Entries |
Document | Title | Date |
20080197861 | METHOD OF AUTOMATICALLY TESTING AN ELECTRONIC CIRCUIT WITH A CAPACITIVE SENSOR AND ELECTRONIC CIRCUIT FOR THE IMPLEMENTATION OF THE SAME - A method for automatically testing an electronic circuit with a capacitive sensor having two capacitors is provided, wherein the common electrode of the capacitors moves relative to each fixed electrode. The electronic circuit includes a sensor interface that includes a charge transfer amplifier unit, an integrator unit connected to the amplifier unit to provide measurement output voltage, and an excitation unit. The excitation unit inversely polarizes each fixed electrode at high or low voltage or discharges the capacitors. The method includes several successive measurement cycles each divided into a first phase discharging capacitors by output voltage and a second phase for polarizing the fixed electrode of the first capacitor at high voltage and inversely polarizing the fixed electrode of the second capacitor at low voltage. In the measuring cycles, a test phase replaces a second polarizing phase in at least one cycle in every two successive measurement cycles. | 08-21-2008 |
20080204047 | Capacitive Sensor System - The present invention relates to a capacitive sensor system provided for a moving object | 08-28-2008 |
20080231290 | Capacitive Position Sensor - A capacitive position sensor has a periodic array of electrodes which form capacitors between pairs of the electrodes. The location of a dielectric inhomogeneity in the vicinity of the sensor is determined by comparison of the relative change in the capacitance of the capacitors. The comparison may be carried out using a capacitive Wheatstone Bridge arrangement. The sensor configuration has the advantage that it is independent of the absolute value of the dielectric constant of the environment in which the sensor is located. | 09-25-2008 |
20080252303 | CAPACITANCE DETECTING APPARATUS - A capacitance detecting apparatus includes: a first on/off switch; a first reference capacitor; a second on/off switch; a third on/off switch; a first sensor electrode; a fourth on/off switch; a second reference capacitance; a fifth on/off switch; a sixth on/off switch; a second sensor electrode; a comparator; switch controlling means for alternately repeating a second switch operation and a third switch operation following a first switch operation; counting means for counting a number of times for repeating the second switch operation; and judging means for judging changes in capacitances related to the first and second sensor electrodes, based upon the number of times for repeating the second switch operation counted by the counting means before a level of voltage at the first input terminal and a level of voltage at the second input terminal are reversed. | 10-16-2008 |
20090051371 | CAPACITANCE TYPE SENSOR - A capacitance type sensor good in operability and less in erroneous operation is provided. Switches SW | 02-26-2009 |
20090066345 | SENSOR HAVING ORGANIC FIELD EFFECT TRANSISTORS - A force sensor based on an organic field effect transistor applied on a substrate is disclosed. In one embodiment, a mechanical force acting on the transistor causes a change in its source-drain voltage or its source-drain current which corresponds to said force and which can in each case be detected as measurement quantity for the acting force, a diaphragm-based pressure sensor that uses a force sensor of this type, a one- or two-dimensional position sensor that uses a multiplicity of force sensors of this type, and a fingerprint sensor that uses a multiplicity of such force sensors. | 03-12-2009 |
20090184723 | CAPACITANCE DETECTION CIRCUIT INCLUDING VOLTAGE COMPENSATION FUNCTION - A capacitance detection circuit that compensates for the fluctuation of a reference voltage with a simple structure. A C-V circuit for a sensor element generates a detection signal by amplifying a capacitance change value of the sensor element by a predetermined gain based on a reference voltage. A voltage compensation circuit, which is connected to the C-V circuit and supplies a reference voltage to the C-V circuit, reduces the gain relative to a deviation amount when the reference voltage fluctuates by a predetermined deviation amount. | 07-23-2009 |
20090201031 | CAPACITANCE TYPE SENSOR - A capacitance type sensor good in operability and less in erroneous operation is provided. Switches SW | 08-13-2009 |
20090219036 | Micromechanical Microwave Power Meter - A micromechanical sensor for measuring millimetric wave or microwave power, which sensor comprises a wave line for conducting the millimetric or microwave power and a part arranged to move and a fixed electrode, in such a way that the capacitance (C) between the part that is arranged to move and the fixed electrode couples to the wave power advancing in the wave line. According to the invention, the capacitance (C) between the part that is arranged to move and the fixed electrode is divided into at least two portions (C/n), which are located at a distance from each other, in such a way that the wave power advancing in the wave line couples to the portions (C/n) of the capacitance (C) consecutively and experiences the inductive load between the portions (C/n) of the capacitance (C). Thus the frequency band of the sensor can be substantially broadened and the reflective coefficient can be kept reasonably small. | 09-03-2009 |
