386 results about "Capacitive sensing" patented technology

An aerial vehicle or another system having moving components may be configured with a capacitive sensing system for detecting body parts of humans or other animals within proximity. The capacitive sensing system includes conductive components provided in association with surfaces of housings within which motors rotate propellers or other objects. The capacitors are coupled to circuits including transistors, resistors, capacitors or other features that are configured to determine levels of capacitance on the conductive components during operations of the aerial vehicle or other system. When a body part approaches a conductive component, and disrupts a level of capacitance on a capacitor coupled to the conductive component, a change in the level of capacitance on the capacitor is detected. Where the change exceeds a predetermined threshold, predetermined actions such as stopping or otherwise altering operations of the motors may be performed.

A ground detection system for an aircraft based on capacitive sensing. The system comprises an electrode mounted to an aircraft landing gear. As the aircraft landing gear approaches the ground, the electrode and the ground together form a variable capacitor having a capacitance that depends on a distance of the electrode from the ground. Signal processing electronics are used to measure the capacitance and, on the basis of the measured capacitance, determine a distance of the aircraft from the ground.

A peripheral input device module is connectable to a main control device to provide electrical signal(s) in response to a user interaction. The input device comprises one or more thermo-formable non-metallic conductive sensing electrodes configured to provide electrical signal(s) in response to a change in capacitance between (i) a sensing portion of the respective sensing electrode and a conductive object, and / or (ii) a sensing portion of the respective sensing electrode and a sensing portion of another of the one or more sensing electrodes or another sensing portion of the respective sensing electrode. At least one of the sensing electrodes comprises one or more connector portions that form an electrical connector. Each connector portion is configured to electrically connect to a respective electrical contact of a capacitive sensing circuit of the main control device for measuring the electrical signals.

The invention relates to the field of LED driving controllers, in particular to a control method of a waterproof touch type LED driving controller, which automatically identifies environmental conditions and user preferences through an AI algorithm, dynamically adjusts sensor parameters, realizes self-adaptive configuration, intelligently distinguishes real touch control and false triggering through charge detection, capacitive sensing and weak magnetic field change, and improves the control accuracy of the waterproof touch type LED driving controller. A user operation intention such as light touch, long press and sliding is deeply analyzed in combination with machine learning, after a control strategy is dynamically generated, LED brightness and color temperature are automatically adjusted and a command is executed according to the user intention and environmental parameters, the control strategy is optimized through a reinforcement learning algorithm, meanwhile, a health monitoring function is integrated, a user operation mode and environmental data are analyzed, and the user experience is improved. The health state of the equipment is intelligently judged, potential faults are warned in advance, and stable operation of the equipment and user experience are ensured.

The invention belongs to the technical field of space inertial sensors, and particularly relates to a phase synchronization monitoring and adjusting method for multichannel excitation signals. Comprising the steps that S1, a test platform is built, and the test platform comprises a sensitive probe and capacitance sensing electronics; s2, enabling the center of the electrode cage to have small displacement relative to the center of the detection polar plate in the X-axis direction of the detection polar plate, and transmitting different excitation signals to each excitation polar plate by capacitive sensing electronics; s3, iteratively adjusting the initial phase of each excitation signal based on an optimization algorithm; and S4, when the measured induced voltage output by the to-be-measured induction pole plate pair after the initial phase is adjusted for two adjacent times meets an iteration stop condition, completing the phase synchronous monitoring and adjustment of the multichannel excitation signal. According to the invention, the influence of the structural design of the sensitive probe of the capacitive displacement sensor, line delay and other factors on multichannel excitation signal phase delay can be offset, and the sensitivity is improved.

