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Assignee: Quad/Tech, Inc.


Location: Sussex, WI
No. of patents: 68

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NumberTitleIssue Date
8183550Imaging an imprinted substrate on a printing press
A method of imaging an imprinted substrate on a printing press is provided. The method comprises sensing light reflected by the substrate using a contact image sensor to produce data representative of the imprinted substrate. The substrate has been imprinted with di...
05/22/2012
8083455Cover applier system
A system for positioning a cover relative to a book block. The system comprises a drive unit to cause movement of at least one of the book block and the cover and a position sensor operable to detect at least one of a position of the book block and the cover. The po...
12/27/2011
8039826Inspecting an imprinted substrate on a printing press
A method of inspecting an imprinted substrate on a printing press comprises illuminating a portion of the substrate which has been imprinted with different colors at a plurality of printing units of the printing press. The method further comprises sensing light refl...
10/18/2011
7969613Print control system with predictive image
A print control system is provided. The print control system comprises an image capturing device configured to capture an image of at least a portion of a printed image on a printed product of a print device. The print control device further comprises a control syst...
06/28/2011
7860278Measuring color on a moving substrate
An image processing apparatus for use with a printed image on a moving substrate is provided. The image processing apparatus includes a first imaging device configured to process spatial data which indicates a position of color patches printed along an edge portion ...
12/28/2010
7732796Inspection system for inspecting an imprinted substrate on a printing press
An inspection system for inspecting an imprinted substrate on a printing press has a light source, a contact image sensor, and a processor. The light source is configured to illuminate a portion of the substrate which has been imprinted with different colors at a pl...
06/08/2010
7652792Virtual ink desk and method of using same
A printing machine includes a high-speed print device configured to receive a print media and discharge a printed product that includes a printed image. An image capturing device is positioned adjacent the print device and is configured to capture an image of the pr...
01/26/2010
7627141System and method for measuring color on a printing press
An image processing apparatus and method for measuring spatial and spectral information from an image of a printed substrate. The image processing apparatus processes the spatial and spectral information from the same acquired image using first and second processors...
12/01/2009
7423280Web inspection module including contact image sensors
A web inspection module is described for scanning an imprinted web in a printing press. The web inspection module includes a light source for illuminating a portion of the web, a contact image sensor having a plurality of sensing elements, and a processor for receiv...
09/09/2008
7253929Camera assembly for a printing press
A camera assembly for use in scanning a paper substrate of a printing press including a housing, a camera mounted within the housing, a light source, and at least one mirror. ...
08/07/2007
7121201Printing press folder with air knife
The folder of a printing press includes an air knife assembly to reduce damage to signatures as they travel through the folder and to guide signatures through the folder. ...
10/17/2006
7119820Scanning heads
A scanning head for use in a register mark detection apparatus for detecting register marks on a web during relative movement between the web and the scanning head. The scanning head comprises an optical sensor and a first optical mask spaced from the optical sensor...
10/10/2006
7048111Hopper loader apparatus and method
A hopper loader apparatus and method for delivering signatures to a binding line, the hopper loader including a first conveyor having a horizontal entry portion and an arched exit portion. During operation of the hopper, the signatures are loaded onto the horizontal...
05/23/2006
7044902Printing press folder and folder components
A folder operable to cut a printed web received from a printing press. The folder includes a cutting section having cutting cylinders that cut the web into individual printed products, and a cutting motor that is operable to drive the cutting cylinders. A delivery a...
05/16/2006
7032508Printing press
An apparatus and method is described wherein a printing press is profiled during production press runs and wherein ink color is controlled. ...
04/25/2006
7017492Coordinating the functioning of a color control system and a defect detection system for a printing press
A method of coordinating the utilization of a color control system and a defect detection system on a printing press includes acquiring image data and processing the data by a comparison to template image data and the generation of color error data and print defect ...
03/28/2006
7013803Color registration control system for a printing press
A color registration control system for a printing press including an area scanner for acquiring an image of a paper substrate and an image processing system adapted to receive the image and process the image to determine any color register error. ...
03/21/2006
6866135Conveyor waste gate
The invention recites a gate that is selectively operable to pass a stream of printed products to one of a first path and a second path. The waste gate includes a frame and a first roller member supported by the frame for rotation about a first axis. The first axis ...
03/15/2005
6867423Method and apparatus for visually inspecting a substrate on a printing press
The present invention relates generally to the field of printing presses, and specifically to a method and apparatus for visually inspecting a web moving on a printing press using a CMOS based image recording device and preferably a LED light source. ...
03/15/2005
6796240Printing press register control using colorpatch targets
By inclusion of a register target within a colorpatch, a colorbar is used for controlling color register as well as controlling color density on a printing press. ...
09/28/2004
6572097Apparatus for slowing down and guiding a signature and method for doing the same
A signature slow-down section in a folder of a printing press for slowing down signatures is provided. The folder is driven by a folder drive mechanism and the signature slow-down section includes a frame, a slow-down mechanism supported by the frame, and...
