公开(公告)号：US5461233A

公开(公告)日：1995-10-24

申请号：US210950

申请日：1994-03-21

申请人： Koei Yamamoto ,  Kazuhisa Miyaguchi ,  Notio Takahashi ,  Keisuke Mori ,  Masakazu Suzuki ,  Takao Makino

发明人： Koei Yamamoto ,  Kazuhisa Miyaguchi ,  Notio Takahashi ,  Keisuke Mori ,  Masakazu Suzuki ,  Takao Makino

IPC分类号： A61B6/00 ,  A61B6/14 ,  G01T1/20

CPC分类号： A61B6/14 ,  G01T1/2018

摘要： A medical X-ray tomographing apparatus, wherein the output end surfaces of a plurality of optical fiber bundles are optically coupled to the image pickup surfaces of vertically long solid-state image pickup devices, such as one-dimensional image sensors, and the input end surfaces of a plurality of the optical fiber bundles having a vertically long cross-sectional shape being identical to that of the output end surfaces thereof are optically coupled individually to a plurality of vertically long divisions obtained by dividing the fluorescent surface of a scintillator in the width direction thereof. With this apparatus, it is not necessary to significantly contract the size of the image on the fluorescent surface, thereby remarkably reducing the number of the solid-state image pickup devices and the number of the divisions of the fluorescent surface.

摘要翻译： 一种医用X射线断层摄影装置，其中，多个光纤束的输出端面光学耦合到诸如一维图像传感器的垂直长度固态图像拾取装置的图像拾取表面，并且输入端 具有与其输出端面相同的垂直长横截面形状的多个光纤束的表面被光耦合到通过将闪烁体的荧光表面划分为宽度而获得的多个垂直长分割 方向。 利用该装置，不需要在荧光表面上显着地收缩图像的尺寸，从而显着地减少固态图像拾取装置的数量和荧光表面的分割数。

公开(公告)号：US5208696A

公开(公告)日：1993-05-04

申请号：US362551

申请日：1989-06-07

申请人： Yuji Kobayashi ,  Tsutomu Hara ,  Yoshiharu Ooi

发明人： Yuji Kobayashi ,  Tsutomu Hara ,  Yoshiharu Ooi

IPC分类号： G02F3/00 ,  G02F1/03 ,  H01J31/24

CPC分类号： G02F1/0333

摘要： An input incoherent optical image to be supplied to a microchannel spatial light modulator (MSLM) is produced by a CRT in accordance with an input electric signal provided from a computer. An output coherent optical image is read-out by launching a laser beam into an electro-optic material incorporated in the MSLM which stores the input image as a refractive index distribution.

摘要翻译： 根据从计算机提供的输入电信号由CRT产生要提供给微通道空间光调制器（MSLM）的输入非相干光学图像。 通过将激光束发射到结合在MSLM中的电光材料中来读出输出相干光学图像，MSLM将输入图像存储为折射率分布。

公开(公告)号：US5173954A

公开(公告)日：1992-12-22

申请号：US813045

申请日：1991-12-23

申请人： Makoto Kato ,  Yoshihiro Takiguchi

发明人： Makoto Kato ,  Yoshihiro Takiguchi

IPC分类号： H01J31/50

CPC分类号： H01J31/501

摘要： A spatial light modulation device includes a spatial light modulation tube and converts a one-dimensional photoelectron image into a two-dimensional electron image, rotating the two-dimensional electron image, subjecting the rotated two-dimensional electron image and a previously stored electron image to addition or subtraction, and stores the electron image thus processed. An image reconstructing apparatus includes: projection means for detecting as projection data a projection of internal information of an object; the spatial light modulation device which produces and stores a corrected reconstructed image on the basis of a one-dimensional correction data image and a previously stored reconstructed image; optical reading means for reading out the reconstructed image form the spatial light modulation device; summing means for integrating parts of the readout reconstructed image to produce sum data; and comparison and correction means for subjecting the projection data and the sum data to comparison to form the one-dimensional correction data image.

