Patent application number | Description | Published |
20080238939 | Video compositing device and video output device - A video compositing device includes: a first video input unit configured to input a first video; a second video input unit configured to input a second video; a parameter input unit configured to input a parameter indicating a relative positional relationship between the first video input by the first video input unit and the second video input by the second video input unit when the first and second videos are composited; a video compositing unit configured to composite the first and second videos, in units of pixels, in accordance with the parameter input by the parameter input unit, to generate a composite video; and an output unit configured to output a composite video generated by the video compositing unit. | 10-02-2008 |
20080288693 | Parallel Processing Device and Exclusive Control Method - To provide a processor capable of achieving high processing efficiency by performing the exclusive control between task processing and interrupt handling properly even in a multiprocessor. An interrupt processor that includes a plurality of unit processors, in which at least of the plurality of unit processors is capable of performing interrupt handling requested from the outside is configured such that the unit processor P | 11-20-2008 |
20090207323 | PROJECTOR, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING PROJECTOR - A projector includes a light modulation section provided with a plurality of pixels arranged, and adapted to modulate light from a light source by the pixel, and when executing a keystone distortion correction on an image to be projected on a projection surface in response to an operation of an operation section, a maximum pixel area, which is a maximum area in which an image of the light modulation section is formed, and an image forming area in which the image to be the object of the keystone distortion correction is formed are projected simultaneously on the projection surface. | 08-20-2009 |
20090238490 | PROJECTOR, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING PROJECTOR - A projector adapted to correct a keystone distortion of an image, includes a frame memory adapted to store a pre-correction image, a block data storage memory adapted to store the precorrection image by block data that composed of M pixels in a first direction and N pixels in a second direction (M, N≧2), a correction section adapted to correct the pre-correction image based on the block data stored in the block data storage memory, and a control section adapted to perform control of obtaining the pre-correction image from the frame memory by the block data, and storing the obtained pre-correction image in the block data storage memory, and the control section obtains contiguous n×N (n≧2) lines of the image from the frame memory and stores the obtained image in the block data storage memory at the beginning of the correction process. | 09-24-2009 |
20100021080 | IMAGE PROCESSING DEVICE, IMAGE DISPLAY DEVICE, AND IMAGE DATA PRODUCING METHOD - An image processing device includes: a transformation ratio calculation unit which calculates transformation ratio of an image after transformation, the image after transformation being obtained by transforming an original image under predetermined rule; a filter coefficient calculation unit which calculates filter coefficients based on the transformation ratio; and a pixel value calculation unit which calculates the pixel value of each pixel in the image after transformation using the filter coefficients and outputs the pixel value of the image after transformation as image data after transformation. | 01-28-2010 |
20110216983 | PROJECTOR, PROJECTION TRANSFORM PROCESSING DEVICE, AND IMAGE PROCESSING METHOD IN PROJECTOR - A projector includes: a frame image storage unit that stores input image data input to the projector; a block image storage unit that stores a part of the input image data in terms of block image data including N×M (where N and M≧2) pixels; a correction processing unit that performs a correction process of correcting a distortion of the image projected onto the projection plane to generate corrected image data which is image data after correction on the basis of the block image data stored in the block image storage unit; and a block image predicting unit that, while the correction processing unit performs the correction process on a predetermined pixel, predicts the block image data necessary for the correction process on a pixel to be processed after the predetermined pixel. | 09-08-2011 |
20130021585 | PROJECTOR AND METHOD OF CONTROLLING PROJECTOR - A projector includes a deformation ratio calculating unit that calculates a first deformation ratio on a reference point set in a first image when performing a correction process with respect to a first image data, a deformation ratio determination unit that determines a second deformation ratio of the first image based on the first deformation ratio calculated by the deformation ratio calculation unit, a synthesis image generation unit that generates synthesis image data indicating a synthesis image which is generated by synthesizing a second image indicated by second image data and the first image with a size changed based on the second deformation ratio, a correction unit that performs a correction process with respect to the synthesis image data, and a projection unit that projects the synthesis image based on the synthesis image data which is subjected to the correction process. | 01-24-2013 |
20130265228 | INPUT DEVICE, DISPLAY SYSTEM AND INPUT METHOD - A projector detects a first input operation and a second input operation using an operation detection section, detects an operation position of the input operation in an operation area in which the input operation can be detected, and notifies the first operation and the operation position when the second operation is not detected within a predetermined time from when the first input operation is detected. | 10-10-2013 |
