38 results about "Proximity sensing" patented technology

A mobile phone may include an enclosure including a housing component and a front cover coupled to the housing component and defining a front exterior surface of the mobile phone. The mobile phone may further include a display positioned below the front cover and a sensor module positioned below a front-facing sensor region of the front cover and including a biometric sensing system. The biometric sensing system may include a first lens, a light emitter positioned below the first lens and configured to emit light onto an object, a second lens, and a light sensor below the second lens and configured to capture an image of the object. The sensor module may further include a proximity sensing system positioned between the first lens of the biometric sensing system and the second lens of the biometric sensing system.

The application belongs to the technical field of instruments and meters, and particularly relates to a transistor proximity sensor based on an interdigital electrode extended gate structure. The proximity sensor is composed of a voltage source, an ammeter, a transistor, interdigital electrodes and the like. The voltage source is used for supplying power to the transistor drain and the far gate end of the interdigital electrodes, and the near gate end of the interdigital electrodes is electrically connected with the transistor gate via a conductive lead. The working mechanism of the proximity sensor of the application relies on the synergistic enhancement effect among the electrostatic induction between the target object and the interdigital electrodes, the regulation effect of the target object on the interdigital electrode capacitance and the modulation effect of the target object on the voltage division of the near gate end of the interdigital electrodes. When the charged target object or the uncharged target object approaches the extended gate end of the interdigital electrodes, the transistor source-drain current can be changed, so that the proximity sensing function is realized.

An information handling system keyboard has plural adjacent keys of a number pad selectively extended to accept end user presses as inputs and selectively retracted to define a touchpad cursor input area. When the adjacent keys retract, a capacitive detection surface near the key cap upper surface detects finger touches with proximity sensing to receive finger touches as cursor inputs. The plural adjacent keys have ferromagnetic material, such as magnets, that retract the keys when a magnetic field is activated below the capacitive detection surface.

The application belongs to the technical field of electronic technology information sensing, and particularly relates to a proximity and contact signal identification method of a piezoelectric transistor dual-mode sensor. A piezoelectric capacitor is combined with a transistor to construct a piezoelectric transistor device to realize the integration of proximity sensing and contact sensing. However, the piezoelectric transistor cannot effectively distinguish the source of the sensing signal when working. The application proposes a dual-gate piezoelectric transistor proximity / contact dual-mode sensing device with an expanded gate structure, which is constructed by combining a dual-gate transistor with a piezoelectric capacitor. The piezoelectric capacitor serves as a sensing end of proximity and contact signals. The top electrode of the piezoelectric capacitor device is electrically connected with the gate electrode of the dual-gate transistor, and both are connected with the ground through a switching circuit. The other electrode of the piezoelectric capacitor device is connected with the other gate electrode of the transistor. Through the difference between the source-drain current signal response rules of proximity sensing and contact sensing in the periodic on / off process of the switching circuit, the effective distinction of the proximity sensing and contact sensing signals is realized.

An electronic device according to the present invention is an electronic device which is capable of performing eye proximity sensing to sense contact of an eye with an eyepiece and line of sight detection to detect a line of sight, including: an eye proximity sensing sensor configured to receive light for the eye proximity sensing; a line of sight detection sensor configured to receive light for the line of sight detection, the line of sight detection sensor being separate from the eye proximity sensing sensor; and one or more light sources including a light source used for both the eye proximity sensing and the line of sight detection.

A proximity sensor system on a marine vessel includes one or more proximity sensors configured to measure proximity of objects in a predefined area around the marine vessel and generate proximity measurements, and a memory storing a zone map, wherein the zone map divides the predefined area around the marine vessel into two or more zones. A control system is configured to receive the proximity measurements, divide the proximity measurements into zone sets based the zone map, identify a closest proximity measurement in each zone set, and generate a zone-filtered dataset containing only the closest proximity measurement in each zone set.

The invention relates to the technical field of robots, in particular to a flexible thermal sense robot electronic skin system capable of improving human-computer interaction comfort. The core of the method is that a closed-loop intelligent interaction framework is constructed, and the framework is materialized into a multi-layer flexible hardware system capable of being attached to the surface of a robot. The system comprises a multi-layer flexible composite structure and a controller, wherein the multi-layer flexible composite structure comprises a top encapsulation layer, a heat conduction layer, a non-contact proximity sensing layer, a distributed active heat management layer and a bottom encapsulation layer. According to the system, the skin of the robot can be intelligent, and the contact area is actively and accurately adjusted to the comfortable temperature before user contact is predicted, so that the mechanical ice-cold feeling of a traditional robot is eliminated, and warm, natural and seamless man-machine physical interaction is achieved.

