公开(公告)号：US20120274242A1

公开(公告)日：2012-11-01

申请号：US13306578

申请日：2011-11-29

申请人： Nobuyuki Haruna ,  Katsuhisa Yoshida ,  Masahiro Ikeda ,  Kengo Sugahara ,  Hirofumi Tanaka

发明人： Nobuyuki Haruna ,  Katsuhisa Yoshida ,  Masahiro Ikeda ,  Kengo Sugahara ,  Hirofumi Tanaka

IPC分类号： H05H11/00

CPC分类号： H05H13/04 ,  H05H7/02

摘要： A circular accelerator comprises a target current value memory which stores a target current value of a beam current of charged particle which is extracted from an extracting device; and a frequency determination part in which a frequency change ratio is obtained by performing a feedback control based on an error signal between a detection signal of a beam current detector and a target current value which is stored in a target current value memory, and determines a subsequent frequency from the obtained frequency change ratio and a current frequency, wherein the subsequent frequency which is determined by the frequency determination part is stored in a frequency memory and a radio-frequency generator generates the subsequent radio-frequency of frequency which is determined.

摘要翻译： 圆形加速器包括目标电流值存储器，其存储从提取装置提取的带电粒子的束流的目标电流值; 以及频率确定部分，其中通过基于束电流检测器的检测信号和存储在目标电流值存储器中的目标电流值之间的误差信号执行反馈控制来获得频率变化比，并且确定 从所获得的频率变化率和当前频率的后续频率，其中由频率确定部分确定的后续频率被存储在频率存储器中，并且射频发生器产生随后确定的频率的射频。

公开(公告)号：US08736198B2

公开(公告)日：2014-05-27

申请号：US13306578

申请日：2011-11-29

申请人： Nobuyuki Haruna ,  Katsuhisa Yoshida ,  Masahiro Ikeda ,  Kengo Sugahara ,  Hirofumi Tanaka

发明人： Nobuyuki Haruna ,  Katsuhisa Yoshida ,  Masahiro Ikeda ,  Kengo Sugahara ,  Hirofumi Tanaka

IPC分类号： H05H11/00 ,  H01J23/00

CPC分类号： H05H13/04 ,  H05H7/02

摘要： A circular accelerator comprises a target current value memory which stores a target current value of a beam current of charged particle which is extracted from an extracting device; and a frequency determination part in which a frequency change ratio is obtained by performing a feedback control based on an error signal between a detection signal of a beam current detector and a target current value which is stored in a target current value memory, and determines a subsequent frequency from the obtained frequency change ratio and a current frequency, wherein the subsequent frequency which is determined by the frequency determination part is stored in a frequency memory and a radio-frequency generator generates the subsequent radio-frequency of frequency which is determined.

摘要翻译： 圆形加速器包括目标电流值存储器，其存储从提取装置提取的带电粒子的束流的目标电流值; 以及频率确定部分，其中通过基于束电流检测器的检测信号和存储在目标电流值存储器中的目标电流值之间的误差信号执行反馈控制来获得频率变化比，并且确定 从所获得的频率变化率和当前频率的后续频率，其中由频率确定部分确定的后续频率被存储在频率存储器中，并且射频发生器产生随后确定的频率的射频。

公开(公告)号：US20130289333A1

公开(公告)日：2013-10-31

申请号：US13977093

申请日：2011-03-07

申请人： Kengo Sugahara ,  Masahiro Ikeda ,  Kazushi Hanakawa ,  Taizo Honda ,  Hisashi Harada

发明人： Kengo Sugahara ,  Masahiro Ikeda ,  Kazushi Hanakawa ,  Taizo Honda ,  Hisashi Harada

IPC分类号： A61N5/10

CPC分类号： A61N5/1077 ,  A61N5/1043 ,  A61N2005/1074 ,  A61N2005/1087

摘要： The present invention is intended to enable proper elimination of the remanent magnetization of the scanning magnet, which is used in a particle beam therapy system, in a short time. In the particle beam therapy system that irradiates an irradiation target with a particle beam 18 accelerated by an accelerator and scanned by scanning magnets 11 and 12, power supplies 13 and 14 to operate the scanning magnets 11 and 12 output pattern currents for demagnetizing the scanning magnets 11 and 12. The pattern current is controlled by a control circuit 15 that reads a demagnetization pattern 17 and controls the power supplies 13 and 14.

