公开(公告)号：US20180172810A1

公开(公告)日：2018-06-21

申请号：US15610101

申请日：2017-05-31

Applicant: STMICROELECTRONICS S.R.L.

Inventor： Stefano Corona ,  Matteo Albertini ,  Francesco D'Angelo

IPC: G01S7/524 ,  G01S15/93 ,  G01S7/527 ,  G01S15/10

CPC classification number: G01S7/524 ,  G01S7/523 ,  G01S7/527 ,  G01S15/102 ,  G01S15/108 ,  G01S15/93

Abstract: A method of detecting objects includes transmitting toward an object a first acoustic signal including a first set of pulses including a first number of pulses, and checking if a first echo signal resulting from reflection of the first acoustic signal is received with an intensity reaching an echo detection threshold. If the intensity of the first echo signal reaches the echo detection threshold, the distance to the object is calculated as a function of the time delay of the first echo signal. If the intensity of the first echo signal fails to reach the echo detection threshold, one or more further acoustic signals are transmitted including a set of pulses wherein the number of pulses is increased with respect to the number of pulses in said first acoustic signal.

公开(公告)号：US09886940B2

公开(公告)日：2018-02-06

申请号：US14518894

申请日：2014-10-20

Applicant: STMicroelectronics S.r.l.

Inventor： Matteo Albertini ,  Sandro Rossi

IPC: H03K5/08 ,  G10K11/18 ,  H03K3/355 ,  H03K5/125 ,  H03K19/0175 ,  H03K19/0185 ,  H03K5/003 ,  B06B1/02

CPC classification number: G10K11/18 ,  B06B1/0215 ,  B06B2201/76 ,  H03K3/355 ,  H03K5/003 ,  H03K5/125 ,  H03K19/017509 ,  H03K19/018521

Abstract: A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node and a second conduction terminal coupled to the clamp node. A second high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the clamp node and a second conduction terminal coupled to the second voltage reference node. A third high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node, a control terminal coupled to the clamp node, and a second conduction terminal coupled to the output node. A voltage regulator of the voltage shifter is coupled between the output node and the clamp node.

公开(公告)号：US20150109888A1

公开(公告)日：2015-04-23

申请号：US14518894

申请日：2014-10-20

Applicant: STMicroelectronics S.r.l.

Inventor： Matteo Albertini ,  Sandro Rossi

IPC: G10K11/18 ,  H03K5/003

CPC classification number: G10K11/18 ,  B06B1/0215 ,  B06B2201/76 ,  H03K3/355 ,  H03K5/003 ,  H03K5/125 ,  H03K19/017509 ,  H03K19/018521

Abstract: A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node and a second conduction terminal coupled to the clamp node. A second high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the clamp node and a second conduction terminal coupled to the second voltage reference node. A third high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node, a control terminal coupled to the clamp node, and a second conduction terminal coupled to the output node. A voltage regulator of the voltage shifter is coupled between the output node and the clamp node.

Abstract translation: 器件电压移位器包括第一电压参考节点，第二参考节点，输出节点和钳位节点。 电压转换器的第一高压开关晶体管具有耦合到第一参考电压的第一导通端和耦合到钳位结点的第二导通端。 电压移位器的第二高压开关晶体管具有耦合到钳位节点的第一导电端子和耦合到第二电压参考节点的第二导通端子。 电压移位器的第三高压开关晶体管具有耦合到第一电压参考节点的第一导通端子，耦合到钳位节点的控制端子和耦合到输出节点的第二导通端子。 电压转换器的电压调节器耦合在输出节点和钳位节点之间。

公开(公告)号：US10339914B2

公开(公告)日：2019-07-02

申请号：US15864997

申请日：2018-01-08

Applicant: STMicroelectronics S.r.l.

Inventor： Matteo Albertini ,  Sandro Rossi

IPC: H03K5/08 ,  G10K11/18 ,  H03K3/355 ,  H03K5/125 ,  H03K19/0175 ,  H03K19/0185 ,  H03K5/003 ,  B06B1/02

Abstract: A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node and a second conduction terminal coupled to the clamp node. A second high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the clamp node and a second conduction terminal coupled to the second voltage reference node. A third high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node, a control terminal coupled to the clamp node, and a second conduction terminal coupled to the output node. A voltage regulator of the voltage shifter is coupled between the output node and the clamp node.

公开(公告)号：US20180130456A1

公开(公告)日：2018-05-10

申请号：US15864997

申请日：2018-01-08

Applicant: STMicroelectronics S.r.l.

Inventor： Matteo Albertini ,  Sandro Rossi

IPC: G10K11/18 ,  H03K19/0185 ,  H03K19/0175 ,  B06B1/02 ,  H03K3/355 ,  H03K5/125 ,  H03K5/003

CPC classification number: G10K11/18 ,  B06B1/0215 ,  B06B2201/76 ,  H03K3/355 ,  H03K5/003 ,  H03K5/125 ,  H03K19/017509 ,  H03K19/018521

Abstract: A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node and a second conduction terminal coupled to the clamp node. A second high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the clamp node and a second conduction terminal coupled to the second voltage reference node. A third high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node, a control terminal coupled to the clamp node, and a second conduction terminal coupled to the output node. A voltage regulator of the voltage shifter is coupled between the output node and the clamp node.