Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Takeshi Zengo

Akira Sakamoto

Toru Nishida

Jun Isozaki

Hiroaki Satoh

Susumu Kibayashi

Takuma Ishihara

Yukari Motosugi

Akira Mihara

Mamoru Fujita

Naoki Morita

Takehiro Niitsu

Yasuhiro Ogasawara

Atsuyuki Kitamura

Toshinobu Hamazaki

Satoshi Mohri

Masahiko Sekimoto

Hiroyuki Tsukuni

Hiroshi Inoue

Hiroshi Ikeda

Masaki Kobayashi

Kenji Ikeda

Kiyoshi Hosoi

Atsushi Murakami

Tomozumi Uesaka

Koichi Saitoh

Masami Furuya

Mami Hatanaka

Satoshi Hasebe

Manabu Numata

Norihisa Takemoto

Tatsumi Komura

Toyoji Ushioda

An information processing device includes a sensor configured to detect a substance applied to a medium containing confidential information and a processor configured to record information including substance information identifying the substance detected with the sensor and user information on a user carrying the medium in combination.

Information processing device, information management system, and storage medium

A confidential information provision device includes: an information acquisition unit configured to acquire a confidential level of information that is to be printed on a recording medium; and a provision unit configured to provide confidential information to the recording medium in accordance with the confidential level, the confidential information provided to the recording medium being constituted of a material that is detectable in a non-contact manner.

Confidential information provision device, image forming apparatus and system

A reading device includes: a reading unit configured to read a first recording medium; and an information acquisition unit configured to acquire information related to a detection object applied to the first recording medium.

Information reading device and image forming apparatus for applying detection object to recording medium according to degree of confidentiality

A printed material detection apparatus includes: a detector configured to transmit radio waves whose frequency of 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves.

Printed material detection apparatus for detecting management information, image forming apparatus, printed material detection system and recording material for the same

A light irradiation device includes: an irradiation portion that irradiates a member with light, the member having density varying in accordance with at least one of light or heat; and an adjustment portion that adjusts a light amount of the irradiation portion based on a change of the density in the member irradiated with the light by the irradiation portion.

Light irradiation device, image forming apparatus, computer readable medium storing program, and light irradiation method

An ejection device includes: an ejection portion that ejects liquid droplets onto one surface of a recording medium that is fed; a first drying portion that applies light energy to the one surface in a noncontact manner to thereby dry the liquid droplets; and a second drying portion that comes in contact with only other surface of the recording medium in which the liquid droplets have been dried toy the first drying portion, and heats the recording medium to thereby dry the recording medium.

Ejection device

A droplets drying device includes: a drying mechanism having a plurality of light sources that are arranged in a width direction of a recording medium, and dry droplets ejected onto the recording medium by emitting light toward the droplets; a moving mechanism that moves the drying mechanism in the width direction; a light shield member that is opposed to at least part of the drying mechanism being moved by the moving mechanism, and interrupts light emitted from the light sources disposed in the part, opposed to the light shield member, of the drying mechanism; and a measuring member that is disposed in a light shield region where the light shield member interrupts incoming light, and receives light emitted from each of the light sources and measures a light quantity of the light source as the measuring member is moved relative to the drying mechanism in the width direction.

Droplets drying device and image forming apparatus

An irradiation device includes: an irradiation unit that is disposed downstream of an ejection unit that ejects droplets, in a movement direction of a medium that is moved relative to the ejection unit so as to form a gap between the irradiation unit and the medium, and that irradiates, with light, droplets that have been ejected from the ejection unit and landed on the medium; and a transparent member that is shaped like a belt, transmits light, and is moved through the gap relative to the irradiation unit.

Irradiation device and droplets ejecting device

A droplet drying device includes a plurality of light emitting devices arranged in a two-dimensional manner to irradiate droplets with light to dry the droplets, the droplets being ejected on a recording medium by an ejection unit, a regular irradiation capability portion provided in a region corresponding to an image forming region of the recording medium where an image is formed, the regular irradiation capability portion having a predetermined light irradiation capability, and a low irradiation capability portion provided in a region corresponding to a region of the recording medium set to have a lower image-forming density than the image forming region, a light irradiation capability of the low irradiation capability portion being lower than the predetermined light irradiation capability.

Droplet drying device and image forming apparatus

A liquid droplet drying device includes: a drying unit that includes a plurality of light sources emitting light to a liquid droplet ejected to a recording medium by a forming unit which ejects the liquid droplet to form an image and drying the image and in which an amount of light of each of the plurality of light sources is variable; and a correction unit that corrects the amount of light of each of the plurality of light sources so that a light amount distribution of the drying unit is within a range of a pre-decided target using light amount information obtained by reading the amount of light emitted from each of the plurality of light sources by a reading unit which reads the image formed on the recording medium by the forming unit.

Liquid droplet drying device, non-transitory computer readable medium, and image forming apparatus

There is provided a droplet drying device including: a light source that irradiates, with light, and dries a droplet ejected to a recording medium by a forming unit that ejects the droplet to form an image; a reading unit that reads a specifying image in which a light emitting condition of the light source is specified and which is formed by the forming unit in a region out of an image forming region on the recording medium; and a light source controller that controls the light source such that the light source emits light in accordance with the light emitting condition specified in the specifying image read by the reading unit so as to irradiate the droplet with the light.

In the case where, by driving nozzles, test images are formed on paper so that the area of a width predetermined from an end portion in an intersecting direction that intersects with a transporting direction of the paper of a reading area of image reading units is not included in the test images, and the nozzles in an abnormal state are detected by using reading data obtained by reading by the image reading units, the application scope of the reading data applied for detection of an abnormal state is determined so that reading data of each of the test images formed by the nozzles as a detection target of an abnormal state is not repeatedly included with regard to each nozzle, and the nozzles in an abnormal state are detected by using the reading data in the determined application scope.

Image forming device and non-transitory computer readable medium

There is provided a drying device. A controller is configured to control a laser intensity so that the laser intensity becomes lower than a drying intensity set as an intensity for drying a liquid droplet when a printing part printed in advance on a recording medium is included in an illumination range of a laser element on an image formation surface of the recording medium, the laser element configured to illuminate laser to the liquid droplet ejected on the image formation surface of the recording medium in accordance with an image.

Drying device and image forming apparatus

A drying device includes: a drying unit that includes a laser light source group in which a plurality of laser light sources are arranged two-dimensionally and that dries ink placed on a recording medium as a result of ejecting of ink droplets from an ejecting unit by irradiating the ink with laser light; a control unit that divides the laser light source group into unit-of-control laser light source groups that are arranged in a crossing direction that crosses a feeding direction of the recording medium and each of which has, as a unit of control, a plurality of laser light sources arranged in the feeding direction of the recording medium, and controls the drying unit using laser light irradiation profiles that are set for the respective unit-of-control laser light source groups; and a setting unit as defined herein.

Drying device, image forming apparatus and computer readable medium

A drying device includes: an irradiation unit that irradiates, with laser light, a printing medium onto which ink droplets have been ejected from a droplets ejecting unit; and a control unit that controls the irradiation unit so that a temperature of ink on the printing medium becomes an ink target temperature that is determined using a thermal deformation temperature of the printing medium as a reference in case the thermal deformation temperature of the printing medium is lower than or equal to an ink drying temperature, and becomes an ink target temperature that is determined using the ink drying temperature as a reference in case the thermal deformation temperature of the printing medium is higher than the ink drying temperature.

Growing community of inventors

Kanagawa, Japan

Takeshi Zengo