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    • 1. 发明授权
    • Apparatus for visually indicating a current travel route of a vehicle
    • 用于可视地指示车辆的当前行驶路线的装置
    • US4494116A
    • 1985-01-15
    • US298633
    • 1981-09-02
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • G01C21/26G08G1/12G01P15/00
    • G01C21/26
    • A visual travel route indicating apparatus, for use in an automotive vehicle or the like, including a distance sensor for detecting a current distance of travel of the vehicle, a gas rate sensor for detecting a current azimuthal deviation generated by the vehicle during a turning motion, a thermostatic control chamber for enclosing the gas rate sensor hermetically from external temperature fluctuations, and a signal processing unit for arithmetically obtaining a current location plotted on two-dimensional coordinates per a given unit travel distance of the vehicle from the outputs of the two sensors and storing the thus-obtained location data in sequence so as to be read out subsequently for a continuous visual indication of a current locus of the vehicle on a display. The power supply to the thermostatic control chamber is optimally controlled in conjunction with the on/off state of the ignition switch of the vehicle. The visual indication of a current travel route of the vehicle is inhibited until the atmospheric temperature of the thermostatic chamber reaches a desired constant level, whereupon the offset adjustment of the gas rate sensor output is automatically normalized so as to present a precise visual indication of the vehicle's travel route on the display. Further, the occurrence of an abnormal temperature within the atmosphere of the thermostatic control chamber is detected so as to provide a warning to a driver of the vehicle.
    • 一种用于机动车辆等的视觉旅行路线指示装置,包括用于检测车辆的当前行驶距离的距离传感器,用于检测车辆在转弯运动期间产生的当前方位偏差的气体速率传感器 ,用于将气体速率传感器气密地封闭于外部温度波动的恒温控制室,以及信号处理单元,用于根据两个传感器的输出的每个给定的单位行进距离在二维坐标上绘制二维坐标上的当前位置 并且依次存储由此获得的位置数据,以便随后读出显示器上车辆的当前轨迹的连续视觉指示。 结合车辆点火开关的开/关状态,对恒温控制室的电源进行最佳控制。 车辆的当前行驶路线的视觉指示被禁止,直到恒温室的大气温度达到期望的恒定水平,于是气体速率传感器输出的偏移调整被自动归一化,以便呈现精确的视觉指示 车辆的路线在显示屏上。 此外,检测在恒温控制室的气氛中发生异常温度,以向车辆的驾驶员提供警告。
    • 2. 发明授权
    • Apparatus for visually indicating a current travel route of a vehicle
    • 用于可视地指示车辆的当前行驶路线的装置
    • US4484284A
    • 1984-11-20
    • US298629
    • 1981-09-02
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • Katsutoshi TagamiTsuneo TakahashiShinichiro YasuiMasao SugimuraFumitaka Takahashi
    • G01C21/00G01C19/00G01C21/26G01P1/00G08G1/133G09B29/10G09G3/00G09G3/20G06F15/50
    • G09B29/106G01C21/26G01P1/006
    • A visual travel route indicating apparatus for use in an automotive vehicle. The apparatus comprises a distance sensor for detecting a current distance of travel of the vehicle, a gas rate sensor for detecting a current azimuthal deviation generated during travel of the vehicle, a closed thermostatic chamber for hermetically enclosing the gas rate sensor such that it is isolated from external temperature fluctuations, and a signal processing unit for arithmetically obtaining a current location or point plotted on two-dimensional coordinates per a given unit travel distance from the outputs of the two sensors. A travel path store is provided for storing the thus-obtained data so as to be read out subsequently for a continuous visual indication of a current path of travel or locus of the vehicle on a display unit for visually indicating a continuous path of travel of the vehicle. A manual operating unit is provided for setting and modifying the visual indication pattern to be displayed on the display unit. The closed thermostatic chamber is positively heated to a desired constant temperature level by a suitable heater so that the gas rate sensor may be protected from a possible temperature fluctuation in the external environment.
