Fujitsu Corporation

Ricoh Company, Ltd.

Asahi Medical Co., Ltd.

Medecs Co., Ltd.

Jatco Corporation

Fuji Electric Co., Ltd.

Nec Electronics Corporation

Asahi Kasei Kuraray Medical Co., Ltd.

Makoto Yoshida

Hiroshi Fujita

Hiroaki Suzuki

Yuuta Nakaya

Yun Wen

Eizou Ishizu

Masahiro Watanabe

Kazuyuki Ozaki

Masayuki Kokado

Hirokazu Onodera

Naoki Yamanaka

Yoshinori Tanaka

Hideto Furukawa

Kouichi Suzuki

Yoshiaki Katou

Hiroo Kitagawa

Yasuo Ito

Nami Hatazoe

Norihito Miyoshi

Tetsuya Yano

Chenxi Zhu

Yoshiharu Tajima

Takashi Yamagajo

Takanori Iwamatsu

Dai Kimura

Tadashi Morita

Teruhisa Ninomiya

Masahiko Shimizu

Michiharu Nakamura

Michael John Beems Hart

Dorin Gheorghe Viorel

Yuefeng Zhou

Nobutsugu Fujino

Yusuke Hara

Takeshi Takano

Tatsuya Kikuzuki

Tamio Saito

Kazumasa Ushiki

Masafumi Katoh

Ichiro Iida

Nobuo Kino

Ichirou Ida

Michiru Fujita

Naoyuki Saito

Mamoru Machida

Kazumi Kasai

Mayuko Morita

Yasuharu Amezawa

Osam Ohba

Yuta Kawamura

Tatsuo Take

Hiroshi Katakura

Satoshi Uezumi

Futoshi Watanabe

Takanori Sugihara

Masayoshi Moriya

Hiroaki Senoo

Junsuke Suemitsu

Kazuhiro Miyashita

Ushio Iwamoto

Yushiro Furukawa

A wireless device includes: a plurality of antennas; a first correlation series generator configured to generate a first correlation series based on transmission data; a second correlation series generator configured to generate a second correlation series based on the first correlation series; a first modulator configured to modulate the transmission data to generate a first modulated signal; a second modulator configured to modulate the first correlation series to generate a second modulated signal; a third modulator configured to modulate the second correlation series to generate a third modulated signal; a signal combiner configured to combine the first to third modulated signals to generate first to third transmission signals; and a transmitter configured to output the first to third transmission signals respectively via first to third antennas among the plurality of antennas.

Wireless device and wireless transmission method

An image processing apparatus includes circuitry to acquire input image data, perform image conversion on the input image data to generate the output image data corresponding to each of a plurality of output conditions, and calculate a color feature amount that is a change amount of color characteristics of each pixel from the input image data and the output image data before and after the image conversion. The circuitry calculates cost information indicating cost of the output image data corresponding to each of the plurality of output conditions, based on the plurality of output conditions and the output image data, and calculates cost effectiveness with reference to the color feature amount, the cost information, and a weighting table in which weights for items of the plurality of output conditions are set, to determine one output condition of the plurality of output conditions to be used for output.

Image processing apparatus, image processing system, and recording medium

An information processing system includes a storage unit that stores association information that is obtained by associating identifying information of a plurality of second communication networks that are interconnected via a first communication network with identifying information of a virtual device that exists in the second communication network; a first specifying unit that specifies according to the association information a second communication network in which a target virtual device exists, in a case in which the first specifying unit acquires a request for a setting change to the target virtual device; a second specifying unit that specifies a physical server on which the target virtual device runs from among physical servers that exist in the specified second communication network; and a setting unit that performs the setting change to the target virtual device that runs on the specified physical server.

Information processing system and information processing method

An image forming control apparatus for controlling an image forming apparatus to form an image on a recording medium includes a memory to store a target property data of original gradation values of image data of a target image to be formed on the recording medium; and circuitry to acquire actual property data of the target image actually formed on the recording medium, convert the original gradation values to another gradation values, generate a primary correction data based on the original gradation values and the another gradation values, generate a secondary correction data to supplement the generated primary correction data, compare the primary correction data and the secondary correction data, and generate gradation correction data used for correcting the original gradation values existing in a specific range of the original gradation values based on a comparison result of the primary correction data and the secondary correction data.

Image forming control apparatus, method of generating correction data, and storage medium

An antenna device includes: a first antenna element configured to radiate first radio waves having a first plane of polarization; and a second antenna element configured to radiate second radio waves having a second plane of polarization orthogonal to the first plane of polarization, wherein ends of the first antenna element and the second antenna element located at mutually approaching sides are disposed in a positional relationship, and a phase deviation caused by an electromagnetic coupling based on the positional relationship is compensated and an electrical power is fed to the first antenna element and the second antenna element with a phase difference that causes a composite wave of the first radio waves and the second radio waves to form a circularly polarized wave.

Antenna device

A wireless communication system includes a transmission device, a relay device, and a reception device and is configured to execute direct communication of directly transmitting a wireless signal from the transmission device to the reception device without routing through the relay device and indirect communication of indirectly transmitting a wireless signal from the transmission device to the reception device through the relay device. The wireless communication system includes a controller configured to estimate a disconnection continuation time that is a time during which the direct communication is not executable in a case where the direct communication is not executable while the direct communication is repeatedly executed, continue to execute the direct communication when the disconnection continuation time is shorter than a threshold time, and execute the indirect communication when the disconnection continuation time is longer than the threshold time.

