Patent application number | Description | Published |
20130193635 | FEEDING APPARATUS - A feeding apparatus which is capable of increasing the number of stacked sheets without increasing a size of an apparatus is provided. The feeding apparatus includes a stopper member which is in contact with a leading edge of a sheet placed on a sheet stacking plate and blocks the sheet from entering a separation unit, and an actuating member which presses the stopper member in conjunction with a rotation of a holding member, and a movement distance of the actuating member is longer than a movement distance of the holding member. | 08-01-2013 |
20130194341 | CONVEYING DEVICE AND PRINTING APPARATUS - Provided are an image scanning device that can prevent a rise in the temperature and overloading or overheating of a conveying motor during continuous conveying of document sheets, and a conveying device that includes the image scanning device. According to the present invention, the temperature of a drive motor and the temperature of the periphery of the drive motor are predicted, and based on the predicted values, the conveying mode is selected. | 08-01-2013 |
20130194599 | READING APPARATUS - A reading apparatus includes an auto document feeder configured to be openable and closable around a hinge with respect to a unit including an image sensor. The auto document feeder includes a roller configured to move a document relative to the image sensor, a motor, a gear train configured to transmit a rotation of a rotational shaft of the motor to the roller, and an encoder unit configured to detect rotation information of the motor, and including a sensor and a code wheel. An orientation of the rotational shaft is substantially parallel to a rotational axis of the hinge, and the gear train is arrayed in a direction of an extension of the rotational shaft. A gear that is a part of the gear train is attached to one end of the rotational shaft, and the code wheel is attached to the other end thereof. | 08-01-2013 |
20130194600 | READING APPARATUS AND READING CONTROL METHOD - A reading apparatus includes an image sensor, a movement mechanism including a motor that relatively moves between a document and the image sensor, an encoder that detects information about the relative movement, and a control unit that controls driving of the motor and reading by the image sensor based on the detection by the encoder, wherein when a read-suspension event occurs during the reading, the control unit performs control such that the reading is continued while decelerating the motor, a relative position of a last read pixel with respect to a read position by the image sensor is monitored based on the detection by the encoder, and the driving of the motor is stopped when the read position is determined to reach a stop position set within the last read pixel, and the motor is driven again to resume the reading with a pixel next to the last read pixel. | 08-01-2013 |
20150055198 | IMAGE READING DEVICE AND IMAGE READING METHOD - An image reading device includes: a sensor unit; a first reading part at which the sensor unit reads a document through a first transparent member; a second reading part at which the sensor unit reads a document through a second transparent member different from the first transparent member; and a color reference, wherein measurement of the color reference is able to be performed through the first transparent member by the sensor unit for calibration for reading at the first reading part, and measurement of the color reference is able to be performed through the second transparent member by the sensor unit for calibration for reading at the second reading part. | 02-26-2015 |
Patent application number | Description | Published |
20090292678 | IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, PROGRAM, AND STORAGE MEDIUM - An image processing apparatus is provided that reduces a data size of a composite file without affecting output when generating a composite file by merging multiple files containing objects. To accomplish this, in merging multiple files, the image processing apparatus determines whether or not objects (images or the like) contained in the multiple files are hidden behind another object. Further still, the image processing apparatus merges objects that are hidden behind another object as link information in the composite file, and image data corresponding to the objects is stored in a separate file. | 11-26-2009 |
20110007338 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM - An information processing apparatus stores first setting information included in a received first print job. If a second print job has been received within a predetermined time period since a timing of reception of the first print job, if the second print job is a print job related to the first print job, and if second setting information included in the second print job is different from the stored first setting information, a CPU of the information processing apparatus stores the first setting information as printing error information. The CPU searches for printing error information that is the same as third setting information included in a third print job from among stored printing error information. If printing error information that is the same as the third setting information has been extracted, the CPU displays a screen for prompting a user to verify the third setting information on an operation unit. | 01-13-2011 |
20130208297 | IMAGE FORMING DEVICE, IMAGE FORMING METHOD AND PROGRAM - In the case where all print jobs are stored in a nonvolatile storage area such as a hard disc to protect the print job at power-off, normal printing time becomes long. In the case where a power-off request is received, the print job that is executing print processing is stored in the nonvolatile storage area. At this time, the print job and authentication information capable of identifying a print-instructing person are associated with each other and stored. | 08-15-2013 |
20140043638 | IMAGE FORMING APPARATUS, METHOD OF CONTROLLING IMAGE FORMING APPARATUS, AND STORAGE MEDIUM - An image forming apparatus is provided, including a storage unit configured to store print data, a reception unit configured to receive device information for identifying a device to print the print data, and a control unit configured to determine whether the stored print data stored is generated by a printer driver common to a plurality of models or by a printer driver corresponding to a model of the device identified by the received device information, and to restrict printing of the stored print data if the stored print data is not generated by the printer driver common to the models and if the stored print data is not generated by the printer driver corresponding to the model of the device identified by the received device information. | 02-13-2014 |
