1227 results about "Proximity sensor" patented technology

The invention discloses a capacitive proximity sensor and a temperature drift compensation method of the capacitive proximity sensor, and the sensor comprises an oscillation detection module which comprises a sensor electrode and is used for outputting an oscillation signal according to the capacitance change of the sensor electrode and converting the oscillation signal into a first electric signal; the temperature detection module is used for detecting the environment temperature at the current moment and outputting a second electric signal; the digital potentiometer is connected with the oscillation detection module and is used for adjusting the first electric signal output by the oscillation detection module by adjusting the tap position; and the main control module is used for controlling the digital potentiometer to adjust the tap according to the second electric signal and outputting a detection result according to the first electric signal. The integrated temperature detection module is used for detecting the environment temperature, the tap position of the digital potentiometer is adjusted to achieve dynamic adjustment of the first electric signal, real-time compensation of the environment temperature change is achieved, and the detection precision and the environment adaptability of the sensor are remarkably improved.

The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display driving control method and system. Comprising the following steps: SS01, multi-modal sensing and state triggering: fusing a user distance, a fixation point coordinate and ambient light illumination in real time by using an integrated sensor, and triggering an eye protection mode or a self-adaptive sleep mechanism according to the user distance, the fixation point coordinate and the ambient light illumination, SS02, image partitioning and strategy generation: dividing a screen into N * M partitions, and SS03, distinguishing a dynamic region from a static region according to the brightness histogram and the motion vector of each partition, and outputting differentiated refresh rates and backlight strategies, and SS03, performing big data learning and model optimization, and collecting user behaviors. The system has the advantages that the infrared proximity sensor, the eyeball tracking sensor, the distance sensor and the ambient light sensor are integrated through the multi-mode sensing and state triggering module, multi-dimensional data such as user distance, fixation point coordinates and ambient light illuminance are fused in real time, and active intelligent sensing of the user state and the environment is achieved.

A positioning system for a head restraint in a vehicle includes one or more head restraint actuators, one or more proximity sensors positioned oriented to detect a fore-aft distance of a head of an occupant relative to the head restraint, and one or more controllers. The one or more controllers include one or more processors that execute instructions to determine the fore-aft position of the head restraint based on the fore-aft distance and compare the fore-aft position of the head restraint with a fore-aft bounding range of the head restraint. In response to determining the fore-aft position of the head restraint falls outside the fore-aft bounding range, the one or more controllers instruct the one or more head restraint actuators to adjust the fore-aft position of the head restraint to fall within the fore-aft bounding range. In embodiments, the positioning system includes one or more force sensors.

MEMS device (100), having the following features: at least one touch sensor element (120, 1201-1204) configured to detect a touch (124) piezoelectrically, capacitively, optically, or magnetically; and at least one proximity sensor element (130, 1301-1304) configured to detect an object (200) spaced from the proximity sensor element (130, 1301-1304) with sound (190, 191, 192); wherein the at least one touch sensor element (120, 1201-1204) and the at least one proximity sensor element (130, 1301-1304) are integrated on a semiconductor chip (110); wherein the at least one touch sensor element (120, 1201-1204) comprises a plate (142) defining a recess (140) in an insulator (114) and configured to be bent upon contact; and wherein the at least one touch sensor element (120, 1201-1204) is designed to detect a bending of the plate (142) caused by a touch piezoelectrically, capacitively, optically or magnetically, wherein the MEMS device (100) is configured to determine a force of contact based on a magnitude of the bending.

The invention discloses a multi-sensor fusion hardware workpiece assembling and positioning method and system, and relates to the technical field of workpiece assembling and positioning.The method comprises the steps that a programmable lighting unit is controlled to project a preset optical pattern to a workpiece, and a visual sensor is used for obtaining a workpiece image; the initial pose of the workpiece is calculated, and an actuator is guided to move the workpiece into a target position preset range coordinate ring; fusing the visual pose data and the distance data of the proximity sensor, carrying out collaborative evaluation and correction on the pose of the workpiece reaching a preset range coordinate ring, and fixing the workpiece to an assembly execution coordinate position; and finally compensating the pose of the workpiece, and executing an assembling operation action. The technical problems that in the prior art, hardware workpiece assembling and positioning are lack of precision, and the assembling process is unstable are solved, and the technical effects that hardware workpiece assembling and positioning precision and assembling process stabilization are achieved, and the assembling precision and safety are improved are achieved.

