87 results about "Proximity sensing" patented technology

The invention provides a data access control method and system based on zero-knowledge proof, and relates to the technical field of data access control. According to the method, a root key of a unique hardware identity is generated through a physical unclonable function of a data request equipment chip, and meanwhile, real-time running state data of equipment is collected; the two are subjected to cryptographic binding to form an equipment credible state voucher; secondly, detecting capacitance field disturbance when data holding equipment approaches through a capacitive proximity sensor array, and generating an interactive response mode; then, the equipment credible state certificate and the interactive response mode serve as private input to generate a composite zero-knowledge proof, and identity authenticity and physical proximity are proved to data holding equipment at the same time on the premise that sensitive information is not leaked; and after the data holding device passes verification, the data access permission is authorized immediately, and a temporary encryption communication channel is established, so that the reliability and instantaneity of security authentication between IoT devices can be improved.

The bobbin yarn taking and placing device comprises a bobbin replacing conveying line, the two ends of the bobbin replacing conveying line communicate with a bobbin conveying line between the automatic winder and a spinning frame, and a bobbin taking mechanism and a bobbin placing mechanism are arranged on the side face of the bobbin replacing conveying line; proximity sensing devices are arranged below the bobbin taking mechanism and the bobbin placing mechanism to sense the positions of bobbins, and the bobbin taking mechanism drives a bobbin clamping jaw to take the bobbins through a translation mechanism and a lifting mechanism; a pipe guiding groove is formed below a stock bin of the pipe discharging mechanism, and bobbins are discharged one by one and overturned to be in a vertical state through the material pushing and overturning mechanism. The device realizes automatic taking-out of bobbins containing residual yarns and automatic putting-in of empty bobbins, improves the production efficiency, reduces the labor cost, and is suitable for modern textile production.

The invention relates to the technical field of robots, and provides a robot and a safety control method, device and equipment thereof, a storage medium and a product, the robot comprises electronic skin, the electronic skin comprises a first detection unit and a second detection unit, and the method comprises the following steps: responding to an obstacle approaching the robot, and detecting the approaching speed of the obstacle through the first detection unit; in response to the approaching speed being greater than or equal to a preset speed threshold value, controlling the robot to perform obstacle avoidance path planning and / or speed reduction; detecting a contact force and a contact moment of the obstacle through a second detection unit in response to the obstacle contacting the robot; and determining safety braking parameters of the robot based on the approaching speed, the contact force and the contact moment. Safety speed monitoring based on proximity detection and power and force limitation based on contact detection in man-machine cooperation can be achieved at the same time, a dual protection mechanism of proximity sensing and contact sensing of the robot is achieved, and safety is further improved.

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 invention relates to a proximity sensing control method and device, electronic equipment, a medium and a program product, and the method comprises the steps: obtaining the target attitude information of a terminal when a second proximity sensing value is sampled under the condition that the first proximity sensing value is greater than a proximity sensing threshold and the second proximity sensing value is greater than a far-away sensing threshold; if it is determined that the terminal is currently in a far-away state according to the target attitude information, obtaining a current bottom noise value of the proximity sensor, and updating a far-away sensing threshold and a proximity sensing threshold according to the current bottom noise value; according to the embodiment of the invention, under the condition that the first proximity induction value is greater than the proximity induction threshold, if the second proximity induction value is greater than the far-away induction threshold, but the terminal is currently in the far-away state, the far-away induction threshold and the proximity induction threshold are updated in time, so that the reliability of the proximity induction function of the terminal can be effectively improved.

