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| Number | Title | Issue Date |
| 7504829 | Methods and apparatus for subsurface geophysical exploration using joint inversion of steady-state and transient data Methods and apparatus are provided for controlled source electromagnetic surveying. In particular, a time-varying electromagnetic signal is transmitted at a first location, and an electromagnetic signal responsive to the transmitted signal is received at a second lo... | 03/17/2009 |
| 7426033 | Methods and apparatus for colorimetrically characterizing color deviation in color imaging devices Methods and apparatus are provided that print a set of similar color patches using a color output device, determine colorimetric values for each color patch, calculate a standard deviation value for each of the colorimetric values, and calculate a numerical value th... | 09/16/2008 |
| 7397961 | Apparatus and methods for digital image compression Methods and systems for compression of digital images (still or motion sequences) are provided wherein predetermined criteria may be used to identify a plurality of areas of interest in the image, and each area of interest is encoded with a corresponding quality lev... | 07/08/2008 |
| 7397583 | Method and device for proofing raster print data while maintaining the raster information The screened printing data are subjected to a filtering method, the raster information being maintained. Intermediate tonal values are produced by the filtering method, using the binary tonal values, the intermediate tonal values being configured in such a way that,... | 07/08/2008 |
| 7396119 | Apparatus and methods for water-based ink printing A printer that includes at least one printhead mounted to a carriage of a printing system, and a secondary ink container mounted to the carriage and which holds an ink and is in fluid communication with the at least one printhead. A pressure source in fluid communic... | 07/08/2008 |
| 7389452 | Methods and apparatus for monitoring internal signals in an integrated circuit 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... | 06/17/2008 |
| 7367559 | Simple and inexpensive high-capacity output catch tray for document production machines The invention is relates to a simple, inexpensive high capacity output catch tray for copiers and other document production machines. The output tray automatically increases in capacity as the stack of copies in it accumulates, without external power source or contr... | 05/06/2008 |
| 7365105 | Radiation curable ink compositions and applications thereof Radiation curable ink compositions that include a curable component having a functionality that is greater than two, is present in the ink composition in an amount greater than 30 percent by weight, and has a molecular weight in the range of about 400 g/mole to abou... | 04/29/2008 |
| 7349124 | Methods and apparatus for real time calibration of a marking engine in a print system Methods and apparatus are disclosed for modifying the rendered output of a marking engine for a print job in progress. A marking engine commences printing print data for a print job. A parameter of a printed page of the print job is measured while the marking engine... | 03/25/2008 |
| 7342686 | Method and apparatus for providing a color-balanced multiple print engine 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 mult... | 03/11/2008 |
| 7343438 | Methods and apparatus for requesting and receiving a print job via a polling device associated with a printer The present invention relates to methods and apparatus for requesting and receiving print jobs over a communications network. In particular, the present invention enables a user to obtain print jobs at a location which may be unspecified, and which may be remote fro... | 03/11/2008 |
| 7307761 | Methods and apparatus for watermarking digitally printed documents A form of stochastic random distribution is used to print an invisible watermark using a typical, e.g. 600 dpi, printer. The watermark contains such information as “Do Not Copy,” or other such information. While the watermark is not visible on a first generation... | 12/11/2007 |
| 7304753 | Systems for print job monitoring A client print server link is provided, which uses two-way communication between a client computer and a printing system typically having networked output devices and print servers. The client print server link provides detailed information regarding each print serv... | 12/04/2007 |
| 7302103 | Apparatus and methods for digital image compression Methods and systems for compression of digital images (still or motion sequences) are provided wherein predetermined criteria may be used to identify a plurality of areas of interest in the image, and each area of interest is encoded with a corresponding quality lev... | 11/27/2007 |
| 7302095 | Method and apparatus for automated image correction for digital image acquisition Methods and apparatus are provided for automatically correcting colors of a digital image. The methods and apparatus create a first digital image of a target test sheet under a predetermined lighting condition, the target test sheet including a plurality of regions,... | 11/27/2007 |
| 7301671 | Method for calibrating a color marking engine for halftone operation Methods are described for calibrating a virtual printer including a plurality of color marking engines. The methods include printing a test pattern on one of the marking engines, the test pattern including a plurality of test patches, each test patch including corre... | 11/27/2007 |
| 7301667 | Image tiling in ink jet printing systems A system or method of removing whitespace between tiled or repeated patterns generated during a printing operation. The system takes an initial image and determines if there exist extraneous bits of whitespace around the edge of actual image. Once this information i... | 11/27/2007 |
| 7301665 | Method and apparatus for determining toner level in electrophotographic print engines The toner in the toner cartridge is determined by taking each of the rasterized images output by the RIP and evaluating the pixel levels over the surface thereof. The average value is determined as a percentage of the maximum toner that can be applied to the page. T... | 11/27/2007 |
| 7296157 | Methods and apparatus for secure document printing Methods and apparatus are provided for securely printing a print job on a networked printer. An application program running on a networked computer instructs the printer to generate and exchange cryptographic keys. The application program then encrypts the print job... | 11/13/2007 |
