24th week of 2010 patent applcation highlights part 26 |
Patent application number | Title | Published |
20100149181 | VECTOR GRAPHICS SYSTEM AND VECTOR GRAPHICS RENDERING METHOD - The invention provides a vector graphics system. In one embodiment, the vector graphics system comprises a path rendering manager module and a rendering module. The path rendering manager module receives path data, calculates a changing rate of the path data, and selects a filling method from a tessellation filling method and a Stencil filling method according to the changing rate. The rendering module fills the path data according to the tessellation filling method when the filling method is the tessellation filling method, and fills the path data according to the Stencil filling method when the filling method is the Stencil filling method. | 2010-06-17 |
20100149182 | Volumetric Display System Enabling User Interaction - A volumetric display system which enables user interaction is described. In an embodiment, the system consists of a volumetric display and an optical system. The volumetric display creates a 3D light field of an object to be displayed and the optical system creates a copy of the 3D light field in a position away from the volumetric display and where a user can interact with the image of the object displayed. In an embodiment, the optical system involves a pair of parabolic mirror portions. | 2010-06-17 |
20100149183 | IMAGE MOSAICING SYSTEMS AND METHODS - Mosaicing methods and devices are implementing in a variety of manners. One such method is implemented for generation of a continuous image representation of an area from multiple images consecutively received from an image sensor. A location of a currently received image is indicated relative to the image sensor. A position of a currently received image relative to a set of previously received images is indicated with reference to the indicated location. The currently received image is compared to the set of previously received images as a function of the indicated position. Responsive to the comparison, adjustment information is indicated relative to the indicated position. The currently received image is merged with the set of previously received images to generate data representing a new set of images. | 2010-06-17 |
20100149184 | SYSTEM AND METHOD PROVIDING MOTION BLUR TO ROTATING OBJECTS - In graphics applications, objects including rotating objects having geometric detail or surface relief are rendered in render targets where pixels are assigned color and depth values by color and depth buffers. A pixel shader performs ray intersection calculations on a primitive approximating the object in the render target to generate three-dimensional world space positions for the pixels. Samples for each pixel are taken around a primitive's axis of rotation, and for each sample, the object in the render target is queried to gather color and depth data for the pixel. The query results are composited and a blurred object is provided in a scene at a desired location and at a depth according to depth data retrieved from the depth buffer. | 2010-06-17 |
20100149185 | Apparatus and method for tracing activities of a shader program executed on shader circuitry of a data processing apparatus - A data processing apparatus and method are provided for tracing activities of a shader program executed on shader circuitry of a data processing apparatus. The data processing apparatus comprises shader circuitry which is responsive to input data for a pixel to execute a shader program to generate a colour value for the pixel. The shader program has multiple execution paths via which the colour value may be generated, and which execution path is taken is dependent on the input data. An image buffer having a plurality of storage locations is provided, with each storage location being used to store the colour value generated by the shader circuitry for an associated pixel. In a trace mode of operation, execution of the shader program by the shader circuitry causes a trace vector to be generated containing a plurality of items of execution path information indicative of the execution path taken, the trace vector comprising a plurality of fields, each field being used to store one item of execution path information. The trace vector as output is constrained to be of the same size as the colour value, and in the trace mode of operation the trace vector is stored in one of the storage locations of the image buffer in place of the colour value generated by the shader program. This has been found to provide an efficient mechanism for obtaining execution path data useful when performing a variety of debugging activities in respect of a shader program. | 2010-06-17 |
20100149186 | Methods, Systems, and Products for Graphing Data - Methods, systems, and products are disclosed for graphing data. A layout is retrieved that comprises locations for vertices. A proximity graph is generated using triangulation. Nodal overlaps are removed. | 2010-06-17 |
20100149187 | Customizing Barcode Images for Particular Displays - Techniques for ensuring maximum readability of barcodes displayed in pixel displays. The techniques use the characteristics of the pixel display to determine the form of the barcode in the pixel display. Determination of the form includes determining a size of the barcode which renders the barcode's elements easily readable by a barcode reader and a shape, and or orientation of the barcode in the display which permits the entire barcode to be displayed in the display. Additionally, in a barcode with redundant information, the amount of redundant information may be reduced in the displayed barcode. The techniques may be applied to both one-dimensional and two-dimensional barcodes. | 2010-06-17 |
20100149188 | EVENT BASED INTERACTIVE ANIMATION - A client device receives a user interface event corresponding to a spline curve associated with an object displayed on a mobile device. The user interface triggers creation of a new spline curve based on computation of a new spline tangent associated with the spline curve and phase space-based dynamics of a new state. A scene graph having state information associated with the new state is maintained. A rendering event triggers repainting of the object associated with the spline curve suing the scene graph. | 2010-06-17 |
20100149189 | Media Action Script Acceleration Apparatus - Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary apparatus comprises: a first memory to store corresponding data; a first processor to separate the action script from other data; and a second processor to convert a plurality of descriptive elements of the action script into a plurality of operational codes, and to perform an operation corresponding to an operational code of the plurality of operational codes using the corresponding data to generate pixel data for the graphical image. In exemplary embodiments the second processor further is to parse the action script into the plurality of descriptive elements and the corresponding data, and to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields. | 2010-06-17 |
20100149190 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING AN INPUT ORDER INDEPENDENT CHARACTER INPUT MECHANISM - An apparatus for providing an input order independent character input mechanism may include a processor. The processor may be configured to receive an input comprising an element corresponding to a portion of a character being entered by a user independent of an order for inputting the element based on the portion of the character corresponding to the element, wherein receiving an input comprises receiving at least one radical. The processor may additionally be configured to retrieve at least one candidate character for the character being entered based at least in part on the received element. The processor may also be configured to provide a selection of candidate characters including the at least one candidate character to the user. Associated methods and computer program products may also be provided. | 2010-06-17 |
20100149191 | SYSTEM FOR VIRTUALLY DRAWING ON A PHYSICAL SURFACE - The system ( | 2010-06-17 |
20100149192 | Media Action Script Acceleration System - Exemplary apparatus, method, and system embodiments provide for accelerated hardware processing of an action script for a graphical image for visual display. An exemplary system comprises: a network I/O interface; a frame buffer; a first memory; and a plurality of processors to separate the action script from other data, to convert a plurality of descriptive elements of the action script into a plurality of hardware-level operational or control codes, and to perform one or more operations corresponding to an operational code to generate pixel data for the graphical image. In an exemplary embodiment, at least one processor further is to parse the action script into the plurality of descriptive elements and the corresponding data, and to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields. | 2010-06-17 |
