H02H3/18

Fault detection and monitoring methods for safe operation of a WEVC system

A wireless electric vehicle charging system comprises base-side equipment for generating a magnetic field and vehicle-side equipment for receiving energy via the magnetic field to supply power to a vehicle-driving battery. Monitoring circuitry monitors one or more of voltage, current, or phase associated with the base-side equipment and halts generation of the magnetic field in response to a change in the voltage, current, or phase associated with the operation of the base-side equipment that indicates a fault condition at the vehicle-side equipment, which may include a loss of power or disconnection of a battery. Based on detection of the change, the monitoring circuitry can halt generation of the magnetic field to prevent damage at the vehicle-side equipment.

Smart cartridge wake up operation and data retention

A surgical instrument comprising an end effector, a firing member, a motor, and a control circuit is disclosed. The end effector comprises a first jaw, a second jaw movable relative to the first jaw to grasp tissue therebetween, a staple cartridge comprising staples, a first sensor at a first position of the end effector, and a second sensor at a second position of the end effector. The firing member is movable in a firing motion to deploy the staples. The motor is configured to cause the firing motion. The control circuit is configured to receive a first output of the first sensor, receive a second output of the second sensor, and cause the motor to adjust the firing motion based on the first and second outputs. The first output is indicative of a tissue property and the second output is indicative of the tissue property.

Smart cartridge wake up operation and data retention

A surgical instrument comprising an end effector, a firing member, a motor, and a control circuit is disclosed. The end effector comprises a first jaw, a second jaw movable relative to the first jaw to grasp tissue therebetween, a staple cartridge comprising staples, a first sensor at a first position of the end effector, and a second sensor at a second position of the end effector. The firing member is movable in a firing motion to deploy the staples. The motor is configured to cause the firing motion. The control circuit is configured to receive a first output of the first sensor, receive a second output of the second sensor, and cause the motor to adjust the firing motion based on the first and second outputs. The first output is indicative of a tissue property and the second output is indicative of the tissue property.

End effector including magnetic and impedance sensors

An end effector for use with a surgical stapling instrument is disclosed. The end effector comprises a first jaw, a second jaw movable relative to the first jaw to grasp tissue therebetween, and a staple cartridge. The staple cartridge comprises staples deployable into the tissue. The end effector further comprises a magnetic sensor configured to measure a parameter indicative of an identifying characteristic of the staple cartridge, an impedance sensor configured to measure a parameter indicative of an impedance of the tissue, and a processing unit in communication with the impedance sensor. The processing unit is configured to determine a property of the tissue based on an output of the impedance sensor.

End effector including magnetic and impedance sensors

An end effector for use with a surgical stapling instrument is disclosed. The end effector comprises a first jaw, a second jaw movable relative to the first jaw to grasp tissue therebetween, and a staple cartridge. The staple cartridge comprises staples deployable into the tissue. The end effector further comprises a magnetic sensor configured to measure a parameter indicative of an identifying characteristic of the staple cartridge, an impedance sensor configured to measure a parameter indicative of an impedance of the tissue, and a processing unit in communication with the impedance sensor. The processing unit is configured to determine a property of the tissue based on an output of the impedance sensor.

SYSTEMS AND METHODS FOR CONTROLLING A SEGMENTED CIRCUIT

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

SYSTEMS AND METHODS FOR CONTROLLING A SEGMENTED CIRCUIT

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

High-voltage output driver for a sensor device with reverse current blocking
11290107 · 2022-03-29 · ·

A high-voltage output driver (1) for a sensor device (100) with reverse current blocking comprises a supply node (SN) to apply a supply voltage (VHV) and an output node (OP) to provide an output signal (OS) of the high-voltage output driver (1). The high-voltage output driver (1) comprises a driver transistor (MP0) being disposed between the supply node (SN) and the output node (OP). The high-voltage output driver (1) further comprises a bulk control circuit (20) to apply a bulk control voltage (Vwell) to a bulk node (BMP0) of the driver transistor (MP0), and a gate control circuit (30) to apply a gate control voltage (GCV) to the gate node (GMP0) of the driver transistor (MP0).

High-voltage output driver for a sensor device with reverse current blocking
11290107 · 2022-03-29 · ·

A high-voltage output driver (1) for a sensor device (100) with reverse current blocking comprises a supply node (SN) to apply a supply voltage (VHV) and an output node (OP) to provide an output signal (OS) of the high-voltage output driver (1). The high-voltage output driver (1) comprises a driver transistor (MP0) being disposed between the supply node (SN) and the output node (OP). The high-voltage output driver (1) further comprises a bulk control circuit (20) to apply a bulk control voltage (Vwell) to a bulk node (BMP0) of the driver transistor (MP0), and a gate control circuit (30) to apply a gate control voltage (GCV) to the gate node (GMP0) of the driver transistor (MP0).

Power supply device and display device

A power supply device (100) and a display device (200). The power supply device (100) comprises a drive unit (10), a power source unit (20) and a protection unit (30); the drive unit is configured to drive the display device (200); the power source unit (20) is electrically connected to the drive unit (10); the power source unit (20) is configured to provide electric energy; the protection unit (30) is electrically connected between the drive unit (10) and the power source unit (20); and the protection unit (30) is configured to prevent current recharge.