121results about How to "Extend the sensing range" patented technology

A family of wall-mounted electrical fixtures, both for lighting control and electrical power or signal delivery, having a modular design. Said modular design predominately isolating those components that are directly connected to in-wall wiring within a wall-mounted base and low-voltage control and communication components, such as sensors, user-interface elements, programmable logic and wireless communication modules, within an aesthetically-appealing, easily-detachable faceplate assembly.

An inversed microphone module is provided. The module includes a substrate, a microphone chip, a back acoustic cavity cover, and a sealing material. The substrate has a plurality of connection pads and an acoustic hole. The microphone chip has a first surface and an opposite second surface. A plurality of electrically bonding portions and an acoustic sensing are disposed on the first surface. The microphone chip is electrically coupled to the connection pads of the substrate through the electrically bonding portions, and the acoustic hole corresponds to the acoustic sensing portion. The back acoustic cavity cover is fixed to the second surface and defines a back acoustic cavity with the acoustic sensing portion and the microphone chip. The sealing material encapsulates the microphone chip and covers the substrate, so that the sealing material, the substrate, the acoustic sensing portion, and the first surface define a front acoustic cavity.

An optical fiber sensing system includes a sensing optical fiber and one or more optical amplifiers in series with the sensing fiber and arranged to increase the power of sensing pulses travelling along the fiber to thereby increase the range of the sensing system. The optical fiber sensing system is one selected from the group including an optical fiber distributed acoustic sensor (DAS), an optical fiber distributed temperature sensor (DTS), or an optical time domain reflectometry (OTDR) system.

Micro-machined capacitive sensors implemented in micro-electro-mechanical system (MEMS) processes that have higher sensitivity, while providing an increased linear capacitive sensing range. Capacitive sensing is achieved via variable-area sensing, which employs a transduction mechanism in which the relationship between changes in the capacitance of variable, parallel-plate capacitors and displacements of a proof mass is generally linear. Each respective variable, parallel-plate capacitor is formed by a finger / electrode pair, in which both the finger and the electrode have rectangular tooth profiles that include a plurality of rectangular teeth. Because changes in the overlapping area of the finger and the electrode are multiplied by the number of rectangular teeth, while the standing capacity of the micro-machined capacitive sensor remains relatively high, the sensitivity of the micro-machined capacitive sensor employing variable-area sensing is significantly increased per unit area of the finger and the electrode.

A pen-like optical input device includes a body. A light source, a light sensing unit and a lens are disposed in the body, a light ray is emitted by the light source to the outside of the body, and a reflected light ray is generated outside the body. The reflected light ray then is received by the light sensing unit after being refracted by the lens, in which the light sensing unit has a light receiving surface, and a normal of the light receiving surface inclines to an optical axis of the lens, thereby forming an angle with the optical axis.

The invention discloses a city environment automatic driving method based on fog nodes, and relates to the big data processing technical field; the method comprises the following steps: sharing high precision maps and automatic driving models on the cloud end to fog computing nodes; effectively using fog computing node capacity to gather real time environment information of fog computing node coverage area vehicles; combining the gathered data with the cloud end high precision map so as to form a more accurate fine model in the coverage area; sending the model to the coverage area vehicles inreal time, thus realizing automatic driving of the vehicles under the city complex environment, and improving the vehicle real time control processing execution efficiency. In addition, the fog computing nodes can regularly upload high precision maps and vehicle behavior information in the coverage area to the cloud end, thus helping the cloud end to better understand the environment information in the local region, and improving the automatic driving model accuracy.

The invention relates to an environmental detection method and system for archaeology. The environmental detection method comprises the following steps that archaeological excavation is carried out byusing a robot body and a control body; a processor in the robot body or the control body evaluates and divides a passable area and an unpassable area in response to a parallax image collected by a camera device of the robot body; and the processor or the control body releases at least one first-class relay sensor and / or at least one second-class relay sensor based on the unpassable area, and deploys a plurality of third-class relay sensors based on the passable area, wherein the third-class relay sensors are connected mutually in a multi-hop mode and can receive information transmitted by thefirst-class relay sensors and / or the second-class relay sensors.

