Patents by Inventor Martin Krucinski
Martin Krucinski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20100276872Abstract: A method and system feeds a sheet through a media path in a process direction. When the sheet is within a sheet registration carriage of the media path, the method and system align the sheet to a predetermined lateral position within the media path. The aligning process comprises unevenly activating nips within the sheet registration carriage and moving the sheet registration carriage in a lateral direction perpendicular to the process direction. When the sheet is within the sheet registration carriage, the method and system determine a lateral movement distance the sheet registration carriage will move in the lateral direction during the aligning of the sheet. If the lateral movement distance exceeds a predetermined distance, the method and system move the sheet registration carriage toward the starting position after the nips have released the sheet, but before the sheet has passed by the nips.Type: ApplicationFiled: April 29, 2009Publication date: November 4, 2010Applicant: XEROX CORPORATIONInventors: Martin Krucinski, Saurabh Prabhat, Joannes N.M. deJong, Lloyd A. Williams
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Publication number: 20100272487Abstract: According to aspects described herein, there is disclosed an apparatus and method for dynamically registering an image relative to a target substrate media in a printing system. The apparatus and method including a marking engine, transport, sensing system and a correction module. The marking engine for generating the image for transfer to the target substrate media. The transport for moving the target substrate media along the path in the process direction to receive the image in a transfer area from the marking engine. The sensing system for detecting a characteristic of at least one other substrate media moved previously by the transport. Also, the correction module for altering the image generated by the marking engine based on at least one signal from the sensing system. The characteristic of the at least one other substrate media being detected from at least two portions of the path, the two portions disposed on opposed sides of the transfer area in the process direction.Type: ApplicationFiled: April 27, 2009Publication date: October 28, 2010Applicant: XEROX CORPORATIONInventor: Martin Krucinski
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Publication number: 20100109233Abstract: One disclosed feature of the embodiments is a method of aligning transport modules in a printing system, the method comprising a step (a) including passing at least one substrate media in a process direction through two adjacent belt driven transport modules with at least one module belt steering control disabled. The method also comprising a step (b) including detecting a position of at least one module transport belt in a cross-process direction using an edge sensor. Further, the method comprising a (c) including aligning the two adjacent transport modules based on the detected cross-process position.Type: ApplicationFiled: October 31, 2008Publication date: May 6, 2010Applicant: XEROX CORPORATIONInventor: Martin Krucinski
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Patent number: 7680448Abstract: This disclosure relates to a printing integration system. Specifically, this disclosure provides a means to integrate one or more pairs of substantially vertically aligned marking engines using an intersection transport. The intersection transport includes a media sheet input intersection transport, a single horizontal transport, and a media sheet output intersection transport.Type: GrantFiled: December 10, 2007Date of Patent: March 16, 2010Assignee: Xerox CorporationInventors: Barry Paul Mandel, Steven Robert Moore, Martin Krucinski
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Patent number: 7631867Abstract: A method of registering sheets laterally and in skew enables active sheet deskew without translating the sheet in the cross-process direction. A sensor carriage position is controlled to find the sheet edge after which deskew control can start. The average value of the carriage position can then be fed in a feedforward manner to move the image location to match the average paper position. This achieves good average lateral registration and active skew control at a reduced cost.Type: GrantFiled: August 14, 2008Date of Patent: December 15, 2009Assignee: Xerox CorporationInventors: Joannes N M Dejong, Lloyd A Williams, Barry P Mandel, Martin Krucinski
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Publication number: 20090257808Abstract: A method of controlling sheet flow in digital print engines in which the nip rollers are driven independently by individual variable speed motors and sheet position sensors are disposed at each path gate and bend. The sensors provide sheet position/velocity signals to a controller which varies the speed of the individual nip drive motors according to an algorithm to prevent mis-positioning of the sheets and jamming.Type: ApplicationFiled: April 15, 2008Publication date: October 15, 2009Applicant: Xerox CorporationInventor: Martin Krucinski
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Publication number: 20090194927Abstract: A compiling unit includes a collection tray and a variable-speed compiling system adapted to operate at at least two speeds to thereby receive a sheet of media at a higher speed and register the sheet of media within the collection tray at a lower speed. A control system is adapted to selectively operate the variable-speed compiling system at the at least two speeds. A printing system having a sheet media source, at least one marking engine, such a compiling unit and such a control system is included. A method of compiling sheet media is also included.Type: ApplicationFiled: January 31, 2008Publication date: August 6, 2009Applicant: Xerox CorporationInventors: Barry P. Mandel, Steven R. Moore, Martin Krucinski