20100149193 | Method And System For Enabling Managed Code-Based Application Program To Access Graphics Processing Unit - One embodiment of the present invention sets forth a method for enabling an intermediate code-based application program to access a target graphics processing unit (GPU) in a parallel processing environment. The method includes the steps of compiling a source code of the intermediate code-based application program to an intermediate code, translating the intermediate code to a PTX instruction code, and translating the PTX instruction code to a machine code executable by the target graphics processing unit before delivering the machine code to the target GPU. | 2010-06-17 |
20100149194 | Method And System For Enabling Managed Code-Based Application Program To Access Graphics Processing Unit - One embodiment of the present invention sets forth a method for enabling an intermediate code-based application program to access a target graphics processing unit (GPU) in a parallel processing environment. The method includes the steps of compiling a source code of the intermediate code-based application program to an intermediate code, translating the intermediate code to a PTX instruction code, and translating the PTX instruction code to a machine code executable by the target graphics processing unit before delivering the machine code to the target GPU. | 2010-06-17 |
20100149195 | LOAD BALANCING IN MULTIPLE PROCESSOR RENDERING SYSTEMS - Methods and systems for allocating workloads in a pixel sequential rendering system comprising a plurality of processors are disclosed. Such workloads typically comprise a raster pixel image comprising a plurality of graphical objects. For each scan line ( | 2010-06-17 |
20100149196 | DISPLAY TERMINAL DEVICE - Disclosed is a display terminal device including a display operating unit ( | 2010-06-17 |
20100149197 | SPATIAL BASED POWER SAVINGS FOR LCD TELEVISIONS - Described herein are systems and methods that reduce power consumption for a television that includes an LCD display. Power conservation systems and methods described herein alter video information in one or more inactive portions of a display area such that the altered video information decreases power consumption. | 2010-06-17 |
20100149198 | Image Processing System And Method - A system and method of performing a high speed filtering of data by using a GPU is disclosed. According to embodiments of the present invention, the system and method of processing data by using a graphic processing unit (GPU) including a video memory comprising multiple blocks, comprises: acquiring an image frame including a plurality of pixels representative of a target object; receiving a user input for processing the image frame; grouping each predetermined number of the pixels of the image frame into a group; uploading each of the groups to a respective block of the video memory; and performing operations on the groups uploaded to the video memory based on the user input. | 2010-06-17 |
20100149199 | SYSTEM AND METHOD FOR VIDEO MEMORY USAGE FOR GENERAL SYSTEM APPLICATION - A system and method for facilitating access to graphics memory wherein the graphics memory can be shared between a graphics processor and general system application. The method includes detecting an idle state of a graphics processing unit (GPU). The GPU uses graphics memory operable for storing graphics data. The method further includes determining an amount of available memory of the graphics memory of the GPU and signaling an operating system regarding the available memory. Memory data transfers are then received to store data into the available memory of the graphics memory wherein the data is related to general system application. Memory accesses to the available memory of the GPU are translated into a suitable format and executed so that the graphics memory is shared between the GPU and the operating system. | 2010-06-17 |
20100149200 | DISPLAY, APPARATUS AND METHOD FOR DRIVING DISPLAY - An apparatus for driving a display panel includes a first memory which stores a frame image data, a second memory which stores overshooting information. The apparatus receives an image signal from an external system via a CPU interface process. The second memory stores a difference data between the frame image data and an overshooting data. The overshoot is then calculated from the difference data and the frame image data. The apparatus also includes a two-line memory which stores an image signal of an n-th frame in a line unit and an image signal of an n−1-th frame in another line. The two-line memory compares the consecutive two frame data, so that the apparatus extracts overshooting information from a look up table. | 2010-06-17 |
20100149201 | Systems and Methods for Optimizing Pixel Based Raster Trapping - Methods disclosed permit the identification of frame buffer pixels for trapping. In some embodiments, flags associated with pixels in the frame buffer may be used to provide an indication of pixels for trapping. A bit in a flag associated with a pixel may be set when the pixel is painted, if the luminosity value of the pixel does not exceed a luminosity threshold. In some embodiments, the method discloses a process for updating the value of the bit through the rasterization process. The pixel may be identified as a candidate for trapping based on the value of the at least one bit at trapping time. | 2010-06-17 |
20100149202 | CACHE MEMORY DEVICE, CONTROL METHOD FOR CACHE MEMORY DEVICE, AND IMAGE PROCESSING APPARATUS - A cache memory device includes a memory section configured to store image data of a frame with a predetermined size as one cache block, and an address conversion section configured to convert a memory address of the image data such that a plurality of different indices are assigned in units of the predetermined size in horizontal direction in the frame so as to generate address data, wherein the image data is output from the memory section as output data by specifying a tag, an index, and a block address based on the address data generated by the address conversion section through conversion. | 2010-06-17 |
20100149203 | Systems and Methods for Color Gamut Mapping - Systems and methods are provided for an efficient computational scheme that permits the mapping of a color to a device gamut. In some embodiments, the device gamut may be represented in a device independent color space, which may be a perceptually uniform color space. In some embodiments, a set of non-overlapping contiguous tetrahedra may be used to partition entire device gamut. In some embodiments, the disclosed methods permit the identification of a destination color equivalent to the input color in the device independent space by intelligently narrowing the search space for tetrahedra enclosing the input color in the device gamut and permitting the identification of a color equivalent in the destination gamut in the input color space even when the input color lies outside the searched tetrahedra. | 2010-06-17 |
20100149204 | IMAGE COLOR BALANCE ADJUSTMENT FOR DISPLAY PANELS WITH 2D SUBIXEL LAYOUTS - The subpixel rendering component of a display system provides the capability to substitute a second subpixel rendering filter for a first subpixel rendering filter for computing the values of certain subpixels on the display panel when the input image data being rendered indicates an image feature that may give rise to a color balance error at some portion of the displayed output image. An image processing method of correcting for color balance errors detects the location of a subpixel being rendered and for certain subpixels, detects whether the input image data indicates the presence of a particular image feature. When the image feature is detected for particular subpixels being processed, a second subpixel rendering image filter is substituted for a first subpixel rendering image filter. | 2010-06-17 |
20100149205 | METHOD AND DEVICE TO IMPROVE BACKLIGHT UNIFORMITY - A system and method for compensating for non-uniform illumination from a light guide for a display in an electronics device is provided. The system comprises: a memory device storing a data representing a first compensation pattern for generation on the display to block light from a first portion of the light guide relative to light from a second portion of the light guide; a first module to incorporate the stored representation into an image to be displayed on the display; and a second module to generate the image with the stored representation for display on the display. In the system, when the first module generates the first compensation pattern on the display, the first compensation pattern aligns with the first and second portions to reduce an intensity of light from a light source passing through the first compensation pattern from the first portion relative to an intensity of light passing through the first compensation pattern from the second portion from the light source. | 2010-06-17 |