The invention discloses a microwave flow sensing chip applied to fuel cell control. The microwave flow sensing chip comprises a micro-fluidic chip and a capacitor array sensor chip, the micro-fluidic chip comprises a micro-fluidic gas channel, a micro-fluidic liquid channel and a micro-fluidic mixing channel which are connected with one another; the micro-fluidic mixing channel comprises a plurality of micro-fluidic mixing channel units; the capacitor array sensing chip comprises a substrate and a capacitor sensing structure arranged on the substrate, the capacitor sensing structure comprises a plurality of bubble measuring units, and the plurality of bubble measuring units are bonded with the plurality of microfluidic mixing channel units one by one. The microwave flow sensing chip provided by the invention is formed by combining the micro-fluidic chip and the capacitor array sensing chip, has the capability of quickly and accurately measuring and controlling the gas flow, and can perform more reliable and efficient flow monitoring. According to the microwave flow sensing chip, the stability and performance of a fuel cell system can be remarkably improved, so that the application development of the microwave flow sensing chip in the field of energy conversion is promoted.

A capacitive sensor and capacitive sensing method including driver device having first input configured to receive clock signal, second input configured to receive charging voltage, third input configured to receive common-mode voltage, and output; first capacitor configured to be sensed, having first terminal connected to output of driver device and second terminal; and receiver device having first input configured to receive clock signal, second input connected to second terminal of first capacitor, and third input configured to receive the common mode voltage, wherein the receiver includes a temperature-compensated analog-to-digital converter (ADC), wherein the temperature-compensated ADC includes a voltage reference generator, and wherein the voltage reference generator includes a comparator, a first p-channel Metal Oxide Semiconductor (MOS) transistor, a second p-channel MOS transistor, a third p-channel MOS transistor a first variable resistor, a second variable resistor, a third variable resistor, a fourth variable resistor, a first diode, and a second diode.

The automobile seat front-back adjusting waist rest structure comprises a foundation bottom plate, a limiting rod is arranged on one side of the foundation bottom plate, a displacement mechanism is arranged at the center of the outer wall of the limiting rod, a control unit is arranged on one side of the displacement mechanism, a displacement plate is arranged on one side of the displacement mechanism, and a connecting through hole is formed in the outer wall of the displacement plate. The displacement plate is connected with the foundation bottom plate through the combination of the connecting through holes and the limiting rods, a fixed waist rest is arranged on one side of the displacement plate, a non-contact capacitive sensing array is arranged on the outer wall of the fixed waist rest, and the non-contact capacitive sensing array is arranged on the outer wall of the fixed waist rest through cooperative control of the four-dimensional limiting rods and the sliding rail displacement mechanism. Dynamic fitting of a waist supporting curved surface is achieved by combining a pressure distribution standard deviation algorithm, a spring steel plate composite displacement mechanism can be compatible with installation of seats of various vehicle types, meanwhile, the pressure difference of the upper waist, the middle waist and the lower waist is monitored in real time, millimeter-level displacement adjustment is triggered, and the driving comfort is remarkably improved while driving safety is guaranteed.

The invention belongs to the technical field of touch control, and particularly relates to a capacitive induction touch control sensor and a preparation method thereof.The capacitive touch control sensor comprises a transparent base layer, a golden finger, a transmitting TX electrode, a receiving RX electrode and a metal wire, and the golden finger, the transmitting TX electrode, the receiving RX electrode and the metal wire are arranged on the transparent base layer; the transmitting TX electrode is electrically connected with the golden finger through a metal wire; the receiving RX electrode is electrically connected with the golden finger through a metal wire; wherein the transmitting TX electrodes and the receiving RX electrodes are mutually nested to form electrode blocks, and a plurality of electrode blocks form an integral single-layer multi-point touch capacitor unit array. According to the capacitive touch sensor, the golden fingers, the electrode blocks and the metal wires are arranged on the same layer of the surface of the transparent substrate, so that the transmitting TX electrodes and the receiving RX electrodes are mutually nested to form the electrode blocks, the information input of touch positioning is realized, the structure and manufacturing process links of the capacitive touch sensor are simplified, the cost is reduced, and the production efficiency is improved. And the sensitivity of the capacitive touch sensor is improved.

