Canon Kabushiki Kaisha

Konica Corporation

Konica Minolta Business Technologies, Inc.

Konica Minolta, Inc.

Masaru Ohtsuka

Masato Hattori

Hiroshi Furukawa

Hiroyuki Wakabayashi

Teruhiko Toyoizumi

Minoru Kawano

Kohji Yoshie

Toshitaka Matsumoto

Tetsuhiro Kodera

Hironori Yamamoto

Takao Kariya

Tsuyoshi Tsuchiya

Hirohiko Okabe

Yoshifumi Nishimoto

Hitoshi Iijima

Mikichi Ban

Susumu Kurihara

Osamu Kakuchi

Tomohiro Kiriyama

Koichi Matsushita

Tomoya Motoyoshi

Seiichi Kamiya

Makoto Higomura

Yasuo Kawai

Kazuhiko Hara

Makoto Tamura

Shinkichi Ohkawa

Mikio Iwata

Motomu Furukawa

Tadahiro Takahashi

Haruyuki Kusunoki

Satoshi Haya

Osamu Shiba

Toshihiko Yamaura

Disclosed is a maintenance management device, including: a communicator that communicates with a device to be maintained; and a hardware processor that: regularly receives a regular report indicating deterioration/exhaustion information for a plurality of replacement parts, from the device to be maintained; specifies the replacement part for which the deterioration/exhaustion information is required before a next regular report is received and a timing of obtaining the deterioration/exhaustion information for the specified replacement part, in accordance with the received regular report; and requests a temporary report indicating the deterioration/exhaustion information for the specified replacement part, to the device to be maintained at the specified timing, and obtaining the temporary report.

Maintenance management device, device to be maintained and non-transitory recording medium storing a computer readable program

An image forming device continuously forming an image according to a job in a conveying direction of along continuous paper includes: an image formation section forming the image according to the job on the continuous paper; an interval setting section setting a job interval of the image according to the job, which is continuously formed by the image formation section, on the basis of an operation from a user; an image forming process switching section switching two states of a state where the image formation section forms a color image and a state where the image formation section forms a monochromic image; and a switching determination section determining whether or not the two states are switched on the basis of a comparison result between the job interval set by the interval setting section and a paper conveying distance according to a switching time required for switching the two states.

Image forming device

An image forming apparatus that sets an output unit configured by a plurality of pages of which the order is determined as one copy and outputs the a plurality of copies of output units as a JOB includes an image forming unit that sequentially forms images corresponding to the plurality of pages on a plurality of sheets, a control unit that performs a calculation process of image eigenvalues based on the images for each of output units, a first storage unit storing a result of the calculation process performed for a reference copy of the output unit that is a specific one copy out of the plurality of copies of the output units, and a second storage unit storing a result of the calculation process performed for a copy of the output unit other than the reference copy out of the plurality of copies of the output units.

Image forming apparatus, image forming system, and computer-readable recording medium having program

Disclosed is an image forming apparatus including: a display section for executing display based on image data including a plurality of images; a first image processing section for generating first images respectively corresponding to the images included in the image data, to which an image process based on information of a job is not executed; a second image processing section for generating a second image obtained by executing the image process based on the information of the job to the image data of the first image currently displayed in the display section; and a control section for causing the display section to display the first image corresponding to the image data to which the job is set and to switch the currently displayed first image to the corresponding second image after completing a generation of the second image by the second image processing section.

Image forming apparatus and image forming method for displaying a first image while a corresponding second image is being processed

A sheet holding apparatus having: a feeding mechanism to feed a sheet on which an image is formed by an image forming apparatus, from a predetermined feeding position; a tray section having a tray to contain the sheet fed through the feeding mechanism; an initialization mechanism to initialize the tray section; and a control section to make a determination about necessity or unnecessity of an initialization of the tray section and/or a content of the initialization on the basis of information about a position of the tray, which is notified from the image forming apparatus, and to control the initialization of the tray section through the initialization mechanism according to the determination.

