213 results about "Capacitive transducer" patented technology

A vehicle steering system includes a steering operation member configured to receive a steering operation, a capacitive sensor provided in the steering operation member, a controller configured to determine that a driver is gripping the steering operation member in a case where capacitance of the capacitive sensor is equal to or more than a first threshold and determine that the driver is not gripping the steering operation member in a case where the capacitance of the capacitive sensor is less than the first threshold, and a notification device configured to give a notification in a case where the controller determines that the driver is not gripping the steering operation member. The notification device is configured to give the notification in a case where the capacitance of the capacitive sensor decreases after increasing to exceed the first threshold and then remains at the first threshold or more.

A device for measuring a pressure differential comprises a tube, at least one pressure sensor and a processor. The tube comprises a closed insertion portion for insertion into a body, the insertion portion having an insertion end and an internal bore in communication with ambient pressure via an opening in the tube. The sensor is located in or on the insertion portion and comprises an internally facing region in communication with the bore and an externally facing region in communication with an exterior of the tube. The processor is configured to provide a stimulus, which may be an electrical stimulus, to the pressure sensor so that when the stimulus is provided, the pressure sensor provides a measurable response wherein the processor correlates the response with the pressure differential between the exterior of the tube and the bore. The measurable response may be indicative of a change in pressure differential between the exterior of the tube and the bore. There may be a plurality of pressure sensors, in which case at least two of the sensors may have different resonant frequencies at the same pressure differential. The insertion portion may comprise at least one aperture sealed by at least one pressure sensor. The pressure sensor may comprise an electromechanical or micro-electromechanical material and may comprises a piezoelectric and / or electrocapacitive sensor. The externally facing region of the pressure sensor may comprise a coating, which may be electrically insulative.

The utility model discloses a high-density deployment noise monitoring micro-station in the technical field of noise monitoring, which comprises a capacitive sensor, a preamplifier, an ADC (analog to digital converter) circuit, an AGC (automatic gain control) circuit, an MCU (microprogrammed control unit) system and a wireless communication module. The pre-amplifier is used for amplifying an analog signal according to a certain multiple, the ADC circuit is used for the analog-to-digital conversion circuit and converting an analog electric signal into a digital electric signal, the AGC control circuit is used for the automatic gain control circuit, and the MCU system is used for processing, operating and storing received data and controlling an AGC amplification multiple and a communication mode. The wireless communication module is used for transmitting data processed by the micro-station MCU system through a long-distance wireless communication technology or receiving external data, low power consumption and miniaturization of the noise monitoring station are achieved through combination of all aspects, the noise monitoring station can be conveniently installed on any fixable places such as a wall, a trunk and an electric pile, and high-density deployment is achieved.

A capacitance sensor 1A comprises: a decorative layer 21 having a three-dimensional shape; and a wiring assembly 3 joined to the decorative layer 21. The wiring assembly 3 comprises: a molded base member 4 that has a three-dimensional shape and is joined to the decorative layer 21; and a wiring board 5 that has a circuit part 5a in which an electric circuit is formed, and that is stacked onto the molded base member 4 so as to face the inner surface 21b of the decorative layer 21. The circuit part 5a is not joined to the decorative layer 21.

An analyte in a liquid sample is detected using a capacitive sensor having electrodes and a sensor surface, and a signal processor. The sample is dried to reduce its liquid content, and capacitive measurements are made after the drying and preferably also before the drying. The sample may include particles, and the analyte is part of or attached to the particles, and the particles provide a major part of the capacitance change compared to absence of particles. In another example the particles are degenerative and form an integral mass upon application of heat, enhancing the extent of capacitance change.

Methods and devices for detecting a user interaction with an at least one edge of the device are disclosed. The device has a touchscreen with a capacitive sensor and a processor. The method includes acquiring a sequence of input frames from the capacitive sensor, a given input frame comprising information about capacitive readings of the capacitive sensor along an at least one edge of the touchscreen, and continuously detecting the user interaction with the at least one edge of the electronic device using the sequence of input frames.

A method may include measuring a first side capacitance value from a first side capacitor of an infusion pump, measuring a second side capacitance value from a second side capacitor of the infusion pump, and measuring a central capacitance value from a central capacitor of the infusion pump. The method may include determining a total side capacitance value by totaling the first side capacitance value and the second side capacitance value. The method may also include comparing the total side capacitance value with the central capacitance value. The method may also include detecting the presence of air within a fluid delivery tube coupled to the infusion pump when the central capacitance value is different from the total side capacitance value. Related methods and articles of manufacture, including apparatuses and computer program products, are also disclosed.

