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    • 1. 发明授权
    • Electrical interconnection apparatus and technique
    • 电气互连设备和技术
    • US4679881A
    • 1987-07-14
    • US731672
    • 1985-05-07
    • Aaron A. GalvinHugh D. DyerKenneth J. Leff
    • Aaron A. GalvinHugh D. DyerKenneth J. Leff
    • H01R4/24
    • H01R4/2433
    • Apparatus and technique for providing series electrical connection between a conductor and an electrical component or unit in a rapid and automatic manner without the necessity for manual manipulation or preparation of the conductor. A pair of spaced walls are provided each containing a pair of wire-guiding slots through which a wire can be looped, with the loop end extending outside one of the walls. A pair of insulation displacement connectors is provided between the walls with wire receiving grooves in alignment with the slots in the spaced walls. A knife edge is provided between one of the walls and the connectors. A cover or other element is fitted over the walls and, during closure, causes the wire to be forced into the connector grooves to make electrical connection with the respective connectors, and also causes severing of the loop end of the wire by the knife edge, thereby to provide a series electrical connection. The spaced walls can be the walls of a housing which includes an electrical unit to be connected, or can be provided in a connection apparatus which is part of the utilization circuit, unit or other means.
    • 用于以快速和自动的方式在导体和电气部件或单元之间提供串联电连接的装置和技术,而不需要手动操纵或准备导体。 提供一对隔开的壁,每个壁包含一对导线槽,线可以通过该槽线环绕,环端延伸到一个壁之外。 一对绝缘位移连接器设置在壁之间,其中导线接收槽与隔开的壁中的狭槽对准。 在其中一个壁和连接器之间设置刀刃。 盖子或其他元件安装在墙壁上,并且在封闭期间使得电线被迫进入连接器凹槽中以与相应的连接器电连接,并且还导致通过刀刃切断电线的环路端部, 从而提供串联电连接。 隔开的壁可以是壳体的壁,其包括要连接的电单元,或者可以设置在作为利用电路,单元或其它装置的一部分的连接装置中。
    • 2. 发明授权
    • Modular transceiver with adjustable specular member
    • 带可调镜头的模块化收发器
    • US4687924A
    • 1987-08-18
    • US731918
    • 1985-05-08
    • Aaron A. GalvinDouglas L. MasonKenneth J. LeffJohn N. SchideRalph A. Giffone
    • Aaron A. GalvinDouglas L. MasonKenneth J. LeffJohn N. SchideRalph A. Giffone
    • G08B17/103G08B29/14H01J5/02
    • G08B17/103G08B17/113G08B29/145
    • A modular transceiver head including cooperative cover and base members operable as a transmitter or as a receiver of infrared energy. The cover member includes a window defining a comparatively wide field of view in azimuth and in elevation. An optical train including a gimbaled specular member that is mounted to the base member readily allows both rough and fine adjustment of the pointing direction of the specular member anywhere within the field of view of the cover member window. A controller including a processor is coupled to a transceiver head pair respectively operative as a transmitter and as a receiver of infrared energy to controllably project a beam of infrared energy therebetween through a protected region. The controller is operative to de-sensitize the beam against potential electrically interfering effects present along the beam path. The controller is periodically operative in a self-test mode to reduce the intensity of the projected-beam to simulate a smoke condition. The controller is periodically operative in a self-compensation mode to compensate for long and short term beam degradation effects such as pollution variation normally encountered along the beam path arising in the normal operation of the protected region and to compensate for film build-up on the elements of the transceiver head optical trains. The controller is cooperative with a watch-dog timer to monitor its own operating state. Plural alarm thresholds are operator selectable to provide enhanced confidence detection, and particularized signal indications are provided to readily and quickly identify possible alarm and trouble conditions.
