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1. 发明授权

US08497746B2 Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages 有权
公开(公告)号：US08497746B2
公开(公告)日：2013-07-30
申请号：US12794428
申请日：2010-06-04
申请人： Andrea Visconti , Luciano Prandi , Carlo Caminada , Paolo Angelini
发明人： Andrea Visconti , Luciano Prandi , Carlo Caminada , Paolo Angelini
IPC分类号： H03H11/00 , H03M3/00 , G06G7/184
CPC分类号： H03H11/126 , H03H19/004
摘要： A band-pass filter made up by an operational amplifier and by an input circuit. The input circuit is formed by a capacitive filtering element, connected to the input of the operational amplifier; a coupling switch, coupled between an input node and the capacitive filtering element; a capacitive sampling element, coupled between the input of the filter and the input node; and a sampling switch, coupled between the input node and a reference-potential line. The coupling switch and the input sampling switch close in phase opposition according to a succession of undesired components sampling and sensing steps, so that the capacitive sampling element forms a sampler for sampling the undesired component in the undesired components sampling step, in the absence of the component of interest, and forms a subtractor of the undesired components from the input signal in the sensing step.

2. 发明申请

US20100308935A1 SWITCHED-CAPACITOR BAND-PASS FILTER OF A DISCRETE-TIME TYPE, IN PARTICULAR FOR CANCELLING OFFSET AND LOW-FREQUENCY NOISE OF SWITCHED-CAPACITOR STAGES 有权
标题翻译：开关电容器的隔离带通滤波器，特别是用于取消开关电容器的偏置和低频噪声
公开(公告)号：US20100308935A1
公开(公告)日：2010-12-09
申请号：US12794428
申请日：2010-06-04
申请人： Andrea Visconti , Luciano Prandi , Carlo Caminada , Paolo Angelini
发明人： Andrea Visconti , Luciano Prandi , Carlo Caminada , Paolo Angelini
IPC分类号： H03H7/00
CPC分类号： H03H11/126 , H03H19/004
摘要： A band-pass filter made up by an operational amplifier and by an input circuit. The input circuit is formed by a capacitive filtering element, connected to the input of the operational amplifier; a coupling switch, coupled between an input node and the capacitive filtering element; a capacitive sampling element, coupled between the input of the filter and the input node; and a sampling switch, coupled between the input node and a reference-potential line. The coupling switch and the input sampling switch close in phase opposition according to a succession of undesired components sampling and sensing steps, so that the capacitive sampling element forms a sampler for sampling the undesired component in the undesired components sampling step, in the absence of the component of interest, and forms a subtractor of the undesired components from the input signal in the sensing step.
摘要翻译：由运算放大器和输入电路构成的带通滤波器。输入电路由电容滤波元件形成，连接到运算放大器的输入端; 耦合开关，耦合在输入节点和电容滤波元件之间; 耦合在滤波器的输入端和输入节点之间的电容性采样元件; 以及耦合在输入节点和参考电位线之间的采样开关。耦合开关和输入采样开关根据一系列不期望的分量采样和感测步骤接近相位，使得电容采样元件形成采样器，用于在不期望的分量采样步骤中采样不期望的分量，在不存在并且在感测步骤中从输入信号形成不期望的分量的减法器。

3. 发明申请

US20110140769A1 CIRCUIT FOR GENERATING A REFERENCE ELECTRICAL QUANTITY 审中-公开
标题翻译：产生参考电量的电路
公开(公告)号：US20110140769A1
公开(公告)日：2011-06-16
申请号：US12965500
申请日：2010-12-10
申请人： Andrea Visconti , Paolo Angelini
发明人： Andrea Visconti , Paolo Angelini
IPC分类号： G05F1/10
CPC分类号： G05F3/30
摘要： A circuit for generating a reference electrical quantity, including: a first bipolar transistor and a second bipolar transistor having the base terminals connected to one another and to a common node; a first resistor connected to the emitter terminal of the second bipolar transistor; a first mirror circuit and a second mirror circuit connected to the first and second bipolar transistors, which receive, respectively, a first current and a second current and generate, respectively, a first mirrored current and a second mirrored current; a first output stage, which generates the reference electrical quantity as a function of the first and second mirrored currents; and a second resistor connected to the common node. The first current is a function of the current in the first resistor, whilst the second current is a function of the current in the second resistor.
摘要翻译：一种用于产生参考电量的电路，包括：第一双极晶体管和第二双极晶体管，其具有彼此连接的基极和公共节点; 连接到所述第二双极晶体管的发射极端子的第一电阻器; 连接到第一和第二双极晶体管的第一镜电路和第二镜电路分别接收第一电流和第二电流并分别产生第一镜像电流和第二镜像电流; 第一输出级，其产生作为第一和第二镜像电流的函数的参考电量; 以及连接到公共节点的第二电阻器。第一电流是第一电阻器中的电流的函数，而第二电流是第二电阻器中的电流的函数。

