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    • 1. 发明授权
    • Input device for providing multi-dimensional position coordinate signals
to a computer
    • 用于向计算机提供多维位置坐标信号的输入装置
    • US5694153A
    • 1997-12-02
    • US509082
    • 1995-07-31
    • Tetsuji AoyagiTakeshi MiuraHajime SuzukiRussell I. SanchezMark K. SvancarekToru SuzukiMike M. Paull
    • Tetsuji AoyagiTakeshi MiuraHajime SuzukiRussell I. SanchezMark K. SvancarekToru SuzukiMike M. Paull
    • G05G9/047G09G5/08
    • G05G9/047G05G2009/04759
    • A user input system for inputting computer signals, such as a joystick, has an elongated member or handle that is movably received by a housing. The handle is capable of moving in at least three perpendicular directions, i.e., along X, Y and Z axes, and is capable of being rotated about at least one of the three axes. In a first embodiment, a pair of light emitting diodes ("LEDs") are mounted at an end of the handle and oriented toward the interior of the housing. The LEDs are strobed to alternately project light downward into the housing. A light detecting element, such as a two-dimensional position sensing device ("PSD"), two one-dimension PSDs, or a four quadrant photodiode, is positioned opposite the LEDs, and mounted to the housing to receive the light from the LEDs to produce signals. The signals are converted from analog to digital and input to a microprocessor. The microprocessor, employing trigonometric methods, calculates the position and orientation (i.e., rotation) of the handle and outputs the coordinates to a host computer. The joystick preferably includes switches that produce signals and a slidable member that produces a variable signal, all of which are also output to the computer. In a second embodiment, the LEDs are mounted to the housing to project the light upward and the light detecting unit is mounted at the end of the handle.
    • 用于输入诸如操纵杆的计算机信号的用户输入系统具有由壳体可移动地接收的细长构件或手柄。 手柄能够沿着X,Y和Z轴至少三个垂直方向移动,并且能够围绕三个轴中的至少一个旋转。 在第一实施例中,一对发光二极管(“LED”)安装在手柄的端部并朝向壳体的内部。 LED被选通以将光向下投射到壳体中。 诸如二维位置感测装置(“PSD”),两个一维PSD或四象限光电二极管的光检测元件与LED相对定位,并且安装到壳体以接收来自LED的光 产生信号。 信号从模拟转换为数字,并输入到微处理器。 微处理器采用三角法来计算手柄的位置和方向(即旋转),并将坐标输出到主计算机。 操纵杆优选地包括产生信号的开关和产生可变信号的可滑动构件,所有这些都被输出到计算机。 在第二实施例中,LED被安装到壳体以将光向上突出,光检测单元安装在手柄的端部。
    • 2. 发明授权
    • Wireless input device, for use with a computer, employing a movable
light-emitting element and a stationary light-receiving element
    • 用于计算机的无线输入装置,采用可移动发光元件和固定光接收元件
    • US5945981A
    • 1999-08-31
    • US901878
    • 1997-07-29
    • Mike M. PaullRussell I. SanchezMark K. SvancarekTetsuji Aoyagi
    • Mike M. PaullRussell I. SanchezMark K. SvancarekTetsuji Aoyagi
    • G06F3/033G06F3/042G09G1/00
    • G06F3/0425G06F3/03545
    • The wireless computer input system uses a pen-type input device and a receiver. The pen-type input device includes an LED, at least one switch, a rechargeable battery, and a control circuit. The control circuit provides signals to the LED upon activation of the switch, and provides for power management functions allowing the pen to conserve power during idle periods. The receiver includes one or more light-detecting elements connected to position computation circuitry. The light-detecting element or elements are either a two-dimensional PSD, two one-dimensional PSDs or a four division photodiode. Optional lenses, optical filters, and apertured plates are positioned before the light-detecting element(s), improving the signal-to-noise ratio of the system. The computation circuitry receives the signals from the light-detecting element(s), digitizes them, and computes the coordinates of the pen which are output to a host computer. A recharging circuit, connected to the computation circuit, allows the pen to be recharged within the receiver or connected by a cord when the battery lacks sufficient power.
    • 无线计算机输入系统使用笔式输入设备和接收器。 笔式输入装置包括LED,至少一个开关,可充电电池和控制电路。 控制电路在激活开关时向LED提供信号,并提供功率管理功能,允许笔在空闲时段节省电力。 接收机包括连接到位置计算电路的一个或多个光检测元件。 光检测元件是二维PSD,两个一维PSD或四分光电二极管。 可选的透镜,光学滤光片和多孔板位于光检测元件之前,提高了系统的信噪比。 计算电路接收来自光检测元件的信号,对它们进行数字化,并计算输出到主计算机的笔的坐标。 连接到计算电路的再充电电路允许笔在接收器内充电,或者当电池缺少足够的电力时由电线连接。
    • 6. 发明授权
    • Apparatus and a method of deflecting laser convergent light
    • 设备和偏转激光会聚光的方法
    • US4863228A
    • 1989-09-05
    • US154051
    • 1988-02-09
    • Tetsuji Aoyagi
    • Tetsuji Aoyagi
    • G02B17/08G02B26/08G02B26/10G11B7/085G11B7/135
    • G02B26/108G02B26/08G11B7/08576G11B7/1362
    • An apparatus and a method of deflecting a laser convergent light beam comprising optical reflector means including a reflecting face having a predetermined angle acute relative to a reference face and having an arcuate section formed when viewed in a plane parallel to the reference face and optical path deflecting means to receive the laser light on a predetermined optical path and irradiate the laser light beam in a variable radial direction of a face having a predetermined angle relative to a central axis of the reflecting face at a center of one point on the central axis so that the laser light beam radiates at the desired position of the reflecting face with the length of the optical path for the laser light beam radiating from the optical path deflecting means until it reaches the reference face being always uniform in spite of the radial direction.
    • 一种偏转激光会聚光束的装置和方法,包括光反射器装置,其包括相对于参考面具有预定角度锐角的反射面,并且在平行于参考面的平面中观察时形成弓形部分,并且光路偏转 用于在预定的光路上接收激光的装置,并且在相对于反射面的中心轴线的中心轴的中心轴的中心轴的中心轴上具有预定角度的面的可变径向照射激光束, 激光束在反射面的期望位置处辐射,其中从光路偏转装置发射的激光束的光路的长度直到到达参考面,尽管径向方向总是均匀的。