    • 一种用于机动车辆的视觉旅行路线指示装置。 该装置包括用于检测车辆的当前行驶距离的距离传感器,用于检测在车辆行驶期间产生的当前方位偏差的气体速率传感器,用于气密地封闭气体速率传感器以使其隔离的封闭恒温室 来自外部温度波动的信号处理单元,以及用于从两个传感器的输出给出的单位行进距离中的二维坐标上绘制当前位置或点的算术获取信号处理单元。 提供行进路径存储器,用于存储由此获得的数据,以便随后在显示单元上随时读出当前行驶路线或车辆轨迹的连续可视指示,用于可视地指示连续行驶路线 车辆。 提供了用于设置和修改要在显示单元上显示的可视指示图案的手动操作单元。 封闭的恒温室通过合适的加热器被正确加热到所需的恒定温度水平,从而可以保护气体速率传感器免受外部环境中可能的温度波动。
    • 3. 发明授权
    • Drive circuit for a piezoelectric resonator used in a fluidic gas
angular rate sensor
    • 用于流体气体角速度传感器的压电谐振器的驱动电路
    • US4468581A
    • 1984-08-28
    • US392067
    • 1982-06-25
    • Yasushi OkadaFumitaka TakahashiKatsutoshi Tagami
    • Yasushi OkadaFumitaka TakahashiKatsutoshi Tagami
    • G01C19/00H03L7/02H01L41/08
    • H03L7/02G01P9/00
    • The present invention is directed to a phase locked driving circuit for a piezoelectric pump in a fluidic gas angular rate sensor in which the driving circuit comprises a voltage controlled oscillator for providing an oscillating drive signal to the piezoelectric pump. A phase difference detector is coupled to the output of the oscillator for detecting the phase of the current of the output signal and the phase of the voltage of the output signal and for providing an output indicative of the phase difference therebetween. An error amplifier is coupled to the phase difference detector for comparing the phase difference to a predetermined phase difference and for producing a voltage indicative thereof. The voltage of the error detecting circuit is applied to the control input of the voltage controlled oscillator for controlling the output thereof.
    • 本发明涉及一种用于流体气体角速度传感器中的压电泵的锁相驱动电路,其中驱动电路包括用于向压电泵提供振荡驱动信号的压控振荡器。 相位差检测器耦合到振荡器的输出,用于检测输出信号的电流的相位和输出信号的电压的相位,并且用于提供表示它们之间的相位差的输出。 误差放大器耦合到相位差检测器,用于将相位差与预定相位差进行比较,并产生指示其的电压。 误差检测电路的电压被施加到压控振荡器的控制输入端,用于控制其输出。
    • 9. 发明授权
    • Snap action type of electric switch
    • 电动开关的动作类型
    • US4086455A
    • 1978-04-25
    • US783445
    • 1977-03-31
    • Fumitaka Takahashi
    • Fumitaka Takahashi
    • H01H13/46H01H13/12H01H13/36H01H15/18
    • H01H13/365
    • A snap action type of electric switch in which a contact plate is provided with a movable contact facing a stationary contact located in a housing. The movable contact is free to move back and forth, and the contact plate is connected through an intermediate snap spring to a switching rod which extends at the back of the spring and is also free to move back and forth. The contact plate has a play space in forward and rearward directions in relation to the snap spring, and is urged in forward direction by an auxiliary spring. The snap spring is formed of an elastic metal strip which is bent into a channel form. A pair of levers bridge a neck portion of an enlarged head portion of the switching rod. When moving back and forth, the rod 5 may apply a predetermined movement to the snap spring. A holding member extends rearwards from the contact plate and has an opening into which a transverse portion of the snap spring is loosely inserted so as to form the play space.
    • 一种触发式电动开关,其中接触板设置有面向位于壳体中的静止触点的可动触头。 可移动接触件可自由地前后移动,并且接触板通过中间卡扣弹簧连接到在弹簧的后部延伸并且也可自由地前后移动的开关杆。 接触板相对于卡簧具有向前和向后方向的游隙空间,并且通过辅助弹簧向前推动。 卡扣弹簧由弯曲成通道形式的弹性金属条形成。 一对杠杆桥接开关杆的扩大头部的颈部。 当前后移动时,杆5可以向弹簧弹簧施加预定的运动。 保持构件从接触板向后延伸,并且具有开口,弹簧的横向部分松动地插入该开口中,以形成游戏空间。