The utility model provides a kind of Bernoulli arm, including intermediate arm, C type support arm, multiple jet air holes, sensing component and a pair of pressure sensors, wherein, C type support arm includes the middle part being connected with intermediate arm and two branch parts extending in the direction away from intermediate arm, multiple jet air holes are interval arranged in the bottom surface of branch part, and at least one support block fixed in the bottom surface of branch part is provided between every two jet air holes;Sensing component includes first proximity sensing sensor and second proximity sensing sensor, first proximity sensing sensor is fixed in the bottom surface of middle part, second proximity sensing sensor is fixed in the bottom surface of the end of branch part away from intermediate arm, a pair of pressure sensors are respectively arranged in the end of two branch parts away from intermediate arm and interval preset distance between jet air hole, and the distance between every pressure sensor and intermediate arm is greater than half of branch length.The Bernoulli arm of the utility model can find the adsorption anomaly of wafer in time, to avoid wafer drop and breakage.

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.

This disclosure describes a method and apparatus for determining whether an object is near an electronic device. When the object is not near the electronic device, the arrangement of two sensors at different distances from a light emitter results in a higher intensity of reflected signal received in the sensor closer to the light emitter and a lower intensity of reflected signal received in the sensor farther from the light emitter. The system uses this difference in reflected signals to calculate the ratio between the signals reflected to the two sensors and uses this ratio to determine whether the object is near the electronic device.

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.

This invention discloses a multimodal, reconfigurable, and scalable interactive flexible electronic skin. The flexible electronic skin proposed in this invention includes a flexible sensing array, a light-emitting interaction unit, a data reading and processing unit, and an array reconstruction unit. The flexible sensing array is connected to the data reading and processing unit and a microcontroller unit. The microcontroller unit is connected to the light-emitting interaction unit, the flexible electronic skin expansion interface, a bus communication unit, and the flexible electronic skin data output interface. Adjacent skin structure units are connected through the flexible electronic skin expansion interface. The microcontroller unit controls the data reading and processing unit to achieve switching and reconstruction of the sensing modes of the flexible sensing array. The flexible electronic skin of this invention features multimodal proximity sensing, intuitive visualization of detection results, and reconfigurable and scalable functions, which is beneficial for achieving large-area coverage on the robot body, ensuring the safety of the human-computer interaction process, and improving the smoothness of the human-computer interaction process.

Methods and apparatus are provided to control a body proximity sensing operation. An apparatus for a wireless communication device, the apparatus may include an interface to a radio frequency (RF) transceiver, and processing circuitry configured to: monitor one or more transmit power limitation parameters used to limit transmit power of transmissions of RF communication signals, and cause, based on a first transmit power limit including a monitored transmit power limitation parameter and a second transmit power limit, the RF transceiver to perform a body proximity sensing operation.

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.

The invention relates to a control method of beverage equipment. The beverage equipment comprises an outlet part, a driving device, a sensing system and a controller. The driving device is used for driving the outlet part and / or the container to move so as to approach. The sensing system includes a first sensor for sensing whether the outlet portion is in contact with the container and a second sensor for contactlessly sensing whether the outlet portion reaches an approaching position relative to the container. The controller is used for executing the control method. The control method comprises the following steps: acquiring associated information; determining a sensing strategy according to the associated information, namely determining a cooperation mode of the sensor; and in the process that the outlet part is close to the container, obtaining a first sensing result according to the sensing strategy, and controlling the driving device according to the first sensing result, so that the outlet part reaches the target position relative to the container. The associated information is related to the credibility of the sensing result of the second sensor on the container, so that the sensing accuracy of the sensors on the relative position of the outlet part and the container can be improved by determining the sensing strategy.

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.

An embodiment of the present invention relates to an electronic device and a proximity sensing method thereof, and more particularly, to an electronic device capable of improving the occurrence of flicker in a display panel at the time of proximity sensing and capable of improving a signal-to-noise ratio (SNR), and a proximity sensing method thereof. The electronic device of the present invention includes: a sensor including a plurality of driving electrodes and a plurality of receiving electrodes arranged so as to intersect the plurality of driving electrodes; and a control section configured to simultaneously drive the plurality of driving electrodes within a predetermined period of time for proximity sensing on a touch screen, and detect whether an object approaches on the touch screen based on sensing signals from the plurality of receiving electrodes, the control unit is configured such that a positive (+) drive signal is applied to some of the plurality of drive electrodes, and a negative (-) drive signal is applied to the remaining drive electrodes.

