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52nd week of 2008 patent applcation highlights part 25
Patent application numberTitlePublished
20080316185Wireless multiuser meeting/interactive class device with memory card connectors - A wireless multiuser meeting/interactive class device with memory card connectors. The device includes a host control end unit having a memory card connector wherein a memory card can be inserted. The host control end unit can pick up the data of the memory card to show the data on a display connected with the computer. The device further includes several sub-control end units each including a touch control handwriting pad section, a wireless transceiver unit and a memory card connector. The signals generated by the touch control handwriting pad section or the data picked up from the memory card inserted in the memory card connector are transmitted by the wireless transceiver unit. The wireless transceiver unit of the host control end unit serves to receive the signals or data to show the signals or data on the display connected with the computer.2008-12-25
20080316186Digital notepad - A digital notepad that is compact, lightweight, very portable, and readily useable for taking and storing digital handwritten notes. The digital notepad is a stand-alone device that instantly and digitally captures everything the user handwrites onto the screen with stylus, and stores it in real time. The device generally comprises a touch screen encased within a housing, and a pen-type stylus for writing on the screen. The device converts the handwritten notes into digital signals and stores the signals in the RAM. The user may retrieve stored notes with the scroll buttons, and delete retrieved notes by depressing the delete button with the stylus. The notepad is especially useful for jotting down notes, daily tasks, grocery lists, phone numbers, e-mail and home addresses, sketches, etc. while in the car; in class; and at a meeting, party, or professional event.2008-12-25
20080316187Touch panel device and method for manufacturing touch panel devices - Each of transducers of a touch panel device includes a piezoelectric thin film, a plate electrode disposed at one surface of the piezoelectric thin film and a comb-like electrode disposed at the other surface of the piezoelectric thin film. The comb-like electrode has a plurality of comb-like electrode fingers and a linear bus electrode to which one end of each of the plural comb-like electrode fingers is connected. A plurality of wiring electrodes is provided at the outer side of any of the transducers in parallel with the bus electrode of the transducer and is connected to the bus electrode and the plate electrode of any of the transducers. Each of the wiring electrodes includes an electrode base portion formed by printing silver paste containing fine particles on the substrate and an electrode main body formed by printing silver paste containing large particles and fine particles in a mixed manner on the electrode base portion.2008-12-25
20080316188LIQUID CRYSTAL DISPLAY COMPRISING DRIVING CIRCUIT UNIT - There is provided a liquid crystal display comprising a driving circuit unit. The driving circuit unit has an adaptor and an inverter for converting an input voltage integrally configured with each other. Thus, the liquid crystal display is made small. The liquid crystal display can stably and efficiently display an image through a smaller liquid crystal when an external voltage is supplied to each circuit.2008-12-25
20080316189DISPLAY DEVICE - A display device includes a display panel assembly that includes a plurality of pixels and a plurality of signal lines connected to the pixels, and a driver that includes a plurality of stages connected with one another for sequentially generating output signals in synchronization with a plurality of clock signals. Portions of the plurality of stages output the output signals to the display panel assembly.2008-12-25
20080316190Video Outputting Apparatus and Mounting Method - Disclosed is a video outputting apparatus including: a first display controlling section; and a second display controlling section for displaying predetermined image information during a period from a time when a power source is turned on to a time when the video information is displayed, wherein: the second display controlling section includes a reference clock generating circuit, a nonvolatile memory, and a controlling circuit including a plurality of external terminals for setting display setting information; the display setting information is set by a combination of setting of the plurality of external terminals; and the controlling circuit allows the displaying section to display the predetermined image information stored in the nonvolatile memory on a basis of the display setting information set by the plurality of external terminals in accordance with the generated reference clock signal.2008-12-25
20080316191DISPLAY CONTROL APPARATUS AND DISPLAY CONTROL METHOD - Playback which allows the user to easily grasp playback contents is implemented by a simple method while shortening the playback time in a display control apparatus capable of sequentially playing back drawn contents. This invention relates to a display control apparatus connected to a display. The display control apparatus includes a first acquisition unit which acquires an operation information table and drawing object information table from a recording device connected to the display, a second acquisition unit which acquires, from a playback method setting table, a playback method for playing back drawn contents on the display by using the operation information table and drawing object information table acquired by the first acquisition unit, and a playback unit which plays back the drawn contents on the display by using the operation information table and drawing object information table based on he acquired playback method.2008-12-25
20080316192IMAGE DISPLAY DEVICE - An image display device has a display pixel area having plural pixels arranged in a matrix fashion, plural signal lines for supplying display signal voltages to the pixels, and plural pixel selection lines for selecting pixels from among the pixels to be supplied with the display signal voltages. The pixel selection lines include Y-direction selection lines for selecting rows of the pixels arranged in the matrix fashion and X-direction selection lines for selecting columns of the pixels, and the image display device includes a circuit configuration in which the display signal voltages are supplied from the signal lines to only ones of the pixels each having selected simultaneously both of a corresponding one of the Y-direction selection lines and a corresponding one of the X-direction selection lines.2008-12-25
20080316193Demultiplexer and Display Device Using the Same - A display device includes a demultiplexer. The demultiplexer programs time-divided and sequentially input data currents to at least two signal lines. The demultiplexer includes first and second sample/hold circuits for alternately sampling data currents and holding sampled data corresponding to the sampled data, and third and fourth sample/hold circuits for respectively sampling the sampled data held by the first and second sample/hold circuits and programming the current which correspond to the sampled data to the two signal lines.2008-12-25
20080316194REFERENCE VOLTAGE SELECTION CIRCUIT, DISPLAY DRIVER, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - A reference voltage selection circuit includes a first switch element SW2008-12-25
20080316195GATE DRIVING CIRCUIT AND POWER CONTROL CIRCUIT - A gate driving circuit and a power control circuit are disclosed. The gate driving circuit includes a gate driver and the power control circuit. The gate driver is adapted for receiving a starting signal and sequentially outputting a plurality of scan signals accordingly. The power control circuit includes a delay circuit, a level shifter and a switch unit. The delay circuit is adapted for receiving and delaying the starting signal for a predetermined period and then outputting the delayed starting signal. The level shifter receives and adjusts a voltage level of the delayed starting signal, and outputs a starting voltage accordingly. The switch unit provides the first power to the gate driver after being delayed for the predetermined period according to the starting voltage.2008-12-25
20080316196DISPLAY DEVICE AND DRIVING CIRCUIT FOR DISPLAY DEVICE - A driving circuit for a display device for selectively outputting a driving voltage positive or negative with respect to a given reference voltage of the display device in accordance with an image signal, includes an input stage circuit; and an output stage circuit for outputting a driving voltage between a given high voltage and a first intermediate voltage or a driving voltage between a second intermediate voltage and a given low voltage in accordance with a pair of output stage control signals output from the input stage circuit.2008-12-25