20140306939 | PROJECTOR AND CONTROL METHOD - A projector includes a projection section adapted to project a projection image on a projection surface, an imaging section adapted to generate a shot image obtained by shooting a range including the projection image projected by the projection section, a detection section adapted to detect a motion of the projector, and an execution section adapted to execute a predetermined process with respect to a calibration for making a correspondence between a coordinate system of the projection image and a coordinate system of the shot image in a case in which the detection section detects the motion of the projector. | 10-16-2014 |
Patent application number | Description | Published |
20110187049 | SHEET MATERIAL DETECTION APPARATUS AND RECORDING APPARATUS - A sheet material detection apparatus detects passage of a sheet material over a sheet material transportation path. The apparatus includes: a lever member that is exposed over the transportation path and turns from a reference position when the sheet material is brought into contact therewith; a detecting section that detects the turn of the lever member; a holder that supports the lever member in such a manner that the lever member can turn freely toward both sides in a direction of the transportation of the sheet material at a guide-facing-surface side, the guide facing surface being a surface facing a guide surface along which the sheet material is guided over the transportation path; and a counter weight with which the turning lever member is brought into contact, the counter weight turning due to contact with the lever member, the counter weight being thereafter brought into contact with the holder. | 08-04-2011 |
20110187050 | SHEET MATERIAL TRANSPORT APPARATUS AND RECORDING APPARATUS - A sheet material transport apparatus includes a second planetary gear engaging with a transmission gear and providing planetary motion around the transmission gear. The second planetary gear is in a second separated position not capable of engaging with a first planetary gear during forward-direction rotation. The transmission gear engages with the first planetary gear and rotates in a direction that causes a second transport roller to rotate in the forward rotation direction, and positioned to engage with the first planetary gear that is positioned in a first engaging position during reverse rotation. A load is placed on the transmission gear by the second transport roller. The transmission gear rotates in the opposite direction to the forward-direction rotation. The second planetary gear applies a force on the first planetary gear in the direction that separates the first planetary gear from the transmission gear due to rotation. | 08-04-2011 |
20110291349 | MEDIUM ACCOMMODATION CASSETTE AND RECORDING APPARATUS - A medium accommodation cassette includes: a medium accommodation portion that accommodates a medium; a wall portion of the medium accommodation portion; an edge guide that is provided in the medium accommodation portion to restrict a position of an end portion of the medium; and an engagement portion that is provided in the wall portion and can be engaged with the edge guide, wherein the edge guide is engaged with the wall portion, whereby the wall portion and the edge guide restrict the position of the end portion of the medium. | 12-01-2011 |
20110316224 | RECORDING APPARATUS - A recording apparatus includes a slider that has a cam face with which a cam of the stopper comes into sliding contact and moves in the insertion direction from a first position to a second position with a resistance when the cassette is inserted into the mounting unit. The cam face includes a first cam face on which the cam slides when the slider moves from the first position to the second position and a press cam face against which the cam presses when the paper sheet comes into contact with the stopper. The press cam face has an inclination relative to a reference straight line which is perpendicular to a plane parallel to the insertion direction of the cassette which is greater than that relative to a straight line which extends from the contact point between the press cam face and the cam to the shaft. | 12-29-2011 |
20130221600 | RECORDING APPARATUS - A recording apparatus includes a lower tray which is detachably mounted to an apparatus body, an upper tray provided above the lower tray, which is detachably mounted to the apparatus body, and a feeding roller capable of contacting each of a recording medium stored in the lower tray and the recording medium stored in the upper tray from above. The feeding roller is supported at an intermediate position, which is lower than a position of the feeding roller reached when the feeding roller contacts a bottom surface of the upper tray and higher than a position of the feeding roller reached when the feeding roller contacts a recording medium set as a top sheet in a state in which a maximum number of recording media are stored in the lower tray, in an unmounted state of the upper tray and the lower tray. | 08-29-2013 |
20130221608 | RECORDING MEDIUM FEEDING DEVICE AND RECORDING APPARATUS - A recording medium feeding device includes a lower stage side tray which stores a recording medium, an upper stage side tray which is provided above the lower stage side tray and stores the recording medium, a first separation inclined surface which is opposite to a tip of the recording medium which is stored in the lower stage side tray and the upper stage side tray and extends along a feed path of the recording medium, and a second separation inclined surface in which a trailing end in the feed path is positioned below a bottom surface of the upper stage side tray, and thus, which is opposite to the tip of the recording medium which is stored in the lower stage side tray and is not opposite to the tip of the recording medium which is stored in the upper stage side tray. | 08-29-2013 |