06/03/2003
6572098Sheet diverter for collating signatures and a method thereof
Provided is a sheet diverter for directing signatures moving in serial fashion along a diverter path to one of a plurality of collation paths. The sheet diverter includes a pair of diverter rolls for directing a signature to one of the plurality of collat...
06/03/2003
6464218Delivery apparatus for a printing press
An improved delivery section of a folder of a printing press in which the bucket assemblies and side guides are adjustable to accommodate varying widths of signatures....
10/15/2002
6427999Signature hopper loader apparatus and method
A signature hopper loader apparatus and method for delivering signatures in a shingled stream to the hopper....
08/06/2002
6419219Signature delivery apparatus including two rotating buckets
A delivery apparatus for sorting a single stream of signatures into two or more streams, the apparatus includes two counter-rotating bucket assemblies. Each bucket assembly includes a plurality of buckets spaced from one another along a common axis. The r...
07/16/2002
6394445Apparatus for slowing down and guiding a signature and method for doing the same
An apparatus for decelerating signatures moving in tandem fashion through sheet processing equipment is provided. A pair of counter-rotating cams lying in general face-to-face relation along a travel path of the signatures reach into the travel path of th...
05/28/2002
6377247Touch screen system for simulating web-up of a press line
A method for simulating one of a plurality of web-up configurations for a press line in order to provide web length information associated with the selected web-up configuration (32) to a product tracking system (16). The method includes providing a drawi...
04/23/2002
6354591Printed product slow down apparatus and method
A printed product slow down apparatus and method for slowing down printed products, the apparatus and method utilizing a slow down member to absorb the kinetic energy of the printed product thus slowing down the printed product....
03/12/2002
6318260Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation
A method is disclosed for determining ink key control settings for a plurality of ink keys in a printing press. Each of the ink keys controls the amount of ink supplied to a roller and then to a respective ink key zone on a substrate to print an image. A ...
11/20/2001
6302392Sheet diverter for collating signatures and a method thereof
Provided is a sheet diverter for directing signatures moving in serial fashion along a diverter path to one of a plurality of collation paths. The sheet diverter includes a pair of diverter rolls for directing a signature to one of the plurality of collat...
10/16/2001
6254093Sheet diverter wedge including air discharge ports
A diverter wedge for a pinless folder is adapted for cooperative association with a diverter guide mechanism operating to direct the lateral disposition of the leading edge of a signature relative to the wedge to one of a plurality of collation paths. The...
07/03/2001
6247692Signature delivery apparatus including two rotating buckets
A delivery apparatus for sorting a single stream of signatures into two or more streams, the apparatus includes two counter-rotating bucket assemblies. Each bucket assembly includes a plurality of buckets spaced from one another along a common axis. The r...
06/19/2001
6244593Sheet diverter with non-uniform drive for signature collation and method thereof
Provided is a sheet diverter for directing signatures moving in serial fashion along a path to one of a plurality of collation paths. The sheet diverter includes a non-uniform angular velocity drive mechanism, the function of which is to improve the colla...
06/12/2001
6231044Delivery apparatus for a printing press
An improved delivery section of a folder of a printing press in which the bucket assemblies and side guides are adjustable to accommodate varying widths of signatures....
05/15/2001
6199860Motor driven delivery buckets
A folder of a printing press wherein the bucket assemblies are mounted on shafts cantilevered from the folder frame, and wherein each shaft is rotatably driven and positionally controlled by a motor that is mechanically independent of the folder drive mec...
03/13/2001
6142078Adaptive color control system and method for regulating ink utilizing a gain parameter and sensitivity adapter
An adaptive control system is intended for use in conjunction with a printing press to control the setting of an ink control device that regulates the amount of ink applied to a substrate. The control system includes a controller for calculating a new set...
11/07/2000
6131903Signature stripping mechanism
An adjustable signature stripping mechanism for stripping signatures from a rotating bucket assembly in a folder of a printing press. The mechanism includes a stripper shaft having a mounting portion and a pivot axis and a plurality of strippers mounted o...
10/17/2000
6129015Method and apparatus for registering color in a printing press
A method and apparatus for determining color registration in a multi-color printing press having a plurality of printing stations. A process black registration mark is formed in an identified area by positioning a plurality of color registration marks on ...
10/10/2000
6044620Drive-through strapping machine and method for securing a load
A drive-through strapping machine for use in securing materials together on a pallet and for securing stacked pallets together and a method for securing materials together for shipment or storage and for delivering those materials to a location. The drive...
04/04/2000
6019047Gripper conveyor with preliminary ink jet
An apparatus for providing printed products to a gatherer, including a product supplier for feeding printed products, a product separator positioned to receive printed products from the product supplier and to separate the printed products into a separate...
02/01/2000
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