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    • 24. 发明授权
    • Vehicle compass with automatic continuous calibration
    • 车载罗盘采用自动连续校准
    • US4953305A
    • 1990-09-04
    • US54885
    • 1987-05-27
    • Paul S. Van LenteSteven L. Geerlings
    • Paul S. Van LenteSteven L. Geerlings
    • G01C17/38
    • G01C17/38
    • A vehicle compass includes a magnetic field sensor for mounting within a vehicle and providing two output channels of information representing orthogonal direction sensing of the earth's magnetic field within the vehicle. The sensor is coupled to an electrical circuit including a microprocessor for sampling the data from each of the two channels and providing a plurality of tests to determine if the rate of change of data is within a prescribed limit thereby indicating valid data is being received. Further, the data is tested to determine the maximum and minimum signal levels during movement of the vehicle through a completed 360.degree. path of travel and for calculating therefrom the compass compensation information used to provide a corrected heading display.
    • 车辆指南针包括用于安装在车辆内的磁场传感器,并且提供表示车辆内的地球磁场的正交方向感测的两条信息输出通道。 传感器耦合到包括微处理器的电路,该微处理器用于从两个通道中的每一个采样数据,并且提供多个测试以确定数据的变化率是否在规定的限度内,从而指示正在接收有效的数据。 此外,测试数据以确定车辆在完成的360度行进路径移动期间的最大和最小信号电平,并且由此计算用于提供校正行程显示的罗盘补偿信息。
    • 29. 发明授权
    • System and method for training a transmitter to control a remote control system
    • 用于训练发射机以控制遥控系统的系统和方法
    • US08174357B2
    • 2012-05-08
    • US10531108
    • 2004-05-20
    • Steven L. GeerlingsLoren D. VredevoogdDavid A. BlakerJohn D. Spencer
    • Steven L. GeerlingsLoren D. VredevoogdDavid A. BlakerJohn D. Spencer
    • B60R25/00
    • G08C17/02G08C19/28G08C2201/20G08C2201/62
    • A method for training a trainable RF transmitter to transmit variable code signals used to actuate a remote device having a receiver where the transmitter includes a memory that has stored variable code characteristics for a plurality of different remote devices includes initiating a training sequence and generating at least one RF carrier signal having the variable code characteristics associated with one remote device of the plurality of different remote devices. The method further includes transmitting the at least one RF carrier signal to the receiver of the remote device and repeating the generating and transmitting steps for the variable code characteristics of each remote device in the plurality of different remote device until feedback is received from a user that the remote device is activated. Upon receiving an indication that the remote device is activated, the transmitter stores an identifier of the variable code characteristics that activated the remote device.
    • 一种用于训练可训练RF发射机以传输用于致动具有接收机的远程设备的可变码信号的方法,其中所述发射机包括已存储用于多个不同远程设备的可变码特性的存储器,包括启动训练序列并至少产生 一个RF载波信号具有与多个不同远程设备中的一个远程设备相关联的可变代码特性。 所述方法还包括将所述至少一个RF载波信号发射到所述远程设备的接收机,并且重复所述多个不同远程设备中的每个远程设备的可变代码特性的生成和发送步骤,直到从用户接收到反馈 远程设备被激活。 在接收到远程设备被激活的指示之后,发送器存储激活远程设备的可变代码特性的标识符。