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    • 6. 发明授权
    • Character animation method and apparatus
    • 特征动画方法和装置
    • US5074821A
    • 1991-12-24
    • US467252
    • 1990-01-18
    • James McKeeferyJames SachsJames FanMing Liang
    • James McKeeferyJames SachsJames FanMing Liang
    • A63H3/36A63H3/28A63H3/48A63H13/04G09F19/08
    • A63H3/28A63H3/48
    • A voice track is recorded on one track of a dual track recording device, typically a tape recorder. On a second track of the recorder an animation signal is recorded characterized by the signal having a frequency at any given time indicative of the then currently desired animation condition. A character is provided having a tape playback unit therein for playing back such pre-recorded dual track tapes, the character having an amplifier and speaker for reproducing the audio information, and a servo motor having a drive system for driving the character mouth elements and eyes with the desired animation, the drive system having a feedback device thereon for providing a feedback signal to the servo motor control. The electronics in the character which is responsive to the animation control signal provided by the playback unit to provide the servo motor drive signal effectively updates the servo motor drive signal on each cycle of the animation control signal received from the playback unit.
    • 语音轨道被记录在双轨记录装置的一个轨道上,通常是磁带录音机。 在记录器的第二轨道上记录动画信号,其特征在于在任何给定时间具有当前当前所期望的动画条件的频率的信号。 提供了一种具有其中的带重放单元的字符,用于回放这种预先记录的双轨磁带,该字符具有用于再现音频信息的放大器和扬声器,以及具有用于驱动字符口元素和眼睛的驱动系统的伺服电动机 具有期望的动画,驱动系统在其上具有用于向伺服电动机控制提供反馈信号的反馈装置。 响应于由重放单元提供的动画控制信号提供伺服电机驱动信号的字符的电子元件在从播放单元接收的动画控制信号的每个周期上有效地更新伺服电动机驱动信号。
    • 10. 发明授权
    • Vehicle guidance and control systems and methods for controllably
guiding a vehicle along a predetermined pathway
    • 车辆指导与控制系统及方法在预测路径中控制车辆
    • US5175480A
    • 1992-12-29
    • US467254
    • 1990-01-18
    • James McKeeferyJames SachsRichard Wotiz
    • James McKeeferyJames SachsRichard Wotiz
    • G05D1/02
    • G05D1/0265G05D2201/0213
    • In accordance with the method, first and second substantially parallel conductors are placed along a pathway and coupled to a controller in a manner so that each may carry a current independently controllable by the controller. A sensing coil is placed in a vehicle having a coil axis approximately perpendicular to the plane of the conductors so as to sense the varying magnetic field caused by varying currents through the two conductors. The controller repetitively provides a half-cycle of current of a given frequency in one of the two wires, immediately followed by another half-cycle of current of the opposite polarity or direction in the other of the two wires. The sensing coil on the vehicle senses the magnetic field caused by these varying currents in a manner dependent upon its proximity to each of the two wires, and controls the vehicle steering responsive thereto, sensing a substantially balanced wave when centered between the two wires, a positively distorted wave when closed to one of the wires and a negatively distorted wave when closer to the other of the two wires. Modulation of the frequency of the current in the two wires provides communication capability from the controller to the vehicle for remote steering and speed control. Apparatus for carrying out the method and alternative embodiments are disclosed.
    • 根据该方法,第一和第二基本平行的导体沿着路径放置并且以使得每个可以承载由控制器独立控制的电流的方式耦合到控制器。 感测线圈被放置在具有大致垂直于导体平面的线圈轴的车辆中,以便感测由通过两个导体的变化的电流引起的变化的磁场。 控制器在两条线之一中重复地提供给定频率的电流的半周期,紧接着是两条线中另一条线中相反极性或方向的另一个半周期的电流。 车辆上的感测线圈以这种变化的电流引起的磁场以取决于它们接近两条电线的方式感测,并且响应于此控制车辆转向,在两条电线之间居中时检测基本平衡的波, 当闭合到其中一条导线时呈正畸变波形,并且当更接近两条导线中的另一条线时呈负变形波形。 调整两根电线中的电流频率可以提供从控制器到车辆的远程转向和速度控制的通信能力。 公开了用于执行该方法和替代实施例的装置。