20140333953 | IMAGE FORMING APPARATUS, INFORMATION PROCESSING APPARATUS, PRINTING SYSTEM, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - An image forming apparatus, an information processing apparatus, a printing system, a method of controlling the same, and a storage medium. An image forming apparatus authenticates a user, transmits a request for a list of print jobs, and receives a list of print jobs transmitted in response to the request. The image forming apparatus displays on a display unit the list of print jobs received in the receiving, and in the displaying, a list of the print jobs, for which a user name of the user authenticated in the authenticating and a job owner name of the print job match, and a list of print jobs for which a job owner name is unknown is displayed. | 11-13-2014 |
Patent application number | Description | Published |
20090057529 | APPARATUS SUPPORTING MECHANISM, SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - An apparatus supporting mechanism comprises: a fixing member | 03-05-2009 |
20090066009 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME - A sheet feeding apparatus includes a middle plate, a lifter mechanism, and a sheet-feed roller. The sheet-feed roller can move to a first position retracted from the sheet, a second position lower than the first position for feeding the sheet, and a third position lower than the second position. The sheet feeding apparatus has a position control mode in which when a sheet is fed, the sheet-feed roller is moved from the first position to the third position and stopped there, the middle plate is moved toward the sheet-feed roller by the lifter mechanism, the sheet stacked on the middle plate is brought into abutment against the sheet-feed roller, the middle plate is moved until a position detection sensor outputs the detection signal that the sheet-feed roller is in the second position, and a height of the sheet is controlled. | 03-12-2009 |
20100254721 | IMAGE FORMING APPARATUS - A printer includes a fixing device that fixes a toner image formed on a sheet and a sheet delivery roller pair for delivering the sheet on which the toner image is fixed by the fixing device onto a sheet delivery tray placed outside of a printer main body. The printer includes a supporting member that supports an upstream edge portion of the sheet in a delivery direction delivered from the sheet delivery roller pair so that the upstream edge portion does not fall down on the sheet delivery tray. The printer includes a blower unit that blows air along a lower surface of the sheet supported by the supporting member from the upstream edge portion of the sheet in the delivery direction toward a downstream edge portion of the sheet in the delivery direction. | 10-07-2010 |
20110006469 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - When a retard roller is rotating in a sheet feeding direction, the rotation is transmitted to a pickup roller and the pickup roller rotates in a direction for conveying the sheet. When the retard roller is rotating in a direction opposite to the sheet feeding direction or is stationary, the pickup roller does not feed the sheet. Therefore, in a successive feeding operation, the sheet to be fed next is always conveyed such that the leading end thereof reaches a nip position between a feed roller and the retard roller. Therefore, the intervals between the sheets are uniform in the successive feeding operation. | 01-13-2011 |
20110089628 | SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS - A sheet conveying device includes a blocking member having a blocking surface with which a leading end of a sheet that is being conveyed comes into contact for obliquity correction. The blocking member is rotated by being pushed by the sheet against an urging force of a positioning unit that positions the blocking member to be in the standby position. The blocking member is rotatable to be in a sheet-passage-allowing orientation in which the sheet is allowed to pass. When a trailing end of the sheet that is being conveyed has passed the blocking member, the blocking member that is in the sheet-passage-allowing orientation rotates in a same direction as a sheet conveyance direction and is positioned to be in a standby position. | 04-21-2011 |
20110089629 | SHEET DETECTING DEVICE AND IMAGE FORMING APPARATUS - A sheet detecting device includes a rotation unit having an abutment surface, a positioning unit configured to position the rotation unit in a standby position where the leading edge of the conveyed sheet abuts the abutment surface, and a detecting unit configured to detect the conveyed sheet on the basis of the rotation of the rotation unit pressed by the conveyed sheet, wherein the rotation unit rotates to a sheet passage posture where the sheet is allowed to pass after being pressed by the leading edge of the conveyed sheet and, when the trailing edge of the conveyed sheet passes the rotation unit, the rotation unit is rotated from the sheet passage posture in the same direction as a sheet conveying direction and is positioned in the standby position. | 04-21-2011 |
20120080838 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus including: a conveying roller pair conveying a sheet by a nip portion; a shutter portion which is rotatably supported on a rotary shaft of the first conveying roller; a same radius portion, provided in the shutter portion, which is formed to have substantially the same radius as a radius of the first conveying roller; an abutment portion, provided in the shutter portion, and against which the leading edge of the sheet is abutted; and a boundary portion, provided in a boundary of the abutment portion and the same radius portion, which guides the leading edge of the sheet to the nip portion when the shutter portion is rotated by abutting the leading edge of the sheet against the boundary portion. | 04-05-2012 |
20120235350 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus, including: a first conveying portion; a second conveying portion arranged downstream of the first conveying portion; a shutter member rotated by the pressure of the sheet and including a plurality of abutment surfaces against which a leading edge of the sheet conveyed by the first conveying portion abuts to correct a skew feed of the sheet; and an urging portion which provides the shutter member with an urging force for positioning one abutment surface at an abutment position at which the leading edge of the sheet abuts against the one abutment surface, the urging portion providing the shutter member with an urging force for rotating the shutter member to position another abutment surface at the abutment position after the leading edge of the sheet is nipped by the second conveying portion. | 09-20-2012 |
