Fuji Xerox Co., Ltd.

Tsutomu Udaka

Tomoyuki Mitsuhashi

Fumihiko Ogasawara

Kozo Tagawa

Katsuyuki Kouno

Atsushi Ito

Yoshiki Matsuzaki

Shinya Miyamori

Osamu Goto

Ryo Ando

Takeshi Kato

Kenichi Kobayashi

Kenta Ogata

Kazuyuki Tsukamoto

Susumu Kibayashi

Toshiyuki Kazama

Junichi Hirota

Tomoshi Hara

Ryuichiro Maeyama

Koji Morofuji

Shinichi Tai

Seiji Okamoto

Junichi Murakami

Hiroaki Satoh

Yasuhiro Arai

Satoru Nishikawa

Kenichi Kawauchi

Atsushi Kitagawara

Shun Yashima

Naoto Nishi

Yoshihiko Mitamura

Kenji Koizumi

Toshio Hisamura

Kazuhiro Hama

Kousuke Kubota

Tetsuhiro Inoue

Toshiki Matsui

A diagnostic apparatus includes a first acquiring unit that acquires sound information, a second acquiring unit that acquires operation information indicating a component in operation among a plurality of components of an analysis target apparatus, and a display unit that, when the acquired sound information is reproduced, displays operating states of the plurality of components at the time point when the reproduced sound is acquired, using the operation information.

Diagnosing an image forming apparatus based on sound signal analysis

A diagnostic device includes an acquisition unit, an extraction unit, a generation unit, and a display. The acquisition unit acquires sound information. The extraction unit extracts, from the acquired sound information, device information related to a device to be analyzed. The generation unit performs time-frequency analysis on the acquired sound information, and generates a first analysis result expressing change over time in an intensity distribution at each frequency. The display displays a second analysis result chosen on the basis of the first analysis result and the device information, and the first analysis result.

Diagnostic device, diagnostic system, device, diagnostic method, and non-transitory computer-readable medium

A diagnostic device includes an acquisition unit that acquires sound information, and a display that displays a first analysis result obtained by a time-frequency analysis on the sound information and plural second analysis results obtained by a time-frequency analysis on sound information of an abnormal sound, and that displays the second analysis results in descending order of a possibility presumed to be a cause of the abnormal sound and displays treatment candidates on a screen for inputting a treatment situation of the abnormal sound, based on an order in which the second analysis results have been displayed.

Diagnostic device and diagnostic method

A diagnostic device includes an acquisition unit, first and second measurement units, a generation unit, and a guidance unit. The acquisition unit accepts a produced sound as input and acquires sound information. The first measurement unit measures a distance from a standard position. The second measurement unit measures a change in orientation from a standard state. The generation unit generates appropriate position information, the appropriate position information being the distance from the standard position to the diagnostic device measured by the first measurement unit, and the change in orientation from the standard state measured by the second measurement unit. The guidance unit uses the appropriate position information to guide the diagnostic device to an appropriate position when acquiring the sound information.

Diagnostic device, diagnostic system, diagnostic method, and non-transitory computer-readable medium

A terminal device including a detection unit that detects a sound, and an output unit that outputs information regarding a detection method of detecting the sound by the detection unit.

Terminal device, diagnosis system and information output method for outputting information comprising an instruction regarding how to record a sound from a target apparatus

A diagnostic device includes an input unit that accepts input of an onomatopoeia to use in a sound sample search, a search unit that searches for a sound sample matching the input onomatopoeia, and a display that displays a search result from the search unit.

A diagnostic apparatus includes an acquiring unit that acquires sound information; a first analysis unit that performs a frequency analysis of the sound information and generates frequency analysis result data representing a temporal change in an intensity distribution for each frequency; a specifying unit that specifies a frequency of an abnormal sound in the frequency analysis result data; a second analysis unit that analyzes a frequency component of the specified frequency of the abnormal sound; and an extracting unit that extracts period information of the abnormal sound from an analysis result acquired by the second analysis unit.

