Photoelectron microscope
    1.
    发明授权
    Photoelectron microscope 失效
    光电子显微镜

    公开(公告)号:US5045696A

    公开(公告)日:1991-09-03

    申请号:US494443

    申请日:1990-03-16

    申请人: Hideo Hirose

    发明人: Hideo Hirose

    摘要: A photoelectron microscope wherein a normal conductive coil is used to produce a divergent magnetic field to form an enlarged photoelectron image of a specimen to be examined. The coil is only momentarily energized by pulse current, and in synchronism with the energization of the coil and while the change of the resultant magnetic field with time is small, the radiation source is actuated to produce a radiation pulse so that the photoelectrons produced upon irradiation of a specimen with the pulse flies through the magnetic field so as to be received by an image forming device. The image forming device is operated in synchronism with and a predetermined variable period of time after the actuation of the radiation source thereby to obtain photoelectron images of the specimen of different energy levels. By skimming only those photoelectrons of low energy which are emitted close to the axis of the magnetic field, it is possible to obtain images of high resolution.

    Image control apparatus utilizing the convolution of phosphors
    2.
    发明授权
    Image control apparatus utilizing the convolution of phosphors 失效
    影像控制装置利用磷光体的变化

    公开(公告)号:US3631252A

    公开(公告)日:1971-12-28

    申请号:US3631252D

    申请日:1970-03-24

    申请人: US AIR FORCE

    发明人: GEBEL RADAMES K H

    IPC分类号: H01J31/50 H01J39/12

    摘要: By using the delay time incurred in image reproduction brought about by the convolution action of the phosphor in image converter tubes, time is obtained in which to turn off the reproduction of the image or to lower the reproduction intensity so that the intensity of the oncoming image will not damage a camera tube or overexpose photographic film. Conversely, time may be achieved in which to turn the image on, likewise to a camera tube or photographic film, or reproducing or recording a fastacting phenomenon such as a lightning flash or bomb burst without the necessity of wasteful continuous exposure in order to ''''catch'''' the desired image.

    Integrated imaging and ranging lidar receiver with ranging information
pickoff circuit
    3.
    发明授权
    Integrated imaging and ranging lidar receiver with ranging information pickoff circuit 失效
    具有测距信息检测电路的集成成像和测距激光雷达接收机

    公开(公告)号:US5220164A

    公开(公告)日:1993-06-15

    申请号:US876966

    申请日:1992-04-30

    摘要: An integrated LIDAR receiver includes a single detection element to provide both imaging and ranging functions. The single detection element includes an opaque photocathode, a microchannel plate (MCP) electron multiplier, and a phosphor coated anode covered with a metalized layer. The metalized layer on the phosphor anode allows electrons striking the anode to be detected as a prompt electrical current. The prompt electrical current is detected through a transformer that couples the anode to a power supply. The power supply biases the anode relative to the MCP and photocathode such that the MCP is grounded. The use of a transformer allows the prompt anode current to be detected without having to ground the anode, thereby simplifying the power supply circuitry. The detection of the prompt electrical current provides a first output signal useful for ranging information. Visible light (photons) is also output from the anode in response to electrons striking the phosphor in the anode, and is used to provide an intensified image of a scene. The visible light may thereafter be detected by an imaging sensor, such as a CCD camera.

    摘要翻译: 集成的LIDAR接收器包括单个检测元件以提供成像和测距功能。 单个检测元件包括不透明光电阴极,微通道板(MCP)电子倍增器和覆盖有金属化层的荧光体涂覆的阳极。 磷光体阳极上的金属化层允许电子撞击阳极被检测为电流迅速。 通过将阳极耦合到电源的变压器检测到迅速的电流。 电源相对于MCP和光电阴极偏置阳极,使得MCP接地。 使用变压器允许检测到正负极电流,而不必将阳极接地,从而简化了电源电路。 对瞬时电流的检测提供了对测距信息有用的第一输出信号。 响应于撞击阳极中的磷光体的电子,可见光(光子)也从阳极输出,并用于提供场景的增强图像。 此后可以通过诸如CCD照相机的成像传感器来检测可见光。