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Publication number: 20090146371Abstract: This disclosure relates to a printing integration system. Specifically, this disclosure provides a means to integrate one or more pairs of substantially vertically aligned marking engines using an intersection transport. The intersection transport includes a media sheet input intersection transport, a single horizontal transport, and a media sheet output intersection transport.Type: ApplicationFiled: December 10, 2007Publication date: June 11, 2009Applicant: Xerox CorporationInventors: Barry Paul Mandel, Steven Robert Moore, Martin Krucinski
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Publication number: 20080296835Abstract: A method of registering sheets laterally and in skew enables active sheet deskew without translating the sheet in the cross-process direction. A sensor carriage position is controlled to find the sheet edge after which deskew control can start. The average value of the carriage position can then be fed in a feedforward manner to move the image location to match the average paper position. This achieves good average lateral registration and active skew control at a reduced cost.Type: ApplicationFiled: August 14, 2008Publication date: December 4, 2008Applicant: XEROX CORPORATIONInventors: Joannes N. M. Dejong, Lloyd A. Williams, Barry P. Mandel, Martin Krucinski
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Patent number: 7422211Abstract: A closed loop feedback method that continuously adjusts the lateral and skew position of a sheet includes a first sensor that is used to measure lateral sheet edge position. A second sensor measures the lateral sheet edge position at a certain distance from the first sensor. Sheet skew values can thus be calculated. Lateral and skew controllers provide outputs to lateral and skew actuators, respectively, to adjust the sheet position. A different method of registering sheets laterally and in skew enables active sheet deskew without translating the sheet in the cross-process direction. A sensor carriage position is controlled to find the sheet edge after which deskew control can start. The average value of the carriage position can then be fed in a feedforward manner to move the image location to match the average paper position. This achieves good average lateral registration and active skew control at a reduced cost.Type: GrantFiled: January 21, 2005Date of Patent: September 9, 2008Assignee: Xerox CorporationInventors: Joannes N M Dejong, Lloyd A. Williams, Barry P. Mandel, Martin Krucinski
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Patent number: 7398047Abstract: An image-to-sheet closed loop registration system tracking the image drum position and/or velocity and coordinating movement of the sheet into the transfer nip based on such information.Type: GrantFiled: June 22, 2005Date of Patent: July 8, 2008Assignee: Xerox CorporationInventors: Martin Krucinski, Joannes N. M. DeJong, Lloyd A. Williams
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Patent number: 7236711Abstract: A defect analysis system for a xerographic print engine includes a residual mass sensor that senses the two-dimensional signature structure of residual mass remaining on a photoconductive or other substrate surface after image transfer. Preferably, the sensor is a full width array that spans substantially an entire width of the photoconductive surface. This information is then processed and analyzed to determine a specific type of transfer defect present. This may include the quantified level of defect for each detected type. The defect analysis system may also include a closed-loop control system that can adjust various xerographic process parameters using feedback based on the identification and optionally magnitude of each specific defect type. The identified print quality defect, such as mottle, streaks, point deletions, graininess, etc.Type: GrantFiled: March 31, 2005Date of Patent: June 26, 2007Assignee: Xerox CorporationInventors: Aaron M. Burry, Christopher A. Dirubio, Gerald M. Fletcher, Eric S. Hamby, Martin Krucinski, Robert J. Mead, Bruce J. Parks, Peter Paul, Palghat S. Ramesh, Eliud Robles Flores, Fei Xiao
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Publication number: 20070023994Abstract: Embodiments herein measure current/voltage levels of a drive motor when media is in contact with a drive roller so as to determine the drive force imparted by the drive rollers on the media. Then, embodiments herein can reference the predetermined relationship between roller drive force and media/drive roller velocity ratios to determine a difference between the velocity of the drive roller and the velocity the media based on the drive force. Once this velocity difference is determined, embodiments herein can change the current/voltage levels being applied to the drive motor if the actual velocity of the media is different than the intended velocity of the media so as to correct the velocity of the media. Thus, when referencing the predetermined relationship, embodiments herein produce a velocity ratio correction factor.Type: ApplicationFiled: August 1, 2005Publication date: February 1, 2007Inventors: Barry Mandel, Martin Krucinski, Joannes deJong, Lloyd Williams