20100149206 | DATA DISTRIBUTION SYSTEM, DATA DISTRIBUTION APPARATUS, DATA DISTRIBUTION METHOD AND RECORDING MEDIUM, IMPROVING USER CONVENIENCE - A CPU determines whether there is handwriting. If handwriting is determined to be done, the handwritten image data is obtained. Thereafter, CPU determines, based on the obtained handwritten image data, whether the handwritten image is a handwritten data for area designation. If it is determined, based on the obtained handwritten image data, that the handwritten image data is a handwritten image for area designation, next, a designated write area display process is executed. | 2010-06-17 |
20100149207 | GRAYSCALE CHARACTERISTIC FOR COLOR DISPLAY DEVICE - An original reference grayscale characteristic for a display panel is created by modifying the sRGB reference grayscale characteristic for the display panel. The changes selectively vary the relative luminances and contrasts of certain regions of the sRGB reference grayscale characteristic. The display device code values for the original reference grayscale characteristic comprise a substantially constant chromaticity corresponding to a particular CIE standard illuminant between D70 and D85 throughout the entire grayscale characteristic. A portion of the display device code values in the original reference grayscale characteristic are changed to provide a taper to a black chromaticity of the display panel in the lower portion of the grayscale characteristic. | 2010-06-17 |
20100149208 | CONVERSION OF A SUB-PIXEL FORMAT DATA TO ANOTHER SUB-PIXEL DATA FORMAT - A method of determining implied sample areas for each data point of each color in a source pixel data specified in a first sub-pixel format is used for sub-pixel rendering an image on a display specified in a second sub-pixel format. Each of the first and second sub-pixel formats comprises a plurality of colored sub-pixels. The method comprises determining a geometric center of each colored sub-pixel of the first format to define a sampling point; and defining each implied sample area by forming lines that are substantially equidistant between the sampling point of one colored sub-pixel and the sampling point of another neighboring same color colored sub-pixel. A similar technique may be used for determining resample areas for computing color values for rendering an image specified in a first sub-pixel format on a display substantially comprising a plurality of colored sub-pixels arranged in a second sub-pixel format. | 2010-06-17 |
20100149209 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - The invention provides a display device and a method of driving the same in which degradation of display quality attributable to image sticking can be prevented while maintaining a memorized state of display. The display device includes a display section displaying a memorized display image which is kept displayed without electric power, a correction data generating section generating correction data for correcting a display characteristic of the display section which has changed due to sticking of the memorized display image, a corrected image data generating section generating corrected image data by correcting image data of a next image to be displayed next on the display section using the correction data, and a control section causing the display section to display the next image according to the corrected image data. | 2010-06-17 |
20100149210 | IMAGE CAPTURING APPARATUS HAVING SUBJECT CUT-OUT FUNCTION - An image capturing apparatus includes: a first image capturing unit configured to capture a subject-including image including a subject image under a first capturing condition; a second image capturing unit configured to capture a background image under a second capturing condition that is substantially the same with the first capturing condition; a positioning unit configured to perform positioning of the subject-including image and the background image; a difference generating unit configured to generate differential information indicating difference between each corresponding pair of pixels in the subject-including image and in the background image as positioned by the positioning unit; and a subject extracting unit configured to extract a subject region including the subject image from the subject-including image based on the differential information generated by the difference generating unit. | 2010-06-17 |
20100149211 | SYSTEM AND METHOD FOR CROPPING AND ANNOTATING IMAGES ON A TOUCH SENSITIVE DISPLAY DEVICE - The present invention is a system and method for cropping and annotating images on a touch sensitive display device or other handheld device, including the following steps: (a) displaying an image of the image file to be cropped/annotated; (b) receiving an first input from a user designating a first point in the image defining a corner of a crop/annotation rectangle; (c) receiving a second input from the user designating a second point in the image defining an opposite corner of the crop/annotation rectangle; and (d) cropping and/or annotating the image from the first point to the second point of the crop/annotation rectangle. The present invention may be used in digital cameras, Apple iPhones®, hand-held devices that inspectors may use to annotate photographs taken to substantiate statements of problems found during industrial inspections, and in other purposes. | 2010-06-17 |
20100149212 | Information processing device and method, and program - An information processing device which displays on a map a plurality of images classified by hierarchical clustering and associated with positional information includes a deciding unit configured to decide clusters satisfying a predetermined condition from among clusters created by the hierarchical clustering as the same group and a display control unit configured to perform control such that the clusters belonging to the group are displayed on a reduced scale map based on positional information of the respective clusters belonging to the group. | 2010-06-17 |
20100149213 | Virtual Penetrating Mirror Device for Visualizing of Virtual Objects within an Augmented Reality Environment - A virtual penetrating mirror ( | 2010-06-17 |
20100149214 | RENDERING A VIEW FROM AN IMAGE DATASET - The invention relates to a rendering system ( | 2010-06-17 |
20100149215 | Media Action Script Acceleration Apparatus, System and Method - Exemplary apparatus, method, and system embodiments provide for processing an action script for a graphical image for visual display. An exemplary apparatus comprises: a first memory; first circuitry configured to convert a plurality of descriptive elements of the action script into a plurality of operational codes; and second circuitry configured to execute the plurality of operational codes using corresponding data stored in the first memory to generate pixel data for the graphical image. Exemplary embodiments may further include third circuitry configured to parse the action script into the plurality of descriptive elements and the corresponding data, and fourth circuitry configured to extract data from the action script and to store the extracted data in the first memory as a plurality of control words having the corresponding data in predetermined fields. | 2010-06-17 |
20100149216 | VARIABLE SCALING OF IMAGE DATA FOR ASPECT RATIO CONVERSION - A mechanism for enabling a user to vary the scale or zoom of image data for aspect ratio conversion using a graphical user interface is disclosed. A user may move a selector of the graphical user interface to one end for selecting a linear scaling, to the other end for selecting a parabolic scaling or in between for selecting a scaling associated with another function, thereby enabling a user to vary the magnitude of the scaling across the image data. A parametric function with a single parameter may be used to scale the image data, where the movement of the selector may change the parameter and consequently vary the scaling of the image data. In this manner, a user may efficiently vary or select the scaling of the image data using a graphical user interface to reduce objectionable distortion associated with changing the aspect ratio of the image data. | 2010-06-17 |
20100149217 | SNAP TO ELEMENT ANALYTICAL TOOL - An analytical tool for measuring spacing between elements in a web page is provided. In one implementation, the analytical tool identifies locations indicated on a web page and automatically determines one or more elements in proximity to those indicated locations. The analytical tool automatically identifies points on the determined elements associated with the indicated locations and calculates the distance between those points. The calculated distance is displayed on the web page. The automatically identified points and a graphical representation of a measuring ruler between the points may also be displayed to enhance usability. | 2010-06-17 |