The invention provides a multimode flexible sensor with pressure-proximity-magnetic field sensing and a preparation method thereof, and belongs to the technical field of flexible sensors. According to the application, the mold containing the inclined columnar hole array is prepared, the magnetic suspension is poured into the mold, then the first fabric is placed at the top of the mold, the magnetic inclined micro-column array can be integrated on the front surface of the first fabric after the magnetic suspension is cured, and after the first conductive layer is loaded on the back surface of the first fabric, the magnetic inclined micro-column array is integrated on the back surface of the first fabric. The integrated fabric electrode can be prepared; the integrated fabric electrode and the second fabric electrode are assembled in a butt joint mode, the magnetic inclined micro-column array serves as a dielectric layer, and the high-performance multi-mode flexible sensor which is high in sensitivity and fast in response is formed. The multi-mode flexible sensor can realize continuous and uninterrupted interaction, output signals of proximity sensing, pressure sensing and magnetic field sensing are not overlapped and are easy to distinguish, and the multi-mode flexible sensor has a good application prospect in the fields of medical health detection, human-computer interaction, electronic skin and the like.

The application discloses a three-dimensional proximity-contact multi-modal sensor for robot dexterous operation, which comprises, from bottom to top, a substrate layer, a circuit layer, a hollow elastic body, a magnetic electrode layer and a packaging layer arranged in sequence, the circuit layer is arranged on the substrate layer, a three-axis Hall sensor is arranged on the circuit layer, the hollow elastic body is arranged on the circuit layer, the magnetic electrode layer is attached to the hollow elastic body, and the packaging layer covers the surface of the magnetic electrode layer; the magnetic electrode layer comprises a plurality of magnetic electrodes which are independently arranged in an array, and the magnetic electrodes are coupled to each other to form a plurality of mutual-capacitance sensing units for proximity sensing; after the magnetic electrode layer is magnetized, a stable three-dimensional magnetic field distribution is formed in space, the hollow elastic body is used for elastic deformation when subjected to external load, and the magnetic electrode layer is driven to displace relative to the magnetic sensor on the circuit layer. The application realizes the synchronous integration of multi-directional proximity sensing and three-dimensional contact force sensing, and has the advantages of compact structure and high sensitivity.

The invention relates to the technical field of intelligent electric protector control, and discloses an electric toothbrush automatic start-stop control method based on oral cavity multi-sensor fusion and a toothbrush, the method comprises the following steps: collecting proximity sensing and ambient light illumination signals, and switching to an active detection mode when the signals accord with oral cavity darkroom characteristics; then the motor is controlled to generate micro-amplitude vibration, and the load damping characteristic quantity of the motor phase current and the optical-mechanical coupling coefficient obtained through demodulation by using the detection frequency are extracted; when it is judged that the load damping characteristic quantity and the optical-mechanical coupling coefficient both exceed a set threshold value, it is confirmed that effective contact is established between the brush head and oral soft tissue, and a motor is controlled to be started and enter a normal operation mode; and during operation, the ambient light change rate is monitored in real time, and the motor is controlled to stop when the shift-out action is recognized. According to the invention, through a multi-dimensional physical contact verification mechanism, false start splashing and invalid idling in a non-oral environment are effectively prevented.

Methods, apparatuses, and systems for wireless monitoring systems, wireless vital monitoring, and wireless proximity sensing are described.SOLUTION: A system includes a transmitter configured to transmit a first wireless signal over a wireless channel of a venue, a receiver configured to receive a second wireless signal over the wireless channel, and a processor. The second wireless signal comprises a reflection of the first wireless signal by at least one living being having at least one repetitive motion at the location. The processor is configured to obtain a time series (TSCI) of channel information of the wireless channel based on the second wireless signal, to generate, for each living being of the at least one living being, a vital signal representative of all repetitive movements of the living being based on the TSCI, to extract a heart rate signal from the vital signal of each living being, and to monitor heart rate variability based on the heart rate signal for each living being at the location.SELECTED DRAWING: Figure 1A

The application provides a hidden car door handle control system and method. The system comprises: a driving execution module for driving the car door handle to be initially opened; a proximity sensing module arranged on the car door handle for sensing whether an external object approaches the car door handle; and a control module receiving a sensing signal sent by the proximity sensing module and being in control connection with the driving execution module to control the driving execution module to drive the car door handle to be initially opened and to drive the car door handle to be opened again on the basis of the initial opening according to the sensing signal, the opening degree of the second opening of the car door handle being greater than that of the initial opening. The hidden car door handle control system can meet the requirements of the national standard GB 11566-2009 for the external protrusions of passenger cars when the car door handle is initially opened, and can solve the problem that the opening degree of the car door handle is too small to easily pinch the hand or the problem that the car door handle cannot be held by stretching the hand to open the door by opening the car door handle again, thereby meeting the man-machine requirements.

