35 results about "Proximity detection" patented technology

Methods and systems for close detection are provided. An input device has an opened state and a closed state. The input device includes a first portion comprising a touch sensor having a sensing area. The touch sensor includes a plurality of transmitter electrodes and a plurality of receiver electrodes. The input device also has a second portion comprising a plurality of features. A sensor circuit is configured to drive the plurality of transmitter electrodes with sensing signals and receive resulting signals from the plurality of receiver electrodes. A processing system is configured to generate an acquired image from at least a portion of the sensing area; compare the acquired image to a reference image, wherein the reference image includes data corresponding to the plurality of features; and determine whether the input device is in the closed state based on the comparison of the acquired image to the reference image.

The present invention discloses an underwater communication device for use by divers, comprising: at least one permanent magnet positioned at an edge of said device and configured to generate a magnetic field; at least one magnetic sensor with proximity detection functionality positioned at an edge of said device and configured to detect said magnetic field when a second underwater communication device is brought into proximity; a pairing module configured to: receive a proximity indication from said magnetic sensor when said magnetic field is detected, initiate a communication pairing session in response to said proximity indication, and establish a shared connection with said second underwater communication device, wherein the shared communication link enables subsequent underwater communication between the devices later when the devices are no longer in proximity identified by said magnetic field;

The present invention is a cylindrical grinding apparatus including a first and second detecting means for detecting proximity between one end and another end of a crystal rod and a main shaft and a subordinate shaft in a non-contact manner and a drive mechanism that can adjust moving speed of a second support unit on the subordinate shaft, wherein, in support with contact between the one end of the crystal rod and the subordinate shaft, moving speed B of the second support unit in time from proximity detection between the one end and the subordinate shaft by the second detecting means to the support with contact is adjusted to be slower than moving speed A until the proximity detection; and in support with contact between the another end of the crystal rod and the main shaft, moving speed D in time from proximity detection between the another end and the main shaft by the first detecting means to the support with contact is adjusted to be slower than moving speed C until the proximity detection. This can provide a cylindrical grinding apparatus that can prevent occurrence of damage in an end portion of a crystal rod and mechanical misalignment of a support unit, reduce process time, and reduce necessity of maintenance of parts to detect positional relationships between the crystal rod and the main shaft etc.

This application discloses an electronic device, a near-field communication control method, and an apparatus, belonging to the field of near-field communication technology. The electronic device includes: an audio power amplifier; a near-field communication module for interacting with an external near-field communication device; an object proximity detection sensor connected to the near-field communication module, used to detect the proximity status of the near-field communication device and report a moving-away or moving-closer status; and a main control module connected to the audio power amplifier, the near-field communication module, and the object proximity detection sensor, used to control the operating parameters of the near-field communication module based on the operating status of the audio power amplifier and the proximity status reported by the object proximity detection sensor.

Disclosed herein is an information processing device including a contact detection unit configured to detect a contact operation for an operation surface, an approach detection unit configured to detect an approach operation for the operation surface, and a control unit configured to recognize the contact operation and the approach operation as a series of operation inputs when the contact operation and the approach operation are continuously detected.

A starting system of a work machine includes a control section that controls the work machine, a proximity detection section that detects that a specific operator is in proximity to the work machine, and a starting section that starts at least a part of the control section when it is detected that the specific operator is in proximity to the work machine.

The present invention relates to an apparatus and method for controlling an on-board charger for an electric vehicle. An on-board charger and a control method thereof are provided. The on-board charger includes a control pilot (CP) reception module that detects a CP signal, a proximity detection (PD) reception module that detects a PD signal, and a processor configured to repeatedly execute a low power operation mode and a low power stop mode for a predetermined period of time in a standby state for a reservation charge and a completion state of the reservation charge, the low power operation mode supplies a voltage to the CP reception module and the PD reception module, and the low power stop mode blocks the supply of the voltage to the CP reception module and the PD reception module.

To provide an approach detection apparatus, a display unit, and an information processing system configured to detect an object to be detected that is close to a display surface of a display equipped with a movable mechanism while preventing an other device or the object from being detected for an operation on the other device.SOLUTION: An approach detection apparatus for detecting an object approaching a display surface of a display 2 is configured to arrange a plurality of infrared LEDs and a plurality of photodiodes under the display surface in a lateral direction, and detect a position of an object to be detected within a detection range 10 on the basis of intensity of reflected light of infrared light emitted by the infrared LEDs, detected by the photodiodes. When a lateral angle of the display surface is changed, irradiation intensities of the infrared LEDs are changed so that the detection range 10 may be a range obtained by excluding a range where an other device or an operation of a driver on the other device is to be included in the lateral angle, from a standard detection range 10.SELECTED DRAWING: Figure 8