20100149218 | PIXEL-LEVEL POWER OPTIMIZATION FOR OLED DISPLAYS - A method enables power savings in an OLED display by reducing the size of the screen in an OLED display when the screen is not in use. For example, if the OLED display receives no input from the user for a predefined time period, the size of the screen is reduced in order to decrease the power consumption of the OLED display. | 2010-06-17 |
20100149219 | DISPLAY DEVICE - A display device includes a housing that includes at least a front surface and a rear surface, a display screen that displays information on the front surface of the housing, and an identification mark that is provided on a surface other than the front surface and that indicates a position of the display screen on the front surface. | 2010-06-17 |
20100149220 | PLASMA DISPLAY PANEL DRIVE CIRCUIT AND PLASMA DISPLAY DEVICE - The total number of the scan electrodes is divided into a first scan electrode group and a second scan electrode group. The first scan electrode group drive section for driving the first scan electrode group produces a selection potential and a non-selection potential in the scan period, and supplies scan pulses based on the two potentials in the first half of the scan period. The complex switch section supplies the selection potential produced using the first scan electrode group drive section to the second scan electrode group drive section for driving the second scan electrode group in the latter half of the scan period. The second scan electrode group drive section supplies scan pulses based on the input selection potential. | 2010-06-17 |
20100149221 | DRIVE CURRENT OF LIGHT SOURCE BY COLOR SEQUENTIAL METHOD - The present invention relates to a drive circuit of light source by color sequential method for generating a full-color image based on sequential switching between red, green and blue illuminations. The drive circuit of light source by color sequential method includes a color-sequential control circuit and a plurality of radiating areas coupled to multiple light units. The color-sequential control circuit is connected to those radiating areas to control the operation thereof by the color sequential method. | 2010-06-17 |
20100149222 | BLUE LASER PUMPED GREEN LIGHT SOURCE FOR DISPLAYS - The invention relates to light sources and displays incorporating blue laser pumped light sources that provide green light. According to a first aspect of the invention, a green light source includes a semiconductor diode laser emitting light in an optical path having a dominant wavelength within the blue spectral region, a substrate positioned in the optical path of the semiconductor diode laser, and a material coupled to the substrate. The material is selected to absorb light emitted by the semiconductor diode laser and, in response, to emit light having a dominant wavelength within the green spectral region. According to a second aspect of the invention, an apparatus includes a lighting module for a display, the lighting module includes an array of red laser light sources, an array of blue laser light sources, and an array of green light sources according to the first aspect of the invention. | 2010-06-17 |
20100149223 | SELECTIVE DIMMING OF OLED DISPLAYS - A method enables power savings in an organic light-emitting diode (OLED) display by dimming selected areas of the OLED display pixel by pixel. The selected areas may include, for example, particular displayed objects such as an active window, particular colors, etc. Dimming selected areas of the OLED display results in overall power savings when operating the OLED display. | 2010-06-17 |
20100149224 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE DISPLAY DEVICE - An image processing apparatus has a light source luminance calculating unit which calculates the luminances of the light sources of the plurality of colors of a back light based on an input image, a light source maximum value detecting unit which detects a light source maximum value that is the largest value in the light source luminances of the plurality of colors, a light source luminance correcting unit which corrects the light source luminances to obtain corrected light source luminances so as to reduce the difference among the light source luminances of the plurality of colors if the light source maximum value is smaller than a threshold value, a gradation conversion function calculating unit which calculates a gradation conversion function applied to the input image corresponding to each of the plurality of colors, by using the corrected light source luminance, and a control unit which converts the input image by using the gradation conversion function and outputs the input image to a liquid crystal panel and generates the luminance control signal by using the corrected light source luminance and outputs the luminance control signal to the back light. | 2010-06-17 |
20100149225 | ILLUMINATOR AND DISPLAY HAVING SAME - A display apparatus can perform a high quality moving picture display and provides improved color purity, and includes an illumination device that prevents and minimizes light unevenness in the form of a lamp image. The display apparatus includes an illumination device in which a first scattering layer, a first light-condensing layer, a second scattering layer, and a second light-condensing layer are arranged so as to cover a light-radiating surface of a light source unit including a first light source that emits light of a first color and a second light source that emits light of a second color complementary to the first color, a gate driver arranged to sequentially select each one of scanning lines at a cycle of 0.5 frames, a source driver that, at a first half of one frame time period, writes a data signal into each in a group of pixels of the first color, and at a latter half thereof, writes a data signal into each in groups of pixels of other two colors, and a switch circuit that, at the first half of one frame time period, switches on the first light source while switching off the second light source, and at the latter half of the time period, switches on the second light source while switching off the first light source. | 2010-06-17 |
20100149226 | ORGANIC ELECTROLUMINESCENT DISPAY DEVICE - An organic electroluminescent display device includes a display panel that includes sub-pixels which include organic light emitting diodes, respectively, to display a frame image made by image data by every frame; a data drive IC that outputs data voltages to the sub-pixels, respectively, by every frame, wherein the data voltages correspond to the image data, respectively; a current detecting portion that detects a first panel current, and generates a first comparison value corresponding to the first panel current; a current estimating portion that estimates a second panel current from the image data of the frame and generates a second comparison value corresponding to the second panel current; and a brightness control portion that compares the first and second comparison values and adjusts a brightness of a frame image after the frame according to the comparison result. | 2010-06-17 |
20100149227 | Display Device, Liquid Crystal Monitor, Liquid Crystal Television Receiver, and Display Method - A display device displaying an image by dividing each frame into subframes. A display section has pixels each containing a first subpixel (SP | 2010-06-17 |
20100149228 | METHOD FOR PROCESSING DATA, DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE DRIVING APPARATUS - A method for processing image data, the image data including a plurality of sub color data corresponding to a plurality of unit pixels in a row direction, wherein each unit pixel includes N sub color data having different colors, wherein N is a natural number greater than or equal to 2, includes; storing one sub color datum of the plurality of the sub color data corresponding to the unit pixels via dividing the plurality of the sub color data one by one into an individual sub color datum corresponding to a single pixel, and reading the stored sub color data, binding up the stored sub color data two by two, and storing two sub color data bound up with each other. | 2010-06-17 |
20100149229 | CONTROLLING DIGITAL PRINTING - A method and system for digital printing with plural marking engines in which a controller determines which of the marking engines has first completed its initialization/warm-up cycle and begins printing on that marking engine. As additional marking engines complete their initialization/warm-up cycle, additional concurrent printing is commenced on them. | 2010-06-17 |
