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Class Information
Number: 324/658
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Lumped type parameters > Using capacitive type measurement
Description: Subject matter including the measuring of a property of an element, device or circuit which relates to its capacity to store electrical energy by means of an electric field.

Sub-classes under this class:

Class Number Class Name Patents
324/663 Where a material or object forms part of the dielectric being measured 530
324/686 With a capacitive sensing means 507
324/679 With comparison or difference circuit 270
324/684 With compensation means 109
324/681 With frequency signal response, change or processing circuit 137
324/659 With loss characteristic evaluation 45
324/683 With phase signal processing circuit 100
324/676 With pulse signal processing circuit 114
324/661 With variable distance between capacitor electrodes 328
324/660 With variable electrode area 186

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8710961 Anti-fake battery pack and identification system thereof Apr. 29, 2014
8704536 Lateral displacement and rotational displacement sensor Apr. 22, 2014
8691323 Method and apparatus for monitoring and controlling the application of performance enhancing materials to creping cylinders Apr. 8, 2014
8692563 Methods and circuits for measuring mutual and self capacitance Apr. 8, 2014
8692565 Capacitive proximity sensor and proximity sensing method Apr. 8, 2014
8694084 Non-contact biopotential sensor Apr. 8, 2014
8688330 Operator control method and operator control device for a vehicle Apr. 1, 2014
8686744 Precision measurement of capacitor mismatch Apr. 1, 2014
8686740 Calibration method for inertial drive actuator, and inertial drive actuator device Apr. 1, 2014
8686735 Input device receiver path and transmitter path error diagnosis Apr. 1, 2014
8680876 Dynamic quantity detecting member and dynamic quantity detecting apparatus Mar. 25, 2014
8680877 Touch sensing apparatus and method for detecting approach Mar. 25, 2014
8674709 Circuit and method for measuring capacitance value of touch screen Mar. 18, 2014
8674710 Capacitive occupant detection apparatus Mar. 18, 2014
8669771 System and method for providing electromagnetic imaging through electroquasistatic sensing Mar. 11, 2014
8659303 Occupant detection sensor testing apparatus and method Feb. 25, 2014
8653830 Optically stimulated differential impedance spectroscopy Feb. 18, 2014
8653834 Input device with floating electrodes having at least one aperture Feb. 18, 2014
8647821 Method and apparatus for combined electrochemical synthesis and detection of analytes Feb. 11, 2014
8648613 Control device and method for triggering person protecting device Feb. 11, 2014
8643386 Electromagnetic wave information detection apparatus and electromagnetic wave information detection method Feb. 4, 2014
8643469 Access control system, and closing mechanism Feb. 4, 2014
8643619 Continuous time correlator architecture Feb. 4, 2014
8638112 Input device based on voltage gradients Jan. 28, 2014
8638107 Transcapacitive sensor devices with ohmic seams Jan. 28, 2014
8638086 Method allowing the detection and display of objects located behind an obscuring surface Jan. 28, 2014
8633712 Electronic device and operation detection method Jan. 21, 2014
8633714 Impedance detecting circuit and impedance detection method Jan. 21, 2014
8633715 Proximity detection system Jan. 21, 2014
8629683 Touch-sensitive sensor arrangement including a planar-shaped element having a conductive layer and a number of connecting points that are each arranged in an edge area of the element and con Jan. 14, 2014
8629682 Relating to diagnostics of a capacitive sensor Jan. 14, 2014
8624608 Capacitance detecting device Jan. 7, 2014
8624852 Semiconductor device for determining whether touch electrode is touched by human body, and touch sensor using the semiconductor device Jan. 7, 2014
8624979 Monitoring apparatus for television Jan. 7, 2014
8618819 Capacitance detector Dec. 31, 2013
8619058 Electrostatic capacity type touch sensor for detecting a large number of touch positions with a small number of detection electrodes Dec. 31, 2013
8614690 Touch sensor panel using dummy ground conductors Dec. 24, 2013
8614086 Quality control methods for the manufacture of polymer arrays Dec. 24, 2013
8610443 Attenuator circuit of a capacitance-sensing circuit Dec. 17, 2013
8610591 Method and arrangement for monitoring the bearing currents in an electrical machine Dec. 17, 2013
8604774 Current sensing circuit with feedback control and dual capacitor set range setting Dec. 10, 2013
8604808 Indicator position detecting device and indicator position detecting method Dec. 10, 2013
8604809 Current sensor capacity measuring system Dec. 10, 2013
8598893 Pressure sensor comprising a capacitive cell and support device comprising said sensor Dec. 3, 2013
8598892 Method for detecting detachment of a reinforcing component Dec. 3, 2013
8593159 Switching configuration for determining the capacitance of a capacitive sensor element Nov. 26, 2013
8593160 Apparatus and method for finger activity on a fingerprint sensor Nov. 26, 2013
8593161 Contact detection apparatus and pinch prevention apparatus Nov. 26, 2013
8587327 Cable installation using induction Nov. 19, 2013
8587328 Automatic characterization of an actuator based on capacitance measurement Nov. 19, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13

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