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Measuring Capacitance patents
|| List of recent Measuring Capacitance-related patents
|Method and apparatus to measure self-capacitance using a single pin|
A method for measuring capacitance in a sensor device using an internal reference circuit element(s), and without implementing additional circuitry and devices external to the sensor device, is described. In some embodiments a method uses an output pin of the sensor device and an internal reference capacitor of the sensor device to identify a touch applied to a touch point or electrode coupled to the touch sensor.
|Method for measuring capacitance and capacitive sensor unit|
A method measures a capacitance. According to the method, a first detection measurement for the capacitance which is to be measured is detected by a first measurement method during a first measurement phase.
|Device and method for determining a measuring capacitance|
A measuring device determines a measuring capacitance (cm), with a clock oscillator, which oscillates in a scanning frequency (fa), a measuring oscillator, which oscillates in a measurement frequency in dependence on a measuring capacitance (cm), and an edge counter, which counts the number of clock oscillations during a given number of measuring oscillations, wherein a circuit is provided for measurement refinement, wherein the circuit for measurement refinement is started by a measuring edge of a last scanned measuring oscillation and stopped by an equally oriented and immediately following edge of a subsequent clock oscillation.. .
|Capacitance detection in a droplet actuator|
The embodiments described herein provide methods of measuring capacitance, detecting a droplet at a position, determining a thickness of an oil film and determining temperature in a droplet actuator. Specifically, the capacitance detection method may be used as a real-time verification tool in order to detect the absence, presence, and/or partial presence of a droplet at an electrode, analyze droplet properties, measure droplet size or volume, optimize the speed of droplet operation and detect air bubbles..
|Sensor and method for detecting an object|
The invention relates to a sensor for detecting an object. The sensor includes a probe electrode for forming a measuring capacitance with the object to be detected, a charging generator for generating an alternating charging voltage, wherein the probe electrode is charged by means of the alternating charging voltage, an amplifier for amplifying a voltage across the measuring capacitance, wherein the amplifier includes a first supply connection and a second supply connection, electronic means for processing signals outputted at an output of the amplifier to form at least one output signal and at least one sensor output for outputting the at least one output signal.
|Capacitance measurement circuit and method for measuring capacitance thereof|
Provided are a capacitance measurement circuit and method. In the capacitance measurement circuit and method, a control unit generates a control code a predetermined number of times according to designated rules regardless of the level of a sensing signal, and the control code is changed to measure a capacitance value when the level of the sensing signal corresponding to the generated control code is determined to be normal.
|Circuit for measuring capacitance and parasitic resistance of a capacitor|
A measuring circuit includes a voltage converting circuit, a discharging and sampling circuit, a control circuit, and a charging circuit. The voltage converting circuit converts a voltage to a working voltage and outputs the working voltage to the discharging and sampling circuit.
|Touch sensor with force sensing|
In one embodiment, a touch sensor includes a panel, a plurality of sense electrodes underlying the panel, a plane of known potential underlying the plurality of sense electrodes, and a controller communicatively coupled to the plurality of sense electrodes. The controller is configured to determine whether an object has pressed the panel by: measuring capacitances at each of a plurality of sense electrodes across the panel, the capacitances associated with a distance between the plurality of sense electrodes and the plane of known potential, comparing the measured capacitances across the panel with one or more criteria associated with a deformation of the panel, and determining, based on the comparison, whether an object has pressed the panel..
|Touch sensing device and method thereof|
There are provided a touch sensing device and a method thereof. The touch sensing device, including: a plurality of sensing circuit units measuring capacitance variations from a plurality of sensing electrodes; at least one tdc circuit connected with the plurality of sensing circuit units to convert the capacitance variations into digital signals; a calculating unit judging a touch from the digital signals; and a delay circuit sequentially receiving the capacitance variations from the plurality of sensing circuit units..
|System and method for determining a number and position of one or more touches on a touch screen|
A method of determining a position and number of touches made on a capacitive touch screen device having capacitive touch sensor elements is provided. The method includes measuring capacitance values for each of the capacitive touch sensor elements, combining the capacitance values of each row of individual capacitive touch sensor to produce a horizontal sum of the capacitance values for each row, and combining the capacitance values of each column of individual capacitive touch sensor to produce a vertical sum of the capacitance values for each column.
|Apparatus and method for measuring capacitance in touch sensor|
An apparatus and method are provided to rapidly and accurately measure the variation of capacitance in a panel load of a touch sensor and thus increase touch sensitivity and noise resistance. The apparatus includes a panel driver configured to drive a panel load in the touch sensor according to a reference voltage, and a capacitive load detector configured to measure capacitance of the panel load by sensing a panel load driving current that is applied to the panel load by the panel driver..
|Measuring capacitance of a capacitive sensor with a microcontroller having an analog output for driving a guard ring|
A microcontroller measures capacitance of capacitive sensors having guard rings associated therewith. A guard ring is provided around each capacitive sensor plate and is charged to substantially the same voltage as a voltage on the associated capacitive sensor plate.
|Measuring capacitance of a capacitive sensor with a microcontroller having digital outputs for driving a guard ring|
A guard ring is provided around each capacitive sensor plate and charged to substantially the same voltage as a voltage on the capacitive sensor plate. The guard ring reduces parasitic capacitances of the capacitive sensor plate caused by differences in voltage potentials between the capacitive sensor plate, and adjacent circuit conductors, ground planes and power planes.
|Hybrid construction machine and method for measuring capacitance of electricity storage device of hybrid construction machine|
A hybrid construction machine includes: a measurement unit configured to measure a capacitance of an electricity storage device; and a monitoring unit configured to monitor a first condition in which an engine is driven, a second condition in which an adjustment value of a fuel adjusting unit adjusting an amount of fuel supplied to the engine is a predetermined value, and a third condition in which an operation unit and/or an upper swing body are locked and transmit a control signal for starting a measurement of the capacitance of the electricity storage device to the measurement unit when all conditions of the first to third conditions are satisfied.. .
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Measuring Capacitance topics: Measuring Capacitance, Guard Ring, Capacitive Sensor, Microcontroller, Capacitance Measurement Circuit, Control Code, Control Unit, Sampling Circuit, Microprocessor, Reference Voltage, Capacitive Touch, Touch Screen, Capacitive Touch Screen, Capacitive Touch Sensor, Touch Sensing
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