Diagnostic apparatus, diagnostic system, and non-transitory computer readable medium

A terminal device includes a detection unit that detects sound, and an output unit that outputs information regarding a position of the detection unit relative to a target apparatus which is a target to detect the sound by the detection unit.

Terminal device and information output method

A mobile terminal apparatus portable by a user includes a recording unit, a memory, an estimating unit, and an output unit. The recording unit records a sound that has been produced by another apparatus. The memory stores a cause of an unusual noise that occurs in the other apparatus and intensities of individual frequency components of the unusual noise in association with each other. The estimating unit estimates a cause of the sound that has been produced by the other apparatus, on the basis of intensities of individual frequency components of the sound recorded by the recording unit and content stored in the memory, the intensities being calculated from the sound. The output unit outputs information about the cause of the sound estimated by the estimating unit.

Mobile terminal apparatus and non-transitory computer readable medium

A reflection sensor includes the following elements. A light emitting unit emits light to an area of an image forming apparatus where first detection images of plural colors used for detecting amounts of their misregistration are formed. A first light restricting member/configuration restricts light emitted from the light emitting unit. A light receiver is disposed in an optical path of regular reflection light, and receives reflected light and outputs a signal representing an amount of received light. A second light restricting member/configuration is disposed in the optical path of the regular reflection light and restricts light to be received by the light receiver. The value obtained by dividing a diameter of the first light restricting member/configuration by that of the second light restricting member/configuration ranges from substantially 0.5 to 1.9, and the diameters of the first and second light restricting members/configurations are each 1.5 mm or smaller.

Reflection sensor and image forming apparatus

An image forming apparatus includes the following elements. An image forming unit forms an image by using plural predetermined colors. An index forming unit causes the image forming unit to form three or more consecutive image correcting indexes of one type by using an identical color, the image correcting indexes being used for correcting misregistration of an image to be formed. The image correcting indexes are sequentially transferred to an image carrier. A detector includes a light source emitting light to the image correcting indexes and a light receiver receiving light reflected by the image carrier and the image correcting indexes to generate a detection signal. A position specifying unit specifies a position of an image correcting index located at the center of three consecutive image correcting indexes by using the detection signal. A misregistration correcting unit corrects misregistration of an image to be formed by using the specified position.

Image forming apparatus and method, and non-transitory computer readable medium

An image forming apparatus includes: an image processing unit acquiring image data, performing image processing, and generating color image data for respective colors; plural toner image forming units each forming and developing an electrostatic latent image on the basis of the color image data, and forming a color toner image; and a toner image holding member moving while holding each color toner image. Each electrostatic latent image has pixel rows arranged in a slow scan direction, with pixels aligned in a fast scan direction. The image processing unit performs, on the color image data, image processing to add or delete the pixel rows for a position of the electrostatic latent image in the slow scan direction. The number of the pixel rows corresponds to the amount of change in a moving velocity of the toner image holding member when each color toner image formed at the position is held.

Image forming apparatus, image processor, image processing method and computer readable medium

The image forming apparatus is provided with: a toner image carrying member that moves while carrying a toner image; a transferring member that transfers, on a recording medium, the toner image that the toner image carrying member carries; a transporting unit that transports the recording medium along a transport path that passes through a transfer region where the transferring member transfers the toner image onto the recording medium; and a controller that controls a movement speed of the toner image carrying member. The controller changes the movement speed of the toner image carrying member in accordance with a position, on the transport path, of the recording medium that the transporting unit transports.

Image forming apparatus, control apparatus, computer readable medium and control method to mitigate color shift

An image-forming device which is equipped with an image-holding member, an exposure section provided with plural light-emitting portions arranged in a first direction, a movement section that relatively moves the exposure section and the image-holding member in a second direction that intersects with the first direction, and a light-emission control section. The light-emission control section causes the plural light-emitting portions to periodically emit light in accordance with image data representing an image that is to be formed on the image-holding member, to form the image on the image-holding member. The light-emission control section varies a light-emission period during formation of the image, so as to correct for periodic fluctuations within the image of at least one of density and magnification ratio in the second direction.

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Kanagawa, Japan

Tsutomu Udaka