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    • 1. 发明授权
    • Electronic device and circuit for providing tactile feedback
    • 用于提供触觉反馈的电子设备和电路
    • US07667371B2
    • 2010-02-23
    • US11856283
    • 2007-09-17
    • Daniel J. SadlerDavid B. CranfillMichael F. OlleyEric V. TashakkorDaniel H. Wagner
    • Daniel J. SadlerDavid B. CranfillMichael F. OlleyEric V. TashakkorDaniel H. Wagner
    • H01L41/08
    • 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)。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR MANIPULATING A DISPLAYED IMAGE
    • 用于操纵显示图像的方法和装置
    • US20090046110A1
    • 2009-02-19
    • US11839610
    • 2007-08-16
    • Daniel J. SadlerPawitter J.S. Mangat
    • Daniel J. SadlerPawitter J.S. Mangat
    • G09G5/00G06F3/041
    • G06F3/048G06F3/0488
    • A method and an apparatus are for manipulating an image displayed on a display of an electronic device (100). Functions that are used include panning the image in a direction that is determined in response to a detection of a first stroke (125, 410, 610) of a touch and pressure sensitive input modality (105) which is performed using an amount of touch pressure that meets a first pressure criterion, while the electronic device is in a pan mode; changing between the pan mode and a zoom mode in response to a touch pressure of the input modality that meets a second pressure criterion; and zooming the image in response to a second stroke (130, 415, 615) of the input modality, wherein the stroke is performed using an amount of touch pressure that meets a third pressure criterion, while the electronic device is in the zoom mode.
    • 一种方法和装置用于操纵显示在电子设备(100)的显示器上的图像。 使用的功能包括在响应于使用一定量的触摸压力执行的触摸和压敏输入模态(105)的第一笔划(125,410,610)的检测确定的方向上平移图像。 当电子设备处于平移模式时,满足第一压力标准; 响应于满足第二压力标准的输入模态的触摸压力,在平移模式和变焦模式之间变化; 以及响应于所述输入模态的第二笔划(130,415,615)来放大所述图像,其中当所述电子设备处于缩放模式时,使用满足第三压力准则的触摸压力的量执行所述笔划。