Abstract: Systems and methods are provided for switching a resolution of an image, wherein the image includes at least one block. In some embodiments, the image is compressed. At least one compressed block in the compressed image is tagged, if the data size of the compressed block exceeds a threshold. A non-transition region is grown based on the at least one compressed block that is tagged until a safe-transition block is reached, wherein the non-transition region includes the at least one compressed block in the compressed image. The resolution of each compressed block in the non-transition region is reduced.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image, wherein the bitmap image comprises a plurality of color blocks, wherein each color block is associated with a distinct color plane. In some embodiments, the bitmap image may be compressed. At least one compressed color block that is contained in a transfer frame may be determined, based on information pertaining to a physical offset between successive color planes when they are rendered on a print medium. Further, at least one compressed color block in the transfer frame may be tagged, if the size of the transfer frame exceeds a threshold, and the resolution of the at least one compressed color block that is tagged may be reduced.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image comprising at least one block, wherein the block comprises a plurality of image components, each image component being associated with a distinct color plane. The method may include compressing the plurality of image components of the at least one block. The method may further include ranking the plurality of image components using a dominance rank, wherein the dominance rank for an image component is based on a compression ratio for the image component. The method may also include reducing the resolution of at least one image component associated with the block, based on the dominance rank of the color plane associated with the image component.

Abstract: The invention concerns a process for the oxidation of organic compounds contained in a gas stream and comprises the step of introducing the gas stream containing the organic compounds together with sufficient oxygen to effect the desired amount of oxidation into an oxidation reactor containing an oxidation catalyst and maintaining the temperature of said gas stream at a temperature sufficient to effect oxidation, characterised in that the oxidation catalyst contains at least 0.01% by weight of ruthenium, cobalt or manganese.

Abstract: An apparatus and method for processing pixel data is presented that includes an image forming apparatus that includes an image forming module coupled to a data control module that comprises a plurality of memory units, wherein each of the memory units stores a corresponding portion of pixel data of an image. The data control module writes out portions of pixel data stored in corresponding memory units to the image forming module and dynamically associates each memory unit with a further portion of pixel data after its corresponding portion of pixel data has been written out.

Abstract: An apparatus and method for processing pixel data is presented that includes a plurality of image forming modules coupled to a data control module. The data control module includes a plurality of memory units. Each memory unit can store a portion of an image. The data control module receives a first signal and a second signal and selects at least one of the plurality of image forming modules to send the image portions stored in the plurality of memory units based on a timing relationship between a first image alignment event on the first signal and a second image alignment event on the second signal.

Abstract: An imaging device with an improved controller is disclosed wherein the controller eliminates duplicated circuitry and provides multiuser circuitry that efficiently replaces multiple dedicated circuit blocks. In one aspect, duplicated same-function circuit blocks are replaced with a switch controlled by an alignment control signal to operate as a multiplexer or demultiplexer. In another aspect, multiple different-function circuit blocks which generally have no temporal overlap of their active operation are replaced with a programmable logic device that is reconfigured dynamically to perform some subset of the different functions on an as-needed basis.

Abstract: Systems in accordance with the presently claimed invention use input data to create an output pulse that is a fraction of the width of an input pulse. In some embodiments, the invention accepts input data and an input signal that has pulses of a specific frequency. In some embodiments, the invention uses a phase lock loop to create multiple signals of a higher frequency than the frequency of the input signal. Each of these multiple signals is offset by a certain phase from the other signals. In some embodiments, the invention synchronizes the input data to each of these multiple signals. The invention uses the phase difference between the multiple signals to create an output pulse as a function of the input data that is a fraction of the width of the input pulse.

Abstract: Systems and methods are provided for correcting color registration errors in a printing device comprising a plurality of print engines driven by a single pixel frequency clock. In some embodiments, the print engines can include a reference print engine and one or more non-reference print engines. An adjusted resolution may be computed for color data sent to each non-reference engine to offset color registration errors attributable to the non-reference engine. The adjusted resolution is computed using calibration information for the non-reference print engines relative to the reference engine, and resolution information for color data processed by the first reference engine. The resolution of color data processed by each non-reference print engine is adjusted according to the computed adjusted resolution for the non-reference engine and sent to the print engines for printing.