20080316197CONSERVING POWER IN A COMPUTER SYSTEM - A computer system may comprise a processor, a chipset, and a memory. The processor may enter low-power mode based on the occurrence of pre-specified events. A graphics controller of the chipset may drive the display such as the LVDS display panel to a self-refresh mode and then enter low-power mode. The display may refresh the pixels with the data persevered prior to entering the self-refresh mode. The memory and a memory controller of the chipset may also enter low-power mode. The graphics controller may enter normal mode after the processor enters the normal mode and may pull back the display to the normal mode.2008-12-25
20080316198Display Device, Viewing Angel Control Device, and Electronic Apparatus - A portable phone has a main LCD and a SW-LCD, provided on a path of light to be transmitted by the main LCD, which electrically switches between (i) an image to be seen in a single image display mode and (ii) an image to be seen in a multiple image display mode. Furthermore, a first polarization plate serving as a reflective polarization plate is provided between the SW-LCD and the main LCD, and a second polarization plate is provided on a front surface side of the SW-LCD. The SW-LCD has a liquid crystal layer to which a voltage is applied in the multiple image display mode. With this, an image displayed by an image display can be seen from a front direction. In addition, the image displayed by the image display is blocked by the second polarization plate when the image is seen from the an oblique direction, and outside light from the oblique direction is reflected by the first polarization plate, so that a mirror surface display is carried out.2008-12-25
20080316199CIRCUIT SYSTEM FOR READING MEMORY DATA FOR DISPLAY DEVICE - To reduce power consumption and enhance memory-data transmission efficiency, the present invention provides a circuit system for reading memory data for a display device includes a memory, a data bus and a latch circuit. The memory is used for storing pixel data corresponding to a plurality of pixels and outputting the pixel data according to an output control signal. The data bus is used for transferring the pixel data outputted by the memory. The latch circuit is coupled to the data bus and used for receiving the pixel data from the data bus. The latch circuit includes a plurality of latchers and a plurality of logic circuits. The plurality of latchers is used for storing the pixel data. The plurality of logic circuits is used for performing logic operations on the pixel data stored in the plurality of latchers according to a reading control signal.2008-12-25
20080316200Method for running computer program on video card selected based on video card preferences of the program - A parameter relating to the video card preferences of a target computer program is determined. In response to the target computer program being started on a computing device having a number of video cards, one of these video cards is selected to run the target computer program on, based on the parameter. The target computer program is then run on the video card selected. The parameter may include the specific identify of one of the video cards on which the target computer program is to be run, as well as other types of parameters that do not specifically identify any of the video cards. The video card preferences of the target computer program may also include video card requirements of the target computer program.2008-12-25
20080316201Systems and Methods for Displaying Three-Dimensional Images - Systems and methods for displaying three-dimensional (3D) images are described. In particular, the systems can include a display block made from a transparent material with optical elements three-dimensionally disposed therein. Each optical element becomes luminous when illuminated by a light ray. The systems can also include a computing device configured to generate two-dimensional (2D) images formatted to create 3D images when projected on the display block, by a video projector coupled to the computing device. The video projector is configured to project the 2D images on the block to create the 3D images by causing a set of the passive optical elements to become luminous. Various other systems and methods are described for displaying 3D images.2008-12-25
20080316202DIRECT MANIPULATION OF SUBDIVISION SURFACES USING A GRAPHICS PROCESSING UNIT - A graphics system allows for manipulation of a detail mesh for a subdivision surface. To deform the subdivision surface, the graphics system generates a corresponding deformed control mesh by attempting to satisfy both position constraints of the manipulation and Laplacian constraints for the detail mesh. After the deformed control mesh is generated, the deformed detail mesh can be generated by applying a subdivision function to the deformed control mesh to generate a deformed smooth mesh and then applying detail information to the deformed smooth mesh.2008-12-25
20080316203INFORMATION PROCESSING METHOD AND APPARATUS FOR SPECIFYING POINT IN THREE-DIMENSIONAL SPACE - An information processing method includes measuring a line-of-sight direction of a user as a first direction, specifying a first point based on the first direction, calculating a three-dimensional position of the first point, setting a first plane based on the three-dimensional position of the first position, measuring a line-of-sight direction of the user after the setting of the first plane as a second direction, specifying a second point included in the first plane based on the second direction, and calculating a three-dimensional position of the second point.2008-12-25
20080316204SYSTEM AND METHOD OF COMPUTER-AIDED DESIGN OF A 3D OBJECT MODELED BY GEOMETRIES - A computer program, system and method of computer-aided design of a 3D object. The 3D object is modeled by: (i) cells, the cells being restrictions of geometries of the model; and (ii) a cell graph comprising relations between the cells, which relations capture a topology of the model. The invention system edits an initial model by interacting with a user to identify intended displacements of initial geometries of the model. The system then selects the cells which are restrictions of the geometries to be displaced. Cells adjacent to the selected cells are collected according to the cell graph. Some of the adjacent cells are excluded by means of predefined rules. A solver computes transformations to be applied to initial geometries, from the intended displacements and geometries whose collected cells are restrictions thereof. Lastly the system builds new geometries according to the transformations and initial geometries.2008-12-25
20080316205Drawing standards management and quality control - The method of the present invention comprises an on-line single source of CADD standards information from a network based user interface application, accessible from within a CADD drawing application, to deliver CADD drawing standards information to a CADD drawing, and any other information that may be included in a feature table or other compilation of standards information at the request of the client. In addition, the interactive capability of the network user interface application of the present invention further provides CADD standards information that is centrally managed, controlled and accessible at one source via a network connection.2008-12-25
20080316206Drawing standards management and quality control - The computer implemented business method for marketing a CADD standards management system of the present invention comprises providing a CADD user with a centralized distributive control system for managing, controlling and updating CADD standards from a single source, permitting interactive input from a client, enabling data analysis of information included with the standards, and marketing the products of that system.2008-12-25
20080316207Computer-readable storage medium having stored therein image processing program and image processing apparatus - A shell texture image shared for use among multilayer shell polygons and including a plurality of areas having transparency different from one another, is distorted to varying degrees depending on a position of each layer of the shell polygons, so as to texture-map each layer of the shell polygons therewith and so as to position the multilayer shell polygons in a virtual three-dimensional space. Thus, it is possible to realistically represent hair, grass, and the like with little effort in three-dimensional image processing.2008-12-25
