Rigaku Corporation

Nec Communication Systems, Ltd.

Nippon Kayaku Kabushiki Kaisha

A School Corporation Kansai University

Advanced Telecommunications Research Institute Int

Nec Corporation

Advanced Telecommunications Research Institute International

Yokogawa Medical Systems, Limited

Advanced Telecommunications Reserach Institute International

Yukihiro Hara

Takatoshi Kimura

Takafumi Koike

Masahito Iwai

Hiroyuki Yomo

Tetsuya Ito

Akio Hasegawa

Kiyoshi Akiyama

Minoru Maesawa

Yoshihisa Kondo

Suhua Tang

Michiharu Arifuku

Ayuta Yamada

Akihiro Nohara

Youichi Hidaka

Junichi Higuchi

Takahiro Higeta

Kenki Takagi

Shinji Masuda

Chihiro Takahashi

Mikiharu Yamashita

Katsunari Sasaki

Noriko Kiyoyanagi

Yuichi Kodama

Hideomi Sakai

Shota Kakibuti

Yohei Miyama

Tomonori Kumagai

Yuma Asada

Yuta Okamoto

Hironori Fukui

Ryou Nagase

Myeongjin Kang

Shoko Saito

Shohei Fukayama

Noboru Miyamoto

Hollow particles containing monocrystalline titanium oxide and silica, and having a titanium oxide content of 86.0-99.5 mol % and a silica content of 0.5-14.0 mol %; and a method of producing the particles. A white ink containing the hollow particles as a coloring agent; the use of the white ink in inkjet recording; and a method for inkjet recording using the white ink.

Hollow particles and production method therefor, and white ink

Hollow structure particles which contain titanium oxide and silica, in which the crystal type of the titanium oxide is rutile type; a method for producing the hollow structure particles; a white ink which contains these hollow structure particles as a coloring agent; use of the white ink in inkjet recording; and an inkjet recording method which uses the white ink.

Hollow structure particles, method for producing same and white ink

A transmitter generates a header frame having a frame length indicating the beginning of data to be transmitted, data frames having frame lengths representing the data to be transmitted, and an end frame having a frame length indicating the end of the data to be transmitted. Then, for all of the header frame, data frames and end frame, the transmitter executes transmitting the kth frame when the wireless communication space is available, thereby transmitting the header frame, data frames and end frame, one after another, in accordance with the CSMA/CA scheme.

Program executed in transmitter, receiver and program executed in receiver

A base station includes a wakeup signal transmission part transmitting transmission signal information to a wireless terminal by wireless communication. The transmission signal information includes a wakeup signal starting a given function included by the wireless terminal. The wakeup signal transmission part transmits the transmission signal information including connection information in addition to the wakeup signal to the wireless terminal. The connection information is information for causing the wireless terminal of a destination of transmission of the wakeup signal to connect by wireless communication using the given function.

Base station, wireless terminal, communication system, communication method, and program

When a terminal device initiates a wireless communication when it has not established a wireless link between itself and another wireless device, it transmits, as a management frames in active scanning, a plurality of activation probe requests having frame lengths representing an identifier of a wireless base station to which connection is being made and which is intended to transition from sleep mode to operating mode. Then, the wireless base station receives the plurality of activation probe requests transmitted by the terminal device as management frames in active scanning in a wireless LAN, and, when a plurality of dummy network identifiers detected based on the received plurality of activation probe requests represent the identifier of its own, transitions from sleep mode to operating mode.

Terminal device, wireless device wirelessly communicating with the same, and wireless communication system including the terminal device and wireless device

Provided are a three-dimensional X-ray CT apparatus, a three-dimensional CT image reconstruction method, and a program, which are capable of reducing an operating time. A three-dimensional X-ray CT apparatus includes: a CT imaging portion for continuously and relatively rotating a measurement system with respect to a subject to perform a CT imaging measurement for taking data on a plurality of transmission images for reconstructing a three-dimensional CT image of the subject; and an image reconstruction portion for reconstructing the three-dimensional CT image based on the data on the plurality of transmission images taken by the CT imaging portion and displaying the three-dimensional CT image. During a period in which the CT imaging measurement is being performed, the image reconstruction portion reconstructs the three-dimensional CT image based on already-taken data on transmission images and displays the three-dimensional CT image before the CT imaging measurement is completed.

3 Dimensional X-ray CT apparatus, 3 dimensional CT image reconstruction method, and program

A wireless device () searches a database that stores positional information of the wireless device (), a device (-) and control identifiers for controlling the devices (-) in an associated manner, acquires a device (-) located near the wireless device () and a control identifier for controlling the device (-) based on the positional information of the wireless device (), and, based on the device (-) and the control identifier for controlling the device (-) that have been acquired, determines a controlled device (at least one of the devices (-)) and generates a control identifier for the controlled device. The wireless device () transmits, by wireless communication, the generated controlled identifier to a receiver mounted on the controlled device to control the controlled device.

