Methods and apparatus for mixed page imposition
Granted: September 21, 2010
Patent Number:
7800776
Methods and apparatus are provided for imposing multiple pages on a printable sheet, in which the multiple pages include pages of varying size. The printable sheet is divided into a plurality of slots, and each of the pages is assigned to a corresponding slot. User-specified settings are received for page alignment, offset and scaling for each of the slots, and the page alignment, offset and scaling of each of the pages are individually adjusted based on the user specifications.
Method and apparatus for providing a color-balanced multiple print engine
Granted: September 7, 2010
Patent Number:
7791777
A method and apparatus is disclosed for color balancing page data, from a variety of input sources having non-consistent device color profiles, among a plurality of individually accessible print engines arranged in a system for color printing multiple copies of multiple page documents. Input page data is converted to a common color space, rasterized and routed to a selected print engine. Page data routed to each marking engine is color balanced to the selected marking engine where at…
Sonic leak testing on ink delivery systems and ink jet heads
Granted: August 10, 2010
Patent Number:
7770999
A method of detecting a leak in an ink delivery system comprises providing an ink delivery system having a plurality of pipes, wherein the ink delivery system could potentially have an ink leak producing an audible signal. The method further comprises providing an ultrasonic detector operable to detect the audible signal and actuating the ultrasonic detector to detect when the ink leak is present by detecting the presence of the audible signal. Finally, the method comprises outputting a…
Methods and apparatus for converting color values
Granted: July 13, 2010
Patent Number:
7756346
Color conversion apparatus and methods are provided for converting a first color value, such as an RGB, L*a*b* or XYZ color value, to a second color value, such as an RGB, CMY, CMKY, L*a*b*, L,C1C2, or XYZ color value, without saturation error.
Methods and apparatus for determining a total colorant limit for digital imaging devices
Granted: June 22, 2010
Patent Number:
7742204
Methods and apparatus are provided for calibrating a digital color imaging device to a printing press by determining a total colorant limit, per-channel colorant limits, and channel linearization tables using colorimetric and/or spectrophotometric techniques. In addition, for digital color imaging devices that use multi-hue colorants, methods and apparatus are provided for determining distribution functions for the multi-hue colorants as a function of input values.
Method of monitoring at least one printing parameter of printer, method of determining and sending at least one printing parameter of a printer, printing system and printer
Granted: June 15, 2010
Patent Number:
7738147
A printing system having a control arrangement and at least one printer, which are connected to each other via a communications network, in which the printer comprises the following components: a sensor arrangement with at least one sensor for registering at least one printing parameter, an encoding unit coupled to the sensor arrangement for encoding a printing parameter message belonging to a printing parameter determined by the sensor arrangement, a data transmitting unit, which is…
Methods and apparatus for communicating and displaying compressed image data
Granted: June 15, 2010
Patent Number:
7738710
Methods and apparatus are provided for creating one or more compressed image tiles based on a compressed file that describes a digital image. In particular, the compressed image tiles are created without fully decompressing the compressed file. Each compressed image tile includes data corresponding to a portion of the digital image, and is independent of other compressed image tiles (i.e., may be decompressed without decompressing any other tile). In response to requests to display a…
Systems for gray component replacement blending
Granted: June 1, 2010
Patent Number:
7729014
Color processing methods and apparatus are provided that blend the gray component replacement (“GCR”) level of arbitrarily-specified input color data with an estimate of the GCR level of an output profile, and then converts processed device-independent data to output CMYK data that has a GCR level that substantially matches the GCR level of the input CMYK data. Methods and apparatus in accordance with this invention may be used to receive CMYK data that approximates a spot color, and…
Methods and apparatus for calibrating digital imaging devices
Granted: May 25, 2010
Patent Number:
7724392
Methods and apparatus are provided for calibrating a digital color imaging device to a printing press by determining a total colorant limit, per-channel colorant limits, and channel linearization tables using calorimetric and/or spectrophotometric techniques. In addition, for digital color imaging devices that use multi-hue colorants, methods and apparatus are provided for determining distribution functions for the multi-hue colorants as a function of input values.