The invention discloses an intelligent monitoring type anti-collision and obstacle-avoidance transfer robot, and relates to the technical field of transfer robots, the intelligent monitoring type anti-collision and obstacle-avoidance transfer robot comprises a multi-degree-of-freedom manipulator, a moving carrier and an anti-collision and obstacle-avoidance mechanism, and the bottom of the multi-degree-of-freedom manipulator is mounted at the top of the moving carrier through a magnetic suction type quick-change interface. Through the arrangement of a double-encoder servo motor and a harmonic reducer adopted by the base unit, + / -360-degree unlimited rotation is achieved, meanwhile, a modular tool interface innovated at the tail end can intelligently recognize a clamping jaw, a suction cup and a flexible clamping plate, a first force sensor and a proximity sensor which are arranged in a tool are matched, and the clamping jaw, the suction cup and the flexible clamping plate can be intelligently recognized; the multi-degree-of-freedom manipulator is used for forming touch-vision collaborative perception, improving the clamping force control precision, avoiding breakage of fragile products, obtaining a space coordinate system of each joint of the multi-degree-of-freedom manipulator through the arrangement of the joint chain and the infrared structured light camera, and ensuring the anti-collision and obstacle avoidance effect when the moving carrier drives the multi-degree-of-freedom manipulator to move.

The invention provides a voice assistant interaction method and electronic equipment, the electronic equipment can determine whether to wake up a voice assistant according to own equipment posture and equipment action, and the equipment posture can be determined by combining measurement data of various sensors of the electronic equipment. For example, measurement data of an IMU, measurement data of an ultrasonic signal, touch information of a capacitive screen or measurement data of a proximity sensor and the like. The probability that the voice assistant is awakened by mistake is lower, and the energy utilization efficiency of the electronic equipment is higher. The pickup method and the feedback method executed by the electronic device can be determined according to the device posture of the electronic device, the voice interaction process of the user is more natural, and the usability of the voice assistant is better.

A bidirectional haptic feedback system, including: a flexible membrane configured to be mounted on a handheld controller; sensor-actuator units arranged on the flexible membrane, the sensor-actuator units respectively including a damping mechanism configured to mechanically isolate vibrations between adjacent sensor-actuator units; a control system configured to: generate vibration signals within selected frequency bands within a proximity to a natural resonant frequency range of the sensor-actuator units to drive the actuators of the sensor-actuator units to deliver haptic feedback to a user based on a state of the robot; simultaneously detect user grasp contact and pressure through analysis of back electromotive force (EMF) signals generated by the sensor-actuator units; and adjust robot control parameters dynamically in response to the detected grasp contact and pressure.

A sensor module for an end effector of a robot is described. The sensor module includes a substrate having formed thereon, a set of proximity sensors and a set of pressure sensors, the set of proximity sensors and the set of pressure sensors configured to have overlapping sensing regions, and a cover coupled to the substrate, the cover comprising a material that permits transmission of signals from the set of proximity sensors through the material.

The invention discloses a capacitive proximity sensor adjusting method applied to folding equipment and electronic equipment, and relates to the field of terminals, and the electronic equipment can detect a capacitance value through a capacitive proximity sensor. Wherein the capacitance value detected by the capacitive proximity sensor is the sum of the human body proximity capacitance value and the environment capacitance value. When it is detected that the folding screen is converted from the non-complete folding state to the complete folding state, the electronic device can adjust the environment offset data 1 to the environment offset data 2 based on the currently determined environment capacitance value. Wherein the environment offset data 1 is used for eliminating the environment capacitance value when the folding screen is not in the completely folded state, and the environment offset data 2 is used for eliminating the environment capacitance value when the folding screen is in the completely folded state. When the folding screen is in a fully folded state, the electronic device can detect a human body proximity capacitance value through the capacitive proximity sensor based on the environment offset data 2.