20100149230 | PRINTHEAD CARTRIDGE CRADLE HAVING CONTROL CIRCUITRY - A printhead cartridge cradle is provided having a frame, a printed circuit board pivotally supported by the frame, a cover pivotally supported by the frame to pivot between a closed position at which a printhead cartridge is secured within the frame and the printed circuit board is pivoted to connect control circuitry on the printed circuit board with a controller of the secured cartridge and an open position at which access for the cartridge with the frame is provided and the printed circuit board is pivoted to disconnect the control circuitry and controller, and a motor operatively connected to a maintenance gear and actuator arrangement and a wiper gear and actuator arrangement for maintaining and wiping a printhead of the secured cartridge under control of the connected control circuitry. | 2010-06-17 |
20100149231 | IMAGE FORMING METHOD - Provided is a method for forming an image using an ink-jet recording method which forms the image with a single pass printing method employing an ink comprising water in an amount of 20 to 90 weight % based on the total weight of the ink, a pigment and a water soluble resin containing an acidic group which is neutralized with ammonia or an amine compound, the method containing the steps of: applying a processing solution on a coated paper for printing; and ejecting droplets of the ink on the coated paper for printing, wherein the processing solution is capable of aggregating an ingredient of the ink or increasing a viscosity of the ink, and the coated paper for printing is heated from 40 to 60° C. during the step of ejecting the droplets of the ink. | 2010-06-17 |
20100149232 | System and Method for Identifying a Particular Inkjet Ink - A system for identifying a particular inkjet ink includes an ink delivery tubing interconnecting an ink cartridge and a printhead, a quantity of ink dispensing from the ink cartridge to the printhead by flowing through the ink delivery tubing, a light emitter configured and positioned to transmit light in a first preselected wavelength bandwidth onto the ink delivery tubing and the ink flowing therethrough, a photo sensor configured and positioned to detect light in a different second preselected wavelength bandwidth that is emitted by a fluorescent additive contained in the dispensed ink, and a signal analyzer electrically connected to the photo sensor and operable to produce an electrical output signal corresponding to such light emissions such that an electrical output signal above a given level is indicative of the presence of the particular ink in the ink cartridge. | 2010-06-17 |
20100149233 | PRESSURE MODULATION CLEANING OF JETTING MODULE NOZZLES - A continuous inkjet printhead includes a jetting module, a fluid system, and a controller. The jetting module includes an array of nozzles. The fluid system includes a liquid source and a pressure control device. The liquid source includes a liquid and is connected in fluid communication with the jetting module. The controller is in electrical communication with the pressure control device of the fluid system and is configured to provide a first signal to the pressure control device to cause the liquid to be ejected as liquid streams through the nozzles of the array at a first pressure sufficient to create a stream of print-selectable drops. The controller is configured to provide a second signal to the pressure control device to cause the liquid to be ejected as liquid streams through the nozzles of the array at a second pressure with the second pressure being less than the first pressure. The controller is configured to provide the first signal to the pressure control device after a period of time. | 2010-06-17 |
20100149234 | SPEED CALCULATION DEVICE, IMAGE FORMING DEVICE, AND STORAGE MEDIUM - A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected by the detection component prior to the current rise or fall detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals. | 2010-06-17 |
20100149235 | LIQUID-EJECTION TESTING METHOD, LIQUID-EJECTION TESTING DEVICE AND COMPUTER READABLE MEDIUM - A liquid-ejection testing method includes the following steps (A) to (D): (A) a step of making a conductive first detection member and a conductive second detection member opposed, in a non-contact state, to a liquid ejecting nozzle that is to be tested; (B) a step of ejecting a charged liquid from the liquid ejecting nozzle; (C) a step of detecting an induced current generated at each of the first detection member and the second detection member by the liquid that has been ejected from the liquid ejecting nozzle; and (D) a step of judging, on the liquid ejecting nozzle, whether or not ejection of the liquid is being properly performed based on a magnitude of the detected induced current generated at each of the first detection member and the second detection member. | 2010-06-17 |
20100149236 | SPEED CALCULATION DEVICE, SPEED ESTIMATION DEVICE, IMAGE FORMING DEVICE, AND STORAGE MEDIUM - A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected prior to the rise or fall currently detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals. | 2010-06-17 |
20100149237 | RECORDING HEAD AND RECORDING APPARATUS, AND INSPECTION APPARATUS OF RECORDING HEAD AND METHOD THEREOF - A temperature detection circuit acquires first temperature data detected by a temperature sensor corresponding to a heater of a recording head in a state in which no electric current is flowed into the heater, and second temperature data for the heater in a state in which an electric current is flowed into the heater. Correction data for correcting the temperature data detected by the temperature sensor is obtained based on the first and second temperature data. The temperature data detected by the temperature sensor is corrected based on the correction data. | 2010-06-17 |
20100149238 | THERMAL CLEANING OF INDIVIDUAL JETTING MODULE NOZZLES - A liquid ejection device includes a jetting module including an array of nozzles; a thermal stimulation device associated with each nozzle of the array of nozzles; and a controller in electrical communication with each thermal stimulation device. The controller is configured to provide a first activation waveform to each thermal stimulation device and to provide a second activation waveform to each thermal stimulation device to clean the associated nozzle with liquid emitted from the associated nozzle. The second activation waveform has a higher activation component when compared to the first activation waveform. | 2010-06-17 |
20100149239 | PRINTHEAD IC WITH SUB EJECTION CONTROL - A printhead IC is provided having an array of ejection nozzles, sensing circuitry for sensing a temperature of the nozzle array which is de-activatable after a period of use, and drive circuitry for receiving print data and providing drive pulses to the nozzles to cause ejection in accordance with the print data. The drive circuitry is configured to set the duration of the drive pulses to a sub-ejection value for any nozzle which is not to eject in accordance with the print data. | 2010-06-17 |
20100149240 | PRINTING APPARATUS AND PRINTING METHOD - A printing apparatus which prints by discharging ink droplets from a first nozzle array and a second nozzle array based on print data using a printhead including the first nozzle array and the second nozzle array for discharging ink droplets of the same color and different discharge amounts, the apparatus comprising: a specifying unit configured to specify a discharge failure nozzle in the first nozzle array and the second nozzle array; and a controller configured to assign print data corresponding to the discharge failure nozzle specified by the specifying unit to a nozzle of a nozzle array different from a nozzle array to which the discharge failure nozzle belongs, out of the first nozzle array and the second nozzle array. | 2010-06-17 |
20100149241 | IMAGE RECORDING APPARATUS - An image recording apparatus is provided with at least one recording head having a nozzle array configured by a plurality of nozzles and a nozzle array drive unit for driving the nozzle array, and a conveyance mechanism for loading and conveying a record medium for a recording process using ink conveyed upstream from a conveyance route and jetted from the plurality of nozzles, and includes: at least a nozzle array drive control unit controlling the nozzle array drive unit; and a temperature measuring unit detecting the temporarily of the nozzles. With the configuration, the nozzle array drive control unit measures a temperature of the nozzles, and performs the process of heating ink by performing a weak vibration so that the ink cannot be jetted when the measured temperature is lower than a predetermined temperature. | 2010-06-17 |
