Patent application number | Description | Published |
20110075226 | Image Processing Apparatus - An image processing apparatus is provided. The image processing apparatus includes a lower unit, an upper unit, a joint piece to connect the upper unit with the lower unit, a flat cable, and a holder piece, which is movable with respect to one of the upper unit and the lower unit when the upper unit is moved with respect to the lower unit. The holder piece includes a first opening, a second opening, and a path connecting the first opening and the second opening to hold the flat cable therein in a curved posture. When the upper unit is vertically moved, the holder member is vertically moved with respect to the one of the upper unit and the lower unit by shifting a range of curvature in the flat cable as the flat cable is pulled out of and withdrawn in the holder member. | 03-31-2011 |
20110075229 | Image Reader - An image reader includes a loading unit including a first transparent member that has a loading surface on which a document sheet is placed, a reading unit that includes light receiving elements arranged in a first direction under the first transparent member and is configured to move in a second direction parallel to the loading surface and perpendicular to the first direction and to read an image from the document sheet placed on the loading surface by repeating an operation of scanning the document sheet in the first direction with the light receiving elements while moving in the second direction, and a black reference member including a black area that is disposed in a position lower than the loading surface of the first transparent member and higher than the light receiving elements and configured to be read in acquiring black reference data for black level correction. | 03-31-2011 |
20110242621 | Image Reading Apparatus - An image reading apparatus having a lower unit with a controller and an upper unit rotatably attached to the lower unit to rotate about a rear end of the upper unit is provided. The upper unit includes a sheet conveyer, an upper image reader connected with the controller via a flat cable, and an external covering. A rearward-extending section of the flat cable extends rearward from the upper image reader and is drawn in an area below a part of a frame of the sheet conveyer and to a rear section of the upper unit to reach an inner surface of the external covering at the rear end of the upper unit. A widthwise-extending section of the flat cable extends from the rear end of the upper unit along the inner surface of the external covering in a direction orthogonal to reach an outlet of the upper unit. | 10-06-2011 |
Patent application number | Description | Published |
20080231753 | Noise reducer for video signals - A noise reducer for a signal determines a direction of correlation for each picture element (pixel) by calculating sums of absolute differences between a block centered on the pixel and neighboring blocks centered on surrounding pixels and choosing the direction of the neighboring block with the least sum of absolute differences. The pixel is then filtered one-dimensionally by averaging it with neighboring pixels located in the direction of correlation. This noise reduction method is simple, reliable, and avoids needless loss of detail. | 09-25-2008 |
20100312986 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit includes: a data path configured to transmit data from a first region to a second region; a first hash value calculator configured to read first data being transmitted through the data path within the first region and to calculate a first hash value from the first data; a register being disposed on the data path within the second region and configured to read second data transmitted through the data path; a second hash value calculator configured to read the second data output from the register and to calculate a second hash value from the second data; and a comparator configured to compare the first hash value and the second hash value and to determine whether the first hash value and the second hash value coincide with each other. | 12-09-2010 |
20130177064 | RECEPTION DEVICE AND METHOD - In a reception device and a reception method for a multivalue VSB, QPSK, or mutlivalue QAM modulated signal, reliability information (R) is generated ( | 07-11-2013 |
20140054136 | CONVEYING APPARATUS - To provide a conveying apparatus that includes: a fixed section; a movable section movable with respect to the fixed section; and a pair of linear motors each located so as to be partially included in the fixed section and the movable section. Each linear motor includes a primary magnetic pole section and a secondary magnetic pole section, and these pole sections are arranged to face each other so as to enable the movable section to move with respect to the fixed section. The movable section includes a movable body capable of conveying a conveyed object, and one of the magnetic pole sections of each linear motor. Each linear motor is located at each of opposite ends of the movable body in a width direction that is orthogonal to a moving direction, and the fixed section includes the other of the magnetic pole sections. | 02-27-2014 |
