Abstract: A mobile device is provided with access to peripheral devices networked at a wireless hotspot. The mobile device is authenticated to a service provider server using a wireless network at the wireless hotspot. An authorization is received from the service provider server to the peripheral devices networked at the wireless hotspot, and the mobile device wirelessly accesses services of an authorized peripheral device via the wireless network at the hotspot.
Abstract: A CT scanner which can reconstruct high-quality tomographic images using only the projected images obtained by scanning an object without requiring any special three-dimensional phantom is provided. A two-dimensional radiation sensor placed to face a radiation source via the object acquires projected images while relatively rotating the object in the radiation emitted from the radiation source. Tomographic images are obtained at one predetermined slice position of the object by performing, for each of geometrical calibration parameter values, reconstruction of a tomographic image of the object using one of the calibration parameter values based on acquired projected images. One of the calibration parameter values is selected based on the obtained tomographic images. A tomographic image is reconstructed at each slice position by using a selected calibration parameter value based on a projected image at each acquired slice position of the object.
Abstract: The method of scalable coding of moving images using at least one reference image for at least one image to code, comprises, at least on passing, for a so-called “current” image, from an initial quality level to an intended quality level different from the initial quality level: a step (705) of coding the current image as far as the intended quality level to provide a coded current image, a step (710) of reconstructing the current image at the intended quality level to provide a reconstructed current image of intended quality level, a step (715) of obtaining at least one reference image of the current image at the initial quality level, to provide a prediction image for the initial quality level, a step (720, 725) of determining a differential texture refinement depending on the prediction image for the initial quality level and on the reconstructed current image of intended quality level and a step (730) of coding the differential texture refinement.
March 20, 2007
Date of Patent:
December 25, 2012
Canon Kabushiki Kaisha
Fabrice Le Leannec, Xavier Henocq, Patrice Onno
Abstract: A sensor includes a movably supported movable element and an opposing member, and sensor detects a relative positional relationship between the movable element and the opposing member which are provided with a spacing therebetween. The opposing member has an impurity-doped portion which is provided at either an opposing portion, which is opposed to the movable element, or an adjoining portion, which adjoins the opposing portion. At least a part of the impurity-doped portion is formed on an opposite surface (that is, opposite to a surface that faces the movable element), from which opposite surface an electrical wiring is led out.
Abstract: A printing apparatus is controlled to generate a pulse signal so that a print medium conveyance speed detected by an encoder comes close to a target speed. The duty of the generated pulse signal is calculated every predetermined timing. When a sensor detects the leading end of the print medium, the duty of the pulse signal input to a feed motor is stored in a memory. It is determined whether the difference between the calculated duty and the stored duty has exceeded a predetermined value. If the difference has exceeded the predetermined value, supply of the pulse signal stops. When supply of the pulse stops, a conveyance roller is driven.
Abstract: A region of a latent image and that of a background image in a first dot image are converted into binary data so as to have different binary data, and a region of the latent image in the binary data is converted into dot data by expressing that region as dots. A second dot image is converted into outline data by removing dots of a region corresponding to the region of the latent image to form an outline region. The converted dot data and converted outline data are composited to generate a dot image including the outline data as a latent image and the dot data as a background image.
Abstract: A sheet conveying apparatus including: a sheet conveying path through which a sheet is conveyed; a sensor unit configured to output a signal according to a characteristic of the sheet which is conveyed through the sheet conveying path; a pressure unit configured to press the sheet against the sensor unit; and a moving member protruding into the sheet conveying path, the moving member being moved by being pushed by the sheet passing through the sheet conveying path, wherein the pressure unit is interlocked with the moving member so that the sheet is pressed by the pressure unit against the sensor unit when the moving member is not pushed by the sheet, and a pressure force on the sheet applied by the pressure unit is released or reduced when the moving member is pushed by the sheet.
Abstract: An optical element comprising a vacuum-sintered body comprising a plurality of particles each having a two-layer structure comprising a ceramic particle and a coating layer, wherein the ceramic particle comprises LnxAlyO[x+y]×1.5, where Ln represents a rare-earth element, x represents 1?x?10, and y represents 1?y?5, and has an average particle diameter of 1 ?m or more and 10 ?m or less, and wherein the coating layer comprises a ceramic having a lower sintering temperature than a sintering temperature of the ceramic particle.
Abstract: This invention provides an image processing system and image processing method, which can acquire a document such as a paper document or the like as data of a format that allows easy re-use and re-edit processes. Image information is acquired by scanning a document, and its features are recognized. The image information is converted into character codes, vector data, or a predetermined image format in accordance with the recognized features. In this case, parameters used upon recognizing the features of the image information are variably set, and the operations of the character process, vectorization, and image conversion are controlled in accordance with the set parameters.
Abstract: A vibration wave driving device comprises a vibrator having an electromechanical conversion device, a supporting member for supporting the vibrator, and a driven member brought into contact with a part of the vibrator driven frictionally by vibration excited in the vibrator: the supporting member comprising a vibration portion vibrating together with the vibrator, a fixation portion for fixing the supporting member, and a support portion for connecting the vibration portion with the fixation portion and supporting the vibrator; and the support portion being comprised of a laminate of sheets.