The present invention discloses an electronic device. The electronic device includes a connector and a sensing control unit. The connector includes a metal mask and at least one terminal. The sensing control unit is electrically connected to the metal mask and the at least one terminal. The sensing control unit is suitable for sensing whether the connector is connected to an external device, and includes a proximity sensing circuit connected to the metal mask. When the connector is connected to the external device, the sensing control unit enables the metal mask to be grounded. When the connector is not connected to the external device, the sensing control unit enables the metal mask to be floated, and the floated metal mask is suitable as a sensing electrode of the proximity sensing circuit.

A proximity sensing autonomous robotic system and apparatus is provided. The robot has one or more vision modules for viewing the environment for depth perception, object detection, object avoidance, and temperature detection of objects. A proximity sensing skin is layered over one or more parts of the robot. The proximity sensing skin has multiple proximity and mechanical stress sensors for collision avoidance, speed control, and slowing down of motion near detected objects, as well as recognition of contact. The proximity sensing skin can have conductive pads for contacting various materials in the composite parts to inhibit galvanic corrosion. The robot has an end effector, and various tools can be attached to the end effector to perform various tasks. The end effector has a mounting interface with connections for supplying power and for hydraulic / pneumatic control of the tools. All wiring to the sensors and vision modules is routed inside the robot.

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 utility model discloses a wearable device integrating near electricity induction and poison gas detection, which relates to the technical field of wearable devices and comprises an interphone module, a near electricity alarm module, a lighting module, a positioning module, an information offline storage module, a gas monitoring module and a networking module which are in communication connection with a single chip microcomputer. According to the utility model, near electric induction and poison gas detection are integrated, so that the safety of a wearer can be guaranteed to the greatest extent, and the safety is higher.

The invention relates to the technical field of visual perception, discloses a biologically inspired collision detection system and robot for atopic impending perception recognition, and constructs a brand-new collision detection model for atopic impending perception recognition. According to the technical scheme, through a six-layer structure (P-> E / I-> A-> S-> G-> LGMD), exponential attenuation, nonlinear modulation and a spatial clustering mechanism are combined, and accurate distinguishing and real-time collision early warning functions of approaching and leaving motion states are jointly achieved from the three aspects of structure, function and biological simulation; the method has the advantages of high direction selectivity, high robustness and low power consumption calculation efficiency, and is particularly suitable for rapid motion sensing tasks in embedded robots and low-calculation-power visual platforms.

Systems, methods, and devices are provided in which photodetectors disposed throughout a display are used to control the display brightness. The photodetectors are to be used for ambient light sensing, proximity sensing, or to compensate for aging OLEDs. In some embodiments, photodiodes are fabricated with OLEDs during the TFT fabrication process. In some embodiments, the photodetectors may be disposed throughout the display in zones containing OLEDs. The photodetectors are used to control the display brightness and color for the OLEDs in areas around each photodetector based on ambient light, aging, and / or nearby objects. A controller makes driving strength adjustments to the OLEDs in each zone independent of other zones. Photodetectors disposed throughout the display may improve proximity sensing and provide additional functionality to the device.

To provide a device, system, and method for specifying the location of a target based on a type of a target area, such as skin color, the color of tattoo ink, etc.SOLUTION: An image sensing system generates and stores target data and communicates it to an adjustment engine. The adjustment engine further focuses radiations from a laser system to the target. The present invention further discloses a proximity sensing engine which is configured to enable controlling of the radiations from the laser system. This enables efficient use of the radiation energy and reduces the potential damage to the area near the target.SELECTED DRAWING: Figure 1

Embodiments of the present application provide a baseline update method, a proximity sensor device, and an electronic device, relating to the field of proximity sensors. The method comprises: obtaining a sampled value; when no preset baseline value exists, obtaining a target baseline value; when a preset baseline value exists, using the preset baseline as the target baseline value, and updating the target baseline value if the sampled value is within a preset value range. The method provided by the embodiments of the present application helps the proximity sensor device maintain the same sensitivity in different environments, thereby reducing the impact of the environment on the sensor device and, in turn, reducing misjudgments.

