187 results about "Capacitive sensing" patented technology

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 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.

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.

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 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.

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.

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.

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.

A capacitive button for an input device with a curved housing is provided. A button cap extends through an opening in the curved housing. A capacitive sensing electrode is mounted below the button. A conductive element extends from the capacitive sensing electrode into the button. The conductive element is shaped such that it is closer to a top surface of the button than a side surface of the curved housing.

The utility model discloses an atomization device, and belongs to the field of atomization equipment. The atomization device comprises a shell, a capacitive sensing element, a control element, a heating element, an atomization element and a lip sensing element, the control element, the heating element and the atomization element are all arranged in the shell, the heating element is located in the atomization element, the shell is connected with a suction nozzle, the lip sensing element is arranged on the suction nozzle and electrically connected with the control element, the heating element is electrically connected with the control element, and the capacitance sensing element is arranged in the shell wall of the shell. The control element is used for controlling the heating element to heat; under the condition that the capacitive sensing element senses that the outer wall of the shell is touched, the control element controls the heating element to heat according to a first temperature so as to preheat the atomizing element; and under the condition that the lip sensing element is in contact with the lip of the user, the control element controls the heating element to heat according to the second temperature so as to heat the atomizing element. According to the atomization device, the use experience of a user when the user uses the atomization device can be improved.

This invention discloses a hierarchical biomimetic multi-field coupled flexible capacitive sensor and its fabrication method, relating to the field of flexible capacitive sensing. The sensor comprises, from top to bottom, an upper electrode layer, a hierarchical biomimetic dielectric layer, a lower electrode layer, and a flexible substrate layer. The hierarchical biomimetic dielectric layer includes, from top to bottom, a tendon transition layer and a trabecular support layer. The tendon transition layer includes, from top to bottom, an arc beam layer and a load-bearing connection layer. The arc beam layer includes multiple arc beams arranged in parallel along a horizontal direction, with the protrusions of the multiple arc beams abutting against the upper electrode layer, and both ends of the multiple arc beams abutting against the load-bearing connection layer. The load-bearing connection layer abuts against the trabecular support layer. The trabecular support layer includes multiple hollow cylinders arranged in parallel along a horizontal direction, each cylinder having a hole in its wall. This invention achieves higher sensitivity in low-pressure regions while avoiding premature structural compaction in high-pressure regions, thereby significantly expanding the detection range.

A method for capacitive sensing is provided. The method comprises: obtaining, by a processing system and using a first set of electrodes from a plurality of electrodes of an input device, first resulting signals based on driving a second set of electrodes from the plurality of electrodes, wherein the first set of electrodes and the second set of electrodes are oriented on a same axis of orientation; obtaining, by the processing system, second resulting signals based on operating a third set of electrodes from the plurality of electrodes in an absolute capacitance sensing (ABS) scheme; and determining, by the processing system, a presence of moisture on a sensing region of the input device based on the first resulting signals and the second resulting signals.

Capacitive sensing apparatus and methods are disclosed for sensing changes in a substance in fluid processing apparatus. The sensing apparatus may operate as a fluid level / volume sensor, a phase sep

An integrated circuit includes a capacitive sensing circuit to receive signal values associated with a proximity distance to an object. A pair of low pass filters (LPFs) are coupled in parallel to the capacitive sensing circuit and include a first LPF configured with a low filtering rate and a second LPF configured with high filtering rate that is higher than that of the low filtering rate. Control logic is coupled to the pair of LPFs and estimates the proximity distance based on one or more filtered signal values received from the pair of LPFs. The logic causes the second LPF to filter the signal values while the proximity distance remains unchanged. The logic detects a change in the proximity distance beyond a threshold value. The logic causes the first LPF to filter a subsequent signal value received from the capacitive sensing circuit based on detecting the change.

