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1. 发明授权

US08378660B2 Programmable integrated circuit device to support inductive sensing 有权
标题翻译：可编程集成电路器件支持感应感应
公开(公告)号：US08378660B2
公开(公告)日：2013-02-19
申请号：US12560906
申请日：2009-09-16
申请人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
发明人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
IPC分类号： H01F30/12 , H01F5/00 , G01R27/28
CPC分类号： H03K17/96 , H03K2217/96038
摘要： An integrated circuit device inductive touch analog front end excites selected ones of a plurality of inductive touch sensors and provides analog output signals representative of voltages across the coils of the plurality of inductive touch sensors. Various characteristics of the inductive touch analog front end are programmable. A digital processor controls selection of each one of the plurality of inductive touch sensors and receives the respective analog output voltage signal from the inductive touch AFE. The digital processor may program the characteristics of the inductive touch analog front end. When a sufficient change in the coil voltage is determined by the digital processor, that inductive touch sensor is assumed to have been actuated and the digital processor takes action based upon which one of the plurality of inductive touch sensors was actuated (touched).
摘要翻译：集成电路器件感应触摸模拟前端激励多个感应触摸传感器中的选定的一个，提供表示多个感应触摸传感器的线圈两端的电压的模拟输出信号。感应式模拟前端的各种特性都是可编程的。数字处理器控制多个感应式触摸传感器中的每一个的选择，并从感应触摸AFE接收相应的模拟输出电压信号。数字处理器可以对感应式模拟前端的特性进行编程。当由数字处理器确定线圈电压的充分变化时，假定该感应式触摸传感器已被致动，并且数字处理器基于多个感应式触摸传感器中的哪一个被触发（触摸）而采取行动。

2. 发明申请

US20100090717A1 Programmable Integrated Circuit Device to Support Inductive Sensing 有权
标题翻译：可编程集成电路器件支持感应感应
公开(公告)号：US20100090717A1
公开(公告)日：2010-04-15
申请号：US12560906
申请日：2009-09-16
申请人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
发明人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
IPC分类号： G01R31/02
CPC分类号： H03K17/96 , H03K2217/96038
摘要： An integrated circuit device inductive touch analog front end excites selected ones of a plurality of inductive touch sensors and provides analog output signals representative of voltages across the coils of the plurality of inductive touch sensors. Various characteristics of the inductive touch analog front end are programmable. A digital processor controls selection of each one of the plurality of inductive touch sensors and receives the respective analog output voltage signal from the inductive touch AFE. The digital processor may program the characteristics of the inductive touch analog front end. When a sufficient change in the coil voltage is determined by the digital processor, that inductive touch sensor is assumed to have been actuated and the digital processor takes action based upon which one of the plurality of inductive touch sensors was actuated (touched).
摘要翻译：集成电路器件感应触摸模拟前端激励多个感应触摸传感器中的选定的一个，提供表示多个感应触摸传感器的线圈两端的电压的模拟输出信号。感应式模拟前端的各种特性都是可编程的。数字处理器控制多个感应式触摸传感器中的每一个的选择，并从感应触摸AFE接收相应的模拟输出电压信号。数字处理器可以对感应式模拟前端的特性进行编程。当由数字处理器确定线圈电压的充分变化时，假定该感应式触摸传感器已被致动，并且数字处理器基于多个感应式触摸传感器中的哪一个被触发（触摸）而采取行动。

3. 发明授权

US08154317B2 Integrated circuit device to support inductive sensing 有权
标题翻译：集成电路器件支持感应感应
公开(公告)号：US08154317B2
公开(公告)日：2012-04-10
申请号：US12560855
申请日：2009-09-16
申请人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
发明人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
IPC分类号： G01R31/26 , G01R31/3187
CPC分类号： H03K17/96 , H03K2217/96038
摘要： An integrated circuit device inductive touch analog front end (AFE) excites selected ones of a plurality of inductive touch sensors, measures voltages across the coils of the plurality of inductive touch sensors, and provides analog output signals representative of these coil voltages. A physical displacement (touch) to the inductive sensor causes the inductance value of the inductive touch sensor to change with a corresponding change in a voltage across the coil of the inductive touch sensor. A digital processor controls selection of each one of the plurality of inductive touch sensors and receives the respective analog output voltage signal from the inductive touch AFE. When a sufficient change in the coil voltage is determined by the digital processor, that inductive touch sensor is assumed to have been actuated and the digital processor takes action based upon which one of the plurality of inductive touch sensors was actuated (touched).
摘要翻译：集成电路装置感应式模拟前端（AFE）激励多个感应式触摸传感器中选定的一个感应式触摸传感器，测量多个感应触摸传感器的线圈两端的电压，并提供代表这些线圈电压的模拟输出信号。感应传感器的物理位移（触摸）导致感应式触摸传感器的电感值随着感应式触摸传感器线圈两端电压的相应变化而变化。数字处理器控制多个感应式触摸传感器中的每一个的选择，并从感应触摸AFE接收相应的模拟输出电压信号。当由数字处理器确定线圈电压的充分变化时，假定该感应式触摸传感器已被致动，并且数字处理器基于多个感应式触摸传感器中的哪一个被触发（触摸）而采取行动。

4. 发明申请

US20100090716A1 Integrated Circuit Device to Support Inductive Sensing 有权
标题翻译：集成电路设备，用于支持感应感应
公开(公告)号：US20100090716A1
公开(公告)日：2010-04-15
申请号：US12560855
申请日：2009-09-16
申请人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
发明人： Sean Steedman , Keith E. Curtis , Radu Ruscu , Petru Cristian Pop
IPC分类号： G01R31/02
CPC分类号： H03K17/96 , H03K2217/96038
摘要： An integrated circuit device inductive touch analog front end (AFE) excites selected ones of a plurality of inductive touch sensors, measures voltages across the coils of the plurality of inductive touch sensors, and provides analog output signals representative of these coil voltages. A physical displacement (touch) to the inductive sensor causes the inductance value of the inductive touch sensor to change with a corresponding change in a voltage across the coil of the inductive touch sensor. A digital processor controls selection of each one of the plurality of inductive touch sensors and receives the respective analog output voltage signal from the inductive touch AFE. When a sufficient change in the coil voltage is determined by the digital processor, that inductive touch sensor is assumed to have been actuated and the digital processor takes action based upon which one of the plurality of inductive touch sensors was actuated (touched).
摘要翻译：集成电路装置感应式模拟前端（AFE）激励多个感应式触摸传感器中选定的一个感应式触摸传感器，测量多个感应触摸传感器的线圈两端的电压，并提供代表这些线圈电压的模拟输出信号。感应传感器的物理位移（触摸）导致感应式触摸传感器的电感值随着感应式触摸传感器线圈两端电压的相应变化而变化。数字处理器控制多个感应式触摸传感器中的每一个的选择，并从感应触摸AFE接收相应的模拟输出电压信号。当由数字处理器确定线圈电压的充分变化时，假定该感应式触摸传感器已被致动，并且数字处理器基于多个感应式触摸传感器中的哪一个被触发（触摸）而采取行动。

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