A dual-diaphragm acoustic transducer includes a substrate defining an opening, an inner diaphragm and an outer diaphragm concentrically mounted at one same side of the substrate corresponding to the opening of the substrate, and a plurality of elastic supporting members connected between the outer perimeter of the inner diaphragm and the inner perimeter of the outer diaphragm. Thus, when a sound wave enters the opening of the substrate, the sound wave pressure forces the outer diaphragm to displace and to carry the inner diaphragm to move, and the inner diaphragm itself will also be forced by the sound wave pressure to have a larger displacement than the outer diaphragm, enhancing the sensitivity. Further, using the inner and outer diaphragms to respond to different sound wave pressures can enhance the sound wave pressure sensing range.

Provided is an apparatus and method for hierarchically providing a context-aware service by real-time user behavior analysis, autonomously collecting information required for the context-aware service using a smart device, and autonomously configuring the service. The apparatus for hierarchical context awareness and device autonomous configuration through a real-time user behavior analysis includes a fast context aware engine configured to receive user data, infer a context, and provide a primary response context aware service, and a fine context aware engine configured to provide a secondary response context aware service using context information inferred by the fast context aware engine and machine learning prediction data, wherein the fast context aware engine reconfigures a resource of a smart device to suit a service.

A sensing method of a touch panel is provided. The touch panel includes N control lines, M groups of sense lines and a touch sensor array having a plurality of sensors arranged in M rows and N columns. The N control lines are coupled to N columns of sensors. The M groups of sense lines are coupled to M rows of sensors. The sensing method includes the following steps: alternately driving the N control lines to alternately enable the N columns of sensors to detect a touch event, wherein P control lines are driven at a time such that P sensors within each of the M rows of sensors are enabled simultaneously, and P is a positive integer greater than one; and receiving P sensing results generated by the enabled P sensors through a corresponding group of sense lines, and generating a sensing output according to the P sensing results.

The invention provides a continuous rail occupation checking system based on a fiber bragg grating sensing technology. Sufficiently dense fiber bragg grating sensors are paved along a rail, and the fiber bragg grating sensors realize continuous rail occupation checking by measuring pressure strain generated by vehicle wheels on the occupied rail. Through the special packaging and design of the sensors, the sensing range of each sensing point can be enlarged to the maximum extent. Through the reasonable arrangement of the sensors, the generation of dead segments can be avoided, and the continuous rail occupation checking is realized. The checking system is not influenced by the external using environments such as lightning, traction current, rail transmission parameters, track bed resistance and wheel rail contact resistance. The continuous rail occupation checking system does not need to pave cables, saves the investment, and has a good anti-theft effect. Through the adoption of the continuous rail occupation checking system, a relay does not need to be provided separately; indoor equipment is reduced; the engineering investment is reduced; and the problem of high cost of the existing rail occupation checking equipment is solved. Moreover, an optical cable is fixed by a clamping tool, so that damage to the rail is reduced, and convenience is brought to the construction.

The invention discloses an intelligent induction lamp, which comprises an inductor, an induction lamp switch, a radio frequency module, a radio-frequency signal receiver and a lens, wherein the induction lamp switch, the radio frequency module and the radio-frequency signal receiver are respectively connected with the inductor; and the lens is a fresnel lens to be used as a lamp cover of the intelligent induction lamp. Through the way, the fresnel lens is used as the lamp cover, so that the induction range of the induction lamp is enlarged, the structure is simple, and the manufacturing cost is low; and when a plurality of intelligent induction lamps are arranged on a pedestrian crossing at intervals, an adjacent induction lamp in the front or a specified induction lamp can be switched on immediately while one induction lamp is adjusted to be switched on, the front part of the pedestrian crossing can be illuminated in advance, and the switched-on induction lamp can be adjusted to be switched off in delayed time, so that the use is convenient, and the intelligentization degree is high.