Abstract: Provided is an angular velocity sensor including: a reference vibrator supported so as to generate reciprocating rotational vibration about a first rotation axis as a center; a detection vibrator supported by the reference vibrator so as to generate reciprocating rotational vibration about a second rotation axis, which is different from the first rotation axis, as a center; a reference vibration generating unit for allowing the reference vibrator to generate reciprocating rotational vibration; and a detection unit for detecting a displacement amount of the detection vibrator with respect to the reference vibrator, which is in association with the reciprocating rotational vibration of the detection vibrator.
Abstract: A raster image processor (RIP) can process data for one page for each of a plurality of small areas, and handles each individual small area as a display list. Each individual display list holds information required to determine a rendering resolution. The RIP renders a small area including a text object with a high resolution, and a small area which does not include any text object with a low resolution. The RIP renders the respective small areas with the designated resolutions, and temporarily holds the rendering results in a memory for respective small areas. Upon generating a page image, the RIP directly transfers the high-resolution rendering result to a page memory. The RIP transfers the low-resolution rendering result to the page memory with applying an enlarging pixel process to the rendering result.
Abstract: A test strip for testing a blood sample is provided with a fluid transport feature to facilitate transport of a blood sample obtained from a lancing operation through a capillary channel to a measurement site. A fluid transport path is defined on the major face of the strip terminating at the mouth of the capillary channel. The fluid transport path includes a depending portion at one end opposite the mouth of the channel. The depending portion extends away from the strip on the side facing the fluid sample, such that a droplet of fluid sample contacting the depending portion is directed toward the mouth of the capillary channel. Thereafter the sample moves by capillary action to the measurement site.
Abstract: An active-matrix display apparatus includes an image display unit in which pixels are arranged in a matrix in row and column directions, a column control circuit group including thin-film transistors, the column control circuit group being configured to output a data signal to columns of the pixels, and a control-signal generating circuit including a thin-film transistor, with the control-signal generating circuit being configured to output a first control signal controlling the column control circuit group. The column control circuit group is controlled by the first control signal and a second control signal delayed from the first control signal, and the first control signal is generated by the control-signal generating circuit, then input into the column control circuit group, and then propagated through the column control circuit group. The second control signal is generated on the basis of the first control signal which has been propagated through the column control circuit group.
Abstract: A substrate supporting apparatus includes a pallet on which a substrate is mounted, a pallet double-end holding mechanism holding both ends of the pallet in a diameter direction while the pallet is in a vertical posture, a pallet center holding mechanism rotatably holding a center section of the pallet, and a moving mechanism moving an apparatus body, wherein the pallet double-end holding mechanism is a mechanism that grips both ends of the pallet in the diameter direction from both sides of a thickness direction, the pallet double-end holding mechanism holds the pallet during movement, the pallet is held by both of the holding mechanisms during delivery from the pallet double-end holding mechanism to the pallet center holding mechanism, and the pallet center holding mechanism rotatably holds the center section of the pallet and holding by the pallet double-end holding mechanism is released during substrate processing.
Abstract: An image forming apparatus includes a photosensitive member; a corona charger, provided with an opening opposing the photosensitive member, for electrically charging the photosensitive member; image forming means for forming an image on the photosensitive member electrically charged by the corona charger; a sheet-like member for covering and uncovering the opening of the corona charger with respect to the photosensitive member; and control means for controlling a rotating operation of the photosensitive member so as to be started at a predetermined time in a period from start of an opening operation of the sheet-like member for starting image formation to end of the opening operation of the sheet-like member.
Abstract: This invention enables the suppression of block noise even at an intermediate resolution equal to or lower than the original resolution and further increases the number of directly decodable resolutions for higher convenience. For this purpose, a memory stores original image data photographed by an image sensing unit. A resizing unit generates resized image data by reducing the numbers of horizontal and vertical pixels of the original image data stored in the memory to ½ and stores the image data in the memory again. An image compression unit encodes the original image data and the resized image data by HD Photo®. A CPU puts the two encoded data into one file and stores it in a nonvolatile memory card connected to an output unit.
Abstract: A method for forming an etching mask comprises irradiating a focused ion beam onto a surface of a substrate and forming an etching mask used for oblique etching including an ion containing portion in the irradiated region. A method for fabricating a three-dimensional structure comprises preparing a substrate, irradiating a focused ion beam onto a surface of the substrate and forming an etching mask including an ion-containing portion in the irradiated region, and dry-etching the substrate from a diagonal direction using the etching mask and forming a plurality of holes.
Abstract: This invention is to provide a technique of always obtaining a stable output image in image formation using toner. A supplier (1217) supplies toner in a decided toner supply amount. A developing device (1206) agitates the supplied toner and supplies the agitated toner to an electrostatic latent image formed on a photosensitive drum (1203), thereby developing a toner image on the photosensitive drum (1203). A correction amount calculation unit (1106) estimates the toner charge amount by calculating a function model that approximates the variation characteristic of the toner charge amount using the toner consumption necessary for printing a print target image, the toner supply amount necessary for printing the print target image, and the toner agitation time. At least one of an image processing condition and a process condition is controlled using the estimated toner charge amount.
March 11, 2011
Date of Patent:
December 18, 2012
Canon Kabushiki Kaisha
Hideki Kubo, Jun Hirabayashi, Megumi Ito, Sumito Tanaka
Abstract: In an image forming apparatus that reads an original and forms an image of the original that has been read, a skew amount of the original is calculated when the original has been read and a shift amount of each color of image data in image formation is obtained from a storage unit. A color shift correction amount for correcting color shift in an output image is calculated based on the calculated skew amount and the stored shift amount of each color, and the color shift is corrected based on that color shift correction amount.