20080316208PERPENDICULAR VIEW THREE DIMENSIONAL ELECTRONIC PROGRAMMING GUIDE - A method and apparatus of displaying an Electronic Programming Guide (EPG). In one embodiment, an EPG is constructed of a three dimensional virtual mesh, in which independent objects representing television programs are situated. The virtual mesh is displayed perpendicularly, so that the hardware requirements of the set top box (STB) may be reduced. A user can navigate the mesh to find television programs that they wish to view. A user can designate the types of television programs that they prefer, and these programs will be displayed more prominently. In addition, the mesh is constructed of at least two planes. The first plane is flat, while all other planes are hyperbolic to correct for a viewer's line of sight.2008-12-25
20080316209Image-Based Viewing System - Systems and methods are disclosed for visualizing changes in a three dimensional (3D) model by receiving an initial 3D model; determining a target 3D model; and generating one or more intermediate 3D models by morphing one or more of the 3D models.2008-12-25
20080316210SIGNAGE DISPLAY SYSTEM AND PROCESS - The invention is a novel display system, for signage and the like. An apparatus and process is provided for displaying a static source image in a manner that it is perceived as an animated sequence of images when viewed by an observer in relative motion to the apparatus. The source image is sliced or fractured to provide a plurality of image fractions of predetermined dimension. The fractions are redistributed in a predetermined sequence to provide an output image, which is placed in a preferably illuminated display apparatus provided with a mask. An observer in relative motion to the display apparatus, sequentially views a predetermined selection of image fractions through the mask, which are perceived by the observer as a changing sequence of images. Applying the concepts of persistence of vision, the observer perceives the reconstructed imagery as live action animation, a traveling singular image or a series of static images, or changing image sequences, from a plurality of lines of sight.2008-12-25
20080316211Adaptive and Dynamic Text Filtering - A device sensor determines an external state of a device. Text to be displayed on a display screen of the device is dynamically filtered based on the external state of the device.2008-12-25
20080316212System and method for a user interface for text editing and menu selection - Methods and system to enable a user of an input action recognition text input system to edit any incorrectly recognized text without re-locating the text insertion position to the location of the text to be corrected. The System also automatically maintains correct spacing between textual objects when a textual object is replaced with an object for which automatic spacing is generated in a different manner. The System also enables the graphical presentation of menu choices in a manner that facilitates faster and easier selection of a desired choice by performing a selection gesture requiring less precision than directly contacting the sub-region of the menu associated with the desired choice.2008-12-25
20080316213TOPOLOGY NAVIGATION AND CHANGE AWARENESS - An apparatus and method are described for displaying a topological graph that allows a user to navigate through a history of previous topology displays to increase the user's understanding and awareness of the state of the topology. In a preferred embodiment, a topology display mechanism receives state changes to a topology of a computer network and stores a sequence of graphs that reflect the changes that are made to the topology. The topology display mechanism also allows the user to step through the sequence of stored topology graphs using “video” type controls to change the display of the topology graphs. In other embodiments, the topology display mechanism displays the changes in the topology as a sequence of graphs that form an animation to give the user a graphical visualization of the changes from one topology graph in the sequence to the next.2008-12-25
20080316214PREFIX SUM PASS TO LINEARIZE A-BUFFER STORAGE - The architecture implements A-buffer in hardware by extending hardware to efficiently store a variable amount of data for each pixel. In operation, a prepass is performed to generate the counts of the fragments per pixel in a count buffer, followed by a prefix sum pass on the generated count buffer to calculate locations in a fragment buffer in which to store all the fragments linearly. An index is generated for a given pixel in the prefix sum pass and stored in a location buffer. Access to the pixel fragments is then accomplished using the index. Linear storage of the data allows for a fast rendering pass that stores all the fragments to a memory buffer without needing to look at the contents of the fragments. This is then followed by a resolve pass on the fragment buffer to generate the final image.2008-12-25
20080316215Computing device for running computer program on video card selected based on video card preferences of the program - A computing device includes a number of video cards. The computing device also includes a mechanism to determine one or more parameters relating to video card parameters of a target computer program. The mechanism is to select a video card from the video cards of the computing device based on the parameters, and is to run the target computer program on the video card selected.2008-12-25
20080316216Computing system capable of parallelizing the operation of multiple graphics processing pipelines (GPPLS) supported on a multi-core CPU chip, and employing a software-implemented multi-mode parallel graphics rendering subsystem - A computing system capable of parallelizing the operation of multiple graphics processing units (GPUs) supported on external graphics cards, employing a software-implemented multi-mode parallel graphics rendering subsystem. The computing system includes (i) CPU memory space for storing one or more graphics-based applications, (ii) a multi-core GPU chip including one or more CPU-cores, a memory controller for controlling the CPU memory space, and an interconnect network, and (iii) one or more external graphics cards supporting multiple GPUs and being connected to the multi-core CPU chip by way of a data communication interface. The computing system also includes (i) one or more graphics cards supporting multiple GPUs and being connected to the multi-core CPU chip by way of a data communication interface, (ii) the multi-mode parallel graphics rendering subsystem supporting multiple modes of parallel operation, (iii) a plurality of graphic processing pipelines (GPPLs) implemented using some of the CPU-cores, and (iv) an automatic mode control module. During the run-time of the graphics-based application, the automatic mode control module automatically controls the mode of parallel operation of the MMPGRS, so that the GPUs are driven in a parallelized manner.2008-12-25
20080316217Hard/Soft Frame Latency Reduction - Procedures for minimizing video latency using different frame rates are described. In an implementation, a video captured at a first frame rate is obtained. At least one frame of the video is eliminated and the resultant video, with the eliminated at least one frame is processed as if the video were captured at a slower frame rate than the first frame rate.2008-12-25
20080316218Remote graphics rendering across a network - A method for remotely displaying 2008-12-25
20080316219Processing composite data by expansion - A computer system for processing composite data is provided. The system includes means for processing a computing operation that is designed to receive a non-composite data type as at least one input. The composite data is provided to the computing operation as the at least one input. The system further includes an expansion marker that indicates each element in a first composite data needs to be processed separately and an expansion mechanism that uses the computing operation to process each element in the first composite data individually. The system also includes storage for storing a result of processing each element of the first composite data individually with the computing operation.2008-12-25
20080316220Common modules for DDRII SDRAM and DDRIII SDRAM - A common module for a double data rate-synchronous II synchronous dynamic random access memory (DDRII SDRAM) and a DDRIII SDRAM applied in a computer is provided. The common module includes a first bus, a termination circuit card, a first slot, and a second slot. The first bus transmits a plurality of signals. The termination circuit card comprises a plurality of termination resistors. The first slot is disposed on the common module and coupled to the first bus. The DDRII SDRAM is installed in the first slot. The second slot is disposed on the common module and coupled to the first bus. The DDRIII SDRAM or the termination circuit card is installed in the second slot. When the DDRII SDRAM is installed in the first slot, the termination circuit card is installed in the second slot.2008-12-25
20080316221Down-sampled image display - A memory controller of an apparatus repeatedly retrieves a down-sampled file of a digitally captured image from a non-volatile memory for refresh of a raster display screen.2008-12-25