The invention discloses a three-dimensional proximity-contact multi-mode sensor for flexible operation of a robot, which comprises a substrate layer, a circuit layer, a hollow elastomer, a magnetic electrode layer and a packaging layer which are sequentially stacked from bottom to top, the circuit layer is arranged on the substrate layer, a three-axis Hall sensor is arranged on the circuit layer, the hollow elastomer is arranged on the circuit layer, and the magnetic electrode layer is arranged on the packaging layer. The magnetic electrode layer is attached to the hollow elastomer, and the packaging layer covers the surface of the magnetic electrode layer; the magnetic electrode layer comprises a plurality of magnetic electrodes which are mutually independent and distributed in an array, and the magnetic electrodes are mutually coupled to form a plurality of mutual capacitance sensing units for proximity sensing; the magnetic electrode layer forms stable three-dimensional magnetic field distribution in the space after being magnetized, and the hollow elastomer is used for generating elastic deformation when being subjected to an external load and driving the magnetic electrode layer to displace relative to the magnetic sensor on the circuit layer. Synchronous integration of multi-direction proximity sensing and three-dimensional contact force sensing is achieved, and the sensor has the advantages of being compact in structure and high in sensitivity.

The invention discloses a multi-mode flexible touch finger for intelligent operation of an electric power inspection robot, which comprises a base, the top of the base is provided with a top proximity sense sensing module and a top pressure sensing module, and the base is internally provided with a front side pressure sensing module and an internal tangential force sensing module; the top pressure sensing module is a single-row pressure sensing array and comprises n resistive flexible pressure sensors; the top proximity sense sensing module is a single-row proximity sense sensing array and is laid on the upper surface of the top pressure sensing module; the front side pressure sensing module is an m * n pressure sensing array and comprises m * n resistive flexible pressure sensors; the internal tangential force sensing module comprises four resistance-type flexible pressure sensors forming a full-bridge structure, and the four resistance-type flexible pressure sensors are distributed in the peripheral side direction of the front side pressure sensing module. The flexible touch finger has the advantages that the flexible touch finger with multi-mode sensing capabilities such as proximity sense sensing capability, high-resolution array pressure sensing capability and tangential force sensing capability is provided for a robot.

There may be provided a method for proximity sensing by a computerized device, the method may include transmitting, by at least one transmitter of a computerized device and during at least one transmission window, one or more transmitted signals, the one or more transmitted signals comprise a transmitted ultrasonic signal; operating at least one receiver of the computerized device to receive, during at least one reception window, one or more received signals that were reflected or scattered due to the transmitting; processing the received signals to provide a processing result, when receiving the received signals by the receiver during the at least one reception window; and determining a proximity of one or more objects to the computerized device based on at least one out of (a) an absence of received signals during the at least one receive window, and (b) the processing results.

A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-reflective (PTPR) optical element, whereby the light emitted from the light source is reflected by the PTPR optical element, while the light reflected by the object passes through the PTPR optical element. There is only one window required.

A robot system for human-robot collaboration is disclosed that includes one or more proximity sensing elements disposed on the movable parts of the robot, joint position sensing sensors, and a safety control module connects the proximity sensing element and joint position sensing sensors and monitors the speed of the robot and the proximity distance to the objects and stop the robot safely when speed exceed the set limit. The safety control module switches the safety status of the robot when a set proximity distance threshold is triggered. Then, multiple embodiments of the safety status triggered by proximity sensing are introduced for different processes of the human-robot collaboration, includes separation monitoring, force limiting for bumping, and manipulation of the robot. Furthermore, embodiments of utilizing different types of sensors to implement the proximity sensing elements are also disclosed.