Methods and apparatus for inserting tabs in a print job
Granted: April 27, 2010
Patent Number:
7706015
Methods and apparatus are provided for processing a print job including a plurality of raster image processed pages. A tab page is created that includes a tab image located at a predetermined position in the tab page, the predetermined position associated with a tab position on tab stock. The tab page is raster image processed, and the rasterized tab page is inserted at a selected position in the print job. The tab image is detected on the rasterized tab page at the predetermined…
Methods and apparatus for print workflow processing
Granted: March 30, 2010
Patent Number:
7688458
Methods and apparatus are provided for processing a print job through a copy of a workflow, modifying the copied workflow and reprocessing the print job only through the modified portion of the copied workflow. In addition, methods and apparatus in accordance with this invention are provided for modifying or inserting additional print files into a print job that has already been processed through a workflow, and processing only the modified or inserted print files through the workflow.
Methods and apparatus for profiling color output devices
Granted: March 30, 2010
Patent Number:
7688486
Methods and apparatus are provided for generating a color profile for a color output device including a plurality of colorants, the methods and apparatus printing a plurality of color patches on an output medium, measuring a spectral or colorimetric response for each of the printed patches and for the output medium, calculating spectral or colorimetric responses for overprint combinations of the colorants based on the measured spectral or colorimetric responses, calculating colorimetric…
Methods and apparatus for reconstructing digitized images
Granted: March 23, 2010
Patent Number:
7684085
Methods and apparatus for reconstructing digitized images are provided that include an image reconstruction path that receives a digitized image and provides a processed RGB or CMYK image that may be printed or stored in memory. The image reconstruction path is configured to operate in either a multiple scan or single scan environment if the source of the digitized image is a scanner. A plurality of optional functional units in the reconstruction path can be controlled by user or…
Apparatus and methods for full-width wide format inkjet printing
Granted: March 9, 2010
Patent Number:
7673965
Apparatus and methods are provided for wide format inkjet printing using conventional piezoelectric inkjet print heads that each print at a native resolution. A plurality of inkjet print heads are disposed in a print head array to print an image on the substrate at the native resolution across an entire width of the substrate without scanning across the width of the substrate. The print head array may be shifted in a direction parallel to the width of the substrate, and the print head…
Methods and apparatus for monitoring internal signals in an integrated circuit
Granted: February 23, 2010
Patent Number:
7669096
Apparatus and methods are provided for debugging an integrated circuit. Local multiplexer circuits are provided near first and second circuit blocks in the integrated circuit. Each multiplexer circuit includes input nodes, a control node, and an output node. A first input node of the first multiplexer circuit is coupled to an internal node of the first circuit block, a first input node of the second multiplexer circuit is coupled to an internal node of the second circuit block, second…
Systems for providing information access to network devices
Granted: January 26, 2010
Patent Number:
7653683
Systems, apparatus and methods are described for providing information access to network devices. A directory server registers identification information about a first network device coupled to a first network. The first network and the directory server may be coupled to a second network, which may include a wide area network, public network, or the Internet. The identification information may include a network address of the first network device on the first network, or a network…
Methods and apparatus for media selection in cluster printing systems
Granted: January 19, 2010
Patent Number:
7648293
Methods and apparatus are provided for specifying media in cluster printing systems that include printers that use device-specific media selection techniques, such as paper catalogs, media tray pulldown menus and media attribute pulldown menus.
Methods and apparatus for smoothing text outlines
Granted: December 22, 2009
Patent Number:
7636180
Methods and apparatus are provided to smooth a jagged outline of a reconstructed text generated through any of a variety of systems, such as, for example, an image scanner. Given the reconstructed text with a jagged outline, the methods smooth the outline of the text first through location of horizontal and vertical edges, and subsequent gray scale reconstruction of the edge ink level from a one-bit or a low number of bits edge pattern. The methods then provide identification of the…
Methods and apparatus for determining colorant limits for calibrating digital imaging devices
Granted: December 8, 2009
Patent Number:
7630106
Methods and apparatus are provided for calibrating a digital color imaging device to a printing press by determining a total colorant limit, per-channel colorant limits, and channel linearization tables using colorimetric and/or spectrophotometric techniques. In addition, for digital color imaging devices that use multi-hue colorants, methods and apparatus are provided for determining distribution functions for the multi-hue colorants as a function of input values.
Radiation treatment for ink jet fluids
Granted: October 13, 2009
Patent Number:
7600867
A printing system that includes a source which emits UV radiation to polymerize a fluid that is deposited onto a substrate by one or more print heads. The source emits low energy UV radiation sufficient to set the fluid to a quasi-fluid, non-hardened state.
