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    • 6. 发明申请
    • Hot-start navigation information distribution system
    • 热启动导航信息分发系统
    • US20050029395A1
    • 2005-02-10
    • US10881148
    • 2004-06-30
    • Donald AndersonRichard AnthonyLong Nguyen
    • Donald AndersonRichard AnthonyLong Nguyen
    • G01S19/48F41G7/00F41G7/30G01S19/09G01S19/39G08G5/00H04K1/00H04L9/08
    • F41G7/007G01S19/03G01S19/05
    • A weapons system is disclosed that provides hot-start navigational information to the Global-Positioning-System receivers on missiles prior to flight. The system comprises a Global-Positioning-System receiver that uses a classified red cryptographic key to decode the P(Y) signal from one or more of the Global-Positioning-System constellation of satellites. Once the P(Y) signal is decoded, one or more characteristics (e.g., the PRN code synchronization, the Doppler shift, the modulation bit sequence, etc.) of the signal is derived. These characteristics of the signal—and some other information including a black cryptographic key that comprises the red cryptographic key—are then provided to the Global-Positioning-System receivers on missiles prior to flight. By giving the missiles this information, the missiles are able to acquire the P(Y) signals themselves more quickly than they otherwise could, which enables them to determine their position more quickly than they otherwise could.
    • 公开了一种武器系统,其在飞行前向导弹的全球定位系统接收机提供热启动导航信息。 该系统包括全球定位系统接收机,其使用分类的红色加密密钥来解码来自卫星的全球定位系统星座中的一个或多个的P(Y)信号。 一旦解码了P(Y)信号,就得出信号的一个或多个特性(例如,PRN码同步,多普勒频移,调制比特序列等)。 然后,信号的这些特征以及包括红色加密密钥的黑色加密密钥的一些其他信息在飞行前在导弹上提供给全球定位系统接收机。 通过给导弹这个信息,导弹能够比其他方式更快地获取P(Y)信号,这使得他们能够比其他方式更快地确定它们的位置。
    • 7. 发明授权
    • Circular saw blade having removable teeth
    • 圆锯片有可拆卸的牙齿
    • US4879936A
    • 1989-11-14
    • US85019
    • 1987-08-13
    • Donald Anderson
    • Donald Anderson
    • B23D61/06
    • B23D61/06Y10T83/9319Y10T83/9329Y10T83/9333Y10T83/9336
    • A circular saw blade in which tooth assemblies are pivotally mounted along the periphery of the disc spaced apart at equal angular distances. Each tooth assembly has a U-shaped tooth wedging member pivotally mounted on the disc. The tooth is secured between the disc and the wedging member. Pivotal movement of the tooth wedging member in one direction wedges the tooth between the disc and the tooth wedging member. Pivotal movement of the tooth wedging member in an opposite direction releases the tooth from the wedging action between the disc and the wedging member. A cam locking member is rotatably mounted on the disc adjacent the wedging member. Rotation of the cam locking member in one direction locks the tooth wedging member in the tooth wedging mode. Rotation of the cam locking member in an opposite direction unlocks the tooth wedging member to enable the tooth to be released from the wedging action between the disc and the tooth wedging member.
    • 圆锯片,其中齿组件沿着圆周的周边以相等的角距离间隔开。 每个齿组件具有可旋转地安装在盘上的U形齿楔形构件。 齿固定在盘和楔形构件之间。 齿楔构件沿一个方向的枢轴运动楔住了盘与齿楔构件之间的齿。 齿楔构件在相反方向上的枢转运动使得牙齿与楔块和楔形件之间的楔入动作释放。 凸轮锁定构件可旋转地安装在邻近楔形构件的盘上。 凸轮锁定构件在一个方向上的旋转以齿楔形式锁定齿楔构件。 凸轮锁定构件沿相反方向的旋转解锁了齿楔构件,以使得齿能够从盘和齿楔构件之间的楔入动作中解除。
    • 8. 发明授权
    • Multiple range indicia reader with single trigger actuation
    • 具有单触发驱动的多范围标记读卡器
    • US08177134B2
    • 2012-05-15
    • US12840499
    • 2010-07-21
    • William H. HavensYnjiun Paul WangGeorge Arthur PleskoDonald Anderson
    • William H. HavensYnjiun Paul WangGeorge Arthur PleskoDonald Anderson
    • G06K7/10H02P1/00
    • G06K7/10633G06K7/10801
    • A method of operating an indicia reader for reading information bearing indicia (IBI) positioned in a field of view of the reader includes: transmitting a first laser light beam adapted for scanning an IBI on a target located a first distance from the indicia reader; transmitting a second laser light beam adapted for scanning an IBI on a target located a second distance greater than the first distance from the indicia reader; activating at least one of the first and second laser light beams; scanning at least one of the laser light beams with a flat unitary scan mirror to generate at least one of a first laser light beam pattern and a second laser light beam pattern; directing light reflected from the target from either the first or second laser light beams patterns through a common receive path; the common receive path including being reflected with the flat unitary scan mirror onto a focusing mirror; the focusing mirror directing reflected light along a directed reflected light path; the directed reflected light path including an optical filter outputting directed reflected light; converting the directed reflected light into an output signal with a photodetector; decoding IBI information derived from the output signal, wherein the operating steps are completed by devices supported in a hand held indicia reader housing and wherein an operator selectively activates the first laser light beam and/or the second laser light beam with a single action trigger.
    • 一种操作读取器的方法,用于读取位于读取器的视野中的信息承载标记(IBI),包括:传送适于在位于距标记读取器的第一距离处的目标上扫描IBI的第一激光束; 传送适于在目标上扫描IBI的第二激光束,所述目标位于距离所述标记读取器大于所述第一距离的第二距离处; 激活第一和第二激光束中的至少一个; 用平坦的单一扫描镜扫描至少一个所述激光束,以产生第一激光束图案和第二激光束图案中的至少一个; 通过公共接收路径将来自目标物体的光从第一或第二激光束图案引导; 公共接收路径包括被平坦的单一扫描镜反射到聚焦镜上; 所述聚焦镜沿着定向反射光路引导反射光; 所述定向反射光路包括输出定向反射光的滤光器; 用光电检测器将定向反射光转换成输出信号; 解码从输出信号导出的IBI信息,其中操作步骤由支持在手持式标记读取器外壳中的设备完成,并且其中操作者用单个动作触发器选择性地激活第一激光束和/或第二激光束。