According to the control method for the household appliance and the household appliance, proximity induction type keys of the household appliance are combined according to a set structure, and in each key combination, all the single proximity induction type keys keep the single trigger function of the single proximity induction type keys; and the control function can be adaptively changed based on different operations of the user: when the user independently triggers the key, the single-trigger function of the key is executed, and when the user performs gesture control, one set key combination is configured into one gesture key, and the gesture control function is executed. Based on the design of the invention, the household appliance can reduce the number of keys on the basis of the existing key design number, or when the household appliance is newly added with a function, the function control can be realized without adding a new control key, the design complexity is reduced, the manufacturing cost is reduced, and the user experience is improved at the same time.

This invention provides a multi-dimensional data acquisition method and system for smart safety helmets based on visual recognition, belonging to the field of image recognition technology. Specifically, it includes: when not among the personnel being screened, determining the image recognition method for the safety risk area based on the distance data between personnel in the safety risk area; performing image recognition processing on the safety helmet in the safety risk area using the image recognition method and proximity sensing data; and using the change data of the image recognition target in the safety risk area and the proximity sensing data in the safety risk area for screening personnel to determine whether optimization processing of the image recognition method for the safety risk area is needed, thereby improving the efficiency and targeting of image recognition analysis and processing.

An information handling system keyboard has optical sensors disposed under transparent windows of plural adjacent keys to sense gestures performed above the keyboard. A capacitive touch detection surface under the plural keys detects by proximity sensing finger touches at the keys. A user interface presents the gesture input value and the finger touch values to an end user, such as by highlighting keys on a keyboard visual image.

A system comprises a dongle and a diagnostic tool. The dongle includes a vehicle communication transceiver (VCT), a first wireless transceiver, and a vehicle connector. The diagnostic tool includes a processor, a proximity sensing component, an output device, and a second wireless transceiver. The proximity sensing component outputs an output signal. The processor receives the output signal and make a determination that indicates whether the output signal indicates an object is in spatial proximity to the proximity sensing component. The processor outputs using the output device a notification based on the determination. The VCT performs a vehicle communication directly with a vehicle while the vehicle connector is connected to an on-board diagnostic connector (OBDC) of the vehicle. The first and second wireless transceivers communicates with each other to trigger a vehicle communication from the dongle to the vehicle while the vehicle connector is connected to the OBDC.

The invention discloses a vehicle braking system and a metal proximity induction switch circuit thereof. The circuit comprises an oscillation circuit, an amplitude detection trigger circuit and a delay output circuit which are connected in sequence. The oscillating circuit adopts a double-transistor and LLC resonant circuit structure, a collector electrode of a second amplifying transistor is suspended, and the oscillation amplitude is attenuated along with approaching of an external metal object. The amplitude detection trigger circuit adopts a PNP-NPN positive feedback structure and converts amplitude change into steep level switching. And the delay output circuit has a power-on delay function, so that false triggering is prevented. The circuit is also provided with a multi-stage isolation power supply network and output protection. According to the invention, non-contact and wear-free detection of the position of the brake pedal is realized, the system has the advantages of strong anti-interference capability, high reliability, low cost and capability of being specially used in a vehicle-mounted environment, and the service life and the performance of the brake lamp control system are remarkably improved.

A system to system to contextualize proximity sensing around vehicles to reduce alarm fatigue for a driver of a vehicle is disclosed. The system may provide different degrees of warning for potential impacts with objects, most specifically centered around if an impact is in fact possible and has some level of severity. If no impact is possible or likely, then a general notice or alert of proximity may be acceptable, but can be handled in a more gentle or unobtrusive way so as not to cause confusion for a driver.

illustrative vehicles, systems, and methods adapt ultrasonic sensing arrays for close-range communication with, e.g., smart devices, parking infrastructure, and other vehicles. As one example, an illustrative vehicle includes: one or more ultrasonic sensors configured for proximity sensing; and a controller configured to use the one or more ultrasonic sensors to receive an acoustic signal from a smart device by: detecting a trigger; generating with the one or more ultrasonic transducers an acoustic signal representing a beacon; upon receiving an acoustic signal representing a connection request, using the one or more ultrasonic transducers to send an acoustic signal representing a response to the connection request; and upon receiving an acoustic signal representing a command to the vehicle, executing the command and using the one or more ultrasonic transducers to send an acoustic response message acknowledging the command and communicating a result.

