Abstract: A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.

Abstract: An image projection apparatus includes a projection unit that projects a pattern image on a projection surface; an image capturing unit that captures the projected pattern image; and a corrector that corrects the captured image so that an imaging distortion caused due to image capturing and a projection distortion caused due to projection are corrected. The projection unit projects the corrected captured image at a predetermined position on the projection surface.

Abstract: An system comprises: a first storage that stores access destination information, characteristic information, and first identification information in a manner associated with one another; a transmitter that transmits a captured image of a medium; a first-acquiring-unit that extracts the characteristic information and acquires the access destination information and the first identification information associated with the characteristic information, access based on the access destination information being controlled by an authentication device comprising a second storage that stores second identification information allocated to each medium, third identification information corresponding to the first identification information, and collation information indicating an access source in a manner associated with one another; a second-acquiring-unit that acquires fourth identification information allocated to each medium from the captured image; and an access unit that transmits the first identification information,

Abstract: An imaging device includes a filter unit including filter areas having different wavelength selectivities; a light receiving element array configured to receive light transmitted through the filter unit; a storage unit configured to store, for each filter area, positional information indicating a position at which light transmitted is received on the light receiving element array; an area detector configured to detect, based on the positional information, an image area corresponding to the light transmitted from an image output by the light receiving element array when light from an object enters the filter unit; and a color detector configured to detect a color of the object based on an output value of the image area. The positional information indicates a position on the light receiving element array identified by using a spectral-response-coincidence-degree indicating a degree of coincidence between a spectral responsivity of each pixel and a desired wavelength selectivity.

Abstract: An image capturing apparatus includes a tilt detection unit that detects a tilt in the vertical direction, conversion data used for transforming plane coordinates into spherical coordinates, a correction unit that corrects the conversion data according to the tilt, a plurality of image capturing units, a coordinate transformation unit that transforms plane coordinates of a plurality of pixels included in images captured by the image capturing units into spherical coordinates according to the conversion data corrected by the correction unit, and a combining unit that combines the images including the pixels transformed into spherical coordinates by the coordinate transformation unit.

Abstract: According to an embodiment, there is provided a sheet processing apparatus includes a stacking unit that stacks a sheet conveyed thereto; a first alignment unit that aligns the sheet or a bundle of sheets stacked in the stacking unit in a sheet conveying direction; a second alignment unit that aligns the sheet or the bundle of sheets stacked in the stacking unit in a direction orthogonal to the sheet conveying direction; a pressing unit that presses the bundle of sheets at an end portion thereof on a predetermined one side; and a control unit that causes at least one of the first and second alignment units to execute an alignment operation during a press operation of the sheet or the bundle of sheets performed by the pressing unit.

Abstract: A punching device includes: a punching member opens a punch hole on a sheet material on a die plate by penetrating a die hole provided to the die plate; a discharging member discharges static electricity charged on a punching chip generated by opening of the punch hole when the punching chip is guided to fall on the discharging member arranged on a lower side of the die hole and brought into contact with the discharging member; and a pressing member that presses the punching chip on the discharging member against the discharging member.

Abstract: An image capturing apparatus includes image capturing devices; page memories for the image capturing devices, respectively, each page memory storing a piece of image data output from the corresponding image capturing device; a page-memory read unit configured to read pieces of image data stored in the page memories line by line in a time division manner; an image processing unit configured to perform predetermined image processing on the pieces of image data read from the page memories for the image capturing devices line by line in the time division manner; and a write monitoring unit configured to monitor write states of the pieces of image data that are output from the image capturing devices and written into the page memories, and control the page-memory read unit to start reading the pieces of image data from the page memories.

Abstract: A cabinet structure includes multiple cover members configured to spatially partition an inside from an outside of a cabinet, and a clearance communicating between the inside and the outside of the cabinet is left between two cover members, the two cover members being adjacent to each other, of the cover members, and a passage defined by the clearance and leading from the inside to the outside of the cabinet through the clearance has a shape with multiple bends.

Abstract: A rotary drive device includes a drive motor and drive transmission portion, which transmits a rotational drive force of the motor to a driven rotor and includes three or more drive transmission members. A high stiffness member is attached to a low-stiffness drive transmission member, which is one, lower in stiffness, of two of the drive transmission members, to increase stiffness of the low-stiffness drive transmission member. The two form a drive transmission point corresponding to a resonant point of a lowest resonance frequency among frequencies at a plurality of resonance points in frequency response characteristics derived from rotation information. One drive transmission point, which is on either a drive-transmission input side or output side, other than the drive transmission point corresponding to the resonant point of the lowest resonance frequency, of the low-stiffness drive transmission member is configured to transmit the rotational drive force through the high stiffness member.

Abstract: A sound absorbing device includes: a plurality of sound absorbing units. A frequency of sound absorbed by at least one of the sound absorbing units overlaps, at least partially, with a frequency of sound with a volume increased by installation of another sound absorbing unit.