20140112416 | RECEIVING APPARATUS AND RECEIVING METHOD - An object of the present invention is to provide a receiving apparatus and a receiving method capable of preventing phase rotation of a signal after FFT from occurring on a frequency domain. Further, the receiving apparatus according to the present invention is provided with: a window control unit configured to control a position of an FFT window in which FFT is performed to the time domain signal, and output FFT data corresponding to the FFT window; a signal delaying unit configured to generate, from the time domain signal, a plurality of delay signals with different delay amounts; and a signal switching unit having a switch for outputting by switching between two of the time domain signal and the plurality of delay signals based on a predetermined switch timing, the signal switching unit being configured to output the FFT data including the output signal of the switch. | 04-24-2014 |
20140183980 | CONVEYING APPARATUS - A conveying apparatus includes: a housing; a movable member; a linear motor; and a cover. The linear motor includes a primary magnetic pole and a secondary magnetic pole each having a facing surface that faces the other and that is a plane along the longitudinal direction of the housing. The cover allows the primary magnetic pole to be located in an atmospheric environment, and the secondary magnetic pole to be located in a vacuum environment or a reduced pressure environment by separating the primary magnetic pole and the secondary magnetic pole from each other. The primary magnetic pole and the secondary magnetic pole face each other so that a direction of a magnetic attraction force generated therebetween and acting on their facing surfaces is different from directions of forces acting, due to an atmospheric pressure outside the housing, on the wall of the housing on which the cover is provided. | 07-03-2014 |
Patent application number | Description | Published |
20100245946 | IMAGE PROCESSING APPARATUS - An image processing apparatus capable of reading an image recorded on a first surface and a second surface of a sheet, the image processing apparatus comprising a conveying path comprising a first conveying path formed in a substantially plate shape, a second conveying path disposed below the first conveying path and a curved conveying path disposed between the first conveying path and the second conveying path, a conveying mechanism configured to convey the sheet along a conveying direction from the first conveying path to the second conveying path through the curved conveying path, a first image reading section disposed below the first conveying path and comprising a first image sensor which reads the image recorded on the first surface of the sheet conveyed along the first conveying path at a first image reading position, a second image reading section comprising a second image sensor which reads the image recorded on the second surface of the sheet conveyed along the second conveying path from below the second conveying path at a second image reading position, and an upper cover configured to rotate between a closed position where the first conveying path is partly covered and an open position where the first conveying path is exposed, wherein at least the first conveying path is exposed when the upper cover is in the open position. | 09-30-2010 |
20100245947 | IMAGE PROCESSING APPARATUS - An image processing apparatus includes a first conveying path, a curved conveying path, a second conveying path, a first image reading section facing the first conveying path, a pair of third conveying rollers having a third nip point P | 09-30-2010 |
20110242624 | Image Reading Apparatus - An image reading apparatus configured to read images of both surfaces of a document is provided. The image reading apparatus may include a first image reading device configured to read an image of a first surface of a document, a second image reading device configured to read an image of a second surface of the document, and a document conveying mechanism configured to convey the document from the second image reading device to the first image reading device. The first image reading device has a first reading range, and the second image reading device has a second reading range, which is smaller than the first reading range. | 10-06-2011 |
20120026558 | Image Reading Apparatus and Image Forming Apparatus - An image forming apparatus is provided with a document receiving portion that receives a document, and an image reader that moves between a first end position of the document receiving portion and a second end position opposite to the first end position. The image reader reads the image of the document on the document receiving portion while moving in a predetermined direction. A cable is provided having an end connected to the image reader. A cable protrusion and a regulation protrusion are configured such that, along with movement of the image reader in the predetermined direction from the first position to the second position, the cable protrusion moves a predetermined distance in the predetermined direction and contacts the regulation protrusion, and the regulation protrusion regulates a further movement of the cable in the predetermined direction. | 02-02-2012 |
Patent application number | Description | Published |
20110217054 | FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY SUPPRESSING THERMAL ENERGY RELEASED EXTERNALLY FROM DEVICE DUE TO THERMAL CONVECTION AND HOT AIR FLOW - A fixing device for fixing a toner image onto a recording paper includes a heating member for heating the recording paper, a pressing member for pressing the heating member by pressure-applying contact, a casing accommodating the heating member and the pressing member, and being provided with an exit port for discharging the recording paper, and a closing unit added to the exit port for keeping a temperature of the casing. The closing unit has a rotation member, and an opposed member forming a nip region together with the rotation member. | 09-08-2011 |
