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    • 41. 发明申请
    • Systems and methods for providing haptic effects
    • 提供触觉效果的系统和方法
    • US20060038781A1
    • 2006-02-23
    • US10923202
    • 2004-08-20
    • Michael Levin
    • Michael Levin
    • G09G5/08
    • B60Q9/00G06F3/016G06F3/165
    • Systems and methods for providing haptic effects are disclosed. One disclosed system comprises an actuator, a non-volatile memory configured to store a haptic effect profile, and a processor in communication with the actuator and the non-volatile memory. The processor may be configured to receive a sensor signal indicating a movement of a manipulandum, to identify an effect parameter associated with the sensor signal in the haptic effect profile, and to generate an output signal based, at least in part, on the effect parameter. The generated output signal may be configured to cause the actuator to output a haptic effect associated with the effect parameter.
    • 公开了用于提供触觉效果的系统和方法。 一个公开的系统包括致动器,被配置为存储触觉效果简档的非易失性存储器,以及与致动器和非易失性存储器通信的处理器。 处理器可以被配置为接收指示操纵的移动的传感器信号,以识别与触觉效果简档中的传感器信号相关联的效应参数,并且至少部分地基于效应参数来生成输出信号 。 生成的输出信号可以被配置为使致动器输出与效果参数相关联的触觉效果。
    • 44. 发明授权
    • Reaction sensing torque actuator
    • 反应感应扭矩执行器
    • US5327790A
    • 1994-07-12
    • US900663
    • 1992-06-19
    • Michael LevinJ. Kenneth Salisbury, Jr.
    • Michael LevinJ. Kenneth Salisbury, Jr.
    • B25J9/12B25J9/16B25J13/08H02K26/00H02K29/06G01L3/02
    • H02K26/00B25J13/085B25J9/12B25J9/1633G05B2219/37344G05B2219/37473H02K29/06
    • A reaction torque actuator has a sensor operatively coupled between a motor housing and an outer housing. A pair of bearings support the motor within the outer housing in a spaced, concentric relationship. The bearings allow a mutual angular displacement of the housing about the axis of rotation of the output shaft of the motor, but they isolate the sensor from the axial and radial moments. A resolver surrounds the shaft at its output end to produce a signal that accurately measures the angular position of the shaft. A controller regulates power to the motor windings as a function of signals from the resolver and the sensor and torque commands. In a preferred form for use in robotics where very accurate force control is desired, the motor: is a brushless D.C. motor, the sensor is of the strain gauge type, and the controller uses high quality amplifiers, sine wave commutation, cable shielding, and filtering to limit the noise generated by electronic switching.
    • 反作用力矩致动器具有可操作地联接在马达壳体和外壳之间的传感器。 一对轴承以外部的同心关系支撑外壳内的马达。 轴承允许壳体围绕马达的输出轴的旋转轴线相互角位移,但是它们将传感器与轴向和径向力矩隔离开。 旋转变压器在其输出端围绕轴,以产生精确测量轴的角位置的信号。 控制器根据来自旋转变压器和传感器和转矩指令的信号调节电动机绕组的功率。 在用于需要非常精确的力控制的机器人技术的优选形式中,电动机:是无刷直流电动机,传感器是应变计类型,并且控制器使用高质量放大器,正弦波换向,电缆屏蔽和 过滤以限制电子切换产生的噪声。
    • 48. 发明授权
    • Generating midstring query refinements
    • 生成中间字符串查询优化
    • US08577913B1
    • 2013-11-05
    • US13118196
    • 2011-05-27
    • Othar HanssonJames HomeAnwis DasMichael LevinAbhinandan Das
    • Othar HanssonJames HomeAnwis DasMichael LevinAbhinandan Das
    • G06F17/30G06F3/048
    • G06F3/048G06F17/30G06F17/30651G06F17/30867
    • A system and method is provided for providing query suggestions, particularly midstring query completions for an original query being edited or hovered over. An original query is received from a client. One or more segments in the original query are identified including an anchor segment and zero or more remaining segments. The anchor segment is identified based on cursor placement within the original query. Then one or more sibling segments associated with the anchor segment are identified. The sibling segments are identified by the server system to be semantically distinct from anchor segment. Then one or more query refinement candidates are identified. A respective query refinement candidate includes a sibling segment in place of the anchor segment and includes the remaining segments, if any, of the original query. Then information including one or more of the query refinement candidates is sent to the client for presentation.
    • 提供了一种提供查询建议的系统和方法,特别是正在编辑或悬停的原始查询的中弦查询完成。 从客户端收到原始查询。 识别原始查询中的一个或多个段,其包括锚段和零个或多个剩余段。 基于原始查询中的光标位置识别锚段。 然后识别与锚段相关联的一个或多个兄弟段。 兄弟节段由服务器系统识别为在语义上与锚段不同。 然后识别一个或多个查询优化候选。 相应的查询细化候选包括代替锚段的兄弟段,并且包括原始查询的剩余段(如果有的话)。 然后将包括一个或多个查询优化候选的信息发送给客户端进行呈现。