A portable catwalk sensing device includes a proximity detector configured to detect a proximity of a conveyor portion of a catwalk tubular transport machine, a tubular carried by the catwalk tubular transport machine, or both, to a predetermined location relative to the rig floor. The device also includes a module having a processor, and configured to communicate with the proximity detector and receive data representing proximity of the catwalk tubular transport machine, the tubular, or both from the proximity detector, a rig floor, or a combination thereof. The module includes a housing and is configured to be portable. The device also includes an alarm coupled to or integral with the module. The alarm is configured to communicate with the processor, such that the processor is configured to cause the alarm to provide an indication to a user of the proximity of the catwalk tubular transport machine, the tubular, or both.

A request is processed by a control device based on a detected proximity of a client device to the control device. The control device, which is intermediate to the client device and a beacon device, runs application software that receives the request generated using a client application running at the client device. The beacon device, upon receipt of an indication that the control device received the request, transmits a signal to detect a proximity of the client device to the control device. The application software receives data indicative of a response to the signal from the beacon device. The application software allows the request upon a determination that the data reflects the response is received. Alternatively, the application software allows the request upon a determination that the data indicates that the proximity of the client device to the control device satisfies a threshold.

A charging and discharging control apparatus for a vehicle is provided. The apparatus for a vehicle includes a processor that controls charging and discharging of electric energy of the vehicle and a storage that stores data and algorithms driven by the processor. The processor senses a voltage of a proximity detection signal line to determine whether a discharging connector for supplying a voltage to an outside of the vehicle or a charging connector for supplying a voltage to an inside of the vehicle is connected to an inlet of the vehicle, and determines whether a discharging start command is applied by sensing a voltage of a control pilot signal line when the discharging connector is connected.

Method for account-specific discovery by a discoverer device pre-provided with (i) a first encryption seed, (ii) a second encryption seed, (iii) a doubly encrypted metadata encryption key (MEK) and (iv) encrypted metadata relating to an account configured on an advertiser device.The discoverer device (a) detects a broadcast advertising message carrying an encrypted device encryption key (DEK) associated with the advertiser device, (b) uses the first encryption seed to decrypt the encrypted DEK and thereby reveal the DEK, (c) maps the first encryption seed to the second encryption seed, the doubly encrypted MEK, and the encrypted metadata, and (d) accordingly uses (i) the DEK and the second encryption seed cooperatively as a basis for decrypting the doubly encrypted MEK and thus revealing the MEK, and (ii) uses the revealed MEK as a basis for decrypting the encrypted metadata and thus revealing the metadata relating to the account configured on the advertiser device.

A vehicle control apparatus includes: an approach detection section; a determination section; and an openable and closeable object operation control section. The approach detection section detects a person within a first detection range and a second detection range. The determination section determines whether or not a motion of a person detected by the approach detection section corresponds to an approach pattern in which the openable and closeable object is approached. The openable and closeable object operation control section brings an openable and closeable object operation unit into operation when the determination section determines that the motion corresponds to the approach pattern. When a person who is not detected within the first detection range is detected within the second detection range, the determination section determines that the motion of the person corresponds to the approach pattern.

A portable information handling system includes a touch function row between a keyboard and a display that accepts touches or proximity detection at plural locations to initiate an on-screen-display user interface for a selected of plural functions based upon a touch location. The touch and / or proximity locations may be identified with illumination points and unlabeled as to an associated function since the function associated with a touch and / or proximity location is presented at the display. Alternatively, a flexible display extended from a housing lid portion over a hinge and a part of a housing main portion presents function key images at the touch function row. The on-screen-display user interface presents different control interfaces when touches include multiple fingers and drag versus non-drag inputs.

A system and method for projecting a dielectric sensor including a first conductive path with a first conductive mesh, a second conductive path with a second conductive mesh, and a dielectric gap therebetween. The dielectric gap acts as an open circuit in a resting state, providing a wider detection range compared to traditional sensors. The sensor includes a power driver connected to the first conductive path and a collector connected to the second conductive path. The first and second conductive meshes include sheets positioned longitudinally side-by-side, improving sensitivity and simplifying manufacturing. In one example, the sheets are spaced apart by at least 10 centimeters of dielectric material. The sensor can detect off-axis objects, such as conductors, vehicles, humans, and baby seats, making it suitable for a variety of applications, including vehicle safety, biometric systems, hand gestures and air control, and machine learning integration.