This application relates to sensing line structures in capacitive sensing NAND memory. An array of memory cells can include: a data line; a source; a plurality of pass gates connected in series between the data line and the source; a plurality of cell column structures each having a respective plurality of series connected non-volatile memory cells connected in series with a respective plurality of series connected field effect transistors, wherein a channel of each non-volatile memory cell of its respective plurality of series connected non-volatile memory cells and a channel of each field effect transistor of its respective plurality of series connected field effect transistors are selectively connected to one another; and a plurality of backside gate lines each connected to the second control gate of a respective pass gate of the plurality of pass gates.

Natural stone panel with an integrated touch capacitive sensing system for placing as a touch detection facade, in direct contact with a wall, is disclosed. An embodiment includes: a natural stone tile; a printed sensing on said tile having a plurality of conductive tracks; a printed shielding on said tile having a plurality of conductive tracks; an insulating layer between the printed sensing layer and the wall; wherein the sensing tracks have been printed using a first ink, and the shielding tracks have been printed using a second ink, wherein electrical conductivity of the first ink is lower or equal than electrical conductivity of the second ink; wherein the printed sensing layer has two conductive zones, one square shaped, with an open interior, for detecting the touch events, and one rectangular shaped, to connect the control and power printed circuit board to the printed sensor.

A sensing mat for use in a capacitive sensing system includes a first substrate and a second substrate made from a nonconductive material. A first conductor is disposed on a surface of the first substrate and a second conductor is disposed on a surface of the second substrate. A first spacer is disposed between the first substrate and the second substrate and defines a plurality of holes extending through the first spacer. A second spacer is disposed between the first spacer and the second substrate. The sensing mat further includes a controller coupled to the first conductor and the second conductor, wherein the controller determines the presence of an object using a measure of a capacitance between the first conductor and the second conductor.

The invention provides a non-contact manual device detection method and system, and relates to the technical field of industrial automation control, the non-contact manual device detection method and system are applied to a capacitance sensing device, the capacitance sensing device comprises a capacitance sensing electrode, and the capacitance sensing electrode is arranged on the inner wall of a manual device of an electric control valve. Based on the actually measured capacitance value and a preset reference capacitance value, obtaining a capacitance variable quantity, obtaining a first count value and a second count value, based on the capacitance variable quantity, updating the first count value or the second count value, when the first count value or the second count value meets a corresponding preset condition, generating an operation state result, and based on the operation state result, generating an operation state corresponding to the first count value or the second count value. The electric control valve is controlled to execute the corresponding switching strategy, the technical problem that in the prior art, detection precision is insufficient due to the fact that detection is achieved through a mechanical structure or physical contact is solved, and the effect of improving the detection accuracy of the manual operation state of the electric control valve is achieved.

Capacitive sensing system, comprehensive: a sensor switching logic that includes detection lines and sensor channels; an acquisition switching logic that is operationally coupled with the sensor channels, wherein the acquisition switching logic is configured to receive captured signals from the sensor channels indicating one or more capacities at the sensor switching logic, and to provide accumulated spread-coded captured signals in response to the capture signals; and where the acquisition switching logic is configured: to spread-code each of the received captured signals for each channel by applying mutually orthogonal spreading codes, where each bit of a spreading code is either a logical zero or a logical one; and to accumulate spread-coded values ​​for each channel in response to one or more orthogonal spreading codes used to encode each channel; and a digital control system that is operationally coupled with the acquisition switching logic to determine a channel capacity measurement in response to the accumulated spread-coded values.

The invention relates to the technical field of display touch modules, in particular to an LED display touch module with an ITO touch function and a method. The module comprises an induction panel, a PCBA board and a shell. The induction panel is of a three-layer transparent structure (a display panel, an ITO touch layer and a cover plate), functional icons are arranged on the lower portion of the display panel, and the ITO touch layer is provided with a capacitance induction conductive area corresponding to the icons and is connected with an MCU of the PCBA board through a traceless transparent silver paste circuit. The PCBA board is integrated with an MCU and a double-color LED lamp. During working, the touch times correspond to LED lamp color switching. According to the invention, accurate touch control-display cooperation is realized, and the method has high durability, high optical performance and flexible adaptability, and is suitable for scenes of household appliances, industrial control and the like.