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    • 4. 发明申请
    • HANDHELD DEVICE HAVING LOCALIZED FORCE FEEDBACK
    • 手持设备具有局部力反馈
    • WO2006019629A3
    • 2007-01-25
    • PCT/US2005024347
    • 2005-07-08
    • MOTOROLA INCDAI XUNHUOLIVER MANUELSADLER DANIEL JFU CHIA-YU
    • DAI XUNHUOLIVER MANUELSADLER DANIEL JFU CHIA-YU
    • G09G5/00
    • G06F3/016G06F1/1626G06F3/0202G06F3/041
    • [0001] An electronic device (100) for performing intelligent operations includes a housing (112), a manually operable input (118, 122) for providing information to the electronic device, and a material (124) positioned between the manually operable input and the housing. An electromechanical transducer (218, 220) has a mechanical connection consisting of to the manually operable input and an electrical connection for receiving power, wherein substantially all of a mechanical output from the electromechanical transducer is provided to the manually operable input, the material preventing the mechanical output from being transmitted from the manually operable input to the housing. An electric circuit (210) is coupled mechanically to the housing and electronically to the electromechanical transducer for driving the electromechanical transducer in response to the intelligent operations so as to cause the electromechanical transducer to generate a tactile response that can be felt by a user through the manually operable input.
    • 一种用于执行智能操作的电子设备(100),包括外壳(112),用于向电子设备提供信息的手动操作输入(118,122)以及位于手动操作输入 住房。 机电换能器(218,220)具有由手动操作输入和用于接收电力的电连接组成的机械连接,其中来自机电换能器的基本上全部机械输出被提供给手动操作输入,材料防止 机械输出从手动操作输入端传递到壳体。 电路(210)机械地连接到外壳并且电子地连接到机电换能器以响应于智能操作来驱动机电换能器,以便使机电换能器产生用户可以感觉到的触觉响应 手动操作输入。
    • 10. 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)。