An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, a filter circuit, a proximity sensor, and a tuning circuit. The ground element provides a ground voltage. The feeding radiation element has a feeding point. The first radiation element and the second radiation element are coupled to the feeding radiation element, or are disposed adjacent to the feeding radiation element. The first radiation element is also coupled through the shorting radiation element to the ground voltage. The third radiation element is disposed adjacent to the first radiation element. The third radiation element is coupled through the filter circuit to the proximity sensor. The filter circuit is also coupled through the tuning circuit to the ground voltage.

A lighted steering wheel device is provided. The device is comprised of a steering wheel that integrates customizable and functional lighting features to enhance both safety and aesthetics. The steering wheel comprises various materials and configurations, with embedded flexible LED strips encased in impact-resistant, UV-protected casings, capable of displaying a wide range of static or dynamic light patterns. These patterns can be synchronized with vehicle systems, such as flashing red for emergency braking or reacting to turn signals, and brightness can adjust based on vehicle speed. The device includes a control interface embedded in the wheel and offers further customization via a mobile app, which provides remote access to light settings and synchronization features. Additionally, the device can generate safety alerts, utilizing proximity sensors, GPS integration, and haptic feedback for a multisensory driver experience, with an illuminated emblem adding a complementary design element.

The utility model discloses a battery cell hot-pressing mechanism, and relates to the technical field of lithium ion battery manufacturing. The hot pressing device comprises an upper hot pressing plate, a lower hot pressing plate, an upper fixing plate, a lower supporting plate, a side vertical plate, a hydraulic cylinder, a guide sliding rod, an upper hot pressing supporting plate, a first replacement bottom plate, a second replacement bottom plate, a photoelectric sensor and a proximity sensor. Piston rod output ends of the hydraulic cylinders are connected with the upper hot-pressing supporting plate; the guide sliding rods penetrate through the upper fixing plate in a sliding mode, the lower ends of the guide sliding rods are connected with the upper hot-pressing supporting plate, and an induction piece is arranged at the upper end of one guide sliding rod. The first replaceable bottom plate is detachably fixed to the bottom of the upper hot-pressing supporting plate. The upper hot pressing plate is mounted below the first replacement bottom plate; the second replaceable bottom plate is detachably fixed to the top of the lower supporting plate. And the lower hot pressing plate is mounted above the second replacement bottom plate. According to the utility model, a battery cell can be subjected to hot-pressing shaping, and positive and negative plates and a diaphragm are tightly attached together, so that the appearance of the battery cell is neat and attractive, and the production efficiency is improved.

The invention provides a strategy for an MCU to carry out automatic addressing on a proximity sensor. Constructing a preset address pool in the Flash; judging whether an effective physical address exists in a memory or not; if yes, taking the current effective physical address to carry out communication work; if not, the first slave equipment physical address is taken out from the top of the preset address pool, a read instruction is generated, and whether a slave equipment ACK response signal exists on the I2C bus or not is scanned; and if the slave equipment ACK response signal is received, the current slave equipment physical address is an effective address, the effective physical address is written into the memory, and the effective physical address is taken for communication. According to the invention, the problems of poor flexibility of the pairing mode of the MCU and the proximity sensor and high cost of replacing the proximity sensor in the prior art are solved.

The invention relates to the technical field of sensors, and discloses an automatic testing method and device for an inductance proximity sensor, electronic equipment and a storage medium. The method comprises the following steps: acquiring test configuration data of a tested inductance proximity sensor, and analyzing the test configuration data to obtain a first test distance; moving the tested inductance proximity sensor to a first test position through the test clamp, wherein the distance between the tested inductance proximity sensor and the target at the first test position is a first test distance; acquiring inductance change data and sensor output data of the detected inductance proximity sensor in the moving process; sending the first test distance, the inductance change data and the sensor output data as first test result data to a target machine learning model; and performing correction and optimization processing on the first test result data through the target machine learning model to obtain target test result data corresponding to the tested inductance proximity sensor. Through the method, the test efficiency is improved, and the test error is reduced.