摘要翻译： 本发明旨在能够在短时间内适当消除用于粒子束治疗系统的扫描磁体的剩余磁化。 在用由加速器加速并通过扫描磁体11和12扫描的粒子束18照射照射目标的粒子束治疗系统中，用于操作扫描磁体11和12的电源13和14输出用于使扫描磁体去磁的图案电流 图案电流由读取去磁图案17并控制电源13和14的控制电路15控制。

公开(公告)号：US07122978B2

公开(公告)日：2006-10-17

申请号：US11108640

申请日：2005-04-19

申请人： Tetsuya Nakanishi ,  Katsuhisa Yoshida ,  Masahiro Ikeda

发明人： Tetsuya Nakanishi ,  Katsuhisa Yoshida ,  Masahiro Ikeda

IPC分类号： H01J23/00

CPC分类号： G21K5/04 ,  H05H7/06 ,  H05H7/10

摘要： A charged-particle beam accelerator includes an RF-KO unit for increasing the amplitude of betatron oscillation of a charged-particle beam within a stable region of resonance and an extraction quadrupole electromagnet unit for varying the stable region of resonance. The RF-KO unit is operated within a frequency range in which the circulating beam does not go beyond a boundary of the stable region of resonance, and the extraction quadrupole electromagnet unit is operated with appropriate timing as required for beam extraction so that the charged-particle beam is extracted with desired timing.

摘要翻译： 带电粒子束加速器包括用于增加谐振区域内的带电粒子束的贝塔振荡幅度的RF-KO单元和用于改变稳定谐振区域的提取四极电磁体单元。 RF-KO单元在循环光束不超过稳定谐振区域的边界的频率范围内操作，并且提取四极电磁体单元根据束提取所需的适当定时进行操作， 以期望的时刻提取粒子束。

公开(公告)号：US20050231138A1

公开(公告)日：2005-10-20

申请号：US11108640

申请日：2005-04-19

申请人： Tetsuya Nakanishi ,  Katsuhisa Yoshida ,  Masahiro Ikeda

发明人： Tetsuya Nakanishi ,  Katsuhisa Yoshida ,  Masahiro Ikeda

IPC分类号： A61N5/10 ,  G21K5/04 ,  H05H7/00 ,  H05H7/06 ,  H05H7/10 ,  H05H13/04

CPC分类号： G21K5/04 ,  H05H7/06 ,  H05H7/10

摘要： A charged-particle beam accelerator includes an RF-KO unit for increasing the amplitude of betatron oscillation of a charged-particle beam within a stable region of resonance and an extraction quadrupole electromagnet unit for varying the stable region of resonance. The RF-KO unit is operated within a frequency range in which the circulating beam does not go beyond a boundary of the stable region of resonance, and the extraction quadrupole electromagnet unit is operated with appropriate timing as required for beam extraction so that the charged-particle beam is extracted with desired timing.

摘要翻译： 带电粒子束加速器包括用于增加谐振区域内的带电粒子束的贝塔振荡幅度的RF-KO单元和用于改变稳定谐振区域的提取四极电磁体单元。 RF-KO单元在循环光束不超过稳定谐振区域的边界的频率范围内操作，并且提取四极电磁体单元根据束提取所需的适当定时进行操作， 以期望的时刻提取粒子束。

公开(公告)号：US09265970B2

公开(公告)日：2016-02-23

申请号：US13393418

申请日：2011-03-02

申请人： Taizo Honda ,  Masahiro Ikeda

发明人： Taizo Honda ,  Masahiro Ikeda

IPC分类号： H01J3/26 ,  A61N5/10

CPC分类号： A61N5/1043 ,  A61N5/1067 ,  A61N5/1068 ,  A61N2005/1059 ,  A61N2005/1087 ,  A61N2005/1095

摘要： A particle beam irradiation system comprises deflection electromagnets which scan by deflecting the particle beam in two dimensions in the lateral direction which is perpendicular to an irradiation direction of the particle beam, and an energy width expanding device through which the particle beam passes so as to expand an energy width of the particle beam and form a SOBP in a depth direction of the irradiation target, that is, in an irradiation direction of the particle beam, wherein the energy width expanding device is configured to form the SOBP in the depth direction along whole irradiation area in the depth direction of the irradiation target, and the deflection electromagnets are controlled so as for an irradiation spot which is formed in the irradiation target by the particle beam to move stepwise along whole irradiation area in the lateral direction of the irradiation target.

