308 results about "Capacitive sensing" patented technology

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 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 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 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.

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.

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.

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.

The utility model relates to a touch wake-up zoom key structure and an electronic equipment protective shell, comprising a flexible glue structure arranged in a key groove and internally provided with a clamping groove; the hard rubber key is arranged in the clamping groove, the hard rubber key comprises a pressing part, a shaft part extending from one side of the pressing part and a touch part, the shaft part is arranged between the pressing part and the touch part, and the touch part is used for triggering a pressing signal; accommodating grooves are formed in the upper end and the lower end of the hard rubber key in a penetrating manner; and the conductive silica gel strip is fixedly arranged in the accommodating groove, and the conductive silica gel strip is used for being electrically connected with a capacitive sensing part of the equipment. By adopting the structure, the touch awakening zooming of the electronic equipment is realized, and the key structure has good softness and conductivity, can be in better contact with the equipment key, is not easy to damage the equipment key and is relatively low in cost.

The application provides a capacitive sensing device and a proximity measurement method, which comprises: obtaining capacitive data; determining whether a capacitive sample value in the capacitive data is within a current proximity measurement range; the current proximity measurement range is a measurement range corresponding to a current compensation capacitive value in the capacitive data; if the capacitive sample value is within the current proximity measurement range, determining a current proximity according to the capacitive data; if the capacitive sample value is beyond the current proximity measurement range, adjusting the compensation capacitive value to adjust the proximity measurement range, and determining the current proximity according to the adjusted compensation capacitive information; thereby realizing dynamic adjustment of the proximity measurement range, and measuring a case where a proximity change range is greater than a range of the capacitive sensor, and meeting a test requirement of simultaneously testing far and near proximities.

The utility model discloses a capacitive sensing touchpad and a touch sensing device, relates to the technical field of touch electronic products, and solves the technical problem that a touchpad capable of ensuring a sensing touch function on the premise of not increasing process complexity and cost is urgently needed at present. The touch panel comprises a touch chip, a touch layer and a pressure-sensitive layer, the touch layer comprises a plurality of first induction electrode blocks; the pressure sensing layer comprises a plurality of block areas, and each block area comprises a second sensing electrode block and a wire; each first induction electrode block and each second induction electrode block are connected with the touch chip through the wires; the second induction electrode blocks are equal in area and unequal in shape. The touch panel provided by the utility model is good in touch sensitivity and consistency of touch data, simple in manufacturing process, low in cost and suitable for mass production.

The utility model relates to an electronic cigarette with a distance touch function, which comprises an electronic cigarette body with a main control board, a display screen arranged on the electronic cigarette body and a non-contact touch component, and the display screen is connected with the main control board; the non-contact type touch control assembly comprises a capacitance induction electrode layer arranged on the side, close to user operation, of the display screen, and the capacitance induction electrode layer is configured to induce capacitance changes generated when a finger approaches. The capacitive sensing electrode layer is electrically connected with the main control board, and the main control board can detect capacitance changes of the capacitive sensing electrode layer so as to recognize air touch operation of fingers. According to the utility model, an air touch function is provided for a common display screen of the electronic cigarette, the current situation that a traditional electronic cigarette screen lacks touch interaction experience is changed, and the interactivity is enhanced; and a resistor or a capacitive touch screen with higher cost does not need to be additionally configured, and a capacitive sensing electrode layer is directly added on a common display screen to realize an air touch function, so that the cost investment is reduced from the aspect of hardware configuration.

The application belongs to the technical field of capacitive sensing detection, and discloses a metal structure contact detection device and method based on capacitive sensing. The device comprises an elongated sensing electrode and an insulating sheath wrapping the electrode, the sheath forms an exposed sensing area only at one main surface and is configured to be mounted on the metal structure. The application effectively suppresses the motion interference of the metal component and the liquid bridging interference through the geometric constraint design of double isolation protection, significantly improves the reliability and accuracy of the human contact signal detection in the metal structure environment, and has the advantages of simple structure, low cost, easy installation and maintenance.

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.