20100149242 | IMAGE FORMING APPARATUS - An image forming apparatus includes an ink discharge unit including nozzles to discharge ink and to form an image on a recording medium; a conveyer belt to convey the recording medium so that the recording medium passes through an area facing the ink discharge unit, the conveyor belt including blank discharge holes to let the ink for a blank discharge through; a control unit to control an ink discharge operation of the ink discharge unit; a blank discharge receiver to receive the ink for the blank discharge, provided at a position facing the ink discharge unit across the conveyor belt; and a belt position detection unit to detect a position in a direction perpendicular to a belt moving direction of the conveyor belt, wherein the control unit controls the blank discharge operation of the ink discharge unit based on a detection result detected by the belt position detection unit. | 2010-06-17 |
20100149243 | Printhead IC Having Temperature Based Ejection - A printhead IC is provided having an array of ejection nozzles, sensing circuitry for sensing temperatures of regions of the nozzle array, and drive circuitry for providing drive pulses to the nozzles to cause ejection. The drive circuitry is configured to set a different profile of the drive pulses for each region of the nozzle array in accordance with the sensed temperatures. | 2010-06-17 |
20100149244 | Printhead IC With Multiple Operating Modes - A printhead IC for receiving print data from a print engine controller (PEC) which may be one of a plurality of different types of PEC. The printhead IC has an array of nozzles for ejecting drops of printing fluid onto a media substrate and drive circuitry for driving the array of nozzles. The drive circuitry is configured for connection to a power source in the printer. The drive circuitry is configured to reset itself to a known initial state in response to receiving power from the power source after a period of not receiving power from the power source. | 2010-06-17 |
20100149245 | RECORDING APPARATUS AND RECORDING METHOD - In the present invention, a conveying operation of a recording medium is controlled on the basis of a first correction value and a second correction value. The first correction value is used for correcting a conveying amount when the recording medium disengages from a first conveying roller, and the second correction value is used for correcting the phase of the first conveying roller and a second conveying roller when the recording medium disengages from the first conveying roller before the recording medium is nipped by the first conveying roller. | 2010-06-17 |
20100149246 | MEDIA IDENTIFICATION SYSTEM WITH MOVING OPTOELECTRONIC DEVICE - A printing system includes a carriage that is movable along a carriage scan direction and an optoelectronic device mounted on the carriage. A media input location, for storing a recording medium, is included along with at least one unobstructed optical path between the optoelectronic device and a plurality of regions of the media input location as the carriage is moved along the carriage scan direction. | 2010-06-17 |
20100149247 | NOZZLE FUNCTIONALITY DETECTION OF INKJET PRINTERS | 2010-06-17 |
20100149248 | PRINT POSITION CORRECTING DEVICE, METHOD OF CONTROLLING PRINT POSITION CORRECTING DEVICE, AND PRINTING APPARATUS - A print position correcting device includes: a head unit which ejects a liquid onto a print medium being transported on a transport surface; detectors which detect a position of the print medium being transported; a transport information calculator which calculates transport information regarding a transport status of the print medium based on the position of the detected print medium; a movement speed calculator which calculates a movement speed used to move the head unit based on the transport information; and a controller which moves the head unit in a direction parallel to the transport surface based on the transport information and the movement speed. | 2010-06-17 |
20100149249 | SURFACE TREATMENT METHOD, CIRCUIT LINES FORMATION METHOD, CIRCUIT LINES FORMATION APPARATUS, AND PRINTED CIRCUIT BOARD FORMED THEREBY - The present invention relates to a method of surface treatment, a method for forming circuit lines, a printed circuit board formed thereby, and an apparatus for forming circuit lines on a substrate, wherein fine circuit lines are formed simply, rapidly, and economically. The method for forming circuit lines of the present invention comprises: (a) selectively applying a surface treatment solution which includes an alkali metal compound on a base film in accordance with circuit patterns by a discharging method; (b) applying a conductive ink which includes metal nanoparticles in accordance with the surface-treated circuit pattern; and (c) curing the base film on which the conductive ink is applied under a reduction atmosphere lines. | 2010-06-17 |
20100149250 | PRINTHEAD ASSEMBLY WITH AIR EXPULSION ARRANGEMENT - A printhead assembly includes an elongate channel member of a metal alloy; a flexible elongate fluid carrier positioned on a floor of the channel member, the fluid carrier defining a plurality of passages longitudinally extending along a length of the fluid carrier, the fluid carrier further defining a repeated pattern of holes on an external surface thereof, the holes providing fluid communication from outside the fluid carrier to respective passages of the fluid carrier; and a series of printhead modules mounted to the external surface of the fluid carrier, each printhead module including an upper micro-molding and a lower micro-molding, the lower micro-molding having an air inlet slot in fluid communication with one of the plurality of passages via a hole of the repeated pattern of holes at one end and a series of alternating air inlets and outlets on the upper micro-molding at an opposite end. Each repeated pattern of holes diagonally spans a width of the fluid carrier, and the repeated pattern of holes together span a length of the fluid carrier. The alternating air inlets and outlets divert air from the air inlet slot to the printhead modules to facilitate cleaning of debris from the printhead modules. | 2010-06-17 |
20100149251 | PRINTHEAD CARTRIDGE INCORPORATING INK SUPPLY AND MOVEABLE MAINTENANCE STATION - A printhead cartridge for an inkjet printer is removably receivable in the printer. The cartridge comprises: a pagewidth printhead, an ink delivery system and a maintenance station. The maintenance station comprises: a chassis reciprocally moveable between a first position and a second position, and a printhead maintenance system mounted on the chassis. The printhead maintenance system is moveable by the chassis between the first position in which the printhead is maintained by the maintenance system and the second position in which the maintenance system is disengaged from the printhead. The chassis comprises an engagement formation for complementary engagement with an engagement arm of an engagement mechanism in the printer. The chassis is moveable by means of the engagement mechanism. | 2010-06-17 |
20100149252 | FLUID EJECTING APPARATUS AND MAINTENANCE METHOD OF FLUID EJECTING APPARATUS - A fluid ejecting apparatus includes a fluid ejecting head in which nozzles are formed on a nozzle forming surface and corresponding maintenance devices. A supporting member supports each of the maintenance devices in a disposition state that corresponds to the fluid ejecting head. A simultaneous transfer mechanism moves the supporting member between a maintenance position, which is a position state where each of the maintenance devices approaches the corresponding fluid ejecting head, and a retracted position, which is a position state where each of the maintenance devices is separated from the corresponding fluid ejecting head. An individual transfer mechanism individually moves each of the maintenance devices on the supporting member, for each of a plurality of maintenance device groups including at least one maintenance device, along approaching and separating directions with respect to the fluid ejecting head that corresponds to the maintenance device included in the maintenance device group. | 2010-06-17 |
20100149253 | IMAGE FORMING APPARATUS - An image forming apparatus for forming an image includes a recording head, a nozzle, an ink repellent layer, and an elastic wiper blade. The nozzle is provided in the recording head and includes an ink discharge surface including a substantially elongated discharge opening from which ink is ejected. The ink repellent layer is formed on the ink discharge surface of the nozzle. The elastic wiper blade moves over the ink discharge surface to wipe away ink adhering to the ink discharge surface while slidably contacting the ink discharge surface. The wiper blade moves in a long axis direction of the ink discharge opening as the wiper blade wipes away ink adhering to the ink discharge surface of the nozzle. | 2010-06-17 |