An aerosol generation device for consuming an aerosol generation substrate includes a housing and a control unit, the housing having an outer layer having an elastically deformable area, and the control unit including: a printed circuit board having a plurality of electrical transmission lines for electrically connecting components thereon, and a capacitive sensor component arranged on the printed circuit board.

System (100) comprising the following: a telematics control unit (114) and a control unit (108) connected to the telematics control unit (114) and several capacitive sensors (106), which is configured, to access notification settings (116) to determine a mobile device (118) to notify of a rain situation identified using the sensors (106); to instruct the telematics control unit (114) to send a rain warning to the mobile device (118) to receive confirmation to perform rain situation actions; To close vehicle doors in response to receiving confirmation; and to instruct the telematics control unit (114) to send a closing confirmation (608) indicating the rain situation actions performed to the mobile device (118); a vehicle control unit display (502) wherein the telematics control unit (114) is configured to display a user interface (500) for configuring the notification settings (116) on the vehicle control unit display (502) and to update the notification settings (116) in response to an input into the user interface (500); setting the notification settings (116): (i) which of the vehicle openings are to be closed in response to receiving the confirmation and (ii) which vehicle doors are to be unlocked in response to receiving the confirmation.

An electronic module for a metered dose inhaler comprises a housing (10) having a front wall (13) configured to face a rear side (6a) of a housing (6) of the metered dose inhaler (2), a rear wall (16) opposite the front wall (13), and a side wall (17) extending between the front wall (13) and the rear wall (16). An electronics unit (11) is mounted inside the housing (10) and comprises a capacitive proximity device (29) with a capacitive sensor antenna (30). The capacitive sensor antenna (30) is disposed against or near an inner surface of a rear wall (16) and / or a side wall (17) of the housing (10).

The invention discloses a glass drawing process thickness monitoring method and system based on a capacitive sensor, and relates to the technical field of glass manufacturing process monitoring, and the method comprises the steps: obtaining an original capacitance signal, a sensor temperature and a drawing speed through a capacitive sensor array; performing temperature compensation on the original capacitance signal; establishing spatial electric field intensity distribution according to the compensated capacitance value difference and converting the spatial electric field intensity distribution into thickness distribution data; calculating a thickness difference value of adjacent positions and determining an abnormal thickness position; calculating the moving time of reaching the heating area according to the abnormal position coordinates; and determining the power adjustment amplitude according to the thickness difference value, and adjusting the heating power at the corresponding moment. According to the invention, high-precision continuous monitoring and automatic regulation and control in the glass drawing process are realized, and the stability of product quality is improved.

A proximity deciding device includes: a capacitive sensor electrode covered with a cover having a manipulation surface; a measurement circuit that measures capacitance between the capacitive sensor electrode and an indicating body; a proximity deciding unit that makes a decision as to whether a proximity state is in progress according to a difference obtained by subtracting a reference value from the capacitance; and a correcting unit that corrects the reference value. The correcting unit stores, in a storage unit, a lower limit, for accumulated inputs, based on the reference value before the proximity state; calculates, in the proximity state, a cumulative value for a change of the capacitance; updates the reference value according to a cumulative input value (cumulative value or lower limit); and sets the cumulative input value to the cumulative value or lower limit according to whether the cumulative value is larger or smaller than the lower limit.

The invention discloses a skin flap transplantation post-operation blood supply disorder dynamic monitoring device based on an MEMS capacitive sensor and a using method, the device comprises a fitting layer and a sensor layer, the fitting layer is of a three-layer structure, and stable fitting and biocompatibility of the device and a skin flap area are achieved; the sensor layer comprises a signal monitoring module and a signal transmission module, the signal monitoring module forms an array by a plurality of capacitive sensing units, and skin flap tissue swelling is converted into a capacitance signal with position identification through the MEMS parallel plate capacitance principle; after being processed and converted, the capacitance signal is wirelessly transmitted to external equipment through low-power-consumption Bluetooth. And medical personnel judge the blood supply disorder and the occurrence area after the skin flap operation based on the capacitance signal change trend. The device disclosed by the invention integrates miniaturization and integration, can monitor in real time, reduces manpower consumption, provides data support for early intervention of blood supply disorder, and is suitable for post-operation clinical monitoring of skin flap transplantation.