A safety system for a boat, watercraft or other vehicle includes a kill switch connected to the motor for preventing the motor from running under dangerous circumstances. The system may include proximity sensors operatively connected to the kill switch, so that the motor only runs when the proximity sensor detects a person properly positioned at the captain's console. Other sensors may form an array to communicate with the kill switch, to automate certain features and systems, or to otherwise provide alarms upon detection of dangerous situations, including a carbon monoxide detection sensor system, gate sensors, anchor-down sensors, ladder sensors, ambient light sensors, optical rain sensors for operating an automated windshield wiper safety system, an array of cameras strategically positioned around the periphery of the watercraft for monitoring purposes, and an automated anchor / navigation light system.

A marine maneuvering system for a marine vessel is provided. The marine maneuvering system comprises a marine vessel control unit configured to: obtain a requested movement of a joystick indicating a speed value and a direction value for an upcoming navigation of the marine vessel; obtain proximity signals from a proximity sensor in response to a target being sensed in at least portions of an environment surrounding the marine vessel at least towards a direction indicated by a direction value of the joystick; determine a distance between the marine vessel and the target based on the proximity signals; and control a force feedback device to apply a force feedback to the joystick based on the determined distance.

The invention relates to the technical field of infusion pump transmission assembly detection, and discloses an infusion pump transmission assembly detection tool which comprises a rack and a transmission assembly body, a positioning assembly used for placing the transmission assembly body is arranged above the rack, a sliding block is arranged on the transmission assembly body, and the sliding block is connected with the rack. A detection assembly for testing movement of the sliding block is arranged above the rack, the positioning assembly comprises a placement frame, the placement frame is installed on the upper surface of the rack, the transmission assembly body is placed on the placement frame, and two pins are installed on the upper surface of the placement frame. The tool integrates the functions of coaxiality detection and motor step loss detection, the thrust is monitored through the pressure sensor, the motion state is monitored through linkage of the limiting sensor and the proximity sensor, detection of two core indexes can be completed through one-time clamping, the detection process does not need to be split, and compared with traditional single-function detection equipment, the detection efficiency is effectively improved; the batch detection requirement of large-scale production is met.

The invention relates to the technical field of medical auxiliary instruments, in particular to an autonomous alarm type saliva collecting and metering device which comprises a driving assembly, an oral cavity supporting part and a collecting bag, the oral cavity supporting part is placed in the oral cavity of a patient, and saliva is guided into a pipette through a drainage hole. The liquid suction pipe is connected with the driving assembly, the driving assembly sucks saliva by generating negative pressure, and the saliva is conveyed into the collecting bag through the liquid discharge pipe. Due to the arrangement of the oral cavity supporting part, use of a head-mounted fixator in the prior art is avoided, the comfort level of a patient is remarkably improved, and meanwhile the stability and effectiveness of the device are ensured. Through the cooperation of the proximity sensor and the trigger, the automatic monitoring and alarming functions of the liquid level of saliva in the collecting bag are achieved, the work of frequent manual inspection of nursing personnel is omitted, the nursing intensity is remarkably reduced, the nursing efficiency is improved, and the device is particularly suitable for scenes needing long-term nursing.