20080316222DISPLAY DEVICE CALIBRATION SYSTEM - A display device calibration system is provided. The overall color response of a display family is characterized, and the idiosyncratic color response characteristics of the display family are determined. The idiosyncratic color response characteristics of the display family are related to respective idiosyncratic color response points. Individual idiosyncratic color response point values for an individual member of the display family are determined. The color response of the individual member of the display family is specified from the individual idiosyncratic color response point values of the individual member of the display family and the overall color response of the display family.2008-12-25
20080316223IMAGE GENERATION METHOD - A plurality of samples having different pairs of a background color and a text color, and entry fields provided in correspondence with the individual samples and configured to be filled in by a user are printed on a sheet. After the user has filled in the sheet, the sheet is read and analyzed, and color conversion based on the analysis result is performed. The user can view the samples printed on the sheet and can select one of the samples. Thus, even if default colors used for displaying or printing are colors that are difficult to distinguish for the user, the default colors can be reliably changed into desired colors to perform displaying or printing.2008-12-25
20080316224COLOR LEVEL GRAPHICAL USER INTERFACE - A graphical user interface for performing color correction and methods for implementing the color correction are disclosed. The graphical user interface allows a user to adjust the colorspace of the pixels in the image. In one embodiment, a color adjustment pad allows the user to push the pixels from a particular luminance level a desired magnitude towards a desired hue. Pixels from other luminance levels are affected proportionally. The graphical user interface further allows a user to adjust the luminance of the pixels in the image. A luminance adjustment slider allows the user to adjust the luminance of pixels from a selected luminance level by a relative amount. Pixels from other luminance levels have their luminance are affected in a manner proportional to a difference between the selected luminance level value and the luminance value of the other pixel.2008-12-25
20080316225METHOD FOR REQUESTING AND VIEWING A ZOOMED AREA OF DETAIL FROM AN IMAGE ATTACHMENT ON A MOBILE COMMUNICATION DEVICE - A process is set forth for viewing an enlarged area of an image. The image is stored on a server and re-sized for viewing on a mobile communication device based on screen size and color display capabilities of the device. The image is enlarged within the server by modifying binary raw data of the original image based on crop rectangle coordinates entered at the mobile communication device. The process allows users to quickly retrieve any relevant part of a large image attachment that has been resized by the server. This minimizes bandwidth usage, device memory/CPU consumption, and request/response latency while still allowing the user to view an image area in its original level of detail.2008-12-25
20080316226Method For Displaying High Resolution Image Data Together With Time-Varying Low Resolution Image Data - A method allowing display of time-varying merged high resolution and low resolution image data with a smooth frame rate. In one embodiment the high resolution data is structural image data and the low resolution image data is functional image data. The functional image data is gathered (2008-12-25
20080316227User defined characteristics for inheritance based avatar generation - The generation of characters within computer animations is currently a labor intensive and expensive activity for a wide range of businesses. Whereas prior art approaches have sought to reduce this loading by providing reference avatars, these do not fundamentally overcome the intensive steps in generating these reference avatars, and they provide limited variations. According to the invention a user is provided with a method for establishing the physical characteristics of an avatar by using a process based upon inheritance. The inheritance based avatar generator allows, for example, the user to select a first generation of four grandparents based upon selected characteristics, the generator thereupon determining the physical characteristics of a second generation, being the parents of the final avatar, and then determining the physical characteristics of the third generation off-spring. Accordingly the invention provides animators with a means of rapidly generating avatars from a pool of previously generated avatars.2008-12-25
20080316228Content Optimization for Receiving Terminals - The invention discloses a method, server and a computer program for optimizing content delivered to a variety of terminal devices. In the solution disclosed in the invention, a user is able to create exact layouts and optimize the amount of content to different media environments simultaneously.2008-12-25
20080316229CONTENT DISPLAY METHOD, CONTENT DISPLAY PROGRAM AND CONTENT DISPLAY DEVICE - An area dividing section divides a display area into two areas having random dimensions. One of the divided display areas is further divided into two with random dimensions. This division is continued until the number of divided display areas reaches the number of content information to be displayed.2008-12-25
20080316230SYSTEM AND METHOD FOR SCALING NAVIGATION INFORMATION OF A USER'S SELECTION - A scaling system for showing navigation information on a display includes a selection module configured for selecting a target zone on the display; a scanning module configured for identifying a leftmost point, a rightmost point, an uppermost point, and a lowermost point of the target zone; a positioning module configured for positioning a midpoint of the target zone to a central point of the display; and a controlling module configured for magnifying/reducing the target zone.2008-12-25
20080316231Method and System for Line By Line Addressing of RMS Responding Display Matrix with Wavelets - A method for line-by-line addressing of RMS responding display matrix with wavelets, said method comprises steps of: selecting the wavelets such that energy of them is proportional to an integer power of two to form an orthogonal matrix; obtaining select waveform profile by summing elements of column in the wavelet matrix; obtaining column waveforms by dot product of data with column of the wavelet matrix; and applying the select waveforms and the corresponding column waveforms by selecting one row of the display matrix at a time.2008-12-25
20080316232METHOD OF DRIVING ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - A method of driving an organic light emitting diode (OLED) display device that displays grayscales in a time-division manner and can prevent the occurrence of false contours and flickers at an interface between neighboring grayscales when displaying sequential images, such as moving images, at a high speed. The method is an interlaced scanning method in which a single frame is divided into an odd-numbered field and an even-numbered field that are sequentially driven, and includes dividing each of the odd-numbered field and the even-numbered field into x sub-frame groups; dividing each of a plurality of sub-frames corresponding to bits of driving data into y divided sub-frame portions; and disposing the y divided sub-frame portions in different ones of the x sub-frame groups.2008-12-25
20080316233Computer system and method for rendering a display with a changing color frequency spectrum corresponding to a selected frequency spectrum - Embodiments provide methods and systems for selecting a frequency spectrum (e.g. a changing color frequency spectrum) to be emitted by a display device of a computer system and for rendering a display on the display device by emitting light corresponding to the selected (color) frequency spectrum. Other embodiments may also be described.2008-12-25
20080316234Method of driving electro-optical device, source driver, electro-optical device, projection-type display device, and electronic instrument - A method of driving an electro-optical device that drives a source line of the electro-optical device based on K-bit (K is an integer equal to or larger than two) grayscale data includes, when data of a most significant bit of the grayscale data is first data, generating converted grayscale data by converting data of lower-order (K-L) bits (K>L, L is a positive integer) of the grayscale data so that a code word distance between the data of the lower-order (K-L) bits of the grayscale data before conversion and the data of the lower-order (K-L) bits of the grayscale data after conversion is equal to or less than (K-L); and driving the source line based on a grayscale signal corresponding to the converted data in a first polarity drive period, and driving the source line based on a grayscale signal corresponding to data obtained by converting higher-order L bits of the converted data so that a code word distance between data of the higher-order L bits of the converted data before conversion and the data of the higher-order L bits of the converted data after conversion is equal to or less than L in a second polarity drive period.2008-12-25
