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    • 4. 发明申请
    • Active Stylus for Use with Touch-Sensitive Interfaces and Corresponding Method
    • 使用触摸敏感接口的活动触控笔和相应的方法
    • US20120154340A1
    • 2012-06-21
    • US12974252
    • 2010-12-21
    • Sandeep VuppuDavid CranfillMichael OlleyMark F. Valentine
    • Sandeep VuppuDavid CranfillMichael OlleyMark F. Valentine
    • G06F3/033
    • G06F3/03545G06F3/044
    • A stylus (100) is configured for actively interacting with a touch-sensitive interface (201) by injecting or sinking charge in response to a touch-detection signal emitted from the touch-sensitive interface (201). One stylus (100) includes a stylus body (104) and a compound tip (105) extending axially from the stylus body (104). The compound tip (105) can include a center electrode (101) that is configured to detect electric field variations from the touch-sensitive interface (201) and a shroud electrode (102) that is concentrically disposed about the center electrode (101). An active circuit (103) coupled between the center electrode (101) and the shroud electrode (102) is configured to apply a gain to the detected electric field variations and to change a potential of the shroud electrode (102) synchronously with the electric field variations detected by the center electrode (101).
    • 触笔(100)被配置为响应于从触敏界面(201)发射的触摸检测信号,通过注入或吸收电荷来与触敏界面(201)主动交互。 一个触针(100)包括从触针本体(104)轴向延伸的触针本体(104)和复合尖端(105)。 复合尖端(105)可以包括中心电极(101),其被配置为检测来自触敏界面(201)的电场变化和围绕中心电极(101)同心设置的护罩电极(102)。 耦合在中心电极(101)和护罩电极(102)之间的有源电路(103)被配置为对检测到的电场变化施加增益并且与电场同步地改变护罩电极(102)的电位 由中心电极(101)检测的变化。
    • 7. 发明授权
    • Printed force sensor within a touch screen
    • 触摸屏内的印刷力传感器
    • US09430078B2
    • 2016-08-30
    • US12539769
    • 2009-08-12
    • David CranfillZubin Parikh
    • David CranfillZubin Parikh
    • G06F3/041G06F3/044
    • G06F3/0414G06F3/044
    • A quantum tunneling composite, or other material exhibiting changing electrical or magnetic properties as force on the material is increased, can be located within a force concentrator integrated into traditional touch screen layers to sense force applied on the touch screen. The force concentrator can be a protrusion from the layer planes of the layers in a traditional touch screen and can be formed, at least in part, from printed elements. The amount of protrusion of the force concentrator can be adjusted through multi-pass printing and thicker deposit printing. The force concentrator can also have optically clear adhesive layered over it. The force-sensitive material can be optionally pre-loaded so as to operate within a substantially linear feedback range. A sensing mechanism can be configured to detect changes in force at multiple locations or to detect the application of force irrespective of location.
    • 量子隧道复合材料或表现出作为材料上的力的电或磁特性的其它材料增加,可以位于集成到传统触摸屏层中的力集中器中以感测施加在触摸屏上的力。 力集中器可以是传统触摸屏中的层的平面的突起,并且可以至少部分地由印刷元件形成。 力集中器的突出量可以通过多道印刷和较厚的沉积印刷进行调整。 力集中器也可以在其上分层光学透明粘合剂。 力敏材料可以任选地被预加载,以便在基本上线性的反馈范围内操作。 感测机构可以被配置为检测在多个位置处的力的变化或者检测力的施加而不管位置如何。
    • 8. 发明授权
    • Method of forming a cured coating composition on an automobile component
    • 在汽车部件上形成固化涂料组合物的方法
    • US08652578B2
    • 2014-02-18
    • US13380281
    • 2010-06-24
    • David CranfillKeith E. Gutowski
    • David CranfillKeith E. Gutowski
    • B05D3/02
    • B05D7/00C09D4/00
    • A method of forming a cured coating composition on an automobile component is provided. The method utilizes a coating compound including a radical polymerizable compound and an organoborane initiator and includes the step of applying the coating composition to the automobile component. The organoborane initiator is complexed with a bi-functional noncyclic blocking agent that has a carbon backbone and two organoborane complexing moieties. The two moieties are different from each other and are selected from the group of an amine moiety, a thiol moiety, and a phosphine moiety. In addition, the two moieties are separated from each other by two to four carbon atoms to increase the nucleophilicity of the blocking agent towards the organoborane initiator. The organoborane initiator is decomplexed from the blocking agent thereby forming a radical that is used to polymerize the radical polymerizable compound and cure the coating composition on the automobile component.