    • 一种模块化收发器头,包括可操作为发射器的合作盖和基座构件,或作为红外能量的接收器。 盖构件包括在方位角和高度上限定相对宽的视场的窗口。 包括安装在基座构件上的万向面镜面构件的光学系统容易地允许在盖构件窗口的视场内的任何位置上粗略地和精细地调整镜面构件的指向方向。 包括处理器的控制器耦合到分别用作发射器和作为红外能量的接收器的收发机头对,以可控地在其间通过保护区域投射红外能量束。 控制器可操作地使光束对光束路径上存在的潜在的电干扰效应消除敏感。 控制器在自检模式下周期性地操作,以减小投射光束的强度以模拟烟雾状况。 控制器在自补偿模式下周期性地工作以补偿长期和短期的光束劣化效应,例如沿着保护区域的正常操作中出现的沿光束通常遇到的污染变化,并补偿在 收发器头光学列车的元件。 控制器与看门狗定时器配合以监视其自身的运行状态。 多个警报阈值是操作员可选择的,以提供增强的置信度检测,并且提供特定信号指示以容易且快速地识别可能的报警和故障条件。
    • 5. 发明授权
    • Optically-based access control system
    • 光学访问控制系统
    • US4544836A
    • 1985-10-01
    • US452308
    • 1982-12-22
    • Aaron A. GalvinRoy L. HarveyKenneth J. Leff
    • Aaron A. GalvinRoy L. HarveyKenneth J. Leff
    • G06K7/14G06K19/14G07C1/14G07F7/08G06K19/00
    • G06K7/14G06K19/14G07C1/14G07F7/086Y10S283/904
    • An optically-based coded card identification system is provided in which a card having an access code defined by adjacent differently-polarized elements used in a transmissive or reflective mode is interrogated through a deep red or near infrared transmissive filter as the card is pased by a source of illumination. The use of polarization coupled with the adjacency of the differently-polarized elements makes the code nearly invisible to the naked eye, with the code being made more invisible due to the low visible light transmission of the filter on the face of the card. In one embodiment, coding for the cards is provided by overlying layers of material polarized in different directions, with portions of the layers provided with offset apertures so that light through an aperture in one layer is polaried by an unapertured portion of the adjacent layer immediately thereunder. Alternatively, the same coding effect may be achieved by providing two differently stretched overlying layers of specially prepared transparent material, overprinted front and back with offset iodine patterns, with the iodine causing a polarization characteristic to be imparted to the material at the overprinted area to provide the access code. In one embodiment, the coding elements are arranged in two rows defining complementary codes such that areas of complementary polarizations are simultaneously decoded to provide complementary signals for increasing security and the signal-to-noise ratio for the system. In a further embodiment, an unpolarized detector coupled to a pulsed output detector is used to detect the pulses produced by the light and dark areas of a bar code provided by ordinary printing of a bogus card and to inhibit access upon detection of such a bogus card.
    • 提供了一种基于光学的编码卡识别系统,其中具有由透射或反射模式使用的相邻不同偏振元件限定的访问码的卡片通过深红色或近红外透射滤光片进行询问,因为卡片由 光源。 使用与不同偏振元件相邻的偏振使得该代码对于肉眼几乎不可见,由于滤光片在卡片表面的低可见光传输,代码变得更加不可见。 在一个实施例中,通过在不同方向上偏振的材料的重叠层来提供卡的编码,其中部分层设置有偏移孔,使得通过一层中的孔的光被紧邻在其上的相邻层的未孔的部分极化 。 或者,可以通过提供两个不同拉伸的特殊制备的透明材料的上覆层来实现相同的编码效果,其具有偏移碘图案的背面和背面,其中碘引起偏振特性以赋予覆盖区域上的材料以提供 访问代码。 在一个实施例中,编码元件被布置成两行,定义互补码,使得互补极化的区域被同时解码以提供用于增加系统的安全性和信噪比的互补信号。 在另一个实施例中,耦合到脉冲输出检测器的非偏振检测器用于检测由普通打印假卡提供的条形码的光和暗区域产生的脉冲,并且在检测到这样的假卡时禁止访问 。