20110236070 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device for fixing a toner image onto a recording paper sheet includes a heating member for heating the recording paper sheet, a pressing member for applying a pressure by forming contact with the heating member, a casing accommodating the heating member and the pressing member, and provided with an exit port for discharging the recording paper sheet, and a closing portion arranged at the exit port for keeping a temperature of the casing. The closing portion has a rotation member, and an opposed member forming a nip region together with the rotation member. A separating unit for changing at least a part of the closing portion from a closed state to an open state. | 09-29-2011 |
20120148305 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrier that rotates by power generated by a driving source. A power transmission system transmits the power from the driving source to the image carrier. The power transmission system includes a coupling member to attenuate oscillation. The coupling member includes a viscous fluid, male and female fittings, and a rotating resistor. The viscous fluid provides a resistance against rotation of the image carrier. The male and female fittings are mutually fitted and rotatably supported on a rotary shaft of the image carrier penetrating through the male and female fittings in a direction in which they are mutually fitted. The rotating resistor is accommodated together with the viscous fluid in an accommodation space defined by a recess of the male fitting and a bottom inner surface of the female fitting. The rotating resistor integrally rotates with the rotary shaft. | 06-14-2012 |
20120155921 | IMAGE FORMING APPARATUS - An image forming apparatus includes a driving source, a first rotator, a first power transmission system, at least one second rotator, a second power transmission system, and a damper. The driving source generates power. The first rotator is drivingly rotated by the power generated by the driving source. The first power transmission system transmits the power from the driving source to the first rotator. The second rotator is further downstream than the first rotator in a flow of power transmission. The second power transmission system transmits the power from at least one of the first power transmission system and the first rotator to the at least one second rotator. The damper attenuates oscillation between the first power transmission system and the second power transmission system or between the first rotator and the second power transmission system. | 06-21-2012 |
20120251178 | IMAGE CARRIER DRIVER AND IMAGE FORMING APPARATUS - An image carrier driver includes an image carrier, a first power transmitter, a rotator, a second power transmitter, and a damper. The image carrier is configured to rotate by power generated by a driving source. The first power transmitter is configured to transmit the power from the driving source to the image carrier. The rotator is disposed further downstream than the image carrier in a flow of power transmission. The second power transmitter is configured to transmit the power from the image carrier to the rotator. The damper is disposed in the image carrier and is configured to attenuate an oscillation associated with the power transmission and transmitted to the image carrier. | 10-04-2012 |
Patent application number | Description | Published |
20120248687 | SHEET FEEDING DEVICES, IMAGE READING DEVICES AND IMAGE FORMING DEVICES - A sheet feeding device includes a sheet placement portion, a regulating portion, and an output portion. The regulating portion includes a first regulating portion and a second regulating portion. At least one of the first regulating portion and the second regulating portion can move in the width direction. The output portion includes a first output portion that extends from the first regulating portion toward the second regulating portion, and a second output portion that extends from the second regulating portion toward the first regulating portion. The first output portion includes a first end portion. The second output portion includes a second end portion. In a proximity state, the first end portion is located closer to the second regulating portion than the second end portion. The proximity state is a state in which a distance between the first regulating portion and the second regulating portion is at a minimum. | 10-04-2012 |
20130201537 | Document Reader - A document reader is provided that includes a document table at least part of which is configured to swing around a first axis, between a first position to function as the document table and a second position to be more slanted with respect to a first guide than when in the first position, a swing portion configured to form a part of a feeding surface forming the second guide and configured to swing around a second axis, between a third position to function as the second guide and a fourth position to expose a part of a feeding path that is formed by the second guide to the outside of the document reader, and a switching mechanism for swinging the swing portion from the third position to the fourth position with the swing motion of the at least part of the document table. | 08-08-2013 |