The application relates to the technical field of clothes processing devices, and in particular relates to a clothes processing device. The clothes processing device comprises a box body, and the box body is internally provided with an outer drum, a water containing cavity is formed in the outer drum, an inner drum is rotatably arranged in the water containing cavity, a washing cavity is formed in the inner drum, an overflow pipeline is provided, the overflow pipeline is provided with an overflow inlet and an overflow outlet, the setting position of the overflow outlet is higher than that of the overflow inlet, the overflow inlet is communicated with the top of the water containing cavity, the overflow pipeline is used for discharging overflow water, a capacitive sensor is arranged on the outer drum, the setting position of the detection part of the capacitive sensor is lower than that of the overflow outlet, the capacitive sensor is used for detecting whether foam in the outer drum is located at a preset height, and the minimum distance between the overflow outlet and the detection part of the capacitive sensor in the height direction of the box body is 10-50 mm. The application is beneficial to preventing the overflow of foam from the outer drum and can guarantee the washing effect on clothes.

An intelligent fluid monitoring cup system for healthcare settings comprises a cup body with at least 750mL capacity, double handles, and a twist-on lid providing rotational access for patients with limited mobility. The system incorporates a capacitive sensor capable of detecting fluid level changes less than 0.5mm, providing sub-millimeter precision measurement. A computing device with integrated screen displays real-time fluid intake data, NPO status indicators, and remaining allowances. The system features direct integration with hospital electronic medical records via HL7 / FHIR interoperability standards, barcode patient-device association, and nurse verification workflows. Hospital-grade hygiene protocols include sterilizable shells or disposable liner systems for multi-patient clinical environments.

Wristwatch comprising a front (1) made of natural wood with at least partial light transmission, a light display (3) arranged behind the front (1), a capacitive sensor (2) designed to detect a touch of the wooden front (1), and a microcontroller (5) connected to the capacitive sensor (2) and the light display (3), wherein the light display (3) is visible through the wooden front (1) and can be activated by a signal from the capacitive sensor (2).

1. The name of the design product: Capacitive sensor (CE06X). 2. The use of the design product: Capacitive sensor for detecting metal, non-metal, liquid and other media. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

An apparatus for use at an inventory location stowing items comprises an array of sensor elements. Each sensor element comprises a plurality of conductive elements that may be driven as a self-capacitance sensor. A set of one or more sensor elements may be associated with a particular lane. Based on the changes in self-capacitance values and the association, the lane a user interacted with may be determined. The determination of the set of sensor elements associated with a particular lane may be determined during a setup process. During operation, the conductive elements may be driven to compensate for changes in the self-capacitance resulting from temperature changes resulting from changes in ambient temperature or the items. Compensated capacitance data may be used to determine interaction data, count of items in the lane, and so forth. Sensor elements at one or both ends of a lane may be used to disambiguate interactions.

Heating or household appliance (48) with an operating system (14) comprising an operating unit (10) having a control panel (16) for user inputs, and comprising a capacitive sensor element (12), wherein a cover position of a cover (18) can be determined by the sensor element (12) and the control panel (16) can be calibrated depending on the determined cover position, wherein the cover (18) is provided to at least partially cover the control panel (16) in at least one cover position, wherein the operating unit (10) is mounted in a receptacle (54), and wherein the operating unit (10) is designed to be removable from the heating or household appliance (48) for remote control.

The present disclosure is directed to an ice level sensor for an ice bin in an ice dispenser system. In one form, a system comprises an ice bin (120), a capacitive sensor (109), a system interface (106), and a processor (108). The sensor is positioned adjacent to the ice bin, and is configured to detect a presence of an ice nugget. The processor is configured to determine, during an ice dispensing operation of the ice dispensing system, whether the sensor generates a signal. When a number of consecutive ice dispensing operations during which the sensor generates a signal is equal to a threshold, the processor is configured to illuminate an indicator (136) of the system interface. When the number of consecutive ice dispensing operations during which the sensor generates the signal is not equal to the threshold, the processor is configured to refrain from illuminating the indicator of the system interface.

A power tool and methods are provided for detecting objects (e.g., flesh or other materials) in the operating path of a power tool's output component (e.g., saw blade or drill bit). An object detection sensor in the power tool generates an output signal indicative of a type of material detected in the operating path of the power tool. A power tool controller receives the object detection sensor output and determines when a material in the operating path of the power tool changes. The controller changes operation of a motor of the power tool (e.g., increasing or decreasing speed or stopping the motor) in response to the detected material change. The object detection sensor may include, for example, an RF sensor, a capacitive sensor, a camera, a conductivity probe, or an ultrasound probe.