20120237280 | SHEET DETECTING APPARATUS AND IMAGE FORMING APPARATUS - A sheet detecting apparatus including: a sheet detecting member having a plurality of abutment surfaces in a peripheral direction thereof, the sheet detecting member being rotated by a conveyed sheet abutting against one of the plurality of abutment surfaces; a detection portion which operates in association with the sheet detecting member; a sensor which generates a signal based on a position of the detection portion; and an urging portion which generates an urging force for positioning the one of the plurality of abutment surfaces of the sheet detecting member in a waiting position in which the leading edge of a sheet conveyed by a conveying portion abuts against the one of the plurality of abutment surfaces, and thereafter the urging portion switching the urging force to an urging force for positioning, in the waiting position, another one of the plurality of abutment surfaces against which a succeeding sheet abuts. | 09-20-2012 |
20130087968 | SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS - A sheet conveying device includes a blocking member having a blocking surface with which a leading end of a sheet that is being conveyed comes into contact for obliquity correction. The blocking member is rotated by being pushed by the sheet against an urging force of a positioning unit that positions the blocking member to be in the standby position. The blocking member is rotatable to be in a sheet-passage-allowing orientation in which the sheet is allowed to pass. When a trailing end of the sheet that is being conveyed has passed the blocking member, the blocking member that is in the sheet-passage-allowing orientation rotates in a same direction as a sheet conveyance direction and is positioned to be in a standby position. | 04-11-2013 |
20130213771 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus including: a conveying roller pair conveying a sheet by a nip portion; a shutter portion which is rotatably supported on a rotary shaft of the first conveying roller; a same radius portion, provided in the shutter portion, which is formed to have substantially the same radius as a radius of the first conveying roller; an abutment portion, provided in the shutter portion, and against which the leading edge of the sheet is abutted; and a boundary portion, provided in a boundary of the abutment portion and the same radius portion, which guides the leading edge of the sheet to the nip portion when the shutter portion is rotated by abutting the leading edge of the sheet against the boundary portion. | 08-22-2013 |
20130214480 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus, including: a first conveying portion; a second conveying portion arranged downstream of the first conveying portion; a shutter member rotated by the pressure of the sheet and including a plurality of abutment surfaces against which a leading edge of the sheet conveyed by the first conveying portion abuts to correct a skew feed of the sheet; and an urging portion which provides the shutter member with an urging force for positioning one abutment surface at an abutment position at which the leading edge of the sheet abuts against the one abutment surface, the urging portion providing the shutter member with an urging force for rotating the shutter member to position another abutment surface at the abutment position after the leading edge of the sheet is nipped by the second conveying portion. | 08-22-2013 |
20130221604 | SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - When a retard roller is rotating in a sheet feeding direction, the rotation is transmitted to a pickup roller and the pickup roller rotates in a direction for conveying the sheet. When the retard roller is rotating in a direction opposite to the sheet feeding direction or is stationary, the pickup roller does not feed the sheet. Therefore, in a successive feeding operation, the sheet to be fed next is always conveyed such that the leading end thereof reaches a nip position between a feed roller and the retard roller. Therefore, the intervals between the sheets are uniform in the successive feeding operation. | 08-29-2013 |
20140077441 | SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS - A sheet conveying device includes a blocking member having a blocking surface with which a leading end of a sheet that is being conveyed comes into contact for obliquity correction. The blocking member is rotated by being pushed by the sheet against an urging force of a positioning unit that positions the blocking member to be in the standby position. The blocking member is rotatable to be in a sheet-passage-allowing orientation in which the sheet is allowed to pass. When a trailing end of the sheet that is being conveyed has passed the blocking member, the blocking member that is in the sheet-passage-allowing orientation rotates in a same direction as a sheet conveyance direction and is positioned to be in a standby position. | 03-20-2014 |
20140153936 | IMAGE FORMING APPARATUS AND CARTRIDGE - An image forming apparatus to which a cartridge including first and second cartridge contacts is detachably mountable, includes: a guiding member for guiding the cartridge to a positioning portion provided in a main assembly of the image forming apparatus; a first main assembly contact contactable to the first cartridge contact when the cartridge is positioned partway toward the positioning portion and is positioned in the positioning portion; a second main assembly contact contactable to the second cartridge contact when the cartridge is positioned partway toward the positioning portion; a third main assembly contact contactable to the second cartridge contact only when the cartridge is positioned in the positioning portion; and a control portion for detecting presence or absence of the cartridge in the main assembly and a mounted state of the cartridge by being electrically connected with the first, second and third main assembly contacts. | 06-05-2014 |
20140197592 | SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - An image forming apparatus includes a sheet feeding device having a separation pad holding unit, a separation pad fixing unit, and a compression unit while vibration damping unit(such as a sponge member and a Mylar member) that is attached to the compression unit does not contact the separation pad holding unit and the separation pad fixing unit. | 07-17-2014 |