4. 发明申请

US20110148468A1 THRESHOLD COMPARATOR WITH HYSTERESIS AND METHOD FOR PERFORMING THRESHOLD COMPARISON WITH HYSTERESIS 有权
标题翻译：具有滞后的阈值比较器和用于执行阈值比较的滞后方法
公开(公告)号：US20110148468A1
公开(公告)日：2011-06-23
申请号：US12958769
申请日：2010-12-02
申请人： Andrea Visconti , Paolo Angelini
发明人： Andrea Visconti , Paolo Angelini
IPC分类号： H03K5/22
CPC分类号： H03K3/02337
摘要： A threshold comparator with hysteresis includes a comparator circuit, having a first input, for receiving an input voltage, a second input, and an output, which supplies an output voltage having a first value and a second value. A current generator, controlled by the output voltage, supplies a current to the first input in the presence selectively of one between the first value and second value of the output voltage. A selector circuit connects the second input of the comparator circuit to a first reference voltage source, which supplies a first reference voltage, in response to first edges of the output voltage, and to a second reference voltage source, which supplies a second reference voltage, in response to second edges of the output voltage, opposite to the first edges.
摘要翻译：具有滞后的阈值比较器包括具有用于接收输入电压的第一输入的比较器电路，提供具有第一值和第二值的输出电压的第二输入和输出。由输出电压控制的电流发生器在选择性地存在输出电压的第一值和第二值之间的电流的情况下向第一输入提供电流。选择器电路将比较器电路的第二输入连接到第一参考电压源，该第一参考电压源响应于输出电压的第一个边缘而提供第一参考电压，以及提供第二参考电压，响应于与第一边缘相反的输出电压的第二边缘。

5. 发明授权

US09128573B2 High signal to noise ratio capacitive sensing analog front-end 有权
标题翻译：高信噪比电容式感应模拟前端
公开(公告)号：US09128573B2
公开(公告)日：2015-09-08
申请号：US13619328
申请日：2012-09-14
申请人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
发明人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
IPC分类号： G06F3/044
CPC分类号： G06F3/044 , G06F3/0416
摘要： Capacitance sensing circuits and methods are provided. The capacitance sensing circuit includes a capacitance-to-voltage converter configured to receive a signal from a capacitance to be sensed and to provide an output signal representative of the capacitance, an output chopper configured to convert the output signal of the capacitance-to-voltage converter to a sensed voltage representative of the capacitance to be sensed, an analog accumulator configured to accumulate sensed voltages during an accumulation period of NA sensing cycles and to provide an accumulated analog value, an amplifier configured to amplify the accumulated analog value, and an analog-to-digital converter configured to convert the amplified accumulated analog value to a digital value representative of the capacitance to be sensed. The analog accumulator may include a low pass filter having a frequency response to filter wideband noise.
摘要翻译：提供电容感测电路和方法。电容感测电路包括：电容 - 电压转换器，被配置为从要感测的电容接收信号并提供表示电容的输出信号;输出斩波器，被配置为转换电容 - 电压的输出信号转换器到感测的电压，代表要感测的电容;模拟累加器，被配置为在NA感测周期的累积周期期间累积感测电压并提供累加的模拟值，被配置为放大所累积的模拟值的放大器和模拟配置为将放大的累积模拟值转换为表示要感测的电容的数字值。模拟累加器可以包括具有对滤波器宽带噪声的频率响应的低通滤波器。