    • 提供了一种在汽车部件上形成固化的涂料组合物的方法。 该方法使用包含自由基聚合性化合物和有机硼烷引发剂的涂料化合物,其包括将涂料组合物涂布在汽车部件上的工序。 有机硼烷引发剂与具有碳主链和两个有机硼烷络合部分的双功能非环封闭剂络合。 两个部分彼此不同,并且选自胺部分,硫醇部分和膦部分。 此外,两个部分彼此分开2-4个碳原子,以增加封闭剂对有机硼烷引发剂的亲核性。 有机硼烷引发剂与封端剂分解,从而形成用于使自由基聚合性化合物聚合并使涂料组合物固化在汽车部件上的基团。
    • 9. 发明申请
    • Single Sided Capacitive Force Sensor for Electronic Devices
    • 电子设备单面电容力传感器
    • US20100024573A1
    • 2010-02-04
    • US12181923
    • 2008-07-29
    • Dodge DavermanDavid CranfillMichael Olley
    • Dodge DavermanDavid CranfillMichael Olley
    • G01L1/14G06F3/044
    • G01L1/142G01L1/146G06F3/0414G06F3/044
    • A capacitive force sensor (100) includes a substrate (101) having at least one electrode pair (102,103) defining a capacitance disposed thereon. The substrate (101) is fixed relative to a first plate (106). A drive circuit (104) is configured to apply a voltage relative to a circuit ground (105) to the electrode pair (102,103). The first plate (106) is separated from a second plate (107) that is coupled to circuit ground (105) by a compliance member (108,109). The compliance member (108,109) is configured to oppose a compression force (110) while allowing the first plate (106) to physically move relative to the second plate (107). A capacitive detection circuit (111) is then configured to detect a change the capacitance when the compliance member (108,109) is compressed. The compression force (110) is then determined from the change in capacitance and the spring constant of the compliance member (108,109).
    • 电容式力传感器(100)包括具有至少一个电极对(102,103)的基板(101),该电极对限定了设置在其上的电容。 基板(101)相对于第一板(106)固定。 驱动电路(104)被配置为向电极对(102,103)施加相对于电路接地(105)的电压。 第一板(106)与通过柔性构件(108,109)耦合到电路接地(105)的第二板(107)分离。 柔性构件(108,109)构造成与第一板(106)相对于第二板(107)物理移动同时抵抗压缩力(110)。 然后,电容检测电路(111)被配置为在压缩符合构件(108,109)时检测电容的改变。 然后根据柔性构件(108,109)的电容变化和弹簧常数确定压缩力(110)。
    • 10. 发明申请
    • APPARATUS INCLUDING TWO HOUSINGS AND A PIEZOELECTRIC TRANSDUCER
    • 装置包括两个壳体和一个压电传感器
    • US20090147973A1
    • 2009-06-11
    • US11952309
    • 2007-12-07
    • Thomas GITZINGERRachid AlamehDavid Cranfill
    • Thomas GITZINGERRachid AlamehDavid Cranfill
    • G08B6/00H04R17/00H01L41/09
    • H04R17/00G06F3/016
    • An apparatus (100) including two housings and a piezoelectric transducer is disclosed. The apparatus may include a first housing (110), a hinge (115) coupled to the first housing, and a second housing (140) coupled the first housing via the hinge. The first housing can have a closed position when the first housing is substantially adjacent to the second housing and the first housing can have an open position when a portion of the first housing is substantially away from the second housing. The apparatus can also include a first piezoelectric element (130) coupled to the second housing where the first piezoelectric element can be substantially in contact with the first housing when the first housing is in the closed position. The apparatus can further include a user interface (140) coupled to the second housing and a controller (150) coupled to the first piezoelectric element and the user interface. The controller can drive the first piezoelectric element to cause the first housing to vibrate against the second housing when the first housing is in the closed position. The controller can also drive the first piezoelectric element to provide tactile feedback in response to user activation of the user interface.
    • 公开了一种包括两个壳体和压电换能器的装置(100)。 该装置可以包括第一壳体(110),联接到第一壳体的铰链(115)和经由铰链联接第一壳体的第二壳体(140)。 当第一壳体基本上邻近第二壳体时,第一壳体可以具有闭合位置,并且当第一壳体的一部分基本上远离第二壳体时,第一壳体可以具有打开位置。 该装置还可以包括联接到第二壳体的第一压电元件(130),其中当第一壳体处于关闭位置时,第一压电元件可以与第一壳体基本上接触。 该装置还可以包括耦合到第二壳体的用户接口(140)和耦合到第一压电元件和用户接口的控制器(150)。 当第一壳体处于关闭位置时,控制器可以驱动第一压电元件使第一壳体抵靠第二壳体振动。 控制器还可以驱动第一压电元件以响应于用户激活用户界面来提供触觉反馈。