20130335791 | Image Reading Apparatus - An image reading apparatus having a lower unit with a controller and an upper unit rotatably attached to the lower unit to rotate about a rear end of the upper unit is provided. The upper unit includes a sheet conveyer, an upper image reader connected with the controller via a flat cable, and an external covering. A rearward-extending section of the flat cable extends rearward from the upper image reader and is drawn in an area below a part of a frame of the sheet conveyer and to a rear section of the upper unit to reach an inner surface of the external covering at the rear end of the upper unit. A widthwise-extending section of the flat cable extends from the rear end of the upper unit along the inner surface of the external covering in a direction orthogonal to reach an outlet of the upper unit. | 12-19-2013 |
20140167347 | Sheet Transport Device - A sheet transport device includes a sheet supporting surface which receives a plurality of sheets set thereon, a separation roller which separates the sheets set on the sheet supporting surface sheet by sheet to transport a separated sheet in a predetermined transport direction, and a first detection unit which is disposed to the supporting surface and detects whether a sheet is set on the sheet supporting surface. The separation roller and the first detection unit are disposed to be separated at least in a sheet width direction orthogonal to the predetermined transport direction, and a distance between the first detection unit and an end edge of the separation roller at a side of the first detection unit is longer than a short side of a non-allowable sheet which is smaller than a minimum sheet size within an allowable transport range set in the sheet transport device. | 06-19-2014 |
20140168686 | Image Reading Apparatus - An image reading apparatus includes a reading unit which reads an image on a document while being conveyed, a cover movable between an opened position where the reading unit is opened and a closed position where the reading unit is covered, a metal pressing member held by the cover and configured to face the reading unit and press the document toward the reading unit when the cover is at the closed position, a metal frame supporting the conveyor and configured to face the pressing member when the cover is at the closed position, and a ground member directly connected to the frame and configured to be separated from the pressing member when the cover is at the opened position, and to be in contact with the pressing member when the cover is at the closed position. | 06-19-2014 |
20140168728 | Image Reader - An image reader is provided that includes a housing, a sheet support surface disposed at the housing and configured to support a sheet placed thereon, a conveyor that includes a roller and conveys the sheet in a first direction, a drive unit generating a driving force for driving the conveyor, an image sensor unit reading an image on the sheet being conveyed by the conveyor, a cover configured to rotate between an open position to expose the roller and a closed position to cover the roller around a rotational axis extending in a second direction perpendicular to the first direction, and a detector configured to output a first signal when the cover is in the closed position and output a second signal when the cover is in the open position, the detector disposed on a same side as the drive unit in the second direction with respect to the sheet support surface. | 06-19-2014 |
20150015927 | Document Reader - A document reader is provided that includes a document table at least part of which is configured to swing around a first axis, between a first position to function as the document table and a second position to be more slanted with respect to a first guide than when in the first position, a swing portion configured to form a part of a feeding surface forming a second guide and configured to swing around a second axis, between a third position to function as the second guide and a fourth position to expose a part of a feeding path that is formed by the second guide to the outside of the document reader, and a switching mechanism for swinging the swing portion from the third position to the fourth position with the swing motion of the at least part of the document table. | 01-15-2015 |
Patent application number | Description | Published |
20120308266 | DAMPER DEVICE AND IMAGE FORMING APPARATUS - A damper device having: an input member into which a rotary drive force is inputted; an output member which rotates in accordance with the inputted rotary drive force; a columnar viscoelastic member provided between the input member and the output member; a driving-side pressing member which is attached to the input member and which applies a pressing force on one end surface of the viscoelastic member in accordance with the inputted drive force; a passive-side pressing member which is attached to the output member and which receives a pressing force from the other end surface of the viscoelastic member; a first supporting member which supports the driving-side pressing member such that the driving-side pressing member can turn freely relative to the input member; and a second supporting member which supports the passive-side pressing member such that the passive-side pressing member can turn freely relative to the output member. | 12-06-2012 |
20120308267 | DAMPER DEVICE AND IMAGE FORMING APPARATUS - A damper device having; an input member into which a rotary drive force is inputted; a passive member which receives the rotary drive force inputted into the input member and rotates; a viscoelastic material which is provided between the input member and the passive member; and a flexible member which prevents displacement of the viscoelastic material in a diametrical direction while not preventing a shake of the viscoelastic material in a rotating direction. | 12-06-2012 |