This application provides a safety control method for robots, a robot, and a readable storage medium, relating to the field of robot control technology. The robot includes electronic skin, which comprises a proximity sensing layer and a contact sensing layer. The proximity sensing layer includes an ultrasonic transducer array, which includes multiple transducer units. The method includes: sequentially controlling corresponding transducer units to emit ultrasonic pulses towards an obstacle and receiving echo signals reflected from the obstacle (multiple transducer units emitting ultrasonic pulses and receiving echo signals simultaneously are not adjacent). Based on the ultrasonic pulses and echo signals, the distance and approach speed between the obstacle and the robot are determined. Based on the feedback signal generated by the contact sensing layer in response to the contact between the obstacle and the robot, the contact force and its rate of change between the obstacle and the robot are determined. The robot's operation is controlled based on these two pieces of information. This solution addresses the problem of potential personal injury during human-robot collaboration.

This invention belongs to the field of structural health monitoring technology and discloses a spatial proximity sensing method and system for identifying and associating duct stent damage. The invention constructs a physical proximity graph, transforming topological proximity relationships into numerical constraints; extracts bi-branch features from vibration signals and introduces relative position sensing self-attention; constructs category prototypes in a low-dimensional space, calculates logical values ​​based on cosine distance and radius, enhances open set identification using feature mixing and energy scoring, and introduces proximity constraints to maintain feature space continuity; employs threshold discrimination for known / unknown cases; uses linear Warmup and cosine annealing for joint optimization; and for unknown samples, re-ranks them based on similarity and proximity weights, associating them with adjacent reference regions. This invention uses a threshold discrimination strategy, setting differentiated rejection boundaries for different damage categories to avoid over-rejection or mis-acceptance caused by a uniform threshold, thus improving the ability to reject unknown damage and the overall diagnostic reliability.

The present disclosure relates to conditional cell change for emission mitigation. The present application relates to apparatuses and components, including apparatuses, systems, and methods for early conditional handover based on body proximity sensing or maximum permissible exposure limits in wireless networks.

A method of conducting a currency transfer, the method comprising: receiving, at a first electronic device, a user input initiating a direction of currency transfer responsive to the first electronic device disposed in proximity of a second electronic device; displaying, on a display of the first electronic device, at least one image representing a selected transaction account; wherein a memory of the first electronic device comprises user-specific information and a selected transaction account funded amount; receiving, at the first electronic device, a user input of a transferred currency amount for transfer to the second electronic device, wherein the transferred currency amount is at least a portion of the selected transaction account funded amount; receiving, at the first electronic device, an authorized user confirmation of a currency transfer using the selected transaction account; detecting, by a proximity sensing of the first electronic device, that the first electronic device is within a predetermined proximity of the second electronic device; in response to detecting that the first electronic device is within a predetermined proximity of the second electronic device, generating, by a processor of the first electronic device, a limited-use currency transfer information based on the user-specific information and the selected transaction account funded amount; transmitting, by a wireless communications interface of the first electronic device, the limited-use currency transfer information from the first electronic device to the second electronic device; and effecting a transfer of currency between a transaction account of a user of the first electronic device and the second electronic device user, wherein the currency is selected from the group comprising of: funds, digital-currency, cryptocurrency, debt, and credit.

The high-altitude operation safety belt compliance use monitoring device comprises a safety rope hook detection unit and a surrounding rod belt hook detection unit, when a hook is not hooked or accidentally falls off, a normally open contact of a magnetic control sensor is closed, a signal is sent to a controller through a 2.4 G communication module, and the controller is connected with the safety rope hook detection unit and the surrounding rod belt hook detection unit. And the controller gives an alarm after receiving the signal. And a low-hanging detection unit, a buffer bag detection unit and a near-electricity induction unit are further arranged. Compared with the prior art, the structure has the advantages that on the premise that the original structure and function are not influenced, the hanging state of the hooks on the safety rope and the pole surrounding belt can be accurately detected, whether the non-standard use behavior of low hanging is carried out or not can be detected, whether a high-voltage electric field exists around or not and whether a buffer bag is scattered or not can also be detected, and the safety of the safety rope and the pole surrounding belt is ensured. The safety accident rate of climbing operation is effectively reduced, and reliable life safety guarantee is provided for operators.

A vehicle collision warning system integral with or otherwise affixed or mounted to a first vehicle that includes a proximity sensor to detect an approaching vehicle within a predetermined safety zone and emits a warning signal to the driver of the approaching vehicle. Exemplary embodiments to not also warn the driver of the first vehicle when the approaching vehicle is detected within the safety zone of the first vehicle.