270 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.

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.

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.

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.

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 chess set includes a plurality of conductive chess pieces, a chessboard having a playing surface, and an electronic system. The electronic chess set includes a capacitive sensing system configured to detect a user's contact with any of the plurality of conductive chess pieces located on the playing surface and a resonant electromagnetic frequency identification system configured to scan the playing surface for information concerning an identification of each of the plurality of conductive chess pieces located on the playing surface. The electronic chess set includes a processor that identifies, using a combination of information provided by the capacitive sensing system and the information provided by the resonant electromagnetic frequency identification system, locations of all pieces remaining on the playing surface immediately following a move completed by the user.

This invention provides a time-setting method and related equipment for a watch, comprising: acquiring time-setting signal data; determining the hour hand calibration position information and minute hand calibration position information set on the watch based on the calibration signal, wherein the hour hand calibration position information and minute hand calibration position information are respectively detected by capacitive sensing detection channels located at different scale positions; and driving the corresponding hour hand and minute hand to rotate from their respective calibration positions to the positions corresponding to the target time signal based on the hour hand calibration position information, minute hand calibration position information, target time signal, and preset rotation angle. By setting a single calibration position for the hour hand and minute hand respectively and using capacitive sensing detection, independent "return to zero" and target time synchronization control of the two hands are achieved, avoiding the circuit complexity and power consumption caused by multi-zone detection of the entire dial; and fine-tuning and backlash compensation can be performed by combining the preset rotation angle and capacitance change, improving stopping accuracy and time-setting efficiency.

The invention discloses an intelligent security and protection system with multimode control integrated with single cable transmission and a control method, and belongs to the technical field of intelligent access control, the system integrates multiple door opening modes such as mechanical keys, capacitive sensing, Bluetooth authorization and traditional card swiping / password through a single door controller, and gives consideration to both physical operation and non-contact intelligent verification; a single-cable technology is adopted, power supply and data transmission are realized through a single network cable, the traditional multi-cable layout is replaced, and the construction complexity is simplified. The single-door controller adopts a layered architecture design; an emergency trigger structure is arranged in a panel protection layer, so that quick unlocking and linkage alarming can be realized by knocking; the core circuit layer is integrated with a wireless communication module, supports mobile terminal local management and cloud remote configuration, and can be linked with a fire-fighting and monitoring system in real time. The system has high reliability and flexible expansibility, greatly reduces the wiring cost and the equipment failure rate through a standardized interface and modular design, and realizes the organic unification of convenient installation, multi-element control and safety protection.

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