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1. 发明授权

US5724068A Joystick with uniform center return force 失效
标题翻译：操纵杆具有均匀的中心返回力
公开(公告)号：US5724068A
公开(公告)日：1998-03-03
申请号：US525488
申请日：1995-09-07
申请人： Russell I. Sanchez , Hiroyoshi Fuchioka , Teruo Suzuki , Yuuichi Nakatsuka
发明人： Russell I. Sanchez , Hiroyoshi Fuchioka , Teruo Suzuki , Yuuichi Nakatsuka
IPC分类号： G05G9/047 , G06F3/033
CPC分类号： G05G9/047
摘要： A computer joystick capable of detecting the position of a control stick in the X and Y directions, as well as the rotational (R) position of the control stick to allow three positional measurements to be made. The joystick uses an optical position detection circuit with a pair of light sources mounted either on the control stick or a printed circuit board mounted beneath the control stick. A photodetector assemble is mounted opposite the pair of light sources to detect light from the light sources. The distribution of the light intensity is indicative of the position of the control stick in the X, Y, and R directions. A single coil spring is used to return the control stick to a resting position when released by the user. The single spring provides an even return force that is dependent on displacement from the resting position. The bottom portion of the control stick moves in a three dimensional arcuate path as the control stick is manipulated by the user. To simplify operation of the optical position detection circuit, the joystick uses a mechanical three dimensional to two dimensional mechanical converter assembly to convert the arcuate movement of the control stick to two dimensional movement of the light sources.
摘要翻译：一种能够检测控制棒在X和Y方向上的位置以及控制棒的旋转（R）位置以允许进行三个位置测量的计算机操纵杆。操纵杆使用安装在控制棒上的一对光源或安装在控制棒下方的印刷电路板的光学位置检测电路。光电检测器组装安装在一对光源的对面以检测来自光源的光。光强度的分布表示控制棒在X，Y和R方向上的位置。当用户释放时，使用单个螺旋弹簧将控制杆返回到静止位置。单个弹簧提供平衡的返回力，其依赖于从静止位置的位移。当控制棒被用户操纵时，控制棒的底部以三维弧形路径移动。为了简化光学位置检测电路的操作，操纵杆使用机械三维至二维机械转换器组件，以将控制棒的弓形运动转换成光源的二维运动。

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