Capacitive control unit (1) for a motor vehicle with a capacitive sensor element (31) designed as a self-capacitance sensor, which is designed to generate an electric field and to detect a change in the generated electric field, with a switching arrangement (10) which is designed to effect a change in the electric field when actuated by an operator (70), as well as with a cover element (20) having a visible side (21) and a back side (23), wherein the switching arrangement (10) is arranged on the visible side of the cover element (20) and the capacitive sensor element (31) is arranged on the rear or visible side of the cover element (20), wherein the switching arrangement (10) comprises a coupling electrode (11) coupled to the electric field, a sensor electrode (12) and at least two switching elements (40) as well as at least one coupling magnet (26) which is configured to magnetically fix the switching arrangement (10) at a predetermined position on the cover element (20). wherein the coupling electrode (11) is electrically connected to the switching elements (40) and these to the sensor electrode (12), which is capacitively coupled to a counter electrode (32) to stabilize a reference potential, wherein each of the switching elements (40) is assigned a predetermined capacitance (13, 14), so that when the respective switching element (40) is actuated by the coupling electrode (11) a change in the electric field can be effected which depends on the respective assigned capacitance (13, 14) and can be detected by the sensor element (31).

A capacitive sensor comprising a base plate (1) which is housed in a cover casing (2), the base plate (1) being electrically connected to terminals (5) of an external connector (3) by connection springs (4), wherein the connection springs (4) for connecting the base plate (1) to the terminals (5) are arranged in a spring holder (6), which establishes a guided coupling with the base plate (1), and the spring holder (6) with fasteners that establish a first interlock in the base plate (1) in a pre-assembly position with the connection springs (4) at rest, and a second interlock in a final operative fastening position with the connection springs (4) compressed inside the spring holder (6) by pushing the external connector (3) so that it closes on the cover casing (2).

An aerosol-generating device and a method of performing sensor calibration in an aerosol-generating device, comprising: providing a reference current for charging a capacitive sensor during a charging cycle of the capacitive sensor; acquiring a count value corresponding to a time required for full charging of the capacitive sensor in a case where the capacitive sensor is fully charged from the discharge voltage to the charge voltage by means of the reference current; judging whether the obtained count value is within a preset normal range, wherein the preset normal range comprises a reference count value which is normal in a state that the aerosol generating article is not inserted; and performing calibration of the sensitivity of the capacitive sensor by adjusting the level of the reference current supplied to the capacitive sensor when it is determined that the acquired count value exceeds the normal range.

An ostomy bag can include one or more sensors for measuring one or more metrics. An ostomy wafer can also include one or more sensors for measuring one or more metrics. The sensors can be temperature sensors and / or capacitive sensors, for example, and the metrics can include bag fill, leakage, skin irritation, and phase of stoma output, among others.

The invention discloses an adhesive tape for material thickness detection, the adhesive tape is used for being arranged between a heat conduction material and a chip, the adhesive tape comprises a layer of adhesive film, a layer of metal film and a signal connection structure connected with the metal film, one side of the adhesive film is adhered to the metal film, the other side of the adhesive film is provided with a detachable first protective film, and the signal connection structure is connected with the metal film. A detachable second protective film is arranged on the side, away from the adhesive film, of the metal film, the adhesive film is adhered to the chip after the first protective film is detached, the metal film is attached to the side, facing the chip, of the tested heat conduction material after the second protective film is detached, and the metal film and the metal heat dissipation structure on the other side of the tested heat conduction material form a capacitive sensor. The signal connection structure is connected with a signal processing module, and the signal processing module provides an excitation signal and detects and records a returned capacitance signal. According to the invention, non-destructive real-time on-line and in-situ detection of the thickness of the heat conduction material in the chip can be realized.

Actuating device (2) for triggering a function of a vehicle by a user comprising an operating area (4) for detecting a manual actuation by the user to trigger a function of the vehicle and a capacitive sensor (6) for detecting an approach and / or a touch by a user, wherein the sensor (6) comprises an electrically conductive sensor electrode (6), wherein the sensor electrode (6) is designed as a tubular body, in particular in the form of a hollow cylindrical body.

The invention relates to the technical field of air conditioner control, and discloses a heat exchanger ash deposition detection method which comprises the steps that the current capacitance change value of a capacitive sensor is obtained; and determining the current ash deposition thickness corresponding to the current capacitance change value according to a preset corresponding relationship between the capacitance change value and the ash deposition thickness. The capacitive sensor measures the dielectric property of a substance, and the dielectric constant of dust is related to the thickness and the density and is irrelevant to the size and the shape of particles and light conditions. Moreover, the measurement of the ash deposition thickness by the capacitive sensor does not depend on the emission and reflection of light, is not influenced by the change of ambient light, and can work stably even in an environment with strong light or weak light. Therefore, the dust deposition thickness on the surface of the heat exchanger is detected through the capacitive sensor, the influence of ambient light, dust color, physical characteristics of dust and reflectivity is reduced, and the accuracy of dust deposition thickness detection of the heat exchanger is improved. The invention further discloses a heat exchanger ash deposition detection device, an air conditioner and a computer readable storage medium.