Abstract: An apparatus associated with a printing device having a plurality of print engines comprising a first print engine and at least one second print engine is provided. The apparatus comprises a pixel clock generating module which generates a reference signal operating at a single video frequency derived from a first clock and the at least one first print engine. The apparatus further comprises a color data modification module which modifies the color data for the at least one second print engine based on an accumulated phase error for at least one second print engine, wherein the accumulated error is calculated based on calibration information for the at least one second print engine relative to the at least one first print engine.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image, wherein the bitmap image comprises a plurality of color blocks, wherein each color block is associated with a distinct color plane. In some embodiments, the bitmap image may be compressed. At least one compressed color block that is contained in a transfer frame may be determined, based on information pertaining to a physical offset between successive color planes when they are rendered on a print medium. Further, at least one compressed color block in the transfer frame may be tagged, if the size of the transfer frame exceeds a threshold, and the resolution of the at least one compressed color block that is tagged may be reduced.

Abstract: Apparatus, systems, and methods presented herein allow for the alignment of images. In some embodiments, a plurality of PWM modules each receive input data and corresponding input phase-shifted clock signals. In some embodiments, each PWM module generates an output phase-shifted PWM signal based on the input data and its corresponding input phase-shifted clock signal. In some embodiments, a selector selects one of the output phase-shifted PWM signal based on timing relationships between an event signal and the phase-shifted clock signals.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image, wherein the bitmap image comprises a plurality of image components, wherein each image component is associated with a distinct color plane. The plurality of color planes may be ranked using a dominance rank, wherein the dominance rank for a color plane is based on data in its associated image component. The data size of the at least one image component may be reduced based on the dominance rank of the color plane associated with the image component.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image comprising at least one block, wherein the block comprises a plurality of image components, each image component being associated with a distinct color plane. The method may include compressing the plurality of image components of the at least one block. The method may further include ranking the plurality of image components using a dominance rank, wherein the dominance rank for an image component is based on a compression ratio for the image component. The method may also include reducing the resolution of at least one image component associated with the block, based on the dominance rank of the color plane associated with the image component.

Abstract: Systems and methods are provided for reducing data size of at least one bitmap image using a look-up table, wherein the look-up table stores information correlating a plurality of compression ratios to a set of compression parameters and wherein the bitmap image comprises a plurality of image components, each image component associated with a distinct color plane. The plurality of color planes may be ranked using a dominance rank, wherein the dominance rank for a color plane is based on image component data associated with the color plane. At least one compression ratio may be associated with each color plane based on the dominance rank associated with the color plane. At least one image component may be compressed according to the compression ratio associated with the color plane corresponding to the image component using compression parameters obtained from the look-up table.

Abstract: Systems and methods are provided for switching a resolution of an image, wherein the image includes at least one block. In some embodiments, the image is compressed. At least one compressed block in the compressed image is tagged, if the data size of the compressed block exceeds a threshold. A non-transition region is grown based on the at least one compressed block that is tagged until a safe-transition block is reached, wherein the non-transition region includes the at least one compressed block in the compressed image. The resolution of each compressed block in the non-transition region is reduced.

Abstract: Systems and methods are provided for transferring image data to a printing device over a network connection. The image data comprises at least one image block associated with a first print page, wherein the image block comprises a plurality of color blocks, each color block being associated with a distinct color plane. In some embodiments, a transition delay may be computed for the transfer of a second print page immediately succeeding the first page. The transition delay is computed based on a function of a physical offset between successive color planes in relation to an order in which the color planes are processed on the printing device and the volume of data in the image block. Further, scheduled transfers of image data associated with the second print page may be delayed by the computed transition delay.

Abstract: Systems, methods, apparatus, and user-interfaces consistent with embodiments of the present invention provide for contactless document scanning using portable scanners. A magnetic field sensor may use variations in a known magnetic field and may provide information related to the orientation of a portable scanner relative to an image on a medium being scanned. The orientation information provided by magnetic field sensor may be used to determine the orientation of a scanner when the sensory threshold of motion sensors on the portable scanner has been exceeded.

Abstract: A method for controlling the initiation of an electronic detonator when located in surrounding ground, the method comprising the steps of: measuring the actual spatial position of the said detonator in relation to one or more adjacent detonators; and calculating the time of initiation of the said detonator based upon its actual spatial position.

Abstract: The methods and systems presented herein use well-known logic devices in combination with one or more pulse-width-modulation (PWM) devices in order to create left- and right-justified width-modulated pulses. In some embodiments, justification ability is added without the need to alter an existing PWM device. In some embodiments, the generation of justified pulses is accomplished by a logic circuit in combination with an inherently left- or right-justified PWM device. Some embodiments of the present invention may include, for example, any combination of logical selectors, inverters, and flip-flops. In some embodiments, a justification circuit may receive as input any combination of one or more bits of pixel data, one or more bits of justification selection data, and one or more clock signal. In some embodiments, a justification circuit may output one more signals representing left or right-justified pulses.