Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 9. Отображено 9.
27-03-2014 дата публикации

COMPUTED TOMOGRAPHY (CT) IMAGE ACQUISITION DEVICE AND CT SCAN IMAGING SYSTEM

Номер: US20140086384A1
Автор: Wang Yixiu, Wei Shiyu, Zhu Xun
Принадлежит: BEIJING EAST WHALE IMAGE TECHNOLOGY CO., LTD.

The disclosure provides a Computed Tomography (CT) image acquisition device and a CT scan imaging system. The CT scan imaging system includes: an image acquisition device, which specifically includes a first image acquisition device (A, B) and a second image acquisition device (A, B) that are perpendicular to each other, wherein the first image acquisition device (A, B) or the second image acquisition device (A, B) includes: an X-ray tube (A, A), which is used for emitting X-rays, and a detector (B, B), which is arranged opposite to the X-ray tube in the vertical direction and is used for receiving the X-rays and obtaining projection data according to the X-rays; and an image processing device (), which is used for acquiring a three-dimensional image through reconstruction of the projection data, wherein the three-dimensional image includes one or more tomographic images. 1. A Computed Tomography (CT) image acquisition device , comprising: a first X-ray tube, configured to emit horizontal X-rays; and', 'a first detector, arranged opposite to the first X-ray tube in the vertical direction and configured to receive the horizontal X-rays and obtain projection data according to the horizontal X-rays;, 'a first image acquisition device, comprising a second X-ray tube, configured to emit vertical X-rays; and', 'a second detector, arranged opposite to the second X-ray tube in the vertical direction and configured to receive the vertical X-rays and obtain projection data according to the vertical X-rays., 'a second image acquisition device, comprising2. The device according to claim 1 , further comprising:a G-shaped beam, of which the inside wall is mounted with the first image acquisition device and the second image acquisition device, wherein the G-shaped beam is an annular body with a quarter of opening, and the orthocentre where the first image acquisition device and the second image acquisition device are perpendicular to each other is overlapped with the centre of the ...

Подробнее
Номер записи: 1
29-01-2015 дата публикации

COLOR ULTRASOUND SYSTEM AND METHOD AND DEVICE THEREOF FOR OBTAINING BEAM-FORMING DATA

Номер: US20150032005A1
Автор: Chang Peter Pihsien, Li Fubing, Wei Shiyu, Zhao Zongmin, Zhu Xun
Принадлежит: BEIJING EAST WHALE IMAGE TECHNOLOGY CO., LTD.

The disclosure provides a color ultrasound system and a method and a device thereof for obtaining beam-forming line data. The method comprises: a processor sending a control command according to a currently triggered color ultrasonograph mode; the processor receiving the digital ultrasonic echo signal data obtained according to the control command, wherein the digital ultrasonic echo signal data is a digital signal obtained by performing analog-to-digital conversion on an analog ultrasonic echo signal; and the processor performing beam-forming processing on the digital ultrasonic echo signal data to obtain corresponding beam-forming line data. With the disclosure, the color ultrasound system hardware is simple in design and flexible, and resource conservation and cost reduction are achieved during technical update. 1. A method for obtaining beam-forming line data in a color ultrasound system , comprising:a processor sending a control command according to a currently triggered color ultrasonograph mode;the processor receiving the digital ultrasonic echo signal data obtained according to the control command, wherein the digital ultrasonic echo signal data is a digital signal obtained by performing analog-to-digital conversion on an analog ultrasonic echo signal; andthe processor performing beam-forming processing on the digital ultrasonic echo signal data to obtain corresponding beam-forming line data.3. The method according to claim 2 , wherein before extracting from memory the mapping matrix [MAP] corresponding to the ith point beam-forming line data Xin the current beam-forming line data [X] according to the triggered color ultrasonograph mode claim 2 , the method further comprises:{'sub': i', 'n, 'performing time delay computation for each array element data according to an echo signal depth dand a deflection angle θ corresponding to the color ultrasonograph mode, to obtain the time delay tof the current beam returned array elements;'}{'sub': n', 'i', 'i', 'M', 'i ...

