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    • 45. 发明授权
    • Dual field of view sensor
    • 双视场传感器
    • US4574197A
    • 1986-03-04
    • US478438
    • 1983-03-24
    • Waldo W. Kliever
    • Waldo W. Kliever
    • G02B20060101G02B23/12G02B26/12H04N3/08H04N13/00H04N13/02H01J31/50
    • H04N13/0217G02B23/12H04N3/08H04N13/0048H04N13/0438H04N13/0497
    • A dual field of view sensor, particularly adapted for use as a forward-looking infrared night vision detector, includes a single detector (24) for receiving a light signal and developing an output electrical signal therefrom. A rotating polygon scanner (16) having a plurality of reflective facet (14) thereon receives light (12, 34) from two separate optical systems (10, 32) and directs the light onto the facets (14) of the scanner (16) at positions offset by one-half the facet angle such that the light beams alternately strike a facet and the juncture between two facets. The reflected light is then directed through a beam splitter 40 onto the detector in an alternating, interleaved sweeping motion. The beam splitter permits only one at a time of the light (12, 34) from entering the detector. In one embodiment, both optical systems include a steerable dual field of view telescope. In a second embodiment, a transparent display (60) such as an LCD panel, impresses a data image on one light beam (52) and the signals developed from that and another light beam are combined to drive a display. In a third embodiment, the two light beams represent the input to a stereoscopic viewing system, and the separate signals developed therefrom are used to drive a pair of small helmet-mounted displays for individual viewing by the wearer's left and right eyes to provide stereoscopic night vision viewing.
    • 特别适合用作前视红外夜视检测器的双视场传感器包括用于接收光信号并从其中显现输出电信号的单个检测器(24)。 具有多个反射小面(14)的旋转多边形扫描器(16)从两个单独的光学系统(10,32)接收光(12,34),并将光引导到扫描仪(16)的刻面(14)上, 在偏移角度的一半的位置处,使得光束交替地敲击小平面和两个面之间的接合部。 然后将反射光以交替的,交错的清扫动作引导到分束器40到检测器上。 光束分离器仅允许一次光(12,34)进入检测器。 在一个实施例中,两个光学系统包括可操纵的双视野望远镜。 在第二实施例中,诸如LCD面板的透明显示器(60)在一个光束(52)上印刷数据图像,并且从该光源发出的信号和另一个光束被组合以驱动显示器。 在第三实施例中,两个光束代表立体观看系统的输入,并且从其开发的单独的信号用于驱动一对小型头盔安装显示器,用于由佩戴者的左眼和右眼单独观看以提供立体视觉夜景 视力观看。
    • 46. 发明授权
    • Device for linearly guiding a scanner
    • 用于线性引导扫描仪的装置
    • US4476492A
    • 1984-10-09
    • US407487
    • 1982-08-12
    • Karl-Heinz Muth
    • Karl-Heinz Muth
    • G02B26/10G12B5/00H04N3/02H04N3/08
    • G12B5/00
    • A device for effecting exact scanning of an object along a path extending in a predetermined coordinate direction has two rigidly connected drivers acting in opposite directions with respect to each other. One of the drivers is operatively connected to impart oscillating motion to a scanner carrier suspended on springs, and the other driver is connected to impart oscillating motion to a counterweight suspended on springs, with the weight of the counterweight being substantially equal to the scanner carrier plus the scanner. The guiding device also has a control circuit for controlling the movements of the scanner carrier and counterweight to be in opposite directions so as to counterbalance dynamic movements in the scanning device. Linear guide elements are provided guiding the scanner carrier and means are provided for laterally displacing the scanning line of the scanner.
    • 用于沿着沿预定坐标方向延伸的路径实现物体的精确扫描的装置具有两个相对于彼此相反方向作用的刚性连接的驱动器。 驱动器中的一个可操作地连接以将摆动运动传递到悬挂在弹簧上的扫描器托架,另一个驱动器被连接以将摆动运动传递到悬挂在弹簧上的配重,配重的重量基本上等于扫描仪托架加上 扫描仪 引导装置还具有控制电路,用于控制扫描仪托架和配重的运动方向相反,以平衡扫描装置中的动态运动。 引导引导扫描仪载体的直线引导元件被设置用于横向移动扫描仪的扫描线。
    • 47. 发明授权
    • Optical raster scanning system
    • 光栅扫描系统
    • US4246612A
    • 1981-01-20
    • US98366
    • 1979-11-28
    • Peter J. BerryDavid S. Ritchie
    • Peter J. BerryDavid S. Ritchie
    • H04N3/08
    • H04N3/08
    • An optical scanning system comprises a raster scan imager mounted on a support which is rotatable in azimuth, the imager being arranged to provide a line scan which is substantially coplanar with the azimuthal rotational axis and a frame scan which is orthogonal to the line scan, a sensor is provided for monitoring azimuthal rotational rate of the support and a frame scan control means is coupled to the sensor and arranged to provide that the frame scan rate at a field of view is constant and corresponds to a standard T.V. field scan rate irrespective of the azimuthal rotational rate.
    • 光学扫描系统包括安装在可在方位角旋转的支撑件上的光栅扫描成像器,该成像器设置成提供与方位旋转轴基本上共面的线扫描和与行扫描正交的帧扫描, 传感器被提供用于监测支架的方位角旋转速率,并且帧扫描控制装置耦合到传感器并被布置成提供在视野下的帧扫描速率是恒定的并且对应于标准TV场扫描速率,而不管 方位角转速。
    • 49. 发明授权
    • Scanning devices
    • US3973826A
    • 1976-08-10
    • US536471
    • 1974-12-26
    • Daniel Richard Lobb
    • Daniel Richard Lobb
    • G02B5/09G02B26/12H04N3/08G02B27/17H04N3/00
    • G02B26/129G02B5/09H04N3/08
    • A mirror drum type of light beam, or other radiation beam, scanning device comprising a rotating mirror drum and an arcuate set of optical, or like, elements arranged coaxially with the mirror drum. An incident beam, directed upon the mirror drum strikes each mirror face in turn as the drum rotates. Each mirror face sweeps the reflected beam across each optical element in turn of the arcuate set. Each optical element is adapted to return the beam to the same mirror face whence it came. The same beam is thereby deflected a second time by the same mirror face to produce an angular rate of rotation of the final reflected beam of four times the angular rate of rotation of the mirror drum.In a modification, a second mirror drum, with convex mirror faces, sweeps the beam over a concave mirror as a pre-scanner, so that the beam follows the reflecting mirror face of the main mirror drum, in rotation. In this modification, the main and second mirror drums may be coaxial and the arcuate set of discrete optical elements replaced by a single element extending over the beam-acceptance arc.