The present application relates to laser diode installation and adjustment technical field, specifically relates to a kind of laser diode collimation system, comprising: mounting plate, the mounting plate is equipped with driving assembly and sliding assembly;Lens placement platform, be located on sliding assembly, and are connected with driving assembly, the lens placement platform includes bottom plate and clamping mechanism, pressing mechanism, lens is located in clamping mechanism, the clamping mechanism is located in the inside of the pressing mechanism, the clamping mechanism is used to clamp lens;Place pedestal, be located on the mounting plate, and close to the lens placement platform setting, the place pedestal is equipped with proximity detection element, the place pedestal is used to clamp laser diode;Beam quality analyzer, be located on the mounting plate, and correspond lens placement platform setting.Replaces manual adjustment, cost is extremely low, structure is extremely simple, component parts are few, cost is only 1 / 10 of full-automatic equipment even lower, small and medium-sized enterprises can easily popularize.

The present invention relates to a non-contact target floor input device for an elevator. The input device of the present invention includes a proximity detection module provided at the periphery of an elevator control panel having a plurality of touch buttons, and configured to detect an object entering a detection area at a predetermined distance from the touch buttons, and a non-contact input control section configured to receive a signal from the proximity detection module, calculate a proximity position of the object entering the detection area, and cause at least one of the plurality of touch buttons to be selected based on the calculation result. The present invention can prevent erroneous registration of a target floor by a user in a non-contact input device for an elevator.

An apparatus includes: a power circuit for receiving power from a power source of a life safety device; and at least one control circuit powered by the power circuit. The control circuit is configured to: receive a signal from an ambient light sensor in a calibration mode; and determine a baseline ambient light level based on the signal from the ambient light sensor. The control circuit is also configured to: receive another signal from the ambient light sensor in a proximity detection mode; compare the other signal from the ambient light sensor with the baseline ambient light level; use analysis to determine that the difference between the ambient light level and the baseline ambient light level indicates the presence of an object approaching the life safety device; and issue an alarm indicating the presence of an object approaching the life safety device, at least in part based on the analysis.

A mobile electronic device includes a wireless communications interface configured to receive, from a remote device, a sequence of remote device proximity indicators. The sequence of remote device proximity indicators indicate positions of the remote device. A mobile proximity detector of the mobile electronic device is configured to monitor a current position and a current velocity of the mobile electronic device; determine, from the sequence of remote device proximity indicators, a current remote device position and current remote device velocity; and determine, using at least the current remote device position and velocity, and the current position and the current velocity of the mobile electronic device, a likelihood of close contact between a user of the mobile electronic device and the remote device. A notification manager of the mobile electronic device is configured to notify the user of the likelihood of close contact.

Electronic Binoculars The present invention relates to electronic binoculars (10) comprising: an optical flow capture assembly (12) from a scene, an optical flow display assembly (14) comprising: a microscreen (34) for displaying an image according to the captured optical flow, and at least one eyepiece (36) for viewing the image displayed by the microscreen (34), a proximity detection assembly (16) for a user relative to at least one eyepiece (36), and a control assembly (18) for the display of the microscreen (34) according to the optical flow captured by the capture assembly (12) and the detection performed by the detection assembly (16), such that the microscreen (34) is activated only when proximity is detected by the detection assembly (16). Figure for the abstract: 2

The present disclosure relates to a wall switch, comprising an operation panel configured to receive user operation to trigger the wall switch to perform corresponding functions; an infrared emission circuit configured to radiate infrared signals at a first emission angle; an infrared receiving circuit configured to receive reflected infrared signals at a second receiving angle; wherein the infrared emission tube of the infrared emission circuit and the infrared receiving tube of the infrared receiving circuit are arranged on the same side of the operation panel, so that the infrared signals are received after being reflected within a set distance, realizing human body proximity detection; an environmental compensation circuit electrically connected to the infrared emission circuit and comprising an output control circuit which outputs a target current adjustable within a preset range after being connected to a power supply, and supports output of at least twenty different current segments.

An actuator comprising first and second motors, first and second drive linkages, and a pivot mount configured to pivot about a pivot axis, the pivot mount connected to the first and second drive linkages at first and second mount connections offset first and second offset distances from the pivot axis, the motors and first and second drive linkages configured to provide first and second load paths between a drive housing and the pivot mount so that in a first operation state the pivot mount is in a force-balanced orientation about the pivot axis, and a proximity detector positioned to detect when the pivot mount rotates about the pivot axis above a threshold out of the force-balanced orientation, wherein a force imbalance on the pivot mount caused by a fault in one of the first or second drive linkages above a threshold is detected by the proximity detector.

