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    • 71. 发明授权
    • X-ray diagnostics apparatus with correction means
    • 具有校正装置的X射线诊断装置
    • US5406610A
    • 1995-04-11
    • US159307
    • 1993-11-30
    • Masayuki Nishiki
    • Masayuki Nishiki
    • A61B6/00H04N5/32H05G1/60H04N5/321H01J31/50
    • H04N5/3653H04N5/32H05G1/60
    • An X-ray diagnostics apparatus in which sensitivity of an overlapped image is uniform everywhere. The X-ray diagnostics apparatus includes: a first image sensing device which senses analog image; a first A-D converter which converts the analog image obtained by the first image sensing device to a digital image; a first memory which stores digital-converted image data obtained by the first A-D converter; a second image sensing device which senses an analog image; a second A-D converter which converts the analog image obtained by the second image sensing device to a digital image; a second memory which stores digital-converted image data obtained by the second A-D converter; a divider unit which generates coefficient in which the image data stored in the first memory is divided by the image data stored in the second memory; line memory which stores the generated coefficient; and composite image memory which overlapps image data obtained by the first memory and the second memory in a manner that the coefficient is multiplied to the image data in the second memory for each line.
    • 一种X射线诊断装置,其中重叠图像的灵敏度在任何地方均匀。 X射线诊断装置包括:感测模拟图像的第一图像感测装置; 第一A-D转换器,其将由第一图像感测装置获得的模拟图像转换为数字图像; 存储由第一A-D转换器获得的数字转换图像数据的第一存储器; 感测模拟图像的第二图像感测装置; 第二A-D转换器,其将由第二图像感测装置获得的模拟图像转换为数字图像; 第二存储器,其存储由所述第二A-D转换器获得的数字转换图像数据; 一个除法器单元,其产生其中存储在第一存储器中的图像数据被存储在第二存储器中的图像数据划分的系数; 存储所生成的系数的行存储器; 以及合成图像存储器,其以与系数乘以第二存储器中的图像数据的方式对应于由第一存储器和第二存储器获得的图像数据重叠。
    • 73. 发明授权
    • Portable monocular night vision apparatus
    • 便携式单眼夜视仪
    • US5396069A
    • 1995-03-07
    • US85388
    • 1993-07-01
    • Jeffrey L. CraigCharles Bates, Jr.Harry L. TaskSheldon E. Unger
    • Jeffrey L. CraigCharles Bates, Jr.Harry L. TaskSheldon E. Unger
    • G02B23/12H01J31/50
    • G02B23/12
    • A monocular night vision apparatus employing an infrared energy spectrum source of illumination and a camera lens and night vision image intensifier combined receiver apparatus into a small hand-held portable package that is both low in cost and reliable in nature is described. The night vision transmitter apparatus includes a laser diode energy source that is coupled to an aperture controlled and focus controlled optical system and driven by an electronic closed-loop feedback energization circuit which employs self-contained battery sources of energy. Multiple operating modes and operating intensities of the light source are provided through a plurality of signal inputs to the closed feedback loop of the laser diode energy source. Disturbance of the closed feedback loop by reflected energy within the optical transmitter apparatus is precluded by the use of feedback prevention optical alignment in the transmitter's optical system.
    • 描述了一种采用红外能量光源的单眼夜视仪,并将摄像机镜头和夜视图像增强器组合的接收机装置组合成成本低,性质可靠的小型手持便携式包装。 夜视发射机设备包括激光二极管能源,其耦合到孔径受控和聚焦控制的光学系统,并由采用独立电池的能量的电子闭环反馈通电电路驱动。 通过对激光二极管能量源的闭合反馈回路的多个信号输入来提供光源的多种操作模式和操作强度。 通过在发射机的光学系统中使用反馈防止光学对准来排除光发射机设备内的反射能量对闭合反馈环路的干扰。
    • 75. 发明授权
    • Light-weight night vision device
    • 轻量夜视仪
    • US5365057A
    • 1994-11-15
    • US87498
    • 1993-07-02
    • Roland M. MorleyO'Dell Keil
    • Roland M. MorleyO'Dell Keil
    • G02B23/12H01J29/00H01J31/50
    • H01J29/003G02B23/12H01J2229/003
    • A light-weight night vision device includes a housing carrying an objective lens through which low-level light from a scene to be viewed is received. The housing carries an image intensifier tube receiving the low-level light from the objective lens, and providing in response an image representative of the scene. An eye piece carried by the housing provides a user of the device with an view of the representative image. The housing includes a light-weight portion which both carries the objective lens and partially houses the image intensifier tube. This light-weight housing portion also serves to shield the image intensifier tube from radio frequency and electrostatic interference.
    • 一种重量轻的夜视装置包括承载物镜的外壳,通过该物镜接收来自待观看的场景的低级光。 外壳承载从物镜接收低级光的图像增强管,并响应地提供代表场景的图像。 由外壳承载的眼睛部件为该装置的使用者提供了代表性图像的视图。 壳体包括轻量部分,两者都携带物镜并且部分地容纳图像增强管。 这种轻量的壳体部分还用于屏蔽图像增强管免受射频和静电干扰。
    • 78. 发明授权
    • X-ray image intensifier tube having a photocathode and a scintillator
screen positioned on a microchannel array
    • 具有光电阴极的X射线图像增强管和位于微通道阵列上的闪烁体屏幕
    • US5319189A
    • 1994-06-07
    • US21451
    • 1993-02-23
    • Yves BeauvaisPaul de Groot
    • Yves BeauvaisPaul de Groot
    • H01J29/38H01J31/50H01J40/14
    • H01J31/506H01J31/501
    • An X-ray image intensifier tube includes a scintillator screen for converting ionizing radiation into light radiation or near-visible radiation, a microchannel array for achieving electron multiplication, and a photoelectrode positioned directly on an input face of the microchannel array. The input face of the microchannel array is coated with an electrically conductive layer which directly contacts the photocathode. The present design eliminates strict spacing requirements between the photocathode and the microchannel array and allows the photocathode and the microchannel array to operate at a single potential rather than requiring separate potentials. The requirement of a separate support for the scintillator screen is also obviated since the scintillator screen is formed on the input face of the microchannel array.
    • X射线图像增强管包括用于将电离辐射转换成光辐射或近似可见辐射的闪烁体屏幕,用于实现电子倍增的微通道阵列和直接位于微通道阵列的输入面上的光电极。 微通道阵列的输入面涂覆有直接接触光电阴极的导电层。 本设计消除了光电阴极和微通道阵列之间的严格的间隔要求,并允许光电阴极和微通道阵列在单个电位下操作,而不需要单独的电位。 闪烁体屏幕的单独支持的要求也被消除,因为闪烁体屏幕形成在微通道阵列的输入面上。