Sheet holding apparatus and image forming system

Disclosed is an optical system having a plurality of optical elements, for use in an optical instrument or a projection exposure apparatus, arranged to maintain a best optical performance by controlling a relative position of the plurality of optical elements. The optical system includes a reference mirror, a first measuring system for measuring a relative position, with respect to the reference mirror, of a first optical element among the plurality of optical elements and/or a first target mirror disposed so that a relative position thereof with respect to the first optical element is kept substantially unchanged, and a second measuring system for measuring a relative position, with respect to the reference mirror, of a second optical element among the plurality of optical elements and/or a second target mirror disposed so that a relative position thereof with respect to the second optical element is kept substantially unchanged. At least one of the first and second optical elements is moved on the basis of the measurement so that a relative positional relationship between the first and second optical elements is placed in predetermined positional relationship.

Optical system in exposure apparatus, and device manufacturing method

There is provided a shape measuring apparatus using an interferometer comprising a lens for condensing temporarily light waves from a light source, and a light wave shaping plate having a pinhole with suitable size adapted to convert the condensed light waves into an ideal spherical wave and a window provided in the vicinity of the pinhole and having enough size to pass therethrough light wave surface information, in which at least one lens having a reference surface and a surface to be measured the optical axes of which are slightly decentered in an optical path of the light waves passed through the pinhole is arranged in a position where the light waves which are made incident perpendicularly to the reference surface to be reflected therefrom pass through the pinhole again, and the light reflected from the surface to be measured pass through the window, and the reflected light reflected by the reference surface to pass through the pinhole again and the reflected light reflected by the surface to be measured to pass through the window are made to interfere with each other to measure a shape of the surface to be measured.

Method and apparatus for measuring the shape of an optical surface using an interferometer

There is provided a shape measuring apparatus which defines an XYZ-axis coordinate and measures a surface shape of an object, the apparatus including a plurality of probes arranged in a Y-axis direction, the probes contacting a surface of the object, and moving in a Z-axis direction according to the surface shape of the object, a probe holder for holding each of the plurality of probes movable in the Z-axis direction, a moving mechanism for moving the probe holding mechanism in an X-axis direction relative to the object, first and second measuring instruments for measuring positions of each probe in the X-axis and Y-axis directions, a third measuring instrument for measuring a position of each probe in the Z-axis direction; and a computing unit for calculating the surface shape of the object based on measuring results from the first, second, and third measuring instruments.

Apparatus and method for measuring a shape using multiple probes

An apparatus for finishing sheets is provided with a sheet conveyor to convey a sheet in a predetermined sheet conveyance direction on a sheet conveyance path; and a stapling device to conduct an edge stapling processing to put staple pins into an edge portion of sheets and a center stapling processing to put staple pins at a central portion of sheets, the stapling device having a plurality of staplers arranged in a direction perpendicular to the sheet conveyance direction, each of the plurality of staplers constructed in a two-divided piece structure including a driving mechanism provided one side of the sheet conveyance passage so as to put the staple pins into the sheets and a receiving mechanism provided the other side of the sheet conveyance passage so as to clinch the staple pins, and at least one of the plurality of staplers movable in a direction perpendicular to the sheet conveyance direction.

Image forming apparatus having sheet finisher

A sheet finisher includes: a sheet stacking section on which sheets are stacked; a pair of folding rollers for pressing and conveying the sheets; a roller driving device for driving the pair of folding rollers; a protruding member which is protruded toward a nipping position of the pair of folding rollers to fold the sheets stacked on the sheet stacking section in two; and a protruding member driving device for driving the protruding member to protrude toward the nipping position. When the protruding member driving device drives the protruding member toward the nipping position, the roller driving device is suspended to drive the pair of folding rollers to be conveyed.