20080316235Multi-Primary Color Display Device and Liquid Crystal Display Device - A display device which exhibits functional effects in which color separation between sub-pixels constituting a pixel is hardly recognized and white line display is easily recognized as one line, in enlargement of the color reproduction range in image display using multi-primary colors, and thereby improves display quality, and provides a liquid crystal display device including such a display device. The display device displays an image constituted by pixels each including sub-pixels of four or more colors, wherein the pixels constituting the display device mainly include a pixel arranging a sub-pixel of a color having the highest brightness value in a central region of the pixel.2008-12-25
20080316236APPARATUS AND METHODS FOR WATER-BASED INK PRINTING - A printer that includes at least one printhead mounted to a carriage of a printing system, and a secondary ink container mounted to the carriage and which holds an ink and is in fluid communication with the at least one printhead. A pressure source in fluid communication with the secondary ink container provides a pressure to the secondary ink container during a purging operation to cause the ink to flow from the at least one printhead. The secondary ink container has a large enough volume to hold a sufficient amount of ink for a purge operation of at least about seven seconds. The secondary ink container has a minimum ink level, and an inlet that is located below the minimum ink level so as to minimize aeration of the ink as it flows through the inlet. The printer can also include a manifold having a pair of inlets, each inlet providing ink to a respective printhead, and a connector which connects the secondary ink container to the manifold, and diverts the ink to the respective manifold inlets before the ink enters the manifold. A filter can be used to filter the ink before it enters the secondary ink container, the filter having a vertical orientation to minimize the accumulation of air in the filter.2008-12-25
20080316237INKJET IMAGE FORMING APPARATUS AND METHOD TO CONTROL THE SAME - An inkjet image forming apparatus includes a print head, an ink supply unit, an ink supply flow path connecting the ink supply unit and the print head, an ink supply amount detector which detects the amount of ink supplied through the ink supply flow path, and a controller which controls a maintenance operation of the print head according to the amount of supplied ink detected by the ink supply amount detector. The controller determines the states of nozzles of the print head according to the amount of supplied ink and cleans the nozzles using supersonic waves or performs wiping and spitting of the nozzles, thereby achieving efficient maintenance.2008-12-25
20080316238Liquid Discharge Apparatus and Liquid Discharge Method - A liquid discharge apparatus. Each of a plurality of first nozzle rows includes a plurality of nozzles disposed in a predetermined direction that discharge cyan or magenta liquid. Each of a plurality of second nozzle rows includes a plurality of nozzles disposed in the predetermined direction that discharge yellow liquid. The number of second nozzle rows is smaller than the number of first nozzle rows. The first nozzle rows form cyan or magenta dots at pixels on a medium. The second nozzle rows form yellow dots at pixels whose number is smaller than the number of pixels at which the first dots are formed.2008-12-25
20080316239INKJET PRINTHEAD INTEGRATED CIRCUIT - A printhead IC is provided which has an array of nozzles, drive circuitry for receiving print data and sending drive pulses of electrical energy to the array of nozzles in accordance with the print data, a temperature sensor connected to the drive circuitry to adjust the drive pulse profile in response to the temperature sensor output and open actuator test circuitry for selectively disabling the actuators when they receive a drive signal while comparing the resistance of the resistive heater to a predetermined threshold to assess whether the actuator is defective. During use, the temperature sensor can be de-activated after a period of use.2008-12-25
20080316240METHOD OF CONTROLLING A CONTROL CIRCUIT FOR A MICRO-ELECTROMECHANICAL INKJET NOZZLE ARRANGEMENT - Provided is a method of controlling a CMOS-implemented control circuit for operating a micro-electromechanical inkjet nozzle arrangement of a printer. The circuit includes a plurality of sequential shift registers, a transfer register, a firing control gate and a drive transistor. The method includes the steps of transferring data from the shift register to the transfer register, latching the data in said transfer register, activating the firing control gate to arrange a heater element of the nozzle arrangement in electrical communication with a current source to facilitate ink ejection via thermal cavitation of ink in the nozzle.2008-12-25
20080316241NOZZLE ASSEMBLY FOR 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 shift register comprising a plurality of successive registers is also included. The shift register receives input data in a first register, and shifts the input data to successive registers upon receipt of a shift signal. A transfer register latches data in one of the registers of the shift register. A control gate outputs a control pulse in response to data in the transfer register. A drive transistor provides an energy pulse to the resistive element of the actuator upon receipt of the control pulse.2008-12-25
20080316242Control 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 shift register comprising a plurality of successive registers, the shift register receives input data in a first register, and shifts the input data to successive registers upon receipt of a shift signal, a transfer register for latching data in one of the registers of the shift register; a control gate for outputting a control pulse in response to data in the transfer register, and a drive transistor for providing an energy pulse to the resistive element of the actuator upon receipt of the control pulse. Each energy pulse has a pulse voltage of less than 10 Volt.2008-12-25
20080316243PRINTHEAD IC WITH DE-ACTIVATABLE TEMPERATURE SENSOR AND MAINTENANCE MODE - A printhead IC is provided which has an array of nozzles, drive circuitry for receiving print data and sending drive pulses of electrical energy to the array of nozzles in accordance with the print data, and a temperature sensor connected to the drive circuitry to adjust the drive pulse profile in response to the temperature sensor output. During use, the temperature sensor can be de-activated after a period of use. The drive circuitry is configured to operate in two modes, a printing mode in which the drive pulses it generates are printing pulses, and a maintenance mode in which the drive pulses are de-clog pulses, such that, the de-clog pulse has a longer duration than the printing pulse.2008-12-25
20080316244UV curable ink with improved adhesion - The present invention is drawn to photo-curable ink-jet ink compositions, systems, and methods. One exemplary ink-jet ink composition includes a liquid vehicle, a milled pigment, a photo initiator and a halogenated polyolefin. In this embodiment, the addition of the halogenated polyolefin improves adhesion to a non-porous substrate or a low surface tension substrate such as polypropylene.2008-12-25
20080316245IMAGE FORMING APPARATUS TO PRINT ACCORDING TO A PLURALITY OF IMAGE FORMING TYPES - An image forming apparatus having a first image forming unit and a second image forming including a printing medium supplier which supplies a printing medium, a selection guide which selectively guides the printing medium from the printing medium supplier to one of a first supplying path of the first image forming unit and a second supplying path of the second image forming unit, and a first feed roller which is disposed between the selection guide and the printing medium supplier, and transfers the printing medium from the printing medium supplier to the selection guide.2008-12-25
20080316246METHOD FOR CALIBRATING AN INK SENSE RESPONSE IN AN APPARATUS CONFIGURED TO FACILITATE OPTICAL INK SENSING - A method for calibrating as ink sense response of an optical ink sensor device in an imaging apparatus configured to facilitate optical ink sensing for an ink tank having an ink sensing window includes obtaining a calibration response to a reference reflective surface having a known reflectivity, which is associated with a printhead carrier of the imaging apparatus that carries the ink tank, using the optical ink sensor device; and calibrating the ink sense response based on the calibration response.2008-12-25