The invention discloses a high-sensitive MEMS tactile sensor structure. The high-sensitive MEMS tactile sensor structure comprises a capacitive sensing unit, a support beam, a piezo-resistance sensingunit and a back cavity; the capacitive sensing unit is composed of an upper deformable electrode film and a lower deformable electrode film embedded into the metal, and the internal bulge is furtherarranged below the deformable electrode film at the upper part; one end of the support beam is connected with the deformable electrode film at the lower part of the capacitive sensing unit, and the other end is connected with the piezo-resistance sensing unit, thereby communicating two sensing units; the piezo-resistance sensing unit is composed of four pairs of double-deck piezo-resistive beams;and the back cavity is formed by the pit etched on a silicon substrate and used for providing a deformation space for the piezo-resistance sensing unit. After changing the sensing unit structure, theresponse change is more obvious under the same load, the sensor is more sensitive, and the integration of two sensing units is still realized, and the sensing range of the sensor is enlarged.

A radio-frequency (RF) system includes a substrate; a plurality of antenna strings, formed on a first plane of the substrate, each comprising a plurality of radiating units connected in a sequence, wherein the plurality of antenna strings are classified into a first group and a second group; a plurality of wires, formed on a second plane of the substrate, for transmitting RF signals; a plurality of connecting units, disposed in the substrate, for coupling the plurality of wires and antenna strings of the second group; a first RF processing module, for transmitting or receiving RF signals via antenna strings of the first group, and a second RF processing module, for coupling to the antenna strings of the second group through the plurality of wires and the plurality of connecting units, so as to transmit or receive RF signals via the antenna strings of the second group.

The invention discloses a flexible composite film with high sensitivity and wide sensing range and an application thereof, and belongs to the application field of wearable sensors, electronic skin and the like. The invention aims to solve the technical problems that the binding force between a flexible substrate and an active material is not strong, the durability of the material is not strong, and the sensing range is not large enough. The flexible composite film comprises an MXene / TPU composite film and PDMS films, wherein the PDMS films are arranged on two sides of the MXene / TPU composite film and are bonded with the MXene / TPU composite film into a whole; wherein the MXene / TPU composite film is prepared by the following steps: preparing a TPU film by adopting a film coating method, spraying a colloidal aqueous solution prepared from 2D Ti3C2MXene nanosheets, and drying. The product is suitable for a series of applications such as health detection, motion signal detection, robot motion detection, wearable electronic equipment and the like.

A reduction-oxidation sensor device and a manufacturing method thereof are provided. The reduction-oxidation sensor device includes a first electrode, at least one sensing structure and a second electrode. The first electrode is located on a substrate. The at least one sensing structure is located on the first electrode and the substrate. The at least one sensing structure includes a metal nanowire layer and a metal oxide layer. The metal nanowire layer is disposed on the first electrode and the substrate. The metal nanowire layer is wrapped by the metal oxide layer. The second electrode is located on the at least one sensing structure.

The invention relates to an optical fiber acousto-optic torsion and displacement sensor and more particularly, to a torsion and displacement sensor arranged on an acousto-optic modulator based on a few-mode or multi-mode optical fiber. The optical fiber acousto-optic torsion and displacement sensor of the invention, more particularly, relates to a torsion and displacement sensor arranged on an acousto-optic modulator based on a few-mode or multi-mode optical fiber. The sensor of the invention is designed to overcome the axial angle torsion in construction structure security and internal damage detection as well as the shortcomings of the current technology of a micro displacement sensor and therefore, an optical fiber acousto-optic torsion and displacement sensor suitable for use in a micro space dangerous environment is provided. Through the transmission of detection light in different modes by the optical fiber acousto-optic modulator through one single few-mode optical fiber, the detection light is converted by the different angle torsions and the micro displacement amounts of a detected object into the torsion amount and the displacement amount of an image monitoring and capturing system; and an image identifying algorithm realizes the dynamic monitoring. According to the invention, in a dangerous environment, the sensor can simultaneously the axial torsion and the three-dimensional micro displacement of a detected object, and is not provided with the intersecting sensitivity between the temperature and the axial stress, therefore, capable of being created by a cost-effective image identifying system.

The invention relates to the technical field of fire detection and particularly relates to an intelligent fire detection and alarming system. The intelligent fire detection and alarming system comprises monitoring points, a first sensor module, a second sensor module, a third sensor module, a monitoring terminal, a data analysis and comparison module, an unmanned aerial vehicle monitoring module and a remote sensing image receiving module, wherein the monitoring points comprise an indoor acquisition point and an outdoor acquisition point, the first sensor module is arranged at the indoor acquisition point, the fire thus has a large sensing range, and the application scenes are wide; the unmanned aerial vehicle monitoring module is internally provided with a photographing module, the fire condition in a fire field can be photographed in real time, and a commander at the monitoring terminal can make proper treatment in time; and the remote sensing image receiving module receives a remotesensing image of the fire field in a first time, a fire condition history database is matched for analysis, and high efficiency and safety of a fire extinguishing process are more facilitated.