An aspect of the disclosure provides a cover glass configured to overlie a display screen of a user equipment, UE, device, the cover glass comprising: a substrate arranged to overlie a said display screen for protecting said display screen, wherein the substrate has a display-facing surface and a user-facing surface; and a capacitive biometric skin contact sensor coupled to the substrate and configured to resolve the contours of skin proximal to the sensor, the sensor comprising: a plurality of gate drive channels; a plurality of read-out channels; a sensor array of sensor pixels, wherein each sensor pixel comprises a thin film transistor and an at least partially transparent capacitive sensing electrode coupled to the thin film transistor, and wherein each of the sensor pixels is coupled to both: (i) a gate drive channel to receive a scanning signal; and (ii) a read-out channel to provide a read-out signal; and conversion circuitry configured to process read-out signals received from sensor pixels to obtain biometric skin contact data therefrom; wherein the cover glass is arranged to couple to said UE device to enable transmission of biometric skin contact data from the conversion circuitry to a processor of said UE device.

The invention relates to the technical field of fiber laser cutting, in particular to a high-precision fiber laser metal plate cutting method and system, and the method comprises the following steps: obtaining an original capacitance value of a capacitive induction ring; the original capacitance value of the capacitive induction ring is separated into an average capacitance value and a high-frequency vibration signal; extracting a vibration amplitude from the high-frequency vibration signal; according to the non-linear relation between the capacitance value and the distance of the capacitive induction ring, the vibration amplitude and the average capacitance value, direct current deviation caused by high-frequency vibration is calculated; subtracting the direct current deviation from the average capacitance value to obtain a corrected average capacitance value; and controlling the distance between the nozzle and the metal plate according to the corrected average capacitance value. And the cutting quality and the size precision can be improved.

The invention provides a switch device and a control method thereof, a controller is provided with a capacitive sensing module and a pressure sensing module, the capacitive sensing module comprises a distance sensing module, the distance sensing module scans and detects a capacitive sensing circuit in real time, and the electric switch device comprises a plastic layer, a circuit board and a pressure sensor. The circuit board is provided with a capacitive sensing circuit, a light display assembly is arranged below the circuit board, when the hand of a user enters the sensing distance interval of the distance sensing module, the controller controls the light display assembly to be started, the electric switch is made to emit light, awakening prompt tone is given out, in the environment with poor light, the user can conveniently position the button, and the switch is prevented from being mistakenly shocked; and the interaction experience feeling of the control panel is improved.

The invention belongs to but not limited to the technical field of surface analysis, and particularly relates to a dielectric material surface charge density and surface potential measurement method and device, and the method comprises the steps: S1, enabling a to-be-measured dielectric material to be subjected to an electrostatic force F through an external electric field, and transmitting the electrostatic force F to a compound pendulum frame through a sample support; s2, the pendulum frame of the compound pendulum rotates by an angle delta theta under the action of the electrostatic force F; s3, the angle delta theta is equal to the displacement x of a middle pole plate of the bottom capacitance displacement detection system; s4, the differential capacitance delta C of the two capacitors of the capacitance displacement detection system is in direct proportion to the rotation angle delta theta; and S5, after modulation and demodulation of the capacitance sensing circuit, the delta C is converted into a voltage output signal VO.

The utility model discloses a low-dead-zone rocker controller. The low-dead-zone rocker controller comprises a rocker, a rocker skirt, a second sensing module, a touch sensing module and a microcontroller, the rocker skirt sleeves the upper end of the rocker, and the rocker skirt as a first sensing module can be in sensing connection with a finger capacitor to form a first capacitor; and the second sensing module is in sensing connection with the rocker skirt capacitor serving as the first sensing module to form a second capacitor. According to the low-dead-zone rocker controller, the fingers are connected with the rocker skirt through the capacitive sensing technology, the rocker skirt is connected with the second sensing module through the capacitive sensing technology, and therefore human body contact detection is achieved to solve the drifting problem of the low-dead-zone rocker, and centering errors caused by limitation of the structure of the rocker are avoided; and the centering error caused by temperature change is avoided, the service life problem caused by wire connection is also avoided, and meanwhile, the operation smoothness of the rocker is not influenced.