20080316247Method for increasing printhead reliability - A maintenance method for an ink jet imaging device comprises ejecting drops from a plurality of ink jets to successively form a plurality of images on the image receiver. Inter-image intervals between the ejection of drops to form one image in the plurality of images and the ejection of drops to form a successive image in the plurality of images are detected. A plurality of drops is ejected from at least a portion of the ink jets in the plurality of ink jets during at least one detected inter-image interval. The plurality of ejected drops having at least one drop ejecting characteristic selected from: a drop mass for the plurality of drops being greater than a standard drop mass; a drop ejecting frequency for the plurality of drops being lower than a standard drop ejecting frequency; and a substantially sequential drop ejecting pattern for the plurality of drops.2008-12-25
20080316248METHOD AND APPARATUS TO DETECT TEMPERATURE OF PRINTHEAD FOR INKJET PRINTER - A method and apparatus to detect the temperature of an inkjet head are provided. A method of detecting the temperature of an inkjet head, comprising detecting an amount of printing data allocated to each of a plurality of unit head chips of the inkjet head, determining a detection frequency of temperature information on each of the plurality of unit head chips according to the detected amount of printing data, and detecting the temperature information on each of the plurality of unit head chips according to the determined detection frequency.2008-12-25
20080316249LIQUID SEALING STRUCTURE, MANUFACTURING METHOD OF THE SAME, LIQUID CONTAINER, REFILLED LIQUID CONTAINER, AND REFILLING METHOD OF THE SAME - A liquid sealing structure includes: a liquid lead-out portion which has a liquid passage and an opening end surface formed in a liquid lead-out end of the liquid passage; a sealing member which is disposed on the opening end surface inside the liquid passage; a valve mechanism which is disposed inside the sealing member in the liquid passage to close the liquid passage; and a sealing film which covers the liquid passage and the opening end surface of the liquid lead-out portion and is thermally welded to the opening end surface and the sealing member, wherein a notch portion for passing a liquid lead-out member which is inserted into the liquid passage to open the valve mechanism is formed in the sealing film.2008-12-25
20080316250IMAGE FORMING APPARATUS - An image forming apparatus including a printing ink tank to contain a printing ink, a nozzle unit having a nozzle part to eject the printing ink and to move between a printing section and a cleaning section, a cleaning ink tank to contain a cleaning ink to clean the nozzle part, and a control part to control supply of the printing ink to the nozzle part when the nozzle unit is positioned in the printing section and to control supply of the cleaning ink to the nozzle part when the nozzle unit is positioned in the cleaning section. The Image forming apparatus may further include a cleaning ink collecting unit which collects the cleaning ink discharged from the nozzle part and returns the collected cleaning ink to the cleaning ink tank.2008-12-25
20080316251PRINT HEAD CLEANING DEVICE AND INK-JET IMAGE FORMING APPARATUS HAVING THE SAME - A print head cleaning device and an ink-jet image forming apparatus having the same are disclosed. The ink-jet image forming apparatus includes a print head having a nozzle part to eject an ink, and a print head cleaning device to clean the nozzle part. The print head cleaning device includes a cleaning liquid tank to store a cleaning liquid, a cleaning bath mounted below the nozzle part to be supplied with the cleaning liquid from the cleaning liquid tank, a connecting tube to connect the cleaning liquid tank to the cleaning bath, a pump connected to the connecting tube to circulate the cleaning liquid, a sensing tube mounted in a portion of the connecting tube and provided with a flow passage through which the cleaning liquid flows, a moving member mounted within the flow passage of the sensing tube so as to move by the flow of the cleaning liquid, and a sensor to sense the movement of the moving member. Accordingly, it can be easily ascertained whether the cleaning liquid is smoothly supplied, by sensing the movement of the moving member in the sensing tube mounted within the cleaning liquid supply passage.2008-12-25
20080316252INK-JET IMAGE FORMING APPARATUS - An ink-jet image forming apparatus includes a main body, an ink-jet head mounted in the main body and provided with a nozzle part, and a cleaning device mounted movably along the nozzle part to clean the nozzle part. The cleaning device includes a roller to supply a cleaning liquid to the nozzle part, and a wiper to wipe the nozzle part. The ink-jet head includes a cleaning liquid nozzle to supply the cleaning liquid to the roller, and a cleaning liquid storage part to store the cleaning liquid.2008-12-25
20080316253LIQUID EJECTION APPARATUS AND METHOD OF INSPECTING CLEANING APPARATUS OF LIQUID EJECTION APPARATUS - The liquid ejection apparatus has: a liquid ejection head which includes a nozzle plate forming a nozzle surface in which nozzles ejecting droplets of a first liquid are provided; a wiping member which wipes the nozzle surface; an edge determination device which includes a determination plate with which a front tip portion of the wiping member wiping the nozzle surface can make contact, and determines an edge shape of the front tip portion of the wiping member according to a state of the determination plate; and a judgment device which judges timing of replacing the wiping member, according to the edge shape determined by the edge determination device.2008-12-25
20080316254WASTE INK CONTAINER, WASTE INK STORING APPARATUS AND INKJET PRINTER INCLUDING THE SAME - A waste ink container includes a container main body which forms a chamber to accumulate waste ink therein. An upper plate covers an upper part of the chamber and includes an opening to introduce a plurality of waste ink droplets therethrough. A waste ink containment device includes a discharge preventing unit which is adjacent to the opening and extends from the upper part of the chamber to inhibit the waste ink droplets from being discharged through the opening.2008-12-25
20080316255FLEXIBLE WIRING MEMBER, LIQUID DROPLET JETTING HEAD, AND METHOD FOR CONNECTING FLEXIBLE WIRING MEMBER AND DEVICE - A flexible wiring member which connects a device and an external signal source has a plurality of wire members in which a plurality of wires are formed on one surface of a substrate, and a plurality of wire members is stacked to face the device. A plurality of bumps for connecting with the device are provided to the wires on a surface, of the wirings, facing the device. Bumps of one of the wire members overlapping with the other of the wire members face the device via the through hole formed in the other of the wire members. Accordingly, it is possible to realize high densification of wires in the flexible wiring while suppressing a rise in a cost.2008-12-25
20080316256PRINTHEAD ASSEMBLY WITH SANDWICHED POWER SUPPLY ARRANGEMENT - A printhead assembly is provided for a printer system. The printhead assembly includes an elongate substrate defining a channel and spaced apart sets of ink supply holes. An ink distribution arrangement is located within the channel and is configured to distribute ink to the sets of ink supply holes. A first plate is in engagement with the substrate to hold the ink distribution arrangement within the channel. A power supply arrangement is also located within the channel. A second plate is in engagement with the substrate so that the power supply arrangement is sandwiched between the plates and held within the channel.2008-12-25
20080316257Ink-jet head having passage unit and actuator units attached to the passage unit, and ink-jet printer having the ink-jet head - An ink-jet head having a passage unit including pressure chambers each having one end coupled to a nozzle and the other end to be coupled to an ink supply source. The pressure chambers are arranged along a plane to neighbor each other. The ink-jet head further includes actuator units attached to a surface of the passage unit for changing the volume of each pressure chamber. Each actuator unit includes pressure generation portions respectively corresponding to pressure chambers, and is formed to extend over the pressure chambers. The actuator units are arranged along the longitudinal direction of the passage unit so that each neighboring actuator units partially overlap each other in the lateral direction of the passage unit. Each actuator unit has a basic region where many pressure generation portions are formed in a matrix, and an additional region neighboring the basic region in the lateral direction of the passage unit. In the additional region, pressure generation portions are formed to correspond to a gap portion between the pressure generation portions in the basic region of the actuator unit and the pressure generation portions in the basic region of another actuator unit neighboring that actuator unit.2008-12-25