摘要翻译： 粒子束照射系统包括偏转电磁体，该偏转电磁体通过在与粒子束的照射方向垂直的横向方向上的二维偏转粒子束进行扫描;以及能量扩大装置，粒子束通过该能量扩张装置以扩展 粒子束的能量宽度，并且在照射对象的深度方向，即在粒子束的照射方向上形成SOBP，其中，能量宽度扩展装置被构造成沿着整个深度方向形成SOBP 照射对象的深度方向的照射区域，并且对于通过粒子束形成在照射对象物上的照射点，控制偏转电磁体，沿着照射对象的横向的整个照射区域逐步移动。

公开(公告)号：US08854048B2

公开(公告)日：2014-10-07

申请号：US13262866

申请日：2011-03-10

申请人： Toshihiro Otani ,  Hisashi Harada ,  Masahiro Ikeda ,  Kazushi Hanakawa ,  Taizo Honda

发明人： Toshihiro Otani ,  Hisashi Harada ,  Masahiro Ikeda ,  Kazushi Hanakawa ,  Taizo Honda

IPC分类号： G01N27/62 ,  A61N5/10

CPC分类号： H01J37/304 ,  A61N5/1048 ,  A61N5/1071 ,  A61N5/1077 ,  A61N2005/1087 ,  H01J47/02

摘要： In a particle beam therapy system which scans a particle beam and irradiates the particle beam to an irradiation position of an irradiation subject and has a dose monitoring device for measuring a dose of the particle beam and an ionization chamber smaller than the dose monitoring device, the ionization chamber measuring a dose of a particle beam passing through the dose monitoring device, the dose of the particle beam irradiated by the dose monitoring device is measured; the dose of the particle beam passing through the dose monitoring device is measured by the small ionization chamber; and a correction coefficient of the dose measured by the dose monitoring device corresponding to the irradiation position is found based on the dose of the particle beam measured by the small ionization chamber.

摘要翻译： 在粒子束治疗系统中，扫描粒子束并将粒子束照射到照射对象的照射位置，并且具有用于测量粒子束的剂量和小于剂量监测装置的电离室的剂量监测装置， 电离室测量通过剂量监测装置的粒子束的剂量，测量由剂量监测装置照射的粒子束的剂量; 通过小电离室测量通过剂量监测装置的粒子束的剂量; 并且基于由小电离室测量的粒子束的剂量，求出由与照射位置对应的剂量监测装置测量的剂量的校正​​系数。

公开(公告)号：US08553188B2

公开(公告)日：2013-10-08

申请号：US13358028

申请日：2012-01-25

申请人： Arihiro Takeda ,  Katsufumi Ohmuro ,  Yoshio Koike ,  Shingo Kataoka ,  Takahiro Sasaki ,  Takashi Sasabayashi ,  Hideaki Tsuda ,  Hideo Chida ,  Makoto Ohashi ,  Kenji Okamoto ,  Hisashi Yamaguchi ,  Minoru Otani ,  Makoto Morishige ,  Noriaki Furukawa ,  Tsuyoshi Kamada ,  Yoshinori Tanaka ,  Atuyuki Hoshino ,  Shougo Hayashi ,  Hideaki Takizawa ,  Takeshi Kinjou ,  Makoto Tachibanaki ,  Keiji Imoto ,  Tadashi Hasegawa ,  Hidefumi Yoshida ,  Hiroyasu Inoue ,  Yoji Taniguchi ,  Tetsuya Fujikawa ,  Satoshi Murata ,  Manabu Sawasaki ,  Tomonori Tanose ,  Siro Hirota ,  Masahiro Ikeda ,  Kunihiro Tashiro ,  Kouji Tsukao ,  Yasutoshi Tasaka ,  Takatoshi Mayama ,  Seiji Tanuma ,  Yohei Nakanishi