20130071152 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a heating rotating body driven by a motor, a pressing member, a biasing unit, a switching unit that receives rotational power of the motor in order to either separate the pressing member and the heating rotating body or to allow the biasing unit to press the pressing member and the heating rotating body together, a power transmission mechanism that transmits the rotational power of the motor to the switching unit over a first path or a second path, the first path having a larger reduction ratio, and a power transmission targeting unit that switches the target of transmission of rotational power of the motor between the heating rotating body and the switching unit depending on the rotational direction of the motor and that includes a path selection unit that selects the first path during separation and the second path during pressing by the switching unit. | 03-21-2013 |
20130071153 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a heating rotating body driven by a motor, a pressing member, a biasing unit, a switching unit that receives rotational power of the motor in order to either separate the pressing member and the heating rotating body or to allow the biasing unit to press the pressing member and the heating rotating body together, a power transmission mechanism that transmits the rotational power of the motor to the switching unit over a first path or a second path, the first path having a larger reduction ratio, and a transmission control unit that establishes and cuts off transmission of rotational power of the motor to the switching unit by the power transmission mechanism and that includes a path selection unit that selects the first path during separation and the second path during pressing by the switching unit. | 03-21-2013 |
20130149008 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a driving source configured to generate power; a first rotator configured to be drivingly rotated by the power generated by the driving source; a first power transmission system configured to transmit the power from the driving source to the first rotator; a second rotator configured to be drivingly rotated by the power generated by the driving source; and a second power transmission system configured to transmit the power to the second rotator from the first power transmission system. A damper having a torsion spring constant and a torsion viscous damping constant making a maximum positional change value of the first rotator equal to or smaller than a predetermined positional change value is disposed between the first power transmission system and the second power transmission system. | 06-13-2013 |
20140043627 | COLOR CORRECTING SYSTEM AND IMAGE FORMING APPARATUS INCLUDING SAME - A color correcting system mountable in an image forming apparatus comprises an imaging unit configured to perform image formation and a control unit configured to acquire a control parameter for use in image formation by the imaging unit and a status parameter indicating a status at the time of image formation. If a value for a color in an image formed by the imaging unit does not exceed a first threshold, and at least one member selected from the group consisting of adhering toner amount, gloss, line width, and line position for the image formed by the imaging unit does not exceed a second threshold, the control unit is configured to determine a control parameter on the basis of the acquired control parameter and the acquired status parameter, such that at least a color difference decreases. | 02-13-2014 |
20140079436 | IMAGE FORMING APPARATUS - An image forming apparatus having: a rotating member adapted to support an image; a first drive source configured to generate a drive force; a transmission mechanism configured to transmit the generated drive force toward the rotating member, the mechanism including an upstream gear and a downstream gear configured to receive the drive force therefrom; a sensor configured to output a signal indicating a rotational status of the rotating member; a control circuit configured to generate a control signal appropriate for non-uniform rotation of the rotating member, on the basis of the signal outputted by the sensor; and an actuator configured to cause a rotation axis of the first drive source or the transmission mechanism to pivot, in accordance with the control signal, thereby changing a force with which the upstream gear pushes the downstream gear into rotation such that the non-uniform rotation is cancelled out. | 03-20-2014 |
20140334855 | IMAGE FORMING APPARATUS - An image forming apparatus includes upstream-side and downstream-side detection parts and a control section. The detection parts are disposed on a moving path of an intermediate transfer belt or a conveyor belt and detect a speed of the belt. The control section performs control to correct color misregistration of images composed of colors to be formed on the intermediate transfer belt or a recording medium conveyed by the conveyance belt on the basis of the detection result. The control unit calculates a difference between the speed detected by the upstream-side detection part and the speed detected by the downstream-side detection part after a predetermined time elapses since the upstream-side detection part detects the speed and performs the control on the basis of the difference. The predetermined time is obtained by dividing a distance between the detection parts by a target speed of the belt. | 11-13-2014 |