A sensing margin expanding scheme for a memory and a method therefor is disclosed. A first terminal of a first capacitor is coupled to a bit line. A first terminal of a second capacitor is coupled to a reference voltage. In a first phase, the controller controls a first common switch and a second common switch to store the voltage difference between the bit line and the reference voltage to the first capacitor and the second capacitor. In a second phase, controlling the first common switch and the second common switch to open the first terminal of the first capacitor and the second terminal of the second capacitor and open the second terminal of the first capacitor and the first terminal of the second capacitor, and then coupling the second terminal of the first capacitor and the second terminal of the second capacitor to a common voltage.

The invention is applicable to the field of bathroom equipment and discloses an infrared ray induction device and an inductive faucet comprising the same. The infrared ray induction device comprises a first light emitting module, a second light emitting module and a light receiving module. The first light emitting module comprises a first light emitter and a first lens with positive refractive power. The first light emitter emits infrared rays with a first optical axis through the first lens. The second light emitting module comprises a second light emitter and a second lens with positive refractive power. The second light emitter emits infrared rays with a second optical axis through the second lens. The light receiving module is located between the first light emitting module and the second light emitting module. The included angle between the first optical axis and the second optical axis in the emitting direction is an acute angle. The inductive faucet comprises the infrared ray induction device. According to the infrared ray induction device and the inductive faucet comprising the same, the induction range of the infrared ray induction device is large, and the inductive faucet is low in production cost, small in size and sensitive in control.

The invention discloses an irregular optical fiber grating group stress sensor based on wavelength and amplitude dual coding, belonging to the technical field of optical fiber sensors. The sensor comprises a broadband light source, a circulator, a single mode fiber, an apodized grating group, refractive index matching liquid, a spectrometer and a computer processing system. The apodized grating group consists of M*N apodized gratings which totally comprises M resonant wavelengths, each of the M resonant wavelengths has N same resonant wavelengths, but the N gratings have different refractive indexes; and the M*N gratings in the apodized grating group are irregularly distributed, i.e. each N gratings of M different resonant wavelengths can be crossed with any sequences, but every N gratings having same resonant wavelengths shall keep the ascending or descending sequence of refractive index in the entire grating group. With the irregular optical fiber grating group stress sensor based on wavelength and amplitude dual coding, the combination of wavelength coding and amplitude coding is adopted, the sensing range is effectively extended, and the sensing precision is enhanced, and the adoption of irregular apodized grating distribution mode can further eliminate the interference of harmonic peak side lobe.

The invention discloses a lightning protection method for an overhead transmission line, and the method comprises the steps: setting a main needle with an active discharge function on the overhead transmission line, and attracting thunder and lightning through the main needle during thunder and lightning; through the design of the method, the main needle capable of pre-discharging is installed onthe overhead line to actively attract thunder and lightning, and the problem of lightning shielding failure can be solved. According to the invention, the induction electrode of the main needle induces the change of a surrounding electric field to generate an electric potential, triggers the main pin of the main needle to discharge and attract thunder and lightning, enables the thunder and lightning to strike the main pin of the main needle, and then enables the lightning electric energy to be released to the ground soil through the discharge needle. The lightning arrester main needle discharges to attract lightning, so that the lightning strikes the main pin of the main needle, and the induction range of the main needle can be expanded to prevent a power transmission line from being struck by the lightning in a larger range.