Sheet finisher and image forming apparatus therewith

A finisher includes: a conveyor for conveying sheets; an intermediate stacker on which conveyed sheets are stacked; a stapler for stapling a stacked package of sheets; a sheet delivery device for delivering the stapled package of sheets; an up-and-down sheet exit tray on which the delivered package of sheets is stacked and which can move up and down; a driving device for driving the up-and-down sheet exit tray; an upper limit detector for detecting an upper limit position of a surface of the stapled package of sheets which is stacked on the up-and-down sheet exit tray; and a controller for controlling the driving device, wherein when a mode to staple a package of sheets which is not larger than a predetermined size and not larger than a predetermined number of sheets, is set, the controller temporarily withdraws the up-and-down sheet exit tray from the upper limit to a lower position before the stapled package of sheets has been delivered onto the up-and-down sheet exit tray; and when the sheet delivery device stops, the controller controls the driving device in such a manner that the up-and-down sheet exit tray is moved upward, and stopped at the upper limit position.

Finisher and image forming apparatus therewith

The present invention relates to a sheet finisher, which receives sheets from an image forming apparatus, such as an electro-photographic copying machine, a printer, a facsimile, etc., to align and bind the sheets. There is described a sheet finisher which includes a conveyance roller pair to convey the sheets, an intermediate stacker to stack the sheets, an aligning device to align the sheets stacked on the intermediate stacker, a binder to bind the sheets stacked and aligned on the intermediate stacker, an ejector to convey and eject the sheets bound by the binder, a driver to drive the aligning device, a controller to control the driver and an overlapped sheets conveying device to grip and convey two sheets. In the sheet finisher, the controller controls the driver in a manner such that the aligning device aligns an initial one sheet stacked on the intermediate stacker under a first aligning condition, while the aligning device aligns two overlapped sheets under a second aligning condition.

Sheet finisher, image forming apparatus, and sheet conveyance apparatus

A sheet finisher includes: a stacking member for aligning a plurality of recording sheets each on which an image has been recorded and for stacking the plurality of recording sheets thereon; a cover sheet feeding member having a cover sheet loading section for loading a cover sheet, for feeding the cover sheet stacked on the cover sheet loading section to the stacking member; a stapling member for stapling the cover sheet and the recording sheets stacked on the stacking member; and a folding member for folding the cover sheet and the recording sheets into two. The cover sheet feeding member, the stacking member and the folding member are substantially vertically arranged in the order from an upper portion to a lower portion of the sheet finisher.

A conveyor receives and holds a recorded sheet discharged from an image forming apparatus, the sheet is conveyed along a path and another conveyor is provided along the path at a predetermined distance from the first conveyor to further convey the sheet. There is a shifting device between the two conveyors for holding and individually shifting groups each containing a prescribed number of sheets, perpendicularly to the conveying direction of the sheets. There is a delivery tray for receiving the sheets delivered by the other conveyor.

Sheet tamping device for offsetting stacks of documents

A shape measuring apparatus of this invention includes a light source for generating light beams including two different frequency components, a first optical system for extracting a reference signal from the light beams including the two frequency components, a second optical system for reflecting one of the light beams including the two frequency components by a reference surface, reflecting the other light beam by a measuring region of a surface to be measured, and causing the two reflected light beams to interfere with each other, a photodetector having a plurality of photodetecting elements to detect the interference light beam from the optical system, a housing for holding at least a part of the optical system and the photodetector, an actuator for changing a relative position of the housing and the surface to be measured, and a length measuring device for detecting position information of the housing. An element corresponding to a light beam vertically reflected by the surface to be measured is selected from the photodetector. A measured signal is detected by adding output signals from the selected element and neighboring elements thereof. A distance between the housing and the surface to be measured is controlled in an optical axis direction such that a phase difference between the reference signal and the measured signal is held constant. A shape of the surface to be measured is measured from position information of the housing when the relative position of the housing and the surface to be measured is changed in a direction perpendicular to the optical axis.

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Hachioji, Japan

Masaru Ohtsuka