20130250022 | RECORDING MEDIUM FEEDING DEVICE AND RECORDING APPARATUS - A recording medium feeding device includes a tray in which accommodates a recording medium, which is attachable to and detachable from a device main body including a feeding unit; a stopper that is able to switch between a regulating state in which the stopper comes into contact with a leading edge of the recording medium which is accommodated in the tray to regulate a movement of the recording medium, and a regulating release state that enables the recording medium to be fed to a feeding path; and a switching unit that is engaged with the tray to switch the stopper from the regulating state to the regulating release state, wherein the switching unit includes engaging portions that engages with the tray, and wherein the engaging portions are disposed, being separated from the stopper at the both sides of the stopper in a width direction of the recording medium. | 09-26-2013 |
20140291913 | RECORDING APPARATUS - A printer includes a lower tray and an upper tray disposed above the lower tray. An optical sensor which detects the presence or absence of a sheet is disposed above the upper tray. The upper tray is disposed to be slidable. A sliding operation of the upper tray enables modes to be switched over between a mode where the optical sensor opposes the upper tray and a mode where the optical sensor opposes the lower tray. One sensor can detect the presence or absence of the sheet in multiple trays. | 10-02-2014 |
20140291914 | RECORDING APPARATUS AND MEDIUM FEEDING DEVICE - A printer includes a lower tray and an upper tray disposed above the lower tray. An optical sensor which detects the presence or absence of a sheet is disposed above the upper tray. The optical sensor is disposed in a roller support member which supports a feeding roller and serves as a swingable swing member. A distance between the optical sensor and the sheet is adjusted by swing of the roller support member according to the number of sheets. | 10-02-2014 |
20140292986 | RECORDING DEVICE - A printer includes a device main body having a recording head, and a double-sided printing unit that forms an inverting transport path for inverting a medium fed from the side on which the recording head is located and that is configured to be mountable in and removable from the device main body. A photosensor that detects paper within the double-sided printing unit when the double-sided printing unit is mounted in the device main body detects the paper within the double-sided printing unit via an opening provided in an upper area of the double-sided printing unit. | 10-02-2014 |
20140368594 | RECORDING APPARATUS - A printer includes an apparatus main body including a recording head, and a duplexing unit configured to be removable with respect to the apparatus main body and forming a reverse transport path in which a sheet fed from the recording head side is reversed. The sheet width (for example, width of A4 short side) able to be transported to a region opposing the recording head through the reverse transport path is smaller than the width (for example, width of A4 long side) of the manual supply path, and in a case where the sheet on which recording is performed warps in the width direction, the extent of the warping is restricted to a predetermined range. | 12-18-2014 |
Patent application number | Description | Published |
20100025912 | METHOD OF DETECTING SHEET IN TRANSPORT DEVICE, TRANSPORT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A transport device includes a set section, a sheet sensor, and a feeding member. When a detection member does not retract, the sheet sensor outputs an OFF-detection signal. The feeding member is displaced between a feed position and a non-feed position on the basis of the detection signal. At the feed position, the feeding member comes in contact with the sheet set in the set section from above and feeds the sheet toward the downstream side on a transport path. At the non-feed position, the feeding member is separated upward from the feed position. A method, which detects a sheet in the transport device, includes displacing the feeding member from the non-feed position to the feed position, and detecting that the sheet does not exist in the set section when an OFF-detection signal is output from the sheet sensor while the feeding member is positioned at the feed position. | 02-04-2010 |
20100025927 | TRANSPORT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A transport device, which transports a sheet set in a set section toward the downstream side on a transport path, includes a restricting member. The restricting member is provided at a set position of the sheet in the set section, and is displaced to restrict the sheet moving toward the downstream side on the transport path. The restricting member includes a restricting section that comes in contact with a front end of the sheet from the downstream side on the transport path, and is rotatable about a shaft extending along the transport path so as to be displaced between a first position where the restricting section protrudes on the transport path and a second position where the restricting section retracts from the transport path. | 02-04-2010 |
20120068400 | TRANSPORT DEVICE AND RECORDING APPARATUS - A transport device includes a stopper which comes into contact with a target ahead of a guide surface of a guide member and regulates movement of the target and a slider which slides by contact of the target with the stopper. The stopper has a first regulation surface with which the target comes into contact ahead of the guide surface of the guide member, and a second regulation surface which regulates the movement of the target which moves along the first regulation surface. A damper mechanism is connected to the slider and has a damper force that weakens kinetic energy by the target that the stopper receives. | 03-22-2012 |