    Integrated imaging and ranging lidar receiver
    4.
    发明授权
    Integrated imaging and ranging lidar receiver 失效
    集成成像和测距激光雷达接收器

    公开(公告)号:US5198657A

    公开(公告)日:1993-03-30

    申请号:US831403

    申请日:1992-02-05

    摘要: An integrated LIDAR receiver includes a single detection element to provide both imaging and ranging functions. The single detection element includes an opaque photocathode, a microchannel plate (MCP) electron multiplier, and a phosphor coated anode covered with a metalized layer. The metalized layer on the phosphor anode allows electrons striking the anode to be detected as a prompt electrical current and used as a first output signal to provide ranging information. Visible light (photons) is also output from the anode in response to electrons striking the phosphor in the anode, and is used to provide an intensified image of a scene. The visible light may thereafter be detected by an imaging sensor, such as a CCD camera. The phosphor anode is biased at ground potential. A transimpedance amplifier is coupled to the metalized layer on the phosphor anode and, with the anode being at ground potential, operates with a virtual null input.

    摘要翻译: 集成的LIDAR接收器包括单个检测元件以提供成像和测距功能。 单个检测元件包括不透明光电阴极,微通道板(MCP)电子倍增器和覆盖有金属化层的荧光体涂覆的阳极。 磷光体阳极上的金属化层允许电子撞击阳极被检测为一个及时的电流,并用作第一输出信号以提供测距信息。 响应于撞击阳极中的磷光体的电子,可见光(光子)也从阳极输出,并用于提供场景的增强图像。 此后可以通过诸如CCD照相机的成像传感器来检测可见光。 磷光体阳极偏置在地电位。 跨阻放大器耦合到磷光体阳极上的金属化层,并且在阳极处于地电位的同时,虚拟空输入进行操作。

    Electron image integration intensifier tube
    5.
    发明授权
    Electron image integration intensifier tube 失效
    电子图像集成增压管

    公开(公告)号:US3914600A

    公开(公告)日:1975-10-21

    申请号:US49191074

    申请日:1974-07-25

    申请人: US ARMY

    发明人: REDMAN CHARLES M

    IPC分类号: H01J29/44 H01J31/24 H01J31/50

    摘要: An optical or photon image is converted by a photocathode to an electron image. A semiconductor plate receives the electron image on a first side thereof. For an electronically controlled time, the image is integrated and stored in thousands of reversed biased PN junctions connected to micro-sized conductors, in the plate. An intensified image is then transferred from a second side of the plate, at an electronically controlled time, to an output plate where the intensified image may be viewed.

    摘要翻译: 通过光电阴极将光学或光子图像转换成电子图像。 半导体板在其第一侧接收电子图像。 对于电子控制时间,图像被集成并存储在板中连接到微尺寸导体的数千个反向偏置PN结中。 然后将强化图像从电子控制时间的板的第二侧转移到可以观看增强图像的输出板。

    Sec camera tube and image intensifier protection against excessive light damage
    7.
    发明授权
    Sec camera tube and image intensifier protection against excessive light damage 失效
    SEC相机管和图像增强器防止过度光损坏

    公开(公告)号:US3706903A

    公开(公告)日:1972-12-19

    申请号:US3706903D

    申请日:1969-11-03

    IPC分类号: H01J31/50 H04N5/228 H01J31/48

    摘要: Protection of a low level television camera tube used with an image intensifier tube is provided by a shutter and a current limiting element in series with the photocathode of the image intensifier tube to cause the electron image in the intensifier to defocus, thereby providing protection for the camera tube while the shutter is being closed. A current limiting element in series with the photocathode of the camera tube further aids in protecting the target of the camera tube by reducing the kinetic energy of photoelectrons produced in response to a light image from the intensifier. A photodetector responds to excessive illumination to cause a control circuit to close the shutter.

    摘要翻译: 与图像增强管一起使用的低电平电视摄像机管的保护由与图像增强管的光电阴极串联的快门和限流元件提供,以使增强器中的电子图像散焦,从而为 相机管,同时快门关闭。 与相机管的光电阴极串联的限流元件还有助于通过减少响应于来自增强器的光图像而产生的光电子的动能来保护照相机管的目标。 光电探测器响应过度照明,使控制电路关闭快门。