Подробнее
Номер записи: 2
05-02-2015 дата публикации

G-ARM X-RAY IMAGING APPARATUS

Номер: US20150036799A1
Автор: Cao Liu, Wei Shiyu, ZHANG JUN, Zhu Sean
Принадлежит:

An X-ray imaging apparatus is provided having advantages of both C-shaped, G-shaped, and ring-shaped arm configurations. The device consists of a gantry that supports X-ray imaging machinery. The gantry is formed to allow two bi-planar X-rays to be taken simultaneously or without movement of the equipment and/or patient. The gantry is adjustable to change angles of the X-ray imaging machinery. Further, in some embodiments, the X-ray receptor portion of the X-ray imaging machinery may be positioned on retractable and extendable arms, allowing the apparatus to have a larger access opening when not in operation, but to still provide bi-planar X-ray ability when in operation. 1. A bi-planar X-ray apparatus comprising:a support gantry;a first imaging chain, the first imaging chain comprising a first X-ray source, and a first X-ray receptor, the first imaging chain attached to the support gantry;a second imaging chain, the second imaging chain comprising a second X-ray source, and a second X-ray receptor, the second imaging chain attached to the support gantry;wherein the first X-ray receptor is connected to a first arm adjustably mounted to the support gantry, the first X-ray receptor movable from a retracted position to an extended operation position; andwherein the second X-ray receptor is connected to a second arm adjustably mounted to the support gantry, the second X-ray receptor movable from a retracted position to an extended operation position.2. The bi-planar X-ray apparatus of wherein the support gantry forms an arc.3. The bi-planar X-ray apparatus of wherein the support gantry and first and second X-ray receptors form a C-shaped arm when the X-ray receptors are in the retracted position claim 2 , and form a G-shaped arm when the X-ray receptors are in the extended position.4. The bi-planar X-ray apparatus of wherein the gantry is attached to a gantry support claim 1 , the gantry movable with respect to the gantry support to allow an orbital motion of the first ...

Подробнее
Номер записи: 3
09-07-2015 дата публикации

3D Image Generation Method and Device for G-arm X-ray Machine and G-arm X-ray Machine

Номер: US20150190108A1
Автор: Li Fubing, Wei Shiyu, Zhu Xun
Принадлежит: BEIJING EAST WHALE IMAGE TECHNOLOGY CO., LTD.

A 3D image generation method includes controlling a G-arm frame to rotate to a target angle, and keeping the currents and voltages of two X-ray tubes unchanged during rotation, obtaining groups of 2D projection data of an object when a G-arm is in different angles, each group of 2D projection data including two paths of projection data, conducting calculation according to an FDK algorithm or an FDK correction algorithm using the groups of 2D projection data to obtain a 3D image of the object, and outputting the 3D image, thereby greatly reducing the data obtaining time by obtaining two paths of projection data, effectively reducing the irradiation time of the object, directly outputting the 3D image of the object, reflecting the full view information about the object, and solving the problem in the prior art that the irradiation time of the object under examination of X-rays is long. 1. A 3D image generation method for a G-arm X-ray machine , characterized in that , comprising ,controlling a G-arm frame to rotate to a target angle from an initial angle, obtaining a plurality of groups of 2D projection data of an object under detection when the G-arm is in different angles during the rotation, wherein each group of the 2D projection data comprises two paths of projection data;conducting calculation according to an FDK algorithm or an FDK correction algorithm using the plurality of groups of 2D projection data to obtain a 3D image of the object under detection;outputting the 3D image of the object under detection.2. The 3D image generation method according to claim 1 , characterized in that claim 1 , obtaining a plurality of groups of 2D projection data of an object under detection when the G-arm is in different angles during the rotation comprises:setting N image acquiring positions in the range of the initial angle to the target angle;determining rotation angle of the G-arm frame in real time;when the G-arm frame rotates to the respective image acquiring positions, ...

Подробнее
Номер записи: 4
21-09-2017 дата публикации

BEAM SYNTHESIZING METHOD, DEVICE AND ULTRASONIC IMAGING APPARATUS

Номер: US20170269199A1
Автор: He Xingbai, Li Yi, Wei Shiyu
Принадлежит:

A beam composition method and device and an ultrasonic imaging device are provided. The method of beam composition comprises: obtaining the point-by-point delay data of the ultrasonic probe channel; compressing the point-by-point delay data according to the compression method to obtain the compressed data; and sending the compressed data to the hardware of the ultrasonic imaging system, so that the hardware can decompress the compressed data according to the compression method to obtain the point-by-point delay data and carry out beam composition according to the point-by-point delay data. The method can enhance the focusing precision of ultrasonic beam composition.