Examples relate, generally, to utilizing capacitive distance measurement values to adjust capacitive liquid level measurement values.

The invention discloses a waterproof capacitive touch screen based on a PCB (printed circuit board) bonding pad and a transparent conductive film, which belongs to the technical field of touch screens and comprises a cover plate, a transparent conductive film sensor, a printed circuit board, an integrated connecting structure and a main sealing structure. The transparent conducting film sensor comprises a transparent base material, a capacitive sensing electrode pattern formed on the transparent base material, and a transparent conducting film bonding pad array which is electrically connected with the capacitive sensing electrode pattern and located in a non-visual area. And all electrical connection points are firmly packaged by the anisotropic conductive material and the main sealing structure, so that water vapor and electrolyte are fundamentally prevented from eroding channels, and the protection grade of IP67 and above is easily realized.

The utility model discloses a rocker device and a handle remote controller, the rocker device comprises a capacitance sensing assembly, a rocker assembly and a control assembly, the capacitance sensing assembly comprises a first electrode plate, a second electrode plate and a third electrode plate, and the second electrode plate and the third electrode plate are arranged on the same side of the first electrode plate; a first opposite distance exists between the first electrode plate and the second electrode plate so as to form a first capacitor; the first electrode plate and the third electrode plate have a second opposite distance so as to form a second capacitor; the control assembly is electrically connected with the capacitance sensing assembly, and the control assembly is used for outputting corresponding position information according to the change of the ratio of the capacitance value of the first capacitor to the capacitance value of the second capacitor. According to the utility model, by detecting the change of the ratio of the capacitance values of the two capacitors, the position information input by a user through the rocker assembly is determined, so that the influence of environmental factors (such as temperature and humidity) on the capacitance values can be avoided, and the control precision of the rocker device is improved.

This invention is entitled "Continuous Touch Input on Multiple Independent Surfaces." A touch input device is provided with the ability to sense capacitive loads in a two-dimensional array while also being able to sense deflection or movement of the input device at multiple different locations beneath the input plate. The touch input device can be advantageously used in a remote control device and can be used with multiple input buttons or platforms that overlay multiple capacitive touch input areas on a capacitive touch sensor substrate. Movement and positioning of the capacitive loads can be tracked and calculated through output signals from a set of electrodes or other capacitive sensors that have irregular shapes, inconsistent distances from the capacitive loads, and are positioned beneath variable materials and material compositions. Thus, track gestures and taps can be detected using the capacitive sensing device and deflection inputs can be detected using switches or other actuators positioned beneath the capacitive sensing device.

The invention discloses a capacitive semiconductor miniature vacuum gauge and a vacuum detection method, and the vacuum gauge achieves the high precision, miniaturization and low power consumption of vacuum measurement through the combination of the electrical amplification characteristic of a semiconductor device and a capacitive sensing principle, makes full use of the compatibility of a standard CMOS technology, and improves the measurement precision. The air pressure sensing module and the signal processing unit are vertically integrated, so that the manufacturing process is simplified, the production cost is reduced, the reliability and the mass production potential of the device are remarkably improved, the measurement range is further widened and the sensitivity is optimized by adjusting the geometric parameters of the electrode, and the sensor has important practical value and wide commercial prospect and is worthy of popularization and application. And an efficient and economic solution is provided for the development of the next generation of miniature vacuum gauges.