20080316258Computer readable medium with a program for minimizing banding artifacts in an ink jet printing apparatus - A computer readable medium contains a program for causing a printer to execute a multipass printing method characterized in that, on any given pass, the number of selected print locations onto which printing ink is deposited by each of N nozzles varies from nozzle to nozzle. The variation is governed in accordance with a weighted smoothing spline function, particularly a polynomial B-spline function of the order “j”, where j is a value equal to one less than the number of passes.2008-12-25
20080316259Ink jet printing apparatus having a programmed controller that minimizes banding artifacts - A multipass printing apparatus is characterized by a computer-implemented controller that controls printing operation so that, on any given pass, the number of selected print locations onto which printing ink is deposited by each of N nozzles varies from nozzle to nozzle. The variation is governed in accordance with a weighted smoothing spline function, particularly a polynomial B-spline function of the order “j”, where j is a value equal to one less than the number of passes.2008-12-25
20080316260PAGEWIDTH PRINTER HAVING AN ELONGATE BI-LITHIC PRINTHEAD UNIT - Provided is a pagewidth printer having an elongate bi-lithic printhead unit. The unit includes two integrated circuits laid end-to-end, each having a multitude of micro-electromechanical nozzles for operatively ejecting printing fluid, and an ink distribution plate for feeding printing fluid into apertures defined in the integrated circuits. The unit also includes an ink distribution molding defining a plurality of elongate conduits for distributing printing fluid to the plate along a length of the printhead, and an end plug configured for fitment onto an end of the distribution molding to arrange said conduits in fluid communication with ink reservoirs. The unit further includes a printed circuit board (PCB) configured to relay data signals from a printer controller to respective ends of the integrated circuits.2008-12-25
20080316261DROPLET PRINTING APPARATUS USING CAPILLARY ELECTRIC CHARGE CONCENTRATION - A droplet printing apparatus using capillary electric charge concentration includes a reservoir which contains a solution, a capillary nozzle comprising a back-end part and a front-end part disposed substantially opposite the back-end part, a target member spaced apart from the front-end part of the capillary nozzle at a predetermined distance, and a voltage supplier which supplies a voltage to the solution, wherein the back-end part is immersed in the solution and transmits the solution to the front-end part.2008-12-25
20080316262COMPACT NOZZLE ASSEMBLY FOR AN INKJET PRINTER - 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, and control logic controls the drive transistor. The drive transistor, control logic and inkjet nozzle covers an area of less than 20,000 μm2008-12-25
20080316263PRINTHEAD INTEGRATED CIRCUIT WITH HIGH DENSITY ARRAY OF DROPLET EJECTORS - An inkjet printhead that has an array of droplet ejectors supported on a single printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The array has a nozzle aperture density of more than 100 nozzle apertures per square millimetre and all the nozzle apertures are formed in a printhead surface layer on one face of the printhead IC.2008-12-25
20080316264PRINTHEAD INTEGRATED CIRCUIT WITH NOZZLES IN THIN SURFACE LAYER - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The array has a nozzle aperture density of more than 100 nozzle apertures per square millimetre and all the nozzle apertures are formed in a printhead surface layer on one face of the printhead IC.2008-12-25
20080316265PRINTHEAD INTEGRATED CIRCUIT WITH HIGH DENSITY ARRAY OF DROPLET EJECTORS - An inkjet printhead that has an array of droplet ejectors supported on a single printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The printhead IC also has drive circuitry for providing the actuators with power, the drive circuitry having patterned layers of metal separated by interleaved layers of dielectric material. The layers of metal being interconnected by conductive vias, wherein the drive circuitry has more than two of the metal layers and each of the metal layers are less than 2 microns thick.2008-12-25
20080316266PRINTHEAD INTEGRATED CIRCUIT WITH SMALL NOZZLE APERTURES - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The nozzle apertures each have an area less than 600 microns squared.2008-12-25
20080316267PRINTHEAD INTEGRATED CIRCUIT WITH LOW POWER OPERATION - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. When printing 100% coverage at full print rate, each of the actuators has an average power consumption less than 1.5 mW.2008-12-25
20080316268PRINTHEAD WITH LOW POWER DRIVE PULSES FOR ACTUATORS - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. When printing 100% coverage at full print rate, each of the actuators has an average power consumption less than 1.5 mW.2008-12-25
20080316269MICRO-ELECTROMECHANICAL NOZZLE ARRANGEMENT HAVING CANTILEVERED ACTUATORS - The invention provides for a micro-electromechanical nozzle arrangement for an inkjet printhead. The arrangement includes a substrate defining an inverted pyramidal ink chamber with a vertex thereof terminating at an ink supply channel defined by the substrate, said substrate having a layer of CMOS drive circuitry. The arrangement also includes a roof structure connected to the drive circuitry layer and covering the ink chamber, the roof structure defining a fluid ejection nozzle rim above said chamber. Also included is a plurality of actuators fast with and displaceable with respect to the roof structure, the actuators radially spaced about the nozzle rim between the guide rails. Each actuator has a serpentine heater element configured to expand thermally upon receiving current from the drive circuitry thereby moving said actuators into the chamber to increase a fluid pressure inside the chamber to eject a drop of ink via the ejection nozzle. Each actuator is cantilevered to a heater element in a bendable manner.2008-12-25
20080316270PRINTHEAD ASSEMBLY FOR RE-DIRECTING INK DROPLETS - A printhead assembly includes a printhead, in turn, including a plurality of ink ejection nozzles. A nozzle guard is formed from hydrophobic photoresist and is mounted to the printhead. The nozzle guard defines a plurality of channels located in register with respective nozzles so that droplets of ink from the nozzles can be bounced off internal walls of the channels during printing.2008-12-25
20080316271NOZZLE ARRANGEMENT FOR AN INKJET PRINTER WITH INK WICKING REDUCTION - Provided is nozzle arrangement for an inkjet printer. The arrangement includes a wafer substrate defining a supply channel and chamber side and roof walls positioned on the substrate, said walls defining a nozzle chamber operatively supplied with ink via the supply channel, a nozzle rim defined in the roof wall. The arrangement also includes a thermal bend actuator attached to said substrate via a post, the actuator passing through a slot defined in a wall of the chamber, the actuator ending in an ejection paddle inside the chamber, said actuator configured to operatively eject ink from the nozzle chamber. The arrangement further includes a poker extending from the paddle towards the nozzle rim such that an ink meniscus is formed between the rim and the poker, as well as an actuator slot protection barrier mounted on the actuator proximate the slot and configured to reduce ink wicking on the nozzle rim during ejection of ink from the nozzle rim.2008-12-25
20080316272INK JET HEAD AND PRODUCTION PROCESS THEREOF - An ink jet head is constituted by a recording element substrate, comprising ejection outlets for ejecting ink, to which an electrical connecting portion is provided at an outer portion of the recording element substrate; an electric wiring member having an end portion to be electrically connected to the electrical connecting portion; a supporting member comprising an outer surface, a first recess which is provided in the outer surface to accommodate the recording element substrate, and a second recess which is provided in the outer surface in a depth less than that of the first recess to accommodate the end portion of the electric wiring member; and a sealant for sealing a spacing between the second recess and the end portion of the electric wiring member.2008-12-25
