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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8035860 | Method for processing FM-AM mixed halftone images on a multi-bit depth imaging apparatus Disclosed is a method for processing FM-AM mixed halftone images on a multi-bit depth imaging apparatus, which relates to a method for producing halftone dots in the field of image hard copying. In the prior art, since it is hard to avoid the impact of the error dif... | 10/11/2011 |
| 7929183 | Image output control system, image processing device, and image processing method In an image output control system of the invention, an image processing device makes image data subjected to a preset series of image processing and supplies processed image data to an image output device to output a resulting processed image. The image processing d... | 04/19/2011 |
| 7394571 | Method for multi-color, clustered, dot-off-dot halftoning A method for forming a multi-color, clustered dot-off-dot halftone screen, includes defining a range of density values for pixels of a first color and assigning those density values to positions along a pixel growth curve; defining a range of density values for pixe... | 07/01/2008 |
| 7369276 | Multi-level halftoning providing improved texture uniformity A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals whose amplitudes are adjusted as a function of the error-diffusion textur... | 05/06/2008 |
| 7369277 | Image processing apparatus, drawing processing method, and computer program A drawing instruction processor refers to a bit map line table that shows whether the bit arrays in the row unit are the same in the order of concentrations. The drawing instruction processor decides whether dither patterns to be used for the adjacent specified draw... | 05/06/2008 |
| 7365871 | Apparatus for capturing, converting and transmitting a visual image signal via a digital transmission system An image capture, conversion, compression, storage and transmission system provides a data signal representing the image in a format and protocol capable of being transmitted over any of a plurality of readily available transmission systems and received by readily a... | 04/29/2008 |
| 7352493 | Enhancement of glossmark images at low and high densities The present invention relates to expanding the range of image densities over which the manipulation of differential gloss as may be inherent in halftoned images may be achieved. By selectively applying halftones with anisotropic structure characteristics which are s... | 04/01/2008 |
| 7330191 | System for secure text display Techniques for securely displaying text on a display panel involve destroying spatial and temporal correlations in an otherwise uniform visual field. The techniques render the displayed text secure with respect to attempts to copy the text using a video capture devi... | 02/12/2008 |
| 7324241 | Variable data differential gloss images The present invention relates to the segmentation of an image into a main area and a image segment for variable data differential gloss image control. A single color is selected. Two or more different color definitions are created by combining the selected single co... | 01/29/2008 |
| 7315402 | Image forming apparatus and method for selecting an optimal image space frequency for an output image An image forming apparatus includes an image forming device configured to form an output image using at least two or more image space frequencies and an image size acquisition device configured to recognize a size of the output image. A switching device is configure... | 01/01/2008 |
| 7304770 | Reduction of differential gloss with halftoned clear toner A method for reduction of differential gloss as found in halftone image hardcopy prints. The method comprises selecting either a single halftone or employing two halftones: a first halftone having a high apparent gloss characteristic; and a second halftone having a ... | 12/04/2007 |
| 7301675 | Glossmark images with clear toner The present invention relates to creating differential gloss images in clear toner by the manipulation of halftones employed prior to the depositing of the clear toner layer upon a substrate. By selectively applying halftones with anisotropic structure characteristi... | 11/27/2007 |
| 7301668 | Printing apparatus with generating means for generating a mask pattern comprising a plurality of planes, control method therefor, and program A CPU generates a mask pattern by generating patterns corresponding to a predetermined number of times in the sub-scanning direction in accordance with the number of printing elements of a printhead which corresponds to the amount by which scanning is performed once... | 11/27/2007 |
| 7298525 | Image processing device and image processing program for processing a plurality of color signals formed of a plurality of color components In a halftone module, it is judged whether or not the value “rate” for each pixel is greater than zero (0). In other words, it is judged whether or not the eight-bit input data Iin of each pixel is around a half of the relative density value for a small dot of a... | 11/20/2007 |
| 7277204 | Stochastic halftone screening method A method of building threshold matrices for stochastic screening by using the actual size and shape of imaged pixel and/or pixel agglomerate instead of the nominal one, in the stage of calculating appropriate threshold matrices. For each relevant combination of imag... | 10/02/2007 |
| 7268920 | Halftone patterns The patterns can be used to reduce one or more undesirable effects such as moire or colour shift in coloured halftone images. Colour screens in the images are based on a combination of non-orthogonal mesh structures with parcels of printing dots which have common sh... | 09/11/2007 |
| 7265875 | Halftone super-cell optimization for artifact reduction Artifact reduction is achieved by altering the growth of sub-cells for each super-cell in either a pre-determined or random manner. The means of alteration is selected such that the sum of all the groups equals a halftone value. In another embodiment, the random gro... | 09/04/2007 |
| 7253921 | Process and target for calibration of digital input devices The invention is about a process to calibrate digital input devices, especially scanners and digital cameras. An input device reads a calibration picture and an adjustment of color values is made. This is defined through the usage of a calibration picture that shows... | 08/07/2007 |
| 7251060 | Image-processing device using quantization threshold values produced according to a dither threshold matrix and arranging dot-on pixels in a plural-pixel field according to the dither threshold matrix The image-processing device comprises a quantization threshold produce unit producing quantization threshold values corresponding to each pixel of multivalued image data according to a dither threshold matrix, a random dither quantize unit quantizing the multivalued... | 07/31/2007 |
| 7239421 | Image data producing apparatus and image data producing program storage medium In an image data producing apparatus for producing proofing halftone dots image data representative of a proof image in which an image obtained by a printing system is simulated, the image data producing apparatus has: a halftone dots pattern data storage section fo... | 07/03/2007 |