The application discloses a temperature-pressure self-decoupling flexible sensor based on microstructure ionic materials. The sensor is composed of a top layer structure, a microstructure layer and a substrate layer arranged in sequence from top to bottom, the upper surface of an ionic gel array in the top layer structure is in contact with a flexible electrode array, the lower surface of the ionic gel array in the microstructure layer is in contact with a microstructure ionic gel thin layer, the microstructure ionic gel thin layer and a conductive metal thin layer are arranged in sequence from top to bottom, the conductive metal thin layer is electrically connected with a signal output interface, the flexible electrode array, the ionic gel array, the microstructure ionic gel thin layer and the conductive metal thin layer constitute a capacitive pressure sensor, and the flexible electrode array, the ionic gel array and the microstructure ionic gel thin layer constitute a resistance temperature sensor. The multi-mode flexible sensor disclosed by the application can simultaneously detect three sensing modes of temperature, pressure and proximity, the temperature and proximity sensing modes are realized through part of the structure in the pressure sensing mode, the integrated degree is high, and the space is compact.

The invention provides an ionic gel, a multi-mode tactile sensor and a preparation method of the multi-mode tactile sensor, an electric field is pre-applied to an ionic gel layer, and when the electric field change caused by the approaching of a charged object is detected, the perception of proximity sense is realized; wherein the ionic gel is obtained by dissolving a monomer, an ionic salt, a cross-linking agent and an initiator in a solvent to prepare a precursor solution, and pouring the precursor solution into a mold for curing. An electric field is pre-applied to the ionic gel layer formed by the ionic gel, the change of the electric field caused by electrostatic induction when a charged object approaches can be detected, the perception of proximity sense is realized, the sensing functions of proximity sense, visual touch sense and material recognition are realized through a heterogeneous integrated architecture by applying the ionic gel layer to the multi-mode touch sensor, and the sensing effect of the multi-mode touch sensor is improved. The mechanisms of the three modal signals are different and do not interfere with each other, so that decoupling of the signals is facilitated, and the sensing robustness of the sensor in a dynamic environment is improved.

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 application provides a data access control method and system based on zero-knowledge proof, and relates to the technical field of data access control. The root key of the unique hardware identity is generated through the physically unclonable function of the data request device chip, and the real-time running state data of the device is collected at the same time. The two are bound by cryptography to form a device trusted state certificate. Secondly, the capacitive proximity sensing array detects the capacitive field disturbance when the data holding device is close, and generates an interaction response mode. Then, the device trusted state certificate and the interaction response mode are used as private inputs to generate a composite zero-knowledge proof, which proves the identity authenticity and physical proximity to the data holding device without revealing sensitive information. After the data holding device is verified, the data access permission is authorized immediately, a temporary encrypted communication channel is established, and the reliability and immediacy of the security authentication between IoT devices can be improved.

The invention discloses an AI intelligent metal material classification proximity sensing device and method.The device comprises a power module, a sensing module, a central controller, a communication module, a display module and a storage module.Metal proximity sensing detection is conducted through an LC high-frequency oscillation circuit, and metal material category judgment is achieved through AI intelligent fusion classification; an application environment simulation platform is built, an LC signal self-adaptive calibration mechanism is established to carry out anti-interference compensation, metal material classification requirements in a dynamic industrial environment are met, the application performance of the device is ensured, data transmission is carried out through multiple types of external communication circuits, and the data transmission efficiency is improved. And a liquid crystal screen is used for visual display management, so that man-machine interaction of metal material detection data is realized, the category of the metal material can be quickly identified in a short-distance range, the classification requirement of the novel metal material is dynamically met, and the classification precision and efficiency are remarkably improved.