6. 发明申请

US20050033236A1 Local drug delivery catheter 失效
标题翻译：局部给药导管
公开(公告)号：US20050033236A1
公开(公告)日：2005-02-10
申请号：US10360803
申请日：2003-02-10
申请人： Bandula Wijay , Paolo Angelini
发明人： Bandula Wijay , Paolo Angelini
IPC分类号： A61M5/178 , A61M25/00
CPC分类号： A61M25/0084 , A61M2025/0087
摘要： The present invention uses several innovative means in order to effectively puncture the intimal wall of blood vessels reliably and controllably. The total penetration of the needle is controlled by the height of the needle projecting from its base and the degree of penetration is controlled by the use of “cam” or similar means or mechanisms that moves the base containing the needles.
摘要翻译：本发明为了有效地可靠且可控地穿刺血管内壁而采用了几种创新手段。针的总贯穿度由针从其底部突出的高度来控制，并且穿透程度通过使用“凸轮”或类似的移动包含针的底座的装置或机构来控制。

7. 发明授权

US5066282A Positive displacement piston driven blood pump 失效
标题翻译：正排量活塞驱动血泵
公开(公告)号：US5066282A
公开(公告)日：1991-11-19
申请号：US347406
申请日：1989-05-04
申请人： Bandula Wijay , Paolo Angelini
发明人： Bandula Wijay , Paolo Angelini
IPC分类号： A61F2/958 , A61M1/10 , A61M25/00 , A61M29/02
CPC分类号： A61M25/104 , A61M1/1081 , A61M25/1002 , A61M2025/0006 , A61M2025/1059 , A61M2025/1079 , A61M2025/1093 , A61M25/0071 , Y10S128/12
摘要： The invention is a disposable, positive-displacement piston pump, having a polycarbonate body, a piston, an inlet valve, and an outlet valve. The outlet valve is connected to an exit chamber, which is separated from the exit valve by an elastomeric membrane. The elastomeric membrane encloses an accumulation chamber which is filled with a fluid such as air under atmospheric pressure. Pulsations in outlet pressure caused by stroking of the piston are dampened by the flexing action of the elastomeric membrane, compressing the fluid within the accumulator chamber. The throw out of the pump is pressure-dampened and is of sufficient pressure to flow through very low-profile angioplasty catheters having perfusion lumens extending therethrough. The combination of the pump with a very low-profile balloon angioplasty catheter allows access of the catheter to a constricted passage with the ability to pump a sufficient volume of blood through such a low-profile catheter during balloon inflations.
摘要翻译：本发明是具有聚碳酸酯本体，活塞，入口阀和出口阀的一次性，正排量活塞泵。出口阀连接到出口室，出口室通过弹性膜与出口阀分离。弹性膜包围积聚室，其在大气压下充满诸如空气的流体。由活塞触发引起的出口压力的脉冲被弹性体膜的弯曲作用所吸收，压缩蓄液室内的流体。从泵中排出的压力被抑制并具有足够的压力以流过具有延伸穿过其中的灌注内腔的非常薄型的血管成形术导管。泵与非常低轮廓的气囊血管成形术导管的组合允许导管进入狭窄的通道，具有在球囊充气期间通过这种低轮廓导管泵送足够体积的血液的能力。