发明人： Arihiro Takeda ,  Katsufumi Ohmuro ,  Yoshio Koike ,  Shingo Kataoka ,  Takahiro Sasaki ,  Takashi Sasabayashi ,  Hideaki Tsuda ,  Hideo Chida ,  Makoto Ohashi ,  Kenji Okamoto ,  Hisashi Yamaguchi ,  Minoru Otani ,  Makoto Morishige ,  Noriaki Furukawa ,  Tsuyoshi Kamada ,  Yoshinori Tanaka ,  Atuyuki Hoshino ,  Shougo Hayashi ,  Hideaki Takizawa ,  Takeshi Kinjou ,  Makoto Tachibanaki ,  Keiji Imoto ,  Tadashi Hasegawa ,  Hidefumi Yoshida ,  Hiroyasu Inoue ,  Yoji Taniguchi ,  Tetsuya Fujikawa ,  Satoshi Murata ,  Manabu Sawasaki ,  Tomonori Tanose ,  Siro Hirota ,  Masahiro Ikeda ,  Kunihiro Tashiro ,  Kouji Tsukao ,  Yasutoshi Tasaka ,  Takatoshi Mayama ,  Seiji Tanuma ,  Yohei Nakanishi

IPC分类号： G02F1/1343

CPC分类号： G02F1/133753 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/134336 ,  G02F1/1393 ,  G02F2001/133388 ,  G02F2413/10

摘要： A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels. The device also includes a structure which is formed in an outer area located next to the display area, but that does not overlap the display area, and is substantially the same as at least one of the plurality of domain regulating structures.

摘要翻译： 一种液晶显示装置，包括设置在第一基板和第二基板之间的包括液晶分子的液晶层; 形成显示区域的像素; 用于在每个像素内的液晶层上施加电压的电极; 以及多个域调节结构，用于当在每个像素内的液晶层上施加预定电压时，分离液晶分子的取向并在每个像素内形成多个畴。 该装置还包括形成在位于显示区域附近但不与显示区域重叠的外部区域中的结构，并且与多个区域调节结构中的至少一个基本相同。

公开(公告)号：US20130193353A1

公开(公告)日：2013-08-01

申请号：US13582645

申请日：2012-01-26

申请人： Masahiro Ikeda ,  Yuko Kijima ,  Shunsuke Okada

发明人： Masahiro Ikeda ,  Yuko Kijima ,  Shunsuke Okada

IPC分类号： H05H13/04 ,  A61N5/10

CPC分类号： H05H13/04 ,  A61N2005/1087 ,  H05H2007/046 ,  H05H2277/11

摘要： The objective is to obtain a charged particle accelerator where the amount of pattern data for operating an acceleration cavity and electromagnets based on time clocks is reduced and the pattern data communication time is shortened. An accelerator control apparatus provided in a charged particle accelerator of the present invention is characterized by including a clock generation unit that generates an acceleration cavity clock and an electromagnet clock that is synchronized with the acceleration cavity clock and has a frequency lower than that of the acceleration cavity clock; a high-frequency control unit that controls an acceleration cavity, based on an acceleration cavity pattern stored in a first pattern memory and the acceleration cavity clock; and a deflection electromagnet control unit that controls a deflection electromagnet, based on a deflection electromagnet pattern stored in a second pattern memory and the electromagnet clock.

摘要翻译： 目的是获得一种带电粒子加速器，其中用于操作基于时钟的加速腔和电磁体的模式数据量减少，并且模式数据通信时间缩短。 在本发明的带电粒子加速器中设置的加速器控制装置的特征在于，包括：时钟生成部，其生成加速腔时钟;以及与加速腔时钟同步的电磁时钟，其频率比加速度 腔钟; 基于存储在第一图案存储器中的加速腔图案和加速腔时钟控制加速腔的高频控制单元; 以及基于存储在第二图案存储器中的偏转电磁体图案和电磁时钟来控制偏转电磁体的偏转电磁体控制单元。

公开(公告)号：US08322615B2

公开(公告)日：2012-12-04

申请号：US13417570

申请日：2012-03-12

申请人： Masahiro Ikeda

发明人： Masahiro Ikeda

IPC分类号： G06K17/00

CPC分类号： G06K7/10782 ,  G06K7/0004 ,  G06K7/10336 ,  G06K7/14 ,  H04B5/00 ,  H04B5/0056 ,  H04B5/0081

摘要： An information reading apparatus includes: a transfer path for transferring an information recording medium (a passport); an image sensor which is placed in a frame constructing the transfer path and optically reads information recorded in the information recording medium (the passport); and non-contact communication antennas which send and receive information to/from an antenna or an antenna embedded in the information recording medium (the passport), through electromagnetic induction. The plurality of non-contact communication antennas are laid out in the frame constructing the transfer path.