Systems and methods for a projected dielectric sensor comprising a first conductive path with a first conductive mesh, a second conductive path with a second conductive mesh, and a dielectric gap between them. The dielectric gap functions as an open circuit in a resting state, offering a broader detection range compared to traditional sensors. The sensor includes a power drive connected to the first conductive path and a collector connected to the second conductive path. The first and second conductive meshes include sheets that are positioned longitudinally side-by- side, enhancing sensitivity and simplifying manufacturing. In an example, the sheets are separated by at least 10 cm of dielectric material. The sensor can detect off-axis objects such as conductors, vehicles, humans, and baby seats, making it suitable for various applications including vehicle safety, biometric systems, gesture and mid-air control, and machine learning integration.

This invention provides an integrated system for real-time vehicle logistics, management, and dynamic digital signage in controlled environments like warehouses. It combines GPS tracking, BLE proximity detection, and high-resolution surveillance to monitor vehicles, while rugged tablets display real-time operational instructions and advertisements for loaders and management. Using Quantum GIS for mapping, Apache Kafka for data streaming, and secure communication via TLS 1.3 and OAuth 2.0, the system enhances efficiency, reduces errors, and supports sustainability by eliminating physical signage waste. Additional revenue is generated through targeted ads, making it a versatile solution for modern logistics.

Efficiently controls the timing of starting and stopping multiple traction devices. [Solution] A system 100 for running multiple running devices 20 on a predetermined circular route 10, wherein each running device has a proximity detection unit 27b that detects proximity to another running device ahead, and a control unit 21 that controls the starting and stopping of its own running device. When the control unit detects proximity to another running device ahead, it stops running and restarts after the proximity state is released. When a predetermined stopping point on the route is reached, it stops running and restarts after a first predetermined time has elapsed. If the running device is stopped due to detection of proximity to another running device ahead, and the stopping position is in a group formation section within a predetermined distance from the predetermined stopping point, it restarts after the proximity state with the other running device 20 is released and continues running without stopping at the predetermined stopping point.

This application discloses a proximity detection circuit and a proximity sensor. The circuit includes: a receiving unit that receives a first photocurrent in response to received ambient light, and a second photocurrent that receives both reflected light and ambient light; a control unit that controls the operating state of a transmitting unit and, when the transmitting unit switches states, controls the output voltage signal of an integrating unit to invert; and an integrating unit that integrates the first photocurrent and the second photocurrent to obtain corresponding first and second output voltage signals, and, based on the first and second output voltage signals, obtains a target voltage signal for proximity detection. The target voltage signal obtained by the proximity detection circuit of this application is a voltage signal after filtering out the influence of ambient light. Determining the distance to the target object based on this target voltage signal ensures the accuracy of the proximity detection results.

Disclosed are systems and techniques for proximity detection using a wearable sensing device. An example method can include obtaining sensing data based on one or more wireless signals, the sensing data comprising at least one of a proximity measurement and a distance measurement; determining, based on the sensing data, a spatial relationship between a device associated with a user and a source of the one or more wireless signals; determining whether the spatial relationship satisfies a proximity condition associated with a distance threshold; and based on a determination that the spatial relationship satisfies the proximity condition associated with the distance threshold, triggering a sensory alert via one or more output components.

The application provides a photosensitive current calibration circuit, a photosensitive current calibration method, a chip and an electronic device, and relates to the technical field of light-sensing proximity detection. The circuit comprises: a current sampling circuit for collecting the current of a photosensitive diode and converting it into digital current; a signal processing unit for adjusting the current calibration data in the register by using the dichotomy according to the comparison result of the digital current and the target current, reading the current digital-to-analog conversion calibration data and the duty cycle representation data in the current calibration data, sending the current digital-to-analog conversion calibration data to the IDAC for conversion into calibration current, converting the duty cycle representation data into an injection pulse signal and then sending it to the injection switch to adjust the duty cycle of the calibration current compensation to the photosensitive diode, and determining the target current digital-to-analog conversion calibration data and the target duty cycle representation data based on the current calibration data finally stored in the register after the iteration number of the dichotomy is completed. The adjustment accuracy and the adjustment range are improved, and the hardware resources are saved.

The proximity detection sensing system of this disclosure enables stable sensing for proximity detection using a variety of sensor configurations. [Solution] The proximity detection sensing system comprises a transmitter that forms an electromagnetic field with an transmitting electrode and transmits an AC signal, and a receiver that receives the AC signal from the transmitter, wherein the transmitter has an oscillator and an transmitting electrode, and the output terminal of the oscillator is connected to the transmitting electrode, and the receiver has a detector and a first receiving electrode, and the first input terminal of the detector is connected to the first receiving electrode, and the receiver has a circuit GND as a receiver, and the circuit GND is insulated from the first receiving electrode of the receiver and connected to a conductor that forms capacitance with the ground.