Wireless communication system, wireless communication method, transmission device, control method, and recording medium

A communication control device, includes a terminal information acquisition unit which acquires terminal-related information including communication service information relating to a communication service executed, and network information relating to a network, a selection unit which selects, among a plurality of combinations of networks each of which can be used by each of a plurality of communication services, a combination of networks having a smallest total communication cost to be charged for each of the plurality of communication services in each of the plurality combinations of networks, on the basis of the terminal-related information, and network-related information including communication cost information, and communication bandwidth information, and a network control unit which executes a network control such that the networks used respectively by each of the plurality of communication services are the selected combination of networks.

Communication control device, communication control system and communication control method

A method for transmission of information about downlink and uplink parameters of a intermediate apparatus link in a multi-hop wireless communication system, the system comprising a first node apparatus, a second node apparatus and one or more intermediate apparatuses, each said apparatus being operable to transmit and receive information along a series of links forming a communication path for downlink and uplink communication, the communication path extending between the first node and second node apparatuses via the or each intermediate apparatus, each link comprising either a first node link between the first node apparatus and a said intermediate apparatus or an intermediate apparatus link between a said intermediate apparatus and a said apparatus which is not the first node apparatus, and the system having access to a minimum allocation unit for allocating time and transmission frequency bandwidth, the method comprising: obtaining values of downlink and uplink parameters for a particular intermediate apparatus link; mapping both values onto a single minimum allocation unit and transmitting them towards the first node apparatus.

System and method for downlink and uplink parameter information transmission in a multi-hop wireless communication system

A communication device includes: a packet receiving unit that receives, via a wireless ad hoc network, a packet transmitted from a node device; a congestion detection unit that detects, based on the packet received by the packet receiving unit, that congestion occurs in a communication path along which the packet reaches the packet receiving unit; a congestion control message generating unit that generates, when the congestion detection unit detects that the congestion occurs in the communication path, a congestion control message that instructs to take an action to avoid the congestion in the communication path; and a message transmitting unit that transmits the congestion control message generated by the congestion control message generating unit to the node device.

Device and system for preventing congestion in ad-hoc network

A printing control device includes a glossiness target value determining unit that determines a glossiness target value indicating a target of glossiness of image data as a print target, a color separation amount determining unit that determines color separation amounts of a plurality of colored color materials as amounts of the colored color materials to be allocated to the respective colored color materials based on a sum of respective amounts of the colored color materials for the glossiness target value, a color separation processing unit that executes color replacement among a plurality of pieces of colored plane data based on the color separation amounts of the respective colored color materials, and an image data generator that generates the image data based on the pieces of colored plane data on which the color replacement has been executed.

Device, system, method, and recording medium having computer program for controlling printing

An image processing apparatus includes a storage unit that stores therein a type of surface effect and predetermined glossiness in association with each other, a determining unit that determines, as first glossiness, the glossiness associated with the surface effect specified by the gloss control plane data, a measurement control unit that performs control to measure second glossiness indicating actual glossiness of a printed matter that is a recording medium on which printing has been performed by a printing apparatus, a generation unit that produces, from the gloss control plane data, gloss plane data for additional printing in which a density value is set in accordance with an amount of a transparent color material necessary for achieving the first glossiness on the basis of a difference in value between the first glossiness and the second glossiness, and an output unit that outputs the gloss plane data for additional printing.

Image processing apparatus, image forming system, and computer-readable recording medium having gloss control

A radio station includes a weighting factor determining unit that outputs a value larger than one as a weighting factor when a traffic amount of an adjacent radio station positioned in a communicable range of the radio station exceeds a certain threshold, and a cost calculating unit that calculates a radio quality cost based on radio quality for each link between the radio station and each adjacent radio station, regards a multiplication result of the obtained radio quality cost and the weighting factor as a link cost when there is an input of the weighting factor from the weighting factor determining unit, and regards the obtained radio quality cost as a link cost when there is no input of a weighting factor from the weighting factor determining unit.

Radio station, routing method and radio communication system

An apparatus estimates an influence rate at which transmission of data to a first wireless communication device is influenced by a second wireless communication device that is undetectable by means of carrier sense. The apparatus determines transmission quantity based on the estimated influence rate, and detects a congestion state of the first wireless communication device. The apparatus transmits data to the first wireless communication device according to the determined transmission quantity when congestion for the first wireless communication device is detected.

Apparatus and method for transmitting data to a wireless communication device to minimize congestion and interference from undetectable devices through carrier sensing

According to an embodiment, provided is a controller that controls an image forming unit forming an image on a recording medium based on image data in which densities of a plurality of colors are specified for each pixel. The controller includes: a setting unit that sets a common representative value to a density of a specific color indicating one of the colors in each of a plurality of pixels included in a specific area indicating a specific area represented in the image data; and a determining unit that determines a density of each of the colors so that a sum of densities of the respective colors other than the specific color in the pixels included in the specific area becomes equal to or lower than a value acquired by subtracting the representative value from a reference value indicating a total amount restriction target of a total amount of toners.

Controller, image forming apparatus, and computer program product for restricting total toner amount

A print control device includes a generating unit configured to generate image data, based on gloss control plane data for specifying a type of a surface effect to be given to a recording medium and specifying a region to which the surface effect is to be given in the recording medium; and an output unit configured to output the image data. The generating unit includes a tone correcting unit configured to perform a tone correction on a region in which the surface effect is designated in the gloss control plane data, the tone correction varying with each type of surface effect.

Print control device, image forming system, and computer-readable storage medium

Growing community of inventors

Kawasaki, Japan

Makoto Yoshida