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    • 41. 发明授权
    • Hybrid control of haptic feedback for host computer and interface device
    • 主机和接口设备的触觉反馈的混合控制
    • US06411276B1
    • 2002-06-25
    • US09687744
    • 2000-10-13
    • Adam C. BraunKenneth M. MartinLouis B. Rosenberg
    • Adam C. BraunKenneth M. MartinLouis B. Rosenberg
    • G09G500
    • G06F3/016G05G9/047G05G2009/04766G06F3/011G06F2203/015G09B9/28
    • A hybrid haptic feedback system in which a host computer and haptic feedback device share processing loads to various degrees in the output of haptic sensations, and features for efficient output of haptic sensations in such a system. A haptic feedback interface device in communication with a host computer includes a device microcontroller outputting force values to the actuator to control output forces. In various embodiments, the microcontroller can determine force values for one type of force effect while receiving force values computed by the host computer for a different type of force effect. For example, the microcontroller can determine closed loop effect values and receive computed open loop effect values from the host; or the microcontroller can determine high frequency open loop effect values and receive low frequency open loop effect values from the host. Various features allow the host to efficiently stream computed force values to the device.
    • 一种混合触觉反馈系统,其中主计算机和触觉反馈装置在触觉感觉的输出中共享处理各种程度的加载,以及用于在这种系统中有效输出触觉感觉的特征。 与主计算机通信的触觉反馈接口装置包括向致动器输出力值以控制输出力的装置微控制器。 在各种实施例中,微控制器可以在接收由主计算机为不同类型的力效应计算的力值时确定一种类型的力效应的力值。 例如,微控制器可以确定闭环效应值并从主机接收计算的开环效应值; 或者微控制器可以确定高频开环效应值并从主机接收低频开环效应值。 各种功能允许主机有效地将计算的力值流传输到设备。
    • 42. 发明授权
    • Force feedback transmission mechanisms
    • 力反馈传递机制
    • US6104382A
    • 2000-08-15
    • US058259
    • 1998-04-10
    • Kenneth M. MartinMichael D. LevinAdam C. Braun
    • Kenneth M. MartinMichael D. LevinAdam C. Braun
    • A63F9/14A63F9/24A63F13/02A63F13/06F16H20060101G06F3/01G06F3/033G09G3/02
    • A63F13/24A63F13/02A63F13/06A63F13/285G06F3/016A63F2300/1018A63F2300/1037A63F2300/1043A63F2300/1062A63F2300/8017
    • A mechanism for providing selective engagement of spring members to a user manipulatable object in a force feedback interface device. A moveable member included in a force feedback mechanism is moveable in a degree of freedom to transmit forces to the user manipulatable object, such as a joystick handle. A spring member can be selectively coupled and decoupled between a grounded member and the moveable member. The spring member provides a spring force on the moveable member that biases the joystick handle to a desired position, such as the center of the degree of freedom. A dynamic calibration procedure reduces inaccuracies when sensing the position of the user manipulandum by only reading new range limits when the actuator is not outputting a force in the direction of that limit. A capstan drive mechanism is preferably coupled between the actuator and linkage mechanism, where a capstan drum includes a curved end over which the cable is routed, the curved end including flanges to substantially prevent the cable from slipping of the sides of the end. The capstan drum includes a tensioning spring member coupled to one or both ends of the cable for tensioning the cable.
    • 一种用于在力反馈接口装置中提供弹性构件到用户可操纵物体的选择性接合的机构。 包括在力反馈机构中的可移动构件可在自由度上移动以将力传递到用户可操纵的对象,诸如操纵杆手柄。 可以在接地构件和可移动构件之间选择性地联接和分离弹簧构件。 弹簧构件在可移动构件上提供弹簧力,其将操纵杆手柄偏压到期望的位置,例如自由度的中心。 当致动器不在该极限方向上输出力时,动态校准程序通过仅读取新的范围限制来感测用户操纵的位置来减少不准确度。 绞盘驱动机构优选地联接在致动器和联动机构之间,其中主导轮鼓包括弯曲端,电缆在该弯曲端上被路由,弯曲端包括凸缘,以基本上防止电缆滑动端部的侧面。 绞盘鼓包括联接到电缆的一端或两端的张紧弹簧构件,用于张紧电缆。