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    • 12. 发明授权
    • Method for providing high bandwidth force feedback with improved actuator feel
    • 提供高带宽力反馈的改进的致动器感觉的方法
    • US07236157B2
    • 2007-06-26
    • US10322438
    • 2002-12-19
    • Bruce M. SchenaLouis B. Rosenberg
    • Bruce M. SchenaLouis B. Rosenberg
    • G09G5/08
    • G06F3/016A63F13/06A63F13/23A63F13/24A63F13/285A63F2300/1025A63F2300/1037G05G9/047G05G2009/04766G05G2009/04777G06F3/011G06F3/0383G06F2203/015
    • A method and apparatus for providing low-cost, realistic force feedback including an improved actuator. The invention provides force sensations to a user and includes an interface device coupled to a host computer and allowing a user to interact with a host application program. A user object, such as a joystick, is moveable by a user in at least one rotary degree of freedom. A sensor reports a locative signal to the host computer to indicate a position of the user object. An actuator outputs forces on the user object in response to signals from the host computer and program. The actuator includes a housing, a set of grounded magnets provided on opposing surfaces of the housing and creating a magnetic field, and a rotor coupled to the user object positioned between the magnets. The rotor rotates about an axis of rotation and includes a shaft and teeth spaced around the shaft. An electric current flows through one or more coils on the teeth to cause the rotor to rotate. The teeth and the magnets are provided in a skewed, helical arrangement relative to each other so that, as the rotor rotates, a first tooth gradually exits the magnetic field as the next consecutive tooth gradually enters the magnetic field, thereby significantly reducing a cogging effect of the rotor when the user object is moved by the user and increasing the fidelity of forces experienced by the user.
    • 一种用于提供包括改进的致动器的低成本,逼真的力反馈的方法和装置。 本发明提供对用户的力感觉,并且包括耦合到主计算机并允许用户与主机应用程序交互的接口设备。 用户对象(诸如操纵杆)可由用户以至少一个旋转自由度移动。 传感器向主计算机报告定位信号以指示用户对象的位置。 执行器响应于来自主计算机和程序的信号,在用户对象上输出力。 致动器包括壳体,设置在壳体的相对表面上并产生磁场的一组接地磁体,以及耦合到位于磁体之间的用户对象的转子。 转子围绕旋转轴线旋转并且包括轴和围绕轴间隔开的齿。 电流流过齿上的一个或多个线圈,使转子转动。 齿和磁体相对于彼此以倾斜的螺旋布置设置,使得当转子旋转时,随着下一个连续的齿逐渐进入磁场,第一齿逐渐离开磁场,从而显着减少齿槽效应 当用户物体被使用者移动并增加使用者经历的力的保真度时,转子的转动。
    • 18. 发明授权
    • Low cost force feedback peripheral with button activated feel sensations
    • 低成本力反馈外设与按钮激活感觉
    • US06271833B1
    • 2001-08-07
    • US09035726
    • 1998-03-05
    • Louis B. RosenbergAdam C. BraunBruce M. Schena
    • Louis B. RosenbergAdam C. BraunBruce M. Schena
    • H02J700
    • G06F3/016A63F13/06A63F13/23A63F13/285A63F2300/1025A63F2300/1031A63F2300/1037G05G9/047G05G2009/04766G05G2009/04777G06F1/266G06F3/011G06F3/0383G06F2203/014G06F2203/015H01H2003/008H04L67/38
    • A method and apparatus for providing safe and low-cost force feedback peripherals for consumer applications. A device microprocessor local to an interface device is coupled to the host by a first interface bus. The microprocessor receives host commands from the host computer on the first interface bus, such as an RS-232 interface, and commands an actuator to apply a force to a user object, such as a joystick, in response to host commands. A sensor detects positions of the user object and outputs signals to the host on a second interface bus, such as a PC game port bus, separate from the first bus. In a “recoil” embodiment, a user initiates force feedback by pressing a button on the joystick, which sends an activation signal to the actuator. In other recoil embodiments, the host computer can transmit one or more enable signals and/or activation signals to the actuator to enable or command forces. A safety switch of the present invention disables the actuator when the interface device is not in use and enables the actuator when an amount of weight over a predetermined amount is placed on the joystick created by a user grasping the joystick. A circuit of the present invention includes a capacitor for storing power provided by an input signal and supplied to the actuator when forces are to be output.
    • 一种用于为消费者应用提供安全且低成本的力反馈外设的方法和装置。 接口设备本地的设备微处理器通过第一接口总线耦合到主机。 微处理器从第一接口总线(例如RS-232接口)上的主计算机接收主机命令,并且响应于主机命令,命令致动器向用户对象(例如操纵杆)施加力。 传感器检测用户对象的位置,并在与第一总线分开的第二接口总线(例如PC游戏端口总线)上向主机输出信号。 在“反冲”实施例中,用户通过按下操纵杆上的按钮来发起力反馈,该按钮向致动器发送激活信号。 在其他反冲实施例中,主计算机可以向致动器发送一个或多个使能信号和/或激活信号以启用或指示力。 本发明的安全开关在接口装置不使用时使致动器不起作用,并且当将握有操纵杆的使用者产生的操纵杆上放置超过预定量的重量时,能够使致动器。 本发明的电路包括用于存储由输入信号提供的电力的电容器,并且当输出力时提供给致动器。