The invention relates to an escalator armrest illuminating device, and belongs to the field of elevator auxiliary equipment. The escalator armrest illuminating device comprises an armrest belt; an armrest bracket is mounted below the armrest belt; and the bottom of the armrest bracket is fixedly connected with an armrest illuminating lamp strip wire groove. The escalator armrest illuminating device is characterized in that an armrest illuminating lamp wire groove cover is arranged at the lower end of the armrest illuminating lamp wire groove; an armrest illuminating lamp strip is mounted in the armrest illuminating lamp wire groove; the armrest bracket and the armrest illuminating lamp wire groove are connected by a cross head sunk screw; and multiple pressure sensors are arranged on the armrest belt for connecting with the armrest illuminating lamp strip through time relays. The escalator armrest illuminating device has the following beneficial effects: as the lamp strip is mounted in independent wire groove without suffering from the effect of external force, the lamp strip is guaranteed to be not pressed and damaged; meanwhile, the mounting mode is simple in installation and convenient for maintenance; and as the pressure sensors, the time relays and an independent power supply are used, the energy is saved, and the illumination still can be guaranteed in external power failure.

The invention discloses an intelligent monitoring anti-pinch lift door comprising a first door body, a second door body and a first rail groove. The second door body is movably arranged on one side ofthe first door body. The first rail groove is fixedly arranged on the tops of the first door body and the second door body. A second rail groove is fixedly arranged on the bottoms of the first door body and the second door body. According to the intelligent monitoring anti-pinch lift door, a human body or goods shield infrared signals transmitted by an infrared transmitter in a second light curtain, so that the infrared receiver in the first light curtain cannot receive the infrared signals, meanwhile, when a microwave sensor detects that people enter the lift, a sensing probe collects signals and generates pulse signals, then the pulse signals are transmitted to a controller, and therefore the lift door is in the open state all the time; the sensing range of the microwave sensor can be effectively expanded by a refractor, the microwave sensor and the light curtains jointly control the lift door, so that the lift door can be effectively prevented from pinching people or goods, and theintelligent monitoring anti-pinch lift door is safer in use.

A reduction-oxidation sensor device and a manufacturing method thereof are provided. The reduction-oxidation sensor device includes a first electrode, at least one sensing structure and a second electrode. The first electrode is located on a substrate. The at least one sensing structure is located on the first electrode and the substrate. The at least one sensing structure includes a metal nanowire layer and a metal oxide layer. The metal nanowire layer is disposed on the first electrode and the substrate. The metal nanowire layer is wrapped by the metal oxide layer. The second electrode is located on the at least one sensing structure.

A family of wall-mounted electrical fixtures, both for lighting control and electrical power or signal delivery, having a modular design. Said modular design predominately isolating those components that are directly connected to in-wall wiring within a wall-mounted base and low-voltage control and communication components, such as sensors, user-interface elements, programmable logic and wireless communication modules, within an aesthetically-appealing, easily-detachable faceplate assembly.

The invention relates to a non-contact power-off sensor. The sensor includes a first electrode and a second electrode. The first electrode and the second electrode assume the shape of a cambered surface so as to acquire more electric field change signals in alternating electric field detection of a to-be-detected cable. According to the invention, the sensor adopts multiple-electrode sampling, uses the characteristics of high impedance of a single chip microcomputer I / O port and arranges a plurality of sampling electrodes in a product, which can effectively avoid wrong determination brought by zero vector sum of the electric field when the cable only has three phases, namely A, B and C phases; is made in an arc shape so as to attach closely to the cable, which increases the range of sensing and sensing determination effects; uses the only encoded steel cable ties in installation, which replaces nylon cable ties which are easily damaged or requires exchanging when unauthorized.

An antenna module and an electronic apparatus are provided. The electronic apparatus includes a housing and the antenna module. The housing has an inner surface. The antenna module includes a circuit board, a proximity sensor and a sensing antenna patch. The circuit board is disposed in the housing, and has a top surface and a bottom surface opposite to the top surface. The circuit board has a communication antenna pattern on the top surface. The proximity sensor is mounted on the bottom surface. The sensing antenna patch is assembled on the inner surface of the housing and electrically connected to the proximity sensor. An orthogonal projection of the communication antenna pattern on the inner surface overlaps the sensing antenna patch on the inner surface.

A pen-like optical input device includes a body. A light source, a light sensing unit and a lens are disposed in the body, a light ray is emitted by the light source to the outside of the body, and a reflected light ray is generated outside the body. The reflected light ray then is received by the light sensing unit after being refracted by the lens, in which the light sensing unit has a light receiving surface, and a normal of the light receiving surface inclines to an optical axis of the lens, thereby forming an angle with the optical axis.