The invention discloses an intelligent flexible clamping jaw with multi-mode sensing capability and an intelligent grabbing method thereof. An opening is formed in the top face of the flexible base, the flexible clamping jaw is connected with the opening in the top face of the base through a flexible actuator, and a proximity sensor is arranged at the bottom of the base. When the proximity sensor detects a target object, a heating electrode in the flexible actuator is automatically triggered to work, so that the temperature of the flexible actuator is increased to generate bending deformation, and the flexible clamping jaw is driven to bend to perform grabbing action. Meanwhile, signals of the temperature sensing electrode and the strain sensing electrode are collected, the real-time temperature and the bending angle are calculated, the power of the heating electrode is adaptively controlled to adjust the deformation degree of the flexible clamping jaw, and closed-loop control and intelligent grabbing and releasing functions of the device are achieved. According to the invention, by integrating actuating and multi-mode sensing functions, the integration degree and intelligence of the device are greatly improved, the problem that a traditional soft actuating device cannot perform adaptive adjustment is overcome, and the device is expected to be better applied to the field of intelligent sensing and driving.

A security floodlight has a light panel mounted in a housing for illuminating an area in proximity to the housing, an array of light emitting diodes (LEDs) mounted in the housing and arranged in a horizontal single row, and a controller configured activate the light panel based on an input signal and to sequentially activate each of the LEDs in the array of LEDs in a rotating sequence only when the light panel is not activated. The input signal may be received from a proximity sensor mounted in the housing that indicates the detection of movement in an area in close proximity to the security floodlight. The rotating sequence simulates operation of a low-light security camera by sequentially illuminating each LED in the array of LEDS in a rotating manner from a first end of the horizontal single row to a second end of the horizontal single row.

Systems, apparatus, and methods are described for providing enhanced automated access to a dispatched personal delivery device that can transport a shipment item within the device according to a dispatched logistics transaction. External sensors (e.g., cameras, proximity sensors, microphones) on the delivery device detect a person outside the dispatched personal delivery device. A controller on the delivery device authenticates that the detected person is an authorized participant to the dispatched logistics transaction based upon sensor data generated by the external sensors. An actuator on the dispatched personal delivery device provides access to within the dispatched personal delivery device to permit the dispatched logistics transaction by the detected person when the detected person has been authenticated to be the authorized participant to the dispatched logistics transaction. The delivery device may then auto-confirm the transaction using internal sensors, and interact with a server, which may instruct the delivery device with corrective actions.

The invention discloses a display screen control method and terminal equipment, and relates to the field of terminal touch control, the terminal equipment comprises an acceleration sensor and a touch sensor arranged on a display screen, and the method comprises the steps that the terminal equipment obtains touch operation acting on the display screen according to a touch signal collected by the touch sensor, according to the posture signal collected by the acceleration sensor, the posture change of the terminal equipment is obtained, and under the condition that the touch operation of the display screen meets a preset first condition and the posture change of the terminal equipment meets a preset second condition, the screen turn-off action is executed. The situation that the screen-off action is wrongly judged due to the fact that the distance between the display screen and the shielding object cannot be accurately recognized when an optical proximity sensor is applied is avoided, and the stability of screen-off judgment is improved.

A dispensing pump having a calibration system including a base including an upper base portion having a first end for mounting a motor and a second end and a lower base portion for mounting a pump on a first end and a second end. A hinge pivotally connects the second end of the upper base portion and the second end of the lower base portion. A linear actuator is mounted on the base and includes a drive rod having a coupler secured to an end thereof. The coupler joins the drive rod to a first end of a connecting member. A second end of the connecting member is secured to the lower base portion. An attachment plate attaches the motor to the first end of the upper base portion. The attachment plate extends outwardly from the motor for mounting the linear actuator. A proximity sensor is secured to the base upper position. A flag is secured to the drive rod coupler, wherein the flag moves directly with the drive rod. The flag includes a body and a calibration element projecting therefrom. The calibration element is positionally adjustable relative to the flag body. The calibration element is adapted to activate the proximity sensor when the linear drive is in a home position. The home position is adjustable upon adjustment of the calibration member. An actuation of the linear actuator drives the connecting member causing the lower base portion and upper base portion to pivot with respect to each other about the hinge, thereby changing an angle between the lower base portion and the upper base portion.