The invention provides a light-variable fishing line guiding device and a control method, and the device comprises a control chip which comprises a capacitive sensing device; the light-emitting device is connected with the control chip; and the power supply is connected with the light-emitting device and the control chip. According to the scheme, the environment change can be sensed according to the capacitance change from air to water or from water to air, and whether the lamp is turned on or not is judged according to the change, so that the effects of turning off the lamp and turning on the lamp when water enters or turning on the lamp and turning off the lamp when water enters are achieved.

This application discloses a method, device, vehicle, and computer storage medium for controlling vehicle door openings. The method utilizes a vehicle equipped with a capacitive sensing area comprising multiple capacitive sensing points to capture touch-slide operations performed by a vehicle user. The method then determines whether the touch-slide operation is a false touch based on the triggering status information for the multiple capacitive sensing points. Finally, if the touch-slide operation is determined not to be a false touch, the method immediately controls the opening or closing of the vehicle door based on the triggering sequence of the multiple capacitive sensing points. The technical solution of this application can address the technical issue of traditional electric door openings being prone to false triggering.

A lighting system is disclosed. The example lighting system includes a plurality of LED lighting devices, where at least one of the LED lighting devices includes a same or different colored LED than a LED in at least one of the other LED lighting devices. The lighting system also includes a plurality of data communication circuits, where at least one of the data communication circuits is configured to transmit data signals to or receive data signals from at least one telecommunications device that comprises a circuit configured to detect human touch via capacitive sensing. The at least one data communication circuit is integrated in at least one of the LED lighting devices of the plurality of LED lighting devices. Additionally, the at least one telecommunications device is configured to control a brightness level of at least one of the LED lighting devices via the at least one data communication circuit.

The utility model relates to the technical field of man-machine interaction of electronic equipment, and particularly discloses a backlight touch key. The backlight touch key comprises a shell and a plurality of key assemblies, each key assembly comprises a key unit and a touch conduction unit, and each key unit is provided with a first end and a second end which are opposite to each other; the first end is embedded in the shell, the key unit penetrates through the touch conduction unit, the outer surface of the touch conduction unit is provided with a capacitive sensing surface, the capacitive sensing surface is attached to the shell, and the relative position of the shell and the touch conduction unit is fixed. According to the backlight touch key, the specific structure is improved, so that high integration of the structure and simplification of the manufacturing process are realized while the backlight uniformity and the induction sensitivity are ensured.

A kind of heart sound sensing structure and its preparation method, the structure includes double SOI substrate, center mass, elastic support beam, piezoresistive sensing unit and capacitive sensing unit.The front surface of center mass is provided with additional mass layer, and the back surface is kept bottom layer silicon to increase thickness;Elastic support beam connects mass and frame;Piezoresistive sensing unit is composed of four piezoresistors to form wheatstone bridge, and capacitive sensing unit includes movable and fixed comb-tooth capacitive plate crossing each other.When the sound pressure gradient of heart sound signal drives mass to deviate, elastic support beam bends to change piezoresistive value, and at the same time, comb-tooth capacitive plate overlapping area changes to cause capacitive value change, to realize piezoresistive and capacitive dual-mode synchronous detection.Two kinds of detection mechanisms calibrate each other, which significantly improves the sensitivity and anti-interference ability of low-frequency heart sound signal.The preparation method is based on double SOI substrate, integrated by ion implantation, etching, metal deposition and 3D printing process, suitable for miniaturized wearable heart sound monitoring application.

There is provided a capacitive sensing system including multiple sensor electrodes, an insulating layer and a single active shielding metal. The single active shielding metal has an overlapped region with each of the multiple sensor electrodes. The insulating layer is arranged between the single active shielding metal and the multiple sensor electrodes. When one of the multiple sensor electrodes is driven by a driving signal, the rest of the multiple sensor electrodes are grounded or receive an active shielding signal, and the single active shielding metal receives the active shielding signal.