20080316273ELECTRONIC APPARATUS AND FLEXIBLE WIRING MEMBER - An electronic apparatus includes an electrical load and a flexible wiring member, on which a circuit element is mounted, and which transmits a signal from an external signal source to the electrical load via the circuit element, by a plurality of electroconductive wires. The flexible wiring member is a band-shaped member, and on one surface of the flexible wiring member, an output electrode for connecting to the electrical load is formed in an area facing the electrical load and a connecting electrode for mounting the circuit element is formed in a drawing area in which the electroconductive wires are drawn from the electrical load. An opening is formed in the drawing area and the flexible wiring member is folded such that the circuit element is exposed, through the opening to a side of the other surface of the flexible wiring member.2008-12-25
20080316274LIQUID DROPLET JETTING APPARATUS - A liquid droplet jetting apparatus includes a jetting head unit having a nozzle which jets liquid droplets; an electric circuit board having a wiring and a circuit component which are connected to the jetting head unit and having one surface which is electrically insulated from the wiring and the circuit component; and a box-shaped head holder which supports the jetting head unit and the electric circuit board and has an opening. The jetting head unit and the electric circuit board are electrically connected with each other in the head holder; the jetting head unit is fixed to the head holder so as to airtightly close an inside of the head holder; and the electric circuit board is fixed to the head holder to airtightly close the inside of the head holder, with the one surface of the electric circuit board facing the outside of the head holder.2008-12-25
20080316275PRINTHEAD ASSEMBLY HAVING REMOVABLE PRINTHEAD MODULES - Provided is a printhead assembly having a number of printhead modules each having a plurality of support members and modular printhead tiles mounted thereon with each tile having a plurality of micro-electromechanical nozzle assemblies for operatively printing on a printing medium. The assembly also includes a ducting assembly having a laminated stack of layers, each layer of the stack having a number of apertures which, when the layers are stacked, provide ducts whereby ink is able to flow from an ink reservoir to the nozzle assemblies. Also included is a casing having a support frame in which the printhead modules are arranged so as to be removably mounted in linearly aligned relationship through removable engagement of a support member of each printhead module with the support frame. Each support member has a first tab received in a recess of the support frame and a second tab clamped between the support frame and a mounting element mounted to the support frame to allow constrained movement of the relevant printhead module relative to the casing. The assembly further has a number of electrical connector assemblies for operatively connecting the respective printhead tiles to power and data.2008-12-25
20080316276PRINTHEAD INTEGRATED CIRCUIT HAVING AN INK EJECTION MEMBER WITH A LAMINATED STRUCTURE - A printhead integrated circuit (IC) for an inkjet printer. The printhead IC has a wafer substrate with drive circuitry and a plurality of nozzle arrangements located thereon. Each nozzle arrangement includes nozzle chamber structures defining a nozzle chamber and an ink ejection nozzle in fluid communication with said nozzle chamber, as well as an elongate actuator attached to the substrate for displacement towards and away from the substrate in response to actuating signals from the drive circuitry. Each arrangement also includes an ink ejection member attached to the actuator, the ejection member being positioned for acting on ink within the nozzle chamber to eject a drop of ink from the ink ejection nozzle. Each elongate actuator further includes an actuator arm of a laminated structure comprising a resiliently flexible inner layer, a conductive layer and a compensation layer, the inner layer being interposed between the conductive and compensation layers.2008-12-25
20080316277MICRO-FLUID EJECTOR PATTERN FOR IMPROVED PERFORMANCE - A micro-fluid ejection head and method for reducing a stagger pattern distance and improving droplet placement, on a receiving medium. The micro-fluid ejection head includes a substrate containing a plurality of ejection actuators on a device surface thereof and a fluid supply slot for providing fluid to be ejected by the micro-fluid ejection head. The ejection head also includes a flow feature component in flow communication with the fluid supply slot and configured for providing fluid ejection chambers and fluid supply channels for the fluid ejection chambers. Adjacent first and second ejection actuators in a substantially linear array of ejection actuators are each spaced a first distance from the fluid supply slot and second and third ejection actuators in the linear array of ejection actuators are each spaced a second distance from the fluid supply slot that is less than the first distance.2008-12-25
20080316278Ink Jet Print Head With Improved Reliability - An ink jet print head is provided having an ink chamber and a nozzle plate closing the ink chamber at an end comprising a nozzle for ejecting a drop of ink through it. The nozzle plate further includes an ink path for flowing an ink through in a direction parallel with the nozzle plate and passing the inner end of the nozzle. This ink flow is in excess of that required for replenishing the ejected drops of ink in the ink chamber and may flow continuously passed the inner end of the nozzle and along the ink path to refresh the ink that is used for ejecting through the nozzle.2008-12-25
20080316279LIQUID EJECTION HEAD AND IMAGE FORMING APPARATUS - A liquid ejection head includes a nozzle plate having a nozzle that ejects liquid drops, an actuator that deforms a portion of the nozzle plate surrounding the nozzle with heat, and a flow path member opposing the nozzle plate, which forms a flow path for guiding liquid to the nozzle. A fluidity resistance path is provided in the flow path between a nozzle plate portion surrounding the nozzle and a portion of the flow path member opposing the nozzle plate portion. A fluidity resistance of the fluidity resistance path is changed by deforming the nozzle plate portion.2008-12-25
20080316280Liquid discharging head, method of manufacturing liquid discharging head, and image forming apparatus - A liquid discharging head includes: a plurality of nozzles that discharge liquid droplets; and a plurality of piezoelectric elements that generate pressure for discharging liquid droplets from the respective nozzles, wherein the piezoelectric elements are performed with repolarization process to set non-uniformity of the droplet discharging characteristics of the nozzles to be in a predetermined range by combining adjustment of a polarization sensitivity and adjustment of a polarization voltage for each of the piezoelectric elements.2008-12-25
20080316281Piezoelectric Printhead - Contemplated printheads include a piezoelectric material in which a channel is formed across the piezoelectric material to thereby create at least part of the nozzle through which ink is expelled from the inside of the printhead to the outside. Contemplated nozzles may be configured as cylindrical elements or ring-shape elements. Consequently, application of a voltage across the piezoelectric channel may result in constriction of the cylindrical element or convex/concave deformation of the ring-shape element. Most preferably, the piezoelectric material, conductive traces, and supporting structures are applied from a liquid phase to a carrier, and shaped using photolithographic methods.2008-12-25
20080316282INSTALLING FLUID CONTAINER IN FLUID EJECTION DEVICE - A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The plurality of holders is disposed inside the container case. Each of a plurality of holders includes an incline panel that inclines toward the inside base plane, and the fluid-containing pack rests on the incline panel.2008-12-25
20080316283INSTALLING FLUID CONTAINER IN FLUID EJECTION DEVICE - A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid container; a fluid ejection unit; a delivery needle; a guard cover; and a guide. The fluid container includes a container portion and a withdrawal portion. The container portion contains a fluid for ejection, and the withdrawal portion allows withdrawal of the fluid contained in the container portion. The fluid ejection unit ejects a fluid onto an ejection target. The delivery needle provides a flow passage which communicates with the fluid ejection unit. The guard cover projects over the delivery needle. The guide mates with the fluid container, and then slidably guides the withdrawal portion toward a locking position where the delivery needle sticks through the withdrawal portion.2008-12-25
20080316284INSTALLING FLUID CONTAINER IN FLUID EJECTION DEVICE - A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft.2008-12-25