Traffic alert devices and methods of using the same are disclosed. A traffic alert device includes a housing having a first surface to face in a first direction toward a first area, and a directional motion sensor carried by the housing. The sensor monitors motion in a second area different than the first area, the second area being in a second direction angled relative to the first direction. The traffic alert device further includes a light emitter carried by the housing, the light emitter positioned to emit light that emanates from the first surface. The light emitter generates a visual signal in response to the sensor detecting an object in the second area approaching the sensor.

A steering device includes: a plurality of proximity sensors having different installation positions of electrodes on the steering wheel; and a grip determination device which determines the presence / absence of gripping of the steering wheel based on filter values Ch_R_f(n), Ch_L_f(n) of measurement values from the plurality of proximity sensors. The grip determination device includes: a capacitance threshold setter which sets a reference value Ch_0 relative to the electrostatic capacitance of the electrode; and a determiner which determines the presence / absence of gripping based on the difference between the measurement values Ch_R_d(n), Ch_L_d(n) and the reference value Ch_0. The capacitance threshold setter determines the necessity for correction of the reference value Ch_0 based on a degree of similarity in change trends of the filter values Ch_R_f(n), Ch_L_f(n) of the plurality of proximity sensors.

An induction-type foundation pit canopy system and a control method therefor. The induction-type foundation pit canopy system comprises a canopy frame (1) consisting of a plurality of upright columns (11) and cross beams (12). A plurality of canopy fabrics (2) are arranged in parallel on the canopy frame (1). Gathering devices (4) carrying proximity sensors (3) and used for gathering the canopy fabrics (2) are slidably arranged on the canopy fabrics (2). When adjacent canopy fabrics (2) are gathered by the gathering devices (4), openings used for supplying external materials to a foundation pit are formed. The system and the control method can automatically gather foundation pit canopy fabrics (2), and can automatically form openings for external materials to enter, thereby quickly and efficiently delivering the external materials.

The invention discloses a surgical site marking and verifying system based on multi-modal sensing and AI real-time checking, and belongs to the technical field of medical instrument management. The system comprises: a data acquisition module for acquiring a copy of preset surgical site data associated with a patient identity identifier; the intelligent marking pen comprises a pen point; the real-time checking module is used for checking whether a physical position of the pen point is consistent with a target area limited by preset surgical site data or not in real time when a proximity sensor detects that the pen point is located within a preset distance of the skin of a patient; the mark execution module is used for forming a physical mark in the target area under the condition that the verification result of the real-time verification module is consistent; and the multi-mode verification module is used for verifying the physical mark in the operation so as to confirm the consistency of the physical mark, the patient identity identifier and the preset operation site data. According to the invention, marking errors are avoided, and the problem that traditional marks are easy to erase is solved.

A mounting unit (10) for a radar proximity sensor (50) is provided, comprising a mounting body (20) with a through-opening (24) forming the signal exit area; a deformation element (30, 130) which can be inserted into the through-opening (24) in a form-fitting manner and is made of an elastic material in order to shield external forces acting on the radar proximity sensor (50) and to distribute the acting force over the entire surface of the radar proximity sensor (50) onto the fastening body (20), wherein the fastening body (10) has a resiliently elastic shape in order to convert the acting force into movement and deformation and to dampen it, wherein the fastening body (20) is connected to a fixed bearing in order to compensate for the force effect, wherein the fastening body (20) is designed to receive the radar proximity sensor (50), wherein the radar proximity sensor (50) can be mounted on the fastening body (20).

Provided are a display device and a method of driving the same that prevent an operation of an NIR proximity sensor from affecting luminance change, and the display device includes a display panel including a plurality of pixels, and a gate driver including first to fourth scan drivers and a light emission control signal driver, wherein each of the pixels includes a driving transistor configured to control a driving current of a light-emitting element, and a compensation transistor configured to compensate for a threshold voltage of the driving transistor, each of the pixels is sequentially driven in a first bias section, an initialization section, a sampling section, a second bias section, and a light emission section during one frame, and a first scan signal is output so that the compensation transistor is turned on before the sampling section.