20100149254 | LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head including a plurality of nozzle groups, a plurality of reservoirs, each of which corresponds to each nozzle group, each reservoir having an introduction port, wherein the reservoirs include a first reservoir in which the introduction port is disposed in the center of the reservoir in the nozzle row direction and a second reservoir in which the introduction port offset from the center of the reservoir, and wherein a liquid having a pressure P comparatively higher than those of other liquids among plurality types of liquids ejected from the liquid ejecting head is introduced into the first reservoir. | 2010-06-17 |
20100149255 | PRINTHEAD NOZZLE ARRANGEMENT HAVING INK EJECTING ACTUATORS ANNULARLY ARRANGED AROUND INK EJECTION PORT - A printhead for an inkjet printer includes a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink; an ink ejection port associated with each nozzle chamber; and a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation. A plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port. Each actuator is operable to displace a respective petal formation into the nozzle chamber. | 2010-06-17 |
20100149256 | PRINTER INCLUDING DOT DATA GENERATOR WITH STOCHASTICALLY RAMPED PRINT DATA - A printer including a print media transport path, a plurality of printhead modules located across the print media transport path, each printhead module having an elongate printhead, said printheads being slanted and nozzles of respective printheads overlap with nozzles of printheads of neighboring printhead modules, and a dot data generator for providing print data to nozzles such that print data is stochastically ramped from one neighbouring printhead module to a next neighbouring printhead module. | 2010-06-17 |
20100149257 | MOLDED INK MANIFOLD WITH POLYMER COATING - A printhead assembly includes a molded ink manifold, a plurality of printhead integrated circuits, and an adhesive film sandwiched between the ink manifold and the printhead integrated circuits. A manifold bonding surface of the molded ink manifold includes a polymer coating. The polymer coating plugs fissures resulting from a molding process used to mold the ink manifold. | 2010-06-17 |
20100149258 | INK JET PRINT HEAD AND PRINTING METHOD AND APPARATUS USING THE SAME - The present invention relates to measures for preventing end deviation that may occur during high-duty printing such as one-pass printing, and in particular, to measures for preventing density unevenness (white stripes) in the case of ink with a low lightness such as black ink. According to the present invention, the amount of black ink ejected through the corresponding ejection ports is set to be larger than that of color ink ejected through the corresponding ejection ports. Two black ink ejection chips each having at least one black ink ejection port row are arranged on the respective sides of a color ink ejection chip. | 2010-06-17 |
20100149259 | UV-CURABLE COATINGS AND METHODS FOR APPLYING UV-CURABLE COATINGS USING THERMAL MICRO-FLUID EJECTION HEADS - An aqueous-based UV-curable fluid composition for use in a micro-fluid ejection device. The fluid composition includes a mixture of poly-functional compounds, a colorant compound, a photo-initiator and less than about 50 weight percent water based on a total weight of the fluid composition, wherein the fluid composition is substantially devoid of volatile organic carrier fluids. | 2010-06-17 |
20100149260 | INK JET HEAD AND METHOD OF MANUFACTURING THE SAME - An ink jet head includes a Si substrate with a surface having a {100} orientation; a passage holding ink on the Si substrate; an ink discharge port which is communicatively connected to the passage and through which ink is ejected; and a supply port which extends through the Si substrate, which is communicatively connected to the passage, and which supplies ink to the passage. The supply port has walls having two {111} planes facing each other. | 2010-06-17 |
20100149261 | INK JET RECORDING HEAD AND METHOD FOR MANUFACTURING SAME - An ink jet recording head includes a recording element substrate and a supporting member. The recording element substrate has an energy generating element that generates energy used for discharging liquid. The supporting member has a plurality of supply paths that are through holes facilitating supplying liquid to the recording element substrate, and supports the recording element substrate. A first protrusion is provided on a surface of the supporting member in contact with adhesive for bonding the recording element substrate, and at each end in the longitudinal direction of each of partition walls formed between the plurality of supply paths. | 2010-06-17 |
20100149262 | PROTECTIVE COATINGS FOR SOLID INKJET APPLICATIONS - An aperture plate coated with a composition including a first monomer, a second monomer, a fluorinated compound, such as fluorosilane, fluoroalkyl amide, fluorinated ether and the like, and a photoinitiator, where the first and second monomer are different. A process of coating an aperture plate includes applying the compositions to a base film, such as a polyimide film, and curing the compositions on the base film. | 2010-06-17 |
20100149263 | SYSTEM AND METHOD FOR ACOUSTIC EJECTION OF DROPS FROM A THIN LAYER OF FLUID - Features described herein relate to ejecting drops from a thin layer of fluid. Piezoelectric elements can generate a uniform high acoustic field, which is transferred through a segmented metal support structure and an acoustic horn. The sound waves generate capillary waves on a thin layer of fluid on a top surface of the acoustic horn. At sufficiently high amplitudes, the capillary waves begin to break apart, resulting in the ejection of drops from the thin layer of fluid. | 2010-06-17 |
20100149264 | Liquid Ejecting Head, Liquid Ejecting Head Unit, and Liquid Ejecting Apparatus - A liquid ejecting head includes a nozzle plate that has a transparent property and includes a nozzle row in which a plurality of nozzle openings ejecting liquids are arranged in line, and a communicating path forming substrate that is bonded to the nozzle plate and has a communicating path communicating with the nozzle openings, wherein on a surface of one of the communicating path forming substrate and the nozzle plate bonded to a surface of the other thereof, a mark for identifying a nozzle opening as a reference for positioning is formed in the vicinity of the nozzle opening as a reference for positioning among the nozzle openings. | 2010-06-17 |
20100149265 | METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD - A liquid discharge head includes a member which is provided with a discharge port for discharging a liquid and made of a resin. Here, the member contains a plurality of inorganic particles. In addition, in a surface of the member on which the discharge port is opened, a density of the particles in a circumference of the discharge port is higher than that of the particles in the vicinity thereof. | 2010-06-17 |
20100149266 | Mems Integrated Circuit With Polymerized Siloxane Layer - A MEMS integrated circuit comprises: a silicon substrate having a passivated CMOS layer, a MEMS layer disposed on the passivated CMOS layer, and a polymer layer disposed on the MEMS layer. The CMOS layer comprises drive circuitry for actuating actuator devices in the MEMS layer and the polymer layer comprises a polymerized siloxane. | 2010-06-17 |
20100149267 | NOZZLE ASSEMBLY WITH THERMAL BEND ACTUATOR FOR DISPLACING NOZZLE - A nozzle assembly for an inkjet printhead includes a substrate assembly defining an ink inlet; a nozzle defining an opening through which ink is ejected, the nozzle including a crown portion and a skirt portion depending from the crown portion; wall portion extending from the substrate towards the nozzle and bounding the ink inlet; thermal bend actuator assembly mounted to the substrate assembly; and a lever arm extending from the thermal bend actuator to the nozzle, the lever arm supporting the nozzle above the wall portion. The thermal bend actuator assembly is adapted to actuate the lever arm such that the crown portion of the nozzle is displaced with respect to the wall portion, whereby ink contained in the nozzle is ejected out through the opening. | 2010-06-17 |
20100149268 | Inkjet Printer With Low Drop Volume Printhead - An inkjet printer with a printhead and an ink supply. The printhead has inkjet nozzles assemblies, which eject ink droplets having a drop volume of about 1 picoliter. The ink supply, which supplies ink to the nozzle assemblies, contains ink having a viscosity in the range of 0.7 to 15 centipoise and a surface tension in the range of 25 to 65 mN/m at a temperature of 25° C. | 2010-06-17 |
