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    • 3. 发明申请
    • INTEGRATED INPUT ROLLER HAVING A ROTARY MASS ACTUATOR
    • 集成输入辊有一个旋转的质量执行器
    • WO2006041696A2
    • 2006-04-20
    • PCT/US2005034896
    • 2005-09-28
    • MOTOROLA INCCAINE MICHAEL ECHANG ANGELACRANFILL DAVID BTHRUSH RICHARD A
    • CAINE MICHAEL ECHANG ANGELACRANFILL DAVID BTHRUSH RICHARD A
    • G09G5/08
    • G06F3/016G06F3/0362
    • An input roller device (50) includes a roller (58), an eccentric rotating mass (59) within the roller, a drive mechanism (54, 56 and 57) causing the eccentric rotating mass to rotate within the roller, and a processor (52) coupled to the drive mechanism. The drive mechanism can also optionally include a drive link (57) if not directly driven by the shaft of the motor. The input roller device 50 can further include a rotary encoder (60) coupled to the roller such that the rotary encoder can provide data to the processor on a rotation of the roller. Note, the processor can be programmed to cause the input roller to provide a varied tactile feedback to the user to correspond to different events or to cause the input roller to provide a rolling resistance that varies in coordination with inputs from a user interface.
    • 输入辊装置(50)包括辊(58),辊内的偏心旋转块(59),使偏心旋转块在辊内旋转的驱动机构(54,56和57),以及处理器 52)耦合到驱动机构。 如果驱动机构不直接由马达的轴驱动,则驱动机构也可以可选地包括驱动连杆(57)。 输入辊装置50还可以包括联接到辊的旋转编码器(60),使得旋转编码器可以在辊的旋转上向处理器提供数据。 注意,处理器可以被编程为使得输入辊向用户提供变化的触觉反馈以对应于不同的事件或者使得输入辊提供与来自用户界面的输入协调地变化的滚动阻力。
    • 6. 发明申请
    • ELECTRONIC DEVICE AND CIRCUIT FOR PROVIDING TACTILE FEEDBACK
    • 用于提供触觉反馈的电子设备和电路
    • WO2009039068A2
    • 2009-03-26
    • PCT/US2008076474
    • 2008-09-16
    • MOTOROLA INCSADLER DANIEL JCRANFILL DAVID BOLLEY MICHAEL FTASHAKKOR ERIC VWAGNER DANIEL H
    • SADLER DANIEL JCRANFILL DAVID BOLLEY MICHAEL FTASHAKKOR ERIC VWAGNER DANIEL H
    • H01L41/09H04B1/38
    • G06F1/3203G06F3/016H01L41/042H03K2217/96062
    • A circuit (800) for controlling at least one piezoelectric actuator (142) includes a piezoelectric drive circuit (802) that generates unidirectional voltage drive signal, also referred to as Vout, at node (804). The piezoelectric actuator drive circuit (802) includes a boost switcher circuit or charging circuit (806), a buck switcher circuit or pulsed current sink discharge circuit (808) and a control signal generating circuit (810) that receives an input control signal (812) from, for example, a keyboard processor or other suitable processor (604) indicating that the device has requested generation of haptic feedback utilizing the piezoelectric actuator (142). The control signal generating circuit (810) provides at least two pulse-with-modulated control signals, one to control the charging circuit and one to control the discharging circuit to produce the unidirectional voltage drive signal, that in one example is a raised cosine drive signal (904).
    • 用于控制至少一个压电致动器(142)的电路(800)包括在节点(804)处产生单向电压驱动信号(也称为Vout)的压电驱动电路(802)。 压电致动器驱动电路(802)包括升压开关电路或充电电路(806),降压开关电路或脉冲电流吸收放电电路(808)和接收输入控制信号(812)的控制信号发生电路(810) )从例如键盘处理器或其他合适的处理器(604)指示设备已经请求使用压电致动器产生触觉反馈(142)。 控制信号发生电路(810)提供至少两个脉冲调制控制信号,一个用于控制充电电路,一个用于控制放电电路以产生单向电压驱动信号,在一个示例中为升余弦驱动 信号(904)。