The embodiment of the application provides a novel capacitive infrasound sensor and an infrasound detection method, and belongs to the technical field of pipeline leakage detection. The novel capacitive infrasound sensor is characterized in that the novel capacitive infrasound sensor comprises: a detection cavity, which is connected with a pipeline to be detected through an acoustic sampling channel and is used for sensing infrasonic pressure pulsation caused by pipeline leakage; a reference cavity, which is connected with an external environment through a micropore array to form a pressure relief path with a preset time constant and is used for providing a stable reference pressure in a low frequency band; a capacitive sensing unit located between the detection cavity and the reference cavity, which is used for converting a differential pressure change between the detection cavity and the reference cavity into an electric signal; and a chopping demodulation circuit connected with the capacitive sensing unit, which is used for inhibiting low-frequency noise and DC drift in a demodulation process and obtaining a stable infrasound signal output. The scheme of the application realizes high-fidelity introduction of an infrasound signal for pipeline leakage detection while ensuring safety and reliability.

The invention discloses a capacitance sensing self-adaptive adjusting seat which comprises a seat body, the seat body comprises a backrest, a cushion and a headrest, a shoulder module is arranged at the position, close to the shoulder of a passenger, of the backrest, the headrest is installed on the backrest, and the shoulder module and the headrest are driven by a shoulder driving mechanism and a headrest driving mechanism to move; a plurality of capacitance sensing units are arranged in a shoulder module or / and a headrest, the capacitance sensing units detect the positions of the head or / and the shoulders of a passenger and transmit the positions to a processing module, and the processing module combines the actual positions, input by a shoulder driving motor sensor and a headrest driving motor sensor, of the headrest or the shoulders. And an instruction is sent to the shoulder driving mechanism and the headrest driving mechanism to execute up-down or left-right adjustment of the headrest or the shoulder module. The invention further discloses a control method of the seat, and the seat has the following characteristics that 1, the self-capacitance principle is adopted, the structure is simpler, and installation and arrangement are more convenient; and 2, large capacitance change can be generated by slight touch.

The invention relates to the technical field of water level detection, in particular to an intelligent parameter checking method and system of a water level sensor, a medium and equipment. The scheme comprises the following steps: arranging a non-contact distance capacitance change detection structure; an information collection module is arranged in advance, air gaps, plastic thickness data and insulator thickness are input online, and equivalent capacitance at the current moment is obtained online; correcting the equivalent capacitance according to a preset air gap to form a first corrected equivalent capacitance coefficient; correcting the equivalent capacitance according to a preset plastic thickness to form a second corrected equivalent capacitance; correcting the equivalent capacitance according to a preset insulator thickness to form a third corrected equivalent capacitance; and performing correction output according to the first correction equivalent capacitance, the second correction equivalent capacitance and the third correction equivalent capacitance, and outputting the water level height. According to the scheme, a built-in special capacitive sensing water level detection hardware circuit and a corresponding intelligent parameter checking algorithm are provided, and the detection precision is improved.

This application relates to access operations in a capacitive sensing NAND memory. The memory can include a non-volatile memory cell, a capacitor selectively connected to the non-volatile memory cell, a field effect transistor having a channel capacitively coupled to the capacitor, and a controller for accessing the non-volatile memory cell and configured to cause the memory to increase a voltage level of the electrode of the capacitor, selectively discharge the voltage level of the electrode of the capacitor through the non-volatile memory cell in response to a data state stored in the non-volatile memory cell, and determine whether the field effect transistor is activated in response to a remaining voltage level of the electrode of the capacitor.

Systems and methods for determining a fold angle of a foldable touch screen device are disclosed. The foldable touch screen device includes a capacitive touch screen element, where the capacitive touch screen element is a flexible touch screen element that is foldable at a folding region. A capacitance value is received from a capacitive touch screen element. The received capacitance value is indicative of proximity of a conductive object to the capacitive touch screen element. And determining a folding angle of the foldable touch screen equipment at least partially according to the capacitance value.

1. Name of the product in this design: Capacitive Liquid Sensor. 2. Application of this design: This design is used for capacitive sensing elements in liquid sensors. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design.