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Publication number: 20060291932Abstract: An image-to-sheet closed loop registration system tracking the image drum position and/or velocity and coordinating movement of the sheet into the transfer nip based on such information.Type: ApplicationFiled: June 22, 2005Publication date: December 28, 2006Applicant: XEROX CORPORATIONInventors: Martin Krucinski, Joannes deJong, Lloyd Williams
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Patent number: 7136616Abstract: An integrated printing system is provided and includes at least two generally vertically aligned image marking engines and at least two generally horizontally aligned image marking engines. The printing system further includes at least one generally horizontal interface media transport for transporting media between and to the vertically aligned and the horizontally aligned image marking engines.Type: GrantFiled: August 23, 2004Date of Patent: November 14, 2006Assignee: Xerox CorporationInventors: Barry Paul Mandel, Steven R. Moore, Robert M. Lofthus, Joannes N. M. deJong, Lloyd A. Williams, Martin Krucinski, Lisbeth S. Quesnel
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Publication number: 20060222387Abstract: A defect analysis system for a xerographic print engine includes a residual mass sensor that senses the two-dimensional signature structure of residual mass remaining on a photoconductive or other substrate surface after image transfer. Preferably, the sensor is a full width array that spans substantially an entire width of the photoconductive surface. This information is then processed and analyzed to determine a specific type of transfer defect present. This may include the quantified level of defect for each detected type. The defect analysis system may also include a closed-loop control system that can adjust various xerographic process parameters using feedback based on the identification and optionally magnitude of each specific defect type. The identified print quality defect, such as mottle, streaks, point deletions, graininess, etc.Type: ApplicationFiled: March 31, 2005Publication date: October 5, 2006Applicant: XEROX CORPORATIONInventors: Aaron Burry, Christopher Dirubio, Gerald Fletcher, Eric Hamby, Martin Krucinski, Robert Mead, Bruce Parks, Peter Paul, Palghat Ramesh, Eliud Robles Flores, Fei Xiao
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Publication number: 20060163801Abstract: A closed loop feedback method that continuously adjusts the lateral and skew position of a sheet includes a first sensor that is used to measure lateral sheet edge position. A second sensor measures the lateral sheet edge position at a certain distance from the first sensor. Sheet skew values can thus be calculated. Lateral and skew controllers provide outputs to lateral and skew actuators, respectively, to adjust the sheet position. A different method of registering sheets laterally and in skew enables active sheet deskew without translating the sheet in the cross-process direction. A sensor carriage position is controlled to find the sheet edge after which deskew control can start. The average value of the carriage position can then be fed in a feedforward manner to move the image location to match the average paper position. This achieves good average lateral registration and active skew control at a reduced cost.Type: ApplicationFiled: January 21, 2005Publication date: July 27, 2006Inventors: Joannes Dejong, Lloyd Williams, Barry Mandel, Martin Krucinski
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Publication number: 20060039729Abstract: An integrated printing system is provided and includes at least two generally vertically aligned image marking engines and at least two generally horizontally aligned image marking engines. The printing system further includes at least one generally horizontal interface media transport for transporting media between and to the vertically aligned and the horizontally aligned image marking engines.Type: ApplicationFiled: August 23, 2004Publication date: February 23, 2006Inventors: Barry Mandel, Steven Moore, Robert Lofthus, Joannes deJong, Lloyd Williams, Martin Krucinski, Lisbeth Quesnel
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Patent number: 6973286Abstract: A system for printing media includes a plurality of marking engines for outputting printed media in a stream, a media path system operable to transport the printed media from the marking engines to one or more finishing stations such that the streams are merged and transported one on top of the other and one or more finishing stations capable of compiling media in groups of 2 or more sheets for post processing the printed media into one or more completed jobs.Type: GrantFiled: January 21, 2004Date of Patent: December 6, 2005Assignee: Xerox CorporationInventors: Barry P. Mandel, Robert M. Lofthus, Steven R. Moore, Martin Krucinski, Lisbeth S. Quesnel
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Patent number: 6959165Abstract: A system for printing media includes a plurality of marking engines for outputting printed media in a stream, a media path system operable to transport the printed media from the marking engines to one or more finishing stations such that the streams are merged and transported one on top of the other and one or more finishing stations capable of compiling media in groups of 2 or more sheets for post-processing the printed media into one or more completed jobs.Type: GrantFiled: December 2, 2004Date of Patent: October 25, 2005Assignee: Xerox CorporationInventors: Barry P. Mandel, Robert M. Loftlus, Steven R. Moore, Martin Krucinski, Lisbeth S. Quesnel