| 7280090 | Methods and apparatus for repairing inoperative pixels in a display Methods and apparatus for repairing inoperative pixels in a display are provided. In particular, the present invention provides methods and apparatus for improving the effective yield rates of displays, such as liquid crystal micro-displays, by disconnecting inopera... | 10/09/2007 |
| 7259893 | Methods and apparatus for gray component replacement blending 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 o... | 08/21/2007 |
| 7259768 | Methods and apparatus for converting color values 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... | 08/21/2007 |
| 7248752 | Methods and apparatus for converting the resolution of binary image data Methods and apparatus are provided for converting binary image data at a first resolution to binary image data at a second resolution, the methods including detecting the edges of the binary image data, sampling a corresponding point on or substantially near each of... | 07/24/2007 |
| 7245400 | Method and device for proofing raster print data while maintaining the raster information The screened printing data are subjected to a filtering method, the raster information being maintained. Intermediate tonal values are produced by the filtering method, using the binary tonal values, the intermediate tonal values being configured in such a way that,... | 07/17/2007 |
| 7239403 | Methods and apparatus for colorant reduction Methods and apparatus for performing colorant limitation are provided that receive input data, desired output response data and measured (or specified) output response data for a print output device, and determine converted input data that accounts for differences b... | 07/03/2007 |
| 7236023 | Apparatus and methods for adaptive trip point detection Apparatus and methods are described for providing an adaptive trip point detector circuit that receives an input signal at an input signal node and generates an output signal at an output signal node, the output signal changing from a first value to a second value w... | 06/26/2007 |
| 7233409 | Apparatus and methods for distributing print jobs Apparatus and methods for distributing print jobs. A print job is generated at an application node of a network, and has associated therewith print parameters. The print job is routed to a distribution node on the network. The parameters are then parsed from the gen... | 06/19/2007 |
| 7233397 | Methods and apparatus for colorimetrically characterizing color deviation in color imaging devices Methods and apparatus are provided that print a set of similar color patches using a color output device, determine colorimetric values for each color patch, calculate a standard deviation value for each of the colorimetric values, and calculate a numerical value th... | 06/19/2007 |
| 7212312 | Automatic scanner calibration An automatic scanner calibration method and apparatus is disclosed in which a calibrated target, such as a Kodak® gray strip, is attached to a scanning surface of a scanner. The target is thin and has a width or length of platen of a scanner. During a normal scan, ... | 05/01/2007 |
| 7204484 | Simple and inexpensive high-capacity output catch tray for document production machines The invention is relates to a simple, inexpensive high capacity output catch tray for copiers and other document production machines. The output tray automatically increases in capacity as the stack of copies in it accumulates, without external power source or contr... | 04/17/2007 |
| 7206082 | Method and apparatus for routing pages to printers in a multi-print engine as a function of print job parameters A method and apparatus for routing page data of a print job to the printers in a multi-print engine based on print job parameters associated with the page data of the print job is disclosed. One or more virtual printers are configured, each with a plurality of indiv... | 04/17/2007 |
| 7177472 | Method and apparatus for text detection A text detection technique comprises local ramp detection, identification of intensity troughs (candidate text strokes), determination of stroke width, preliminary detection of text based on contrast and stroke width, and a consistency check. ... | 02/13/2007 |
| 7177049 | Image reconstruction architecture 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 conf... | 02/13/2007 |
| 7177045 | Process and system for mixed page imposition A process for formatting printable information orders selected data objects, document pages or images, to create a new document, where pages may be of uniform dimension and page orientation or varying in one or both of dimension and page orientation. Groups of pages... | 02/13/2007 |
| 7124035 | Methods and apparatus for classifying and selecting wine Apparatus and methods are provided for classifying wine in terms of fruit and non-fruit flavors. A first scale is provided for scoring wine in terms of fruit flavor, and a second scale is provided for scoring wine in terms of non-fruit flavor. The first and second s... | 10/17/2006 |
| 7097369 | Method and apparatus for inserting tabs in a print job Method and apparatus for inserting tabs in a print job. A method for inserting tab sheets in a print job is disclosed. First, a position is selected within a document to insert a tab sheet, which document includes a plurality of sheets each with a document defined i... | 08/29/2006 |
| 7095528 | Apparatus and methods for duplex printing in multiple print engine systems A multiple print engine configuration allows a plurality of workstations to create individual print jobs and then transfer them to a distributing processor. The distributing processor spools the jobs in a print spooler and then performs a software RIP on the print j... | 08/22/2006 |
| 7093046 | Methods and apparatus for securely requesting and receiving a print job via a printer polling device associated with a printer The present invention relates to methods and apparatus for requesting and receiving print jobs over a communications network. In particular, the present invention enables a user to obtain print jobs at a location which may be unspecified, and which may be remote fro... | 08/15/2006 |
| 7090327 | Water-based ink jet printer A printer that includes at least one printhead mounted to a carriage of a printing system, and a secondary ink container mounted to the carriage and which holds an ink and is in fluid communication with the at least one printhead. A pressure source in fluid communic... | 08/15/2006 |
| 7023570 | Methods and apparatus for colorant reduction Methods and apparatus for performing colorant limitation are provided that receive input data and desired and measured or specified output response data for a print output device, and determine converted input data that accounts for differences between the measured ... | 04/04/2006 |
