing having a datum element and a support element. An imaging sensor array is enclosed in the housing. An array bias element urges the imaging sensor array against the datum element to provide accurate placement of the sensor array relative to the housing. A transport mechanism is attached to the housing so that the position of the transport mechanism accurately corresponds to the position of the imaging sensor array. The lens and the lamp for illumination are also attached to the housing so that the primary components of the imaging portion of the scanner are contained in a single module.

US Patent:

20020075528, Jun 20, 2002

Filed:

Dec 20, 2000

Appl. No.:

09/745139

Inventors:

Daniel Morris - Webster NY, US
Christopher Spencer - Shortsville NY, US
Michael Poirier - Rochester NY, US
Timothy Shelhart - West Henrietta NY, US

Assignee:

Xerox Corporation

International Classification:

H04N001/00
H04N001/46

US Classification:

358/504000, 358/505000

Abstract:

A compact structure and rapid method for calibrating a document scanner provides for a substantially cylindrical calibration casing having a central axis and an outer surface, with a brightness calibration section of the outer surface encompassing a portion of the circumference of the outer surface, a document width detection segment encompassing a second portion of the circumference of the outer surface, and a document backer element encompassing a third segment of the circumference of the outer surface of the casing. A driver selectively positions the casing in different rotational positions in which the different segments of the outer surface of the cylinder face the optical element of the scanner.

US Patent:

52518892, Oct 12, 1993

Filed:

Aug 24, 1992

Appl. No.:

7/933624

Inventors:

Christopher C. Spencer - Rochester NY
Raymond M. Quackenbush - Hilton NY
Michael J. Wendell - Webster NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

B65H 100

US Classification:

271171

Abstract:

A reproduction apparatus including a logic and control unit, and a sheet storage tray having selectable sheet alignment positions and a movable sheet edge guide for positioning at a selected sheet alignment position. A mechanism for automatically positioning the sheet edge guide includes magnetizable reed switches, a magnetic member attached to the sheet edge guide and controls for counting and moving the magnetic member relative to a selected magnetizable reed switch through a first motion in a first direction for a first total number of counts, and through a second motion in a second and opposite direction for a second total number of counts equal to one-half the first total number of counts.

US Patent:

20170171515, Jun 15, 2017

Filed:

Dec 14, 2015

Appl. No.:

14/885982

Inventors:

Toni Yvette Pender - Alpharetta GA, US
Christopher Anthony Spencer - Kennesaw GA, US

International Classification:

H04N 7/18
H04N 5/225
A42B 1/22
H04N 5/232
A42B 1/24

Abstract:

See What's Behind You is a security technology device that gives people the ability to see and monitor what's coming behind them at a 180 degree rear view angle whether it's human or animal while facing forward. A battery operated camera system is connected by video cable to a screen and memory card that captures recorded activities in real time video.The technology is incorporated in any head gear such as caps, helmets and eyewear including sun visors.It's used during personal outdoor activities that bring concern and it's used in professional industries such as branches of Homeland Security to enhance safety with rear vision. It exposes elements of surprise attacks giving people the advantage to conspicuously judge the situation, respond to it quickly and appropriately while lessening their chance of becoming a victim, the real time video images can be used to file a police report.