Disclosed are a rocker apparatus and a handle remote control. The rocker apparatus includes a capacitive sensing assembly, a rocker assembly, and a control assembly. The capacitive sensing assembly includes a first electrode piece, a second electrode piece and a third electrode piece, the second electrode piece and the third electrode piece are provided on a same side of the first electrode piece; a first facing spacing is provided between the first electrode piece and the second electrode piece to form a first capacitor; and a second facing spacing is provided between the first electrode piece and the third electrode piece to form a second capacitor; the control assembly is electrically connected to the capacitive sensing assembly, and the electric control board is configured to output corresponding position information based on a ratio change of the capacitance of the first capacitor to the capacitance of the second capacitor.

A device for connecting a nozzle (120) to a laser cutting head (30), wherein the laser cutting head (30) has a sensor arrangement (60) for capacitive scanning, an opening (36) for connection to a laser process and an opening (35) for connection to a purge gas (P), the device comprising: - a conductive adapter (110) having a first and a second end (114, 116) and a first passage (64) for connection to the laser method from the opening (36), wherein the first end (114) is attached to the sensor assembly (60), the second end (116) is attached to the nozzle (120), the conductive adapter (110) having a collar (115) arranged around it, the collar (115) defining one or more second passages (118) through it; and - a cover (130) configured to be positioned between the head (30) and the collar (115) and configured to enclose a space (95) that directs the purge gas (P) from the opening (35) to the one or more second passages (118) of the collar (115).

The invention discloses a falling-into-water alarm positioning device and method. The falling-into-water alarm positioning device comprises a frame assembly, a soaking detection assembly and a control assembly. The frame assembly is composed of an upper cover, a bottom shell and a first back clamp arranged on the bottom shell, and the upper cover is connected with the bottom shell in a sealed mode. The immersion detection assembly comprises a contact type first immersion module arranged on the upper cover and a capacitive sensing second immersion module arranged in the bottom shell; the control assembly is electrically connected with the water immersion detection assembly and comprises a control unit, a positioning module, a communication module, a power supply module and an indicating lamp module, and the control unit is electrically connected with the modules. According to the scheme, through a cooperative detection mechanism of the contact type sensing module and the capacitance type sensing module, the accuracy of water falling identification is effectively improved, and the risk of false alarm caused by environmental interference is reduced; meanwhile, due to the design of the integrated control assembly and the sealing frame, the reliability and the environmental adaptability of the device are enhanced, and timely and reliable falling-into-water alarming and positioning guarantee is provided for workers on the water.

The invention discloses a soybean moisture content online detection system and method based on capacitance sensing, and relates to the field of agricultural machinery intelligent detection, and the system comprises a sampling mechanism, a control unit and a detection unit; the sampling mechanism is arranged on the outer side of a grain conveying channel of the soybean combine harvester and used for collecting soybeans in the grain conveying channel; the detection unit is arranged in the sampling mechanism and is used for detecting the weight, temperature and dielectric signals of the soybeans; the control unit is connected with the detection unit and the sampling mechanism, obtains a dielectric signal of the soybean and the temperature of the soybean when the weight of the soybean reaches a preset value, converts the dielectric signal of the soybean into a voltage signal, and controls the temperature of the soybean on the basis of the temperature of the soybean and the voltage signal; and calculating the moisture content of the soybeans by adopting a built-in moisture content-breakage rate nonlinear model. The soybean crushing rate is reduced, and the detection efficiency is improved.

The invention discloses an earphone sound channel configuration method, a headphone, equipment and a storage medium, the disclosed earphone sound channel configuration method is applied to the headphone, the surface of an earmuff shell of the headphone is configured with oppositely arranged holding areas, and each holding area is provided with a capacitive sensor array. The method comprises the following steps: acquiring capacitive sensing values of different holding areas in each earmuff, wherein the capacitive sensing values are generated by a capacitive sensor array based on the contact area between the holding areas and a human hand; determining holding state information of each earmuff according to each capacitive sensing value; and configuring sound channels corresponding to the earmuffs according to the holding state information.