Abstract: An information processing apparatus includes: a power mode information storage unit that stores power mode information indicating whether a power mode of an electronic apparatus is a first power mode in which at least a first communication unit is operable or a second power mode in which the first communication unit is not operable and a second communication unit is operable; an update unit that updates the power mode information; a determination unit that refers to the power mode information and determines the power mode; a first acquisition unit that, if the power mode is the first power mode, obtains state information from the electronic apparatus via the first communication unit; a state information storage unit that stores the state information; and a second acquisition unit that, if the power mode is the second power mode, obtains the state information from the state information storage unit.

Abstract: Heat-equalizing rotation of a fixing member and a pressing member for equalizing the distribution of the temperature of a surface of the fixing member in a width direction is performed after a recording medium having a size less than or equal to a predetermined size in the width direction passes a nip portion and before a recording medium having a size greater than the predetermined size in the width direction passes the nip portion. Further, a termination condition of the heat-equalizing rotation is selected from among a plurality of different kinds of termination conditions, based on image formation related information related to next image formation performed after the heat-equalizing rotation.

Abstract: An information processing system includes an image forming part and an operation part attachable to and detachable from the image forming part. The information processing system includes: a first detection unit configured to detect whether a state where a function of the image forming part is usable via the operation part is established; a second detection unit configured to detect whether the operation part has been detached from the image forming part; and a restriction control unit configured to perform control to restrict a predetermined function of the operation part when, while the first detection unit has detected that the state where the function of the image forming part is usable via the operation part is not established, the second detection unit has detected that the operation part has been detached from the image forming part.

Abstract: A motor drive control device includes: a deceleration start position calculating unit that calculates a deceleration start position indicating an address at which a pulse period is stored, the pulse period being equal to or larger than a pulse period at the time of forced stopping and closest to the pulse period at the time of forced stopping among the pulse periods included in a driving information; a stop pulse number calculating unit that calculates the number of pulses required for stopping the motor at an exciting position; and a driving control unit that outputs a total number of pulses of a counted number of pulses and the number of pulses from the deceleration start position until the motor is stopped in forcibly stopping the motor, and outputs a shortage of the number of pulses required for stopping the motor calculated by the stop pulse number calculating unit.

Abstract: A sheet discharging device includes a shift tray 202 on which a sheet P1 is stacked, a discharging roller 6 that discharges a sheet P2 onto the shift tray 202, a blowing device 230 that sends air to a lower surface of the sheet P2 discharged by the discharging roller 6, a blocking member 231 that blocks air sent to the lower surface of the sheet P2 from a blowing port 230-2 of the blowing device 230, and a control unit that controls the blocking amount of the blocking member 231. The blocking amount is determined based upon sheet information including sheet-type information, sheet-size information, and sheet-thickness information, for example.

Abstract: An information processing apparatus includes a sound collector configured to collect an operation sound of a sound collection target device to obtain sound data; a context information obtaining unit configured to obtain context information at a time of an operation of the sound collection target device; a feature generator configured to generate feature of sound data corresponding to the context information; and a clustering unit configured to generate an operation status table of the sound collection target device by using the feature.

Abstract: A projection system includes an image capturing unit which, when a first pattern image is projected on a first projection area, captures an image capture area including the first projection area and at least a portion of a second projection area which overlaps the first projection area to obtain a first captured image and, when a second pattern image is projected on the second projection area, captures the image capture area to obtain a second captured image, a first projection unit which projects a first partial projection-target image extracted from a projection target image based on the first and second captured images and the projection target image on the first projection area, and a second projection unit which projects a second partial projection-target image extracted from the projection target image based on the first and second captured images and the projection target image on the second projection area.

Abstract: A nozzle receiver is to be arranged in a powder container used in an image forming apparatus. The nozzle receiver includes a nozzle receiving opening, in which a conveying nozzle for conveying powder supplied from the powder container is inserted in the image forming apparatus; an opening/closing member to open and to close the nozzle receiving opening; and a supporter to support the opening/closing member. The opening/closing member includes a sealing portion to seal the nozzle insertion opening. The supporter includes an end surface portion perpendicular to a moving direction of the opening/closing member. The projection area of the end surface portion in the moving direction of the opening/closing member is smaller than a projection area of the sealing portion in the moving direction of the opening/closing member.

Abstract: A fixing device may include an endless fixing member; a heating unit that is provided inside an inner peripheral surface of the fixing member; and a nip forming unit that comes into press-contact with a rotationally driven pressing member with the fixing member interposed therebetween to form a nip. The nip forming unit has a shape in which a center of a contact surface protrudes toward the pressing member compared to both ends. The nip forming unit has a protruding amount at a center toward the pressing member compared to both ends of the nip forming unit in no-load state is set to be less than a bent amount of the nip forming unit when the nip forming unit comes into press-contact with the pressing member with the fixing member interposed therebetween.