摘要翻译： 空间光调制装置包括空间光调制管，并将一维光电子图像转换成二维电子图像，旋转二维电子图像，对旋转的二维电子图像和预先存储的电子图像进行 加法或减法，并存储如此处理的电子图像。 一种图像重建装置，包括：投影装置，用于检测作为投影数据的物体的内部信息的投影; 空间光调制装置，其基于一维校正数据图像和先前存储的重建图像产生并存储经校正的重建图像; 光学读取装置，用于从空间光调制装置读出重建图像; 求和装置，用于对读出的重构图像的部分进行积分以产生和数据; 以及用于对投影数据和和数据进行比较的比较和校正装置，以形成一维校正数据图像。

公开(公告)号：US5051573A

公开(公告)日：1991-09-24

申请号：US435739

申请日：1989-11-14

申请人： Yoshihiko Mizushima ,  Kazutoshi Nakajima ,  Toru Hirohata ,  Takashi Iida ,  Yoshihisa Warashina ,  Kenichi Sugimoto ,  Hirofumi Kan

发明人： Yoshihiko Mizushima ,  Kazutoshi Nakajima ,  Toru Hirohata ,  Takashi Iida ,  Yoshihisa Warashina ,  Kenichi Sugimoto ,  Hirofumi Kan

IPC分类号： H03K19/14

CPC分类号： H03K19/14

摘要： A plurality of ultra-high speed light receiving elements are provided each of which has two rectifier junctions being connected to each other opposite in polarity and has a substantially symmetrical electrode arrangement. A bias voltage is applied to each of the light receiving elements from one or a plurality of power sources. Electrical signals produced by the light receiving elements in response to input optical pulse signals are superposed on one another to produce one or a plurality of output electrical signals representing a predetermined logic operation with respect to the input optical pulse signals. Depending on the arrangement of its elements, the optical logic operation system functions as an OR circuit, AND circuit, NOT circuit, EXCLUSIVE OR circuit, or half-adder circuit.

摘要翻译： 提供了多个超高速光接收元件，每个超高速光接收元件具有彼此相反极性连接的两个整流器接头，并且具有基本上对称的电极布置。 偏置电压从一个或多个电源施加到每个光接收元件。 响应于输入光脉冲信号由光接收元件产生的电信号彼此重叠以产生表示相对于输入光脉冲信号的预定逻辑运算的一个或多个输出电信号。 根据其元件的布置，光逻辑操作系统用作OR电路，AND电路，NOT电路，EXCLUSIVE OR电路或半加法器电路。

公开(公告)号：US4958124A

公开(公告)日：1990-09-18

申请号：US245253

申请日：1988-09-16

申请人： Musubu Koishi ,  Shinichiro Aoshima ,  Yutaka Tsuchiya

发明人： Musubu Koishi ,  Shinichiro Aoshima ,  Yutaka Tsuchiya

IPC分类号： G01R15/00 ,  G01R15/24 ,  G01R19/00

CPC分类号： G01R15/242

摘要： A multi-channel voltage detector for converting multi-channel electrical signals into optical signals and simultaneously detecting multi-channel voltages in parallel mode. Comprising electro-optic conversion means provided thereon with a plurality of electrical circuits for receiving corresponding multi-channel electrical signals to change the refractive index at each of the locations thereon according to the supplied multi-channel electrical signals, means for supplying light having a predetermined polarization to each of the locations, each of the emergent light beams transmitted through the conversion means having a polarization different from said predetermined polarization in accordance with the change in the refractive index of the corresponding location, and photodetecting means for converting the changes in polarization of the emergent light beams to the changes in optical intensity thereof and for simultaneously detecting the changes in optical intensity of the emergent light beams in parallel to thereby simultaneously detect the multi-channel electrical signals in parallel.

公开(公告)号：US4957000A

公开(公告)日：1990-09-18

申请号：US298138

申请日：1989-01-18

申请人： David T. Delpy ,  Hideo Hiruma ,  Susumu Suzuki

发明人： David T. Delpy ,  Hideo Hiruma ,  Susumu Suzuki

IPC分类号： G01N23/04 ,  A61B8/00 ,  A61B8/08 ,  A61B8/13 ,  A61B10/00 ,  G01N21/17 ,  G01N29/04

CPC分类号： A61B8/4209 ,  A61B8/08 ,  A61B8/13 ,  A61B8/4227

摘要： An apparatus for obtaining information on the interior of an object, comprising irradiating elements for applying an electromagnetic wave or ultrasonic wave to an object being measured, detecting elements for detecting the electromagnetic wave or ultrasonic wave passed through and scattered inside the object, a holder for supporting the irradiating elements and the detecting elements in such a manner that the irradiating elements and the detecting elements are slidable and position detecting elements for detecting the position data of the irradiating elements and the detecting means with respect to the holder.