Подробнее
Номер записи: 5
03-10-2017 дата публикации

Computed tomography (CT) image acquisition device and CT scan imaging system with G-shaped beam for two X-ray detector

Номер: US9775571B2
Автор: Shiyu Wei, XUN Zhu, Yixiu Wang
Принадлежит: Beijing East Whale Image Technology Co Ltd

The disclosure provides a Computed Tomography (CT) image acquisition device and a CT scan imaging system. The CT scan imaging system includes: an image acquisition device, which specifically includes a first image acquisition device ( 1 A, 1 B) and a second image acquisition device ( 2 A, 2 B) that are perpendicular to each other, wherein the first image acquisition device ( 1 A, 1 B) or the second image acquisition device ( 2 A, 2 B) includes: an X-ray tube ( 1 A, 2 A), which is used for emitting X-rays, and a detector ( 1 B, 2 B), which is arranged opposite to the X-ray tube in the vertical direction and is used for receiving the X-rays and obtaining projection data according to the X-rays; and an image processing device ( 4 ), which is used for acquiring a three-dimensional image through reconstruction of the projection data, wherein the three-dimensional image includes one or more tomographic images.

Подробнее
Номер записи: 6
17-09-2019 дата публикации

Color ultrasound system and method and device thereof for obtaining beam-forming line data

Номер: US10413279B2
Автор: Fubing Li, Peter Pihsien Chang, Shiyu Wei, XUN Zhu, Zongmin Zhao
Принадлежит: Beijing East Whale Image Technology Co Ltd

The disclosure provides a color ultrasound system and a method and a device thereof for obtaining beam-forming line data. The method comprises: a processor sending a control command according to a currently triggered color ultrasonograph mode; the processor receiving the digital ultrasonic echo signal data obtained according to the control command, wherein the digital ultrasonic echo signal data is a digital signal obtained by performing analog-to-digital conversion on an analog ultrasonic echo signal; and the processor performing beam-forming processing on the digital ultrasonic echo signal data to obtain corresponding beam-forming line data. With the disclosure, the color ultrasound system hardware is simple in design and flexible, and resource conservation and cost reduction are achieved during technical update.

Подробнее
Номер записи: 7
03-04-2020 дата публикации

带式无线射频杀菌装置

Номер: CN210226797U
Автор: Huan LIU, Rongguang Zhu, Shiyu Wei, Xuedong Yao, Yibiao Wu, Yuxue Cao, 刘欢, 吴乙标, 姚雪东, 曹玉雪, 朱荣光, 魏事宇
Принадлежит: Shihezi University

本实用新型属于食品加工技术领域，涉及一种带式无线射频杀菌装置。一种带式无线射频杀菌装置，主要包括射频发生器，上、下极板、及极板间距调节机构，物料输送与传动机构，风机与辅助加热系统以及排湿系统等。其特征在于：机架（1）上设有射频发生器（6），箱体罩（5），所述箱体罩中设有极板间距调节装置，上极板（15），输送网带（2），下极板（14），柔性金属防护网（3）；下极板下设有气流分配室（13）；通风管（12），加热器（11），离心风机（10）；所述箱体罩上设有排湿风扇（4）。与传统的微波杀菌技术相比，射频的穿透能力比微波强，生产效率更高，尤其适合低水分以及尺寸较大物料的快速杀菌作业。本实用新型结构紧凑，操作方便，可通过快速调节极板间距来适应不同尺寸、规格物料的射频热处理。

Подробнее
Номер записи: 8
19-09-2017 дата публикации

3D image generation method and device for G-arm X-ray machine and G-arm X-ray machine

Номер: US09763640B2
Автор: Fubing Li, Shiyu Wei, XUN Zhu
Принадлежит: Beijing East Whale Image Technology Co Ltd

A 3D image generation method includes controlling a G-arm frame to rotate to a target angle, and keeping the currents and voltages of two X-ray tubes unchanged during rotation, obtaining groups of 2D projection data of an object when a G-arm is in different angles, each group of 2D projection data including two paths of projection data, conducting calculation according to an FDK algorithm or an FDK correction algorithm using the groups of 2D projection data to obtain a 3D image of the object, and outputting the 3D image, thereby greatly reducing the data obtaining time by obtaining two paths of projection data, effectively reducing the irradiation time of the object, directly outputting the 3D image of the object, reflecting the full view information about the object, and solving the problem in the prior art that the irradiation time of the object under examination of X-rays is long.

Подробнее
Номер записи: 9