Wireless device, controlled device controlled by the same, control system including a wireless device and controlled device, and program for causing a computer in a wireless device to control a controlled device

To make a user easily obtain an objective and stable analysis result of bone mineral density. An analyzerof bone mineral density using CT image data of a phantom having a known bone mineral density includes: a known data storage partthat stores known data of bone mineral density for a phantom; a histogram production partthat produces a histogram of region number relative to a CT value for three-dimensional CT image data of the phantom; a correspondence determination partthat determines correspondence between a CT value and a bone mineral density by correlating CT values showing respective peaks of the produced histogram with the known data of the phantom; and an analysis partthat decides a bone mineral density for three-dimensional CT image data of a subject using the determined correspondence.

Analyzer, analysis method and analysis program of bone mineral density

There are provided an image processing apparatus, an image processing method and an image processing program which can easily and accurately specify and analyze an abnormal part of a subject. An image processing apparatusused to specify the abnormal part of the subject includes a calculation unitcalculating position adjustment data between contour data of a specific subject extracted from an X-ray radiographic image and contour data of a photographic image obtained by photographing the specific subject, a sectional image generation unitgenerating a sectional image of a three-dimensional X-ray CT image correlated with the X-ray radiographic image on a plane parallel with a light receiving face of a two-dimensional biolight image correlated with the photographic image, and a display processing unitdisplaying the three-dimensional X-ray CT image and the two-dimensional biolight image in superposition on the sectional image, using the calculated position adjustment data.

Image processing apparatus, image processing method and image processing program

An infrared shielding sheet includes a laminated film formed by alternately laminating a high refractive index resin layer containing fine particles and a low refractive index resin layer containing fine particles. At least one of the low refractive index resin layers has a value of 0.1 or more that is obtained by subtracting a refractive index at an arbitrary wavelength from 780 to 2500 nm from a refractive index at a wavelength of 550 nm. The low refractive index resin layer has a refractive index lower than a refractive index of the high refractive index resin layer at any wavelength in a range from 550 nm to the arbitrary wavelength inclusive.

Infrared shielding sheet, method for manufacturing the same, and use of the same

Provided are a CT-image processing apparatus and a method which can remove noise caused by one of a heartbeat and a breathing beat and extract only an accurate periodic motion by the other one. A CT-image processing apparatusthat processes projection data in which an animal is captured as a subject at each time by an X-ray CT apparatus includes a breathing beat threshold specification unitto specify a lower limit of a breathing beat frequency from a feature amount waveform within a ROI for breathing beat synchronization in a series of projection data, a heartbeat threshold specification unitto specify a lower limit of a heartbeat frequency from a feature amount waveform within a ROI for heartbeat synchronization in the series of projection data, a breathing beat extraction unitto extract a breathing beat waveform using a band-pass filter defined by the lower limit of the breathing beat frequency and the lower limit of the heartbeat frequency.

CT-image processing apparatus and method

A terminal device () frame-length-modulates an identifier of the radio apparatus () to generate a plurality of frames having a plurality of frame lengths, and transmits the generated plurality of frames to an access point () over wire or wireless communication. The access point () transfers the plurality of frames transmitted by the terminal device () to the radio apparatus () in the IP or MAC layer. The radio apparatus () detects the plurality of frame lengths of the plurality of frames received from the access point () and decodes the detected plurality of frame lengths to obtain an identifier. If the obtained identifier matches the identifier of the radio apparatus (), the radio apparatus () transitions to active mode.

Communication system, communication method, radio apparatus in communication system and program executed by terminal device in communication system

An X-ray CT apparatus for obtaining an internal image of a test subject by using X-rays. The X-ray CT apparatus has: an X-ray generator; an X-ray detector; a first casing for enclosing the X-ray generator and the X-ray detector; a test-subject table; a first table transporting mechanism for transporting the test-subject table between a first table position and a second table position, the first table position being a position where the main portion of the test-subject table receives X-rays from the X-ray generator, and the second table position being a position where the main portion of the test-subject table is on the outside of the first casing; and a second table transporting mechanism capable of vertically transporting the test-subject table. The first table transporting mechanism and the second table transporting mechanism operate in association with each other.

X-ray CT apparatus

Small-sized X-ray CT apparatus obtaining a cross-section or 3D image of a sample, using X-rays. Included: an X-ray generating apparatus irradiating X-rays on the sample; an X-ray detecting device detecting X-rays passing through the sample; and a device processing a detection signal from the X-ray detecting device, to re-structure the cross-section or 3D image of the sample; an X-ray shielding member having an opening portion for introducing the sample therein on one end surface and being treated with an X-ray protection process on an entire periphery thereof; and a means rotationally driving the X-ray shielding member, wherein the X-ray generating apparatus and the X-ray detecting device are treated with the X-ray protection process, respectively, and are fixed on a wall surface of the X-ray shielding member at positions opposing to each other, putting an rotation axis thereof therebetween, and thereby constructed with the X-ray shielding member in one body.

Growing community of inventors

Tokyo, Japan

Yukihiro Hara