| 7233339 | Method and apparatus for performing dithering A method and apparatus for dithering may provide filtering M bit data and performing a temporal/spatial compensation based on LSB of the filtered M bit data. The dithering may be performed on a selected frame. M-2 bits of the M bit data may be specified as a referen... | 06/19/2007 |
| 7206088 | Relay server, communication system and facsimile system A communication system capable of carrying out communication between terminals within different local systems via a plurality of relay servers. The first terminal is connected to the relay server, and the communication with the first relay server is made practicable... | 04/17/2007 |
| 7196822 | Security document manufacturing method and apparatus using halftone dots that contain microscopic images A method to capture any user-selected image such as a corporate logo, a photograph, or a key word or phrase, and to convert that image into a microscopic halftone dot with tonal variation features, and to allow substitution of theses dots for conventional square, ro... | 03/27/2007 |
| 7177052 | Dithered image for bi-level printing A method of printing a contone image in the form an array of contone color pixel values using a printer adapted to print bi-level dots. In the method comprising the contone image is dithered using a dithering volume, the dithering comprising assigning for each dithe... | 02/13/2007 |
| 7170639 | Halftone method and apparatus that provides simultaneous, multiple lines per inch screens A halftone threshold matrix includes a plurality of submatrices, wherein a first group of the plurality of submatrices has a line screen frequency different from a second group of the plurality of submatrices. The halftone method and apparatus removes the restrictio... | 01/30/2007 |
| 7158263 | Dynamic generation of linearized halftone matrix There is disclosed a method of dynamic generation of a linearized halftone matrix from a high bit resolution halftone matrix, for use in a printer device, for example a domestic or office printer device or a commercial high resolution printer device. A high bit reso... | 01/02/2007 |
| 7151619 | Image formation apparatus An image formation apparatus includes an aperiodic data generating unit for generating aperiodic data between pixel areas having a neighboring relation every pixel area comprising a plurality of pixels having an interlocking relation of the image data, a threshold v... | 12/19/2006 |
| 7130081 | Image processing method, image processing apparatus and recording medium The present invention relates to an image processing method, an image processing apparatus and a recording medium that convert a grey scale image into an area gradation image. The present invention intends to provide an image processing method, an image processing a... | 10/31/2006 |
| 7123383 | Dither pattern for image forming device An image forming device according to the invention produces a continuous gray-scale image by using a dither matrix structured by orderly tiling a plurality of dither patterns. In each dither pattern, a plurality of gray level areas are arranged in the laser scanning... | 10/17/2006 |
| 7085016 | Method and apparatus for dithering and inversely dithering in image processing and computer graphics The invention provides a method and an apparatus for dithering, and inversely dithering an image. The apparatus makes use of a pixel address and a pixel data to locate a dither reference value from a dither matrix and use the dither reference value to convert an ori... | 08/01/2006 |
| 7079290 | Halftoning method and system providing increased number of densities per basic halftone cell for constant input Apparatus and method for flexible digital halftoning are provided in which novel pattern choices are allowed by not restricting the basic halftone patterns to grow sequentially. Rather, positions in a threshold array allow multiple transitions between on (i.e., prin... | 07/18/2006 |
| 7054038 | Method and apparatus for generating digital halftone images by multi color dithering The invention provides a method and apparatus for the reproduction of color images by multi-color dithering. Multi-color dithering is an extension of bi-level dithering for halftoning an input image using as primary colors an arbitrary number of inks. The inks may c... | 05/30/2006 |
| 7054027 | Dot-gain calibration system A dot gain calibration system comprising a dot gain measurements database, a network for communicating data between the database and at least one printing location, a dot gain measurement device at the printing location for measuring dot gain on a printed sheet and ... | 05/30/2006 |
| 7046844 | Image processing device, image processing method, recorded medium, and program When color converting image data of a first color coordinate system to image data of a second color coordinate system using a color conversion module, the tone values of said second image data are proportionally increased for conversion in a tone value range in whic... | 05/16/2006 |
| 7014295 | System and method for producing efficient ink drop overlap filled with a pseudo hexagonal grid pattern The present invention is embodied in a system and method for producing efficient ink drop overlap filled with a pseudo hexagonal grid pattern. In general, the present invention can include an inkjet printhead assembly that incorporates a preprogrammed correction sch... | 03/21/2006 |
| 6982799 | Creating composite page images from compressed data A printhead controller controls printing of a page by at least one printhead. The printhead controller, in use, receives data, in a compressed format relating to the page to be printed, the data including a page description comprising a bi-level black layer and a co... | 01/03/2006 |
| 6975427 | Method, system, and program for using look-up tables to filter raster data Disclosed is a method, system, and program for modifying raster pel data according to different types of filtering operations. At least two tables are maintained in memory. At least two of the tables provide output pel values for at least two different types of filt... | 12/13/2005 |
| 6956673 | Image processing apparatus and method to reduce gray levels of image An image processing apparatus capable of providing an output image which is close to an actual image observed with human eyes is structured in the following way. An image data from an input unit is supplied from an output unit with a reduced number of gray levels. B... | 10/18/2005 |
| 6909524 | Image processor which can add predetermined information to an image while minimizing image-quality degradation, and methods therefor An image processor unit minimizes image-quality degradation that can be caused by the addition of predetermined information to an image and that enables the predetermined information to be added to the image so that embedded information can be accurately extracted. ... | 06/21/2005 |
| 6864996 | Image processor and image processing method, and printer system equipped with image processor An image processor includes conversion table storage for storing a plurality of conversion tables to determine a correspondence relationship between image reproduction data, including development area information, and tone data; halftone processing for receiving the... | 03/08/2005 |