20100149269 | Modular Printhead Incorporating Alignment Mechanism For Printhead Module - A modular printhead includes a chassis; a plurality of printhead modules mounted in the chassis; a plurality of alignment mechanisms each corresponding to a respective printhead modules, each alignment mechanism being interposed between the chassis and a respective printhead module, each alignment mechanism including a lever provided on a first side of a fulcrum point of the lever and a printhead module engagement plate coupled to the lever at a second side of the fulcrum point; a plurality of adjuster blocks corresponding to respective alignment mechanisms, each adjuster block engaged with respective levers via an aperture defined through each lever; and a plurality of adjustment mechanisms corresponding to respective adjuster blocks, each adjustment mechanism coupled to the chassis at one end and to a respective adjuster block at another end. The lever and the printhead module engagement plate are formed as a unitary piece. Each alignment mechanism further includes a number of hinged arms facilitating linear and parallel movement of the engagement plate in a direction towards and away from adjacent printhead modules in response to operation of the adjustment mechanism. | 2010-06-17 |
20100149270 | MODULAR PRINTER ASSEMBLY WITH ARCUATE PRINTHEADS - A modular printer assembly includes a housing having an upper cover, a lower cover, a first side wall, and a second side wall opposing the first side wall; a pair of communication ports, a first communication port of the pair for connecting the modular printer assembly with a first external printer assembly, and the second communication port of the pair for connecting the modular printer assembly with a second external printer assembly, whereby the modular printer assembly is included in a daisy chain of printer assemblies; and a print engine having two printhead assemblies defining a media feed path therebetween, each of the two printhead assemblies having two arcuate printheads provided adjacent each other in a downstream direction. Each arcuate printhead has a radius of curvature approximating a radius of a respective roller assembly provided adjacent each arcuate printhead. | 2010-06-17 |
20100149271 | MODULAR, DUPLEXED PRINTER WITH SUBSTANTIALLY IDENTICAL PRINTHEAD ASSEMBLIES - A modular printer that has a housing with an upper and an lower cover to define a print media inlet at one end between the covers and a print media outlet at an opposite end between the covers. An inlet roller assembly is mounted proximate the print media inlet for feeding a web of print media into the housing. A pair of opposed inkjet printhead assemblies are mounted downstream of the inlet roller assembly to define a printing zone between the printhead assemblies. The inlet roller assembly is configured to feed the web of print media between the printhead assemblies. An exit roller assembly is proximate the print media outlet to feed the web of print media from the outlet. Each inkjet printhead assembly includes a series of substantially identical printhead modules. | 2010-06-17 |
20100149272 | UV-CURABLE COATINGS AND METHODS FOR APPLYING UV-CURABLE COATINGS USING THERMAL MICRO-FLUID EJECTION HEADS - An aqueous-based UV-curable fluid composition for use in a micro-fluid ejection device. The fluid composition includes a mixture of poly-functional compounds, a colorant compound, a photo-initiator and less than about 50 weight percent water based on a total weight of the fluid composition, wherein the fluid composition is substantially devoid of volatile organic carrier fluids. | 2010-06-17 |
20100149273 | INKJET PRINTHEAD INCORPORATING MULTIPLE HEATER ELEMENTS FOR WEIGHTED INK DROP EJECTION - A pagewidth printhead includes a printhead controller; a wafer substrate defining a plurality of inlets; and a plurality of micro-electromechanical nozzle arrangements on the wafer substrate and under control of the controller. Each nozzle arrangement includes side walls disposed on the wafer substrate with a roof portion attached to said side walls to define a printing fluid chamber in fluid communication with one inlet, the roof portion defining an ejection port; and at least two heater elements suspended between the side walls in the fluid chamber for forming a vapour bubble in response to electrical actuation energy being applied thereto, whereby a pressure increase in the chamber is effected and fluid in the fluid chamber ejected therefrom via the ejection port. The controller is configured to actuate the at least two heater elements individually to facilitate ejection of weighted ink drop volumes from the nozzle arrangement. A size of a first of the at least two heater elements is different to a size of a second of the at least two heater elements. | 2010-06-17 |
20100149274 | Energy Control Of A Nozzle Of An Inkjet Printhead - A nozzle assembly for an inkjet printhead is disclosed. The nozzle assembly includes an inkjet nozzle having an actuator for ejecting an ink droplet from the inkjet nozzle when a resistive element of the actuator is heated by an electrical current. A drive transistor provides an energy pulse to the resistive element of the actuator upon receipt of a control pulse. Each energy pulse has energy of less than 200 nanojoule. | 2010-06-17 |
20100149275 | PRINTHEAD INTEGRATED CIRCUIT ASSEMBLY WITH COMPENSATION CONTROLLER - A printhead integrated circuit assembly includes a substrate having a plurality of micro-electromechanical nozzle arrangements formed thereon, each micro-electromechanical nozzle arrangement including a nozzle chamber defined by a crown portion, a skirt portion, and a wall portion; a lever arm included with the micro-electromechanical nozzle arrangement, the lever arm connected at one end to the crown and skirt portions, and at another end to an actuator, the lever arm adapted to move the crown and skirt portions with respect to the wall portion; drive circuitry for supplying a current to the actuator, the current for heating a portion of the actuator to bend the actuator through thermal expansion; containment walls extending from the substrate to surround each micro-electromechanical nozzle arrangement; and a nozzle guard mounted on the containment walls to individually enclose therein, together with the containment walls, each micro-electromechanical nozzle arrangement, the nozzle guard defining therethrough a plurality of apertures aligned with nozzle openings of respective micro-electromechanical nozzle arrangements | 2010-06-17 |
20100149276 | NOZZLE CHAMBERS HAVING SUSPENDED HEATER ELEMENTS - An inkjet printhead is disclosed. The printhead includes a substrate, nozzle chambers formed on the substrate, and at least one heater element suspended in each nozzle chamber. | 2010-06-17 |
20100149277 | Ink Ejection Device With Circular Chamber And Concentric Heater Element - An ink drop ejection device with a bubble forming chamber for holding an ejectable liquid, a nozzle in fluid communication with the bubble forming chamber, and at least one heater element in the bubble forming chamber for thermal contact with the bubble forming liquid. Heating the heater element to a temperature above the boiling point of the bubble forming liquid forms a gas bubble to eject a drop of the ejectable liquid through the nozzle. The bubble forming chamber has a circular cross section and the heater element has arcuate sections that are concentric with the circular cross section. | 2010-06-17 |
20100149278 | Printhead Having Low Energy Heating Circuitry - A printhead is provided having a plurality of nozzles and heating circuitry for heating an ejectable liquid to cause ejection of the ejectable liquid from the nozzles. The heating circuitry is configured such that the energy required to be applied thereto to cause the ejection causes heating of the ejectable liquid of less than 40 degrees Celsius above ambient temperature. | 2010-06-17 |
20100149279 | INKJET NOZZLE ASSEMBLY HAVING HEATER ELEMENT BONDED TO CHAMBER WALL VIA DIELECTRIC LAYER - An inkjet nozzle assembly has a chamber with a nozzle opening for ejecting a liquid, a heater element disposed in the chamber, and a dielectric layer sandwiched between the heater element and a wall of the chamber. The dielectric layer has a thermal product of less than 1495 Jm | 2010-06-17 |
20100149280 | SUBSTRATE FOR INK EJECTION HEADS, INK EJECTION HEAD, METHOD OFMANUFACTURING SUBSTRATE, AND METHOD OF MANUFACTURING INK EJECTION HEAD - A liquid ejection head according to the present invention includes a heat-generating resistor layer, a first electrode layer, an insulating layer extending over the heat-generating resistive layers and the first electrode layer, and a second electrode layer that has a first portion which extending through the insulating layer and which is electrically connected to the first electrode layer and also has a second portion which is not in contact with the insulating layer. The second portion has a space or a piece of resin disposed between the insulating layer and the second electrode layer. | 2010-06-17 |