8. 发明授权

US5158540A Perfusion catheter 失效
标题翻译：灌注导管
公开(公告)号：US5158540A
公开(公告)日：1992-10-27
申请号：US527009
申请日：1990-05-22
申请人： Bandula Wijay , Paolo Angelini
发明人： Bandula Wijay , Paolo Angelini
IPC分类号： A61F2/958 , A61M25/00 , A61M29/02
CPC分类号： A61M25/104 , A61M25/0054 , A61M25/1002 , A61M2025/0006 , A61M2025/1059 , A61M2025/1079 , A61M2025/1093 , A61M25/0071
摘要： A low-profile angioplasty catheter is disclosed which is insertable through a guiding catheter. The angioplasty catheter has two balloons. The distal balloon dilates the stenosis. The proximal balloon is separately inflatable and selectively closes the annular passage between the angioplasty catheter and the guiding catheter. The angioplasty catheter has a central lumen with a series of openings allowing fluid communication from the central lumen into the annular passage proximally of the balloon which seals the annular passage. While the first balloon is inflated to dilate the stenosis, blood can be withdrawn from an arterial source through a lumen (or plurality thereof) in the guiding catheter and pumped into the annular passage between the angioplasty catheter and the guiding catheter. The blood then passes through the openings proximal to the proximal balloon into the central lumen of the PTCA catheter and flows beyond the distal tip of the angioplasty catheter to maintain circulation of the patient's blood at a point distal of the stenosis.
摘要翻译：公开了一种可以通过引导导管插入的低剖面血管成形术导管。血管成形术导管具有两个气囊。远端球囊扩张狭窄。近端球囊分开充气，并选择性地关闭血管成形术导管和引导导管之间的环形通道。血管成形术导管具有中央腔，其具有一系列开口，允许从中心腔流体连通到密封环形通道的气囊近侧的环形通道。当第一气囊膨胀以扩张狭窄时，血液可以通过引导导管中的内腔（或多个）从动脉源抽出，并被泵送到血管成形术导管和引导导管之间的环形通道中。血液然后穿过近端球囊的开口进入PTCA导管的中心腔，并流过血管成形术导管的远端，以保持患者血液在狭窄点远端的循环。

9. 发明申请

US20150145801A1 HIGH SIGNAL TO NOISE RATIO CAPACITIVE SENSING ANALOG FRONT-END 有权
标题翻译：高信号噪声比电容式传感模拟前端
公开(公告)号：US20150145801A1
公开(公告)日：2015-05-28
申请号：US13619328
申请日：2012-09-14
申请人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
发明人： Paolo Angelini , Giovanni Carlo Tripoli , Ernesto Lasalandra , Tommaso Ungaretti , Kien Beng Tan , Yannick Guedon , Dianbo Guo , Sze-Kwang Tan
IPC分类号： G06F3/044
CPC分类号： G06F3/044 , G06F3/0416
摘要： Capacitance sensing circuits and methods are provided. The capacitance sensing circuit includes a capacitance-to-voltage converter configured to receive a signal from a capacitance to be sensed and to provide an output signal representative of the capacitance, an output chopper configured to convert the output signal of the capacitance-to-voltage converter to a sensed voltage representative of the capacitance to be sensed, an analog accumulator configured to accumulate sensed voltages during an accumulation period of NA sensing cycles and to provide an accumulated analog value, an amplifier configured to amplify the accumulated analog value, and an analog-to-digital converter configured to convert the amplified accumulated analog value to a digital value representative of the capacitance to be sensed. The analog accumulator may include a low pass filter having a frequency response to filter wideband noise.
摘要翻译：提供电容感测电路和方法。电容感测电路包括：电容 - 电压转换器，被配置为从要感测的电容接收信号并提供表示电容的输出信号;输出斩波器，被配置为转换电容 - 电压的输出信号转换器到感测的电压，代表要感测的电容;模拟累加器，被配置为在NA感测周期的累积周期期间累积感测电压并提供累加的模拟值，被配置为放大所累积的模拟值的放大器和模拟配置为将放大的累积模拟值转换为表示要感测的电容的数字值。模拟累加器可以包括具有对滤波器宽带噪声的频率响应的低通滤波器。

10. 发明授权

US06997903B2 Local drug delivery catheter 失效
标题翻译：局部给药导管
公开(公告)号：US06997903B2
公开(公告)日：2006-02-14
申请号：US10360803
申请日：2003-02-10
申请人： Bandula Wijay , Paolo Angelini
发明人： Bandula Wijay , Paolo Angelini
IPC分类号： A61M5/00
CPC分类号： A61M25/0084 , A61M2025/0087
摘要： The present invention uses several innovative means in order to effectively puncture the intimal wall of blood vessels reliably and controllably. The total penetration of the needle is controlled by the height of the needle projecting from its base and the degree of penetration is controlled by the use of “cam” or similar means or mechanisms that moves the base containing the needles.
摘要翻译：本发明为了有效地可靠且可控地穿刺血管内壁而采用了几种创新手段。针的总贯穿度由针从其底部突出的高度来控制，并且穿透程度通过使用“凸轮”或类似的移动包含针的底座的装置或机构来控制。

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