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    • 3. 发明授权
    • Object position detector with edge motion feature and gesture recognition
    • 具有边缘运动特征和手势识别的物体位置检测器
    • US07532205B2
    • 2009-05-12
    • US11386354
    • 2006-03-22
    • David W. GillespieTimothy P. AllenRalph C. WolfShawn P. Day
    • David W. GillespieTimothy P. AllenRalph C. WolfShawn P. Day
    • G06F3/041
    • G06F3/04883G06F3/03547G06F3/044G06F2203/04101
    • A method of generating cursor motion signals for improved usability is provided. In one embodiment, the method comprises detecting object motion in a sensing region and providing cursor motion signals in accordance with cursor motion values generated responsive to continuation of the object motion in the inner region. This embodiment further comprises providing cursor motion signals configured to generate cursor motion that combines incremental cursor motion with additional cursor motion responsive to the object moving from the inner region into the outer region, where the incremental cursor motion comprises motion toward an edge of the display correlating to an edge of the sensing region proximate the object, and where the additional cursor motion comprises cursor motion indicated by cursor motion values generated responsive to continuation of the object motion in the outer region of the sensing region.
    • 提供了一种产生光标运动信号以提高可用性的方法。 在一个实施例中,该方法包括检测感测区域中的物体运动,并根据在内部区域中对物体运动的继续产生的光标运动值提供光标运动信号。 该实施例还包括提供被配置为产生光标运动的光标运动信号,其组合增量光标运动和响应于从内部区域移动到外部区域中的物体的附加光标运动,其中增量光标运动包括朝着显示器边缘的运动相关 到附近的对象的感测区域的边缘,并且其中附加的光标运动包括由响应于感测区域的外部区域中的对象运动的继续而产生的光标运动值指示的光标运动。
    • 8. 发明授权
    • Object position detector with edge motion feature and gesture recognition
    • 具有边缘运动特征和手势识别的物体位置检测器
    • US06750852B2
    • 2004-06-15
    • US10351208
    • 2003-01-23
    • David W. GillespieTimothy P. AllenRalph C. WolfShawn P. Day
    • David W. GillespieTimothy P. AllenRalph C. WolfShawn P. Day
    • G08C2100
    • G06F3/04883G06F3/03547G06F3/041G06F3/044G06F3/047G06F3/0488G06F2203/04101G06F2203/04808G06K9/00335
    • The disclosed device is directed towards a method for recognizing a gesture made on a touch-sensor pad in a touch-sensing system providing X and Y position information to a host comprising detecting a first presence of a conductive object on the touch-sensor pad. The method includes comparing the duration of the first presence with a first reference amount of time, and initiating a first gesture signal to the host if the duration of the first presence is less than the first reference amount of time. The method also includes detecting a second presence of the conductive object on the touch-sensor pad and comparing the duration between the first presence and the second presence with a second reference amount of time. The method includes comparing the duration of the second presence with a third reference amount of time as well as terminating the first gesture signal if the duration between the first presence and the second presence is greater than the second reference amount of time; and maintaining the first gesture signal and repeatedly sending X and Y position information to the host until the occurrence of a terminating event if the amount of time between the first presence and the second presence is less than the second reference amount of time and if the duration of the second presence is greater than the third reference amount of time.
    • 所公开的设备涉及用于识别在触摸传感系统中在触摸传感器系统上进行的手势的方法,该触摸感测系统向主机提供X和Y位置信息,包括检测触摸传感器板上的导电物体的第一存在。 该方法包括将第一存在的持续时间与第一参考时间量进行比较,以及如果第一存在的持续时间小于第一参考时间量,则向主机发起第一手势信号。 该方法还包括检测触摸传感器焊盘上的导电物体的第二存在并且以第二参考时间量比较第一存在与第二存在之间的持续时间。 该方法包括:如果第一存在和第二存在之间的持续时间大于第二参考时间量,则将第二存在的持续时间与第三参考时间量进行比较,以及终止第一手势信号; 并且如果第一存在和第二存在之间的时间量小于第二参考时间量,则保持第一手势信号并重复地向主机发送X和Y位置信息直到发生终止事件,如果持续时间 的第二存在大于第三参考时间量。
    • 10. 发明授权
    • Adaptive analog minimum/maximum selector and subtractor circuit
    • 自适应模拟最小/最大选择器和减法器电路
    • US5408194A
    • 1995-04-18
    • US83905
    • 1993-06-25
    • Gunter SteinbachTimothy P. AllenCarver A. Mead
    • Gunter SteinbachTimothy P. AllenCarver A. Mead
    • G01R19/30G06G7/14H03K5/24
    • H03K5/24G01R19/30G06G7/14
    • A circuit for use as a channel of a minimum selector and subtractor circuit includes a P-Channel MOS transistor having a gate connected to an input node, a source connected to the output of a current source, and a drain connected to a fixed voltage source. The source of the P-Channel transistor is connectable to a common conductive line through a first switch. The source of the P-Channel transistor is also connected to the non-inverting input of a transconductance amplifier. The inverting input of the transconductance amplifier is connected to a first plate of a capacitor. The second plate of the capacitor is connected to a fixed voltage source such as ground. The output of the transconductance amplifier is connectable to its inverting input through a second switch. The output of the transconductance amplifier forms the output of the minimum selector and subtractor circuit. A plurality of individual channel circuits may all be connected to the common conductive line. The input nodes of the individual channel circuits are each individually connected to a different one of a plurality of analog input lines. The minimum selector and subtractor circuit determines the minimum analog value appearing on the plurality of lines and subtracts that value from the input values on all of the input lines. A maximum selector and subtractor circuit is formed by reversing transistor types.
    • 用作最小选择器和减法器电路的通道的电路包括具有连接到输入节点的栅极的P沟道MOS晶体管,连接到电流源的输出的源极和连接到固定电压源的漏极 。 P沟道晶体管的源极可通过第一开关连接到公共导线。 P沟道晶体管的源极也连接到跨导放大器的非反相输入端。 跨导放大器的反相输入连接到电容器的第一板。 电容器的第二板连接到诸如地之间的固定电压源。 跨导放大器的输出可通过第二个开关连接到其反相输入端。 跨导放大器的输出形成最小选择器和减法器电路的输出。 多个单独的通道电路都可以连接到公共导线。 各个通道电路的输入节点各自分别连接到多个模拟输入线中的不同的一个。 最小选择器和减法器电路确定出现在多行上的最小模拟值,并从所有输入行的输入值中减去该值。 通过反转晶体管类型形成最大选择器和减法器电路。