公开(公告)号：US4947031A

公开(公告)日：1990-08-07

申请号：US291893

申请日：1988-12-29

申请人： Musubu Koishi ,  Yutaka Tsuchiya ,  Katsuyuki Kinoshita ,  Yoshinori Inagaki

发明人： Musubu Koishi ,  Yutaka Tsuchiya ,  Katsuyuki Kinoshita ,  Yoshinori Inagaki

IPC分类号： H01J31/50

CPC分类号： H01J31/502

摘要： A sampling streak tube in which the signal-to-noise ratio is reduced. The tube includes a photocathode to which an incident light beam is applied and an accelerating electrode for accelerating an electron beam emitted by the photocathode the accelerating electrode being in the form of a plate with an opening through which the beam passes. The accelerated beam is passed through deflecting electrodes for deflecting the electron beam. The deflected beam crosses a slit in a sampling electrode, a sampled beam portion passing through the slit and impinging on a phosphor screen.

摘要翻译： 其中信噪比降低的采样条纹管。 该管包括施加入射光束的光电阴极和用于加速由光电阴极发射的电子束的加速电极，加速电极为具有光束通过的开口的板形式。 加速光束通过偏转电极，用于偏转电子束。 偏转的光束穿过采样电极中的狭缝，通过狭缝的入射光束部分并撞击荧光屏。

公开(公告)号：US4945241A

公开(公告)日：1990-07-31

申请号：US320255

申请日：1989-03-07

申请人： Takaji Yamashita ,  Hiroshi Uchida

发明人： Takaji Yamashita ,  Hiroshi Uchida

IPC分类号： G01T1/20 ,  G01T1/164 ,  G01T1/202

CPC分类号： G01T1/202 ,  G01T1/1644

摘要： A position-sensitive radiation detector has a multi-layer scintillator assembly coupled to a position-sensitive photo-detector. Individual scintillator blocks of rectangular solid form in each scintillator layer are optically isolated by a reflecting agent such as BaSO.sub.4, and the adjacent layers are optically coupled by a coupling agent such as silicon grease. In the case of the scintillator assembly of n layers, the scintillator blocks in one layer are staggered with those in the adjacent layer by one nth of the width of each block. In addition to information on a horizontal position, information on the depth of radiation absorption can be obtained by calculating the centroid or variance of a spatial distribution of light outputted from the scintillator assembly.

摘要翻译： 位置敏感辐射探测器具有耦合到位置敏感光电检测器的多层闪烁体组件。 每个闪烁体层中的矩形固体形式的单个闪烁体块通过诸如BaSO 4的反射剂进行光学隔离，并且相邻的层通过偶联剂如硅油光学耦合。 在n层的闪烁体组装的情况下，一层中的闪烁体块与相邻层中的闪烁体块与每个块的宽度的十分之一交错。 除了关于水平位置的信息之外，还可以通过计算从闪烁体组件输出的光的空间分布的质心或方差来获得关于辐射吸收深度的信息。

公开(公告)号：US4920310A

公开(公告)日：1990-04-24

申请号：US199350

申请日：1988-05-26

申请人： Shinichiro Aoshima ,  Yutaka Tsuchiya

发明人： Shinichiro Aoshima ,  Yutaka Tsuchiya

IPC分类号： G01R1/07 ,  G01R15/24 ,  G01R19/00 ,  G01R31/302 ,  H01L21/66

CPC分类号： G01R15/242 ,  G01R1/071

摘要： A voltage detector detects a voltage developing in a selected area of an object such as an integrated circuit by utilizing an electro-optic material equipped in an optical probe. A change in refractive index of an electro-optic material which is caused by the voltage in the object, is detected as a change of polarization of a light beam passing through the electro-optic material. In order to avoid undesired changes of polarization of the light beam when passing through optical fibers, a polarizer, beam splitters, and an analyzer are assembled together and connected to the electro-optic material to form a compact optical probe.

公开(公告)号：US4917492A

公开(公告)日：1990-04-17

申请号：US280763

申请日：1988-12-06

申请人： Musubu Koishi

发明人： Musubu Koishi

IPC分类号： G01J3/30 ,  G01J3/00 ,  G01J3/36 ,  G01J3/50

CPC分类号： G01J3/00 ,  G01J3/0264

摘要： In addition to obtaining a spectrum of a measuring spot of an object, a spectrum measuring apparatus comprises a TV camera for picking-up a total image of the object. Signals corresponding to the spectrum and the total image are superposed so that the spectrum and the total image are displayed on a screen of a TV monitor at the same time.

摘要翻译： 除了获得物体的测量点的光谱之外，光谱测量装置包括用于拾取对象的总体图像的电视摄像机。 与频谱和总图像相对应的信号被叠加，使得频谱和总图像同时显示在TV监视器的屏幕上。