20090284270 | METHOD OF DETERMINING CONTACT POSITION IN ELECTRONIC APPARATUS - There is provided a method of determining a contact position in an electronic apparatus including a plurality of capacitance sensing circuits that measures changes in capacitance and outputs capacitance measuring signals and a plurality of light sensing circuits that measures light intensities of incident light and outputs light measuring signals. The method includes acquiring the capacitance measuring signals by sequentially scanning the plurality of capacitance sensing circuits, determining whether a target object is in contact with a contact surface based on the acquired capacitance measuring signals, acquiring the light measuring signals by sequentially scanning the plurality of light sensing circuits after the target object is determined to be in contact with the contact surface in the determining of whether the target object is in contact with the contact surface, and determining a position of the contact surface, with which the target object is in contact, based on the acquired light measuring signals. The acquiring of the capacitance measuring signals and the determining of whether the target object is in contact with the contact surface are repeated until the target object is determined to be in contact with the contact surface in the determining of whether the target object is in contact with the contact surface. | 11-19-2009 |
20090309613 | Anti-Capture Method and Apparatus for Micromachined Devices - A MEMS device has a movable beam, a differential capacitor with a movable electrode that moves in response to the displacement of the movable beam and that is disposed between two stationary electrodes, and a voltage circuit for applying a first voltage to the first stationary electrode, second voltage to the second stationary electrode, and a third voltage to the movable electrode. The MEMS device also has a monitor operably coupled with the movable beam to monitor the displacement of the movable beam. In some embodiments, the monitor may monitor the distance between the movable electrode and at least one of the stationary electrodes. The MEMS device further has a voltage reducing circuit operatively coupled with the monitor, the movable electrode, and the stationary electrodes. The voltage reducing circuit reduces the differential between the third voltage and the voltages on the stationary electrodes when the monitor detects that the displacement of the movable beam is greater than or equal to a threshold value. | 12-17-2009 |
20090315570 | CAPACITIVE SENSING DEVICE - A capacitive sensing device including a substrate, a sensor electrode disposed over the substrate, a first trace electrically coupled to the sensor electrode, and a second trace proximate the first trace. The second trace is for distinguishing proximity of an object with the sensor electrode from proximity of the object with the first trace. | 12-24-2009 |
20100013499 | IN-MOLDED CAPACITIVE SENSORS - In a method for forming an in-molded capacitive sensing device a plastic film is provided, the plastic film comprising a first side and a second side. A capacitive sensor pattern is disposed on at least a portion of the second side, the capacitive sensor pattern including a region for facilitating electrical contact. A resin layer is printed over a portion of the capacitive sensor pattern such that access to the region for facilitating electrical contact is maintained. A plastic layer is injection molded onto a portion of the resin layer such that the capacitive sensor pattern becomes in-molded between the plastic film and the plastic layer while access to the region for facilitating electrical contact is maintained. | 01-21-2010 |
20100026319 | SENSOR DEVICE, AND PORTABLE COMMUNICATION TERMINAL AND ELECTRONIC DEVICE USING THE SENSOR DEVICE - A sensor device for detecting a positional relationship between a first member and a second member, includes a first electrode provided on a surface of the first member and supplied with an alternating signal of a first frequency, a second electrode provided on a surface of the second member and supplied with an alternating signal of a second frequency, and a beat detector which detects a beat frequency component corresponding to a difference between the first and second frequencies indicative of the positional relationship between the first member and the second member, when the positional relationship between the first and second members changes to cause the first electrode to approach the second electrode. | 02-04-2010 |
20100102830 | Physical Force Capacitive Touch Sensor - A physical force capacitive touch sensor comprises a capacitive sensor element on a substrate, a physically deformable electrically insulating spacer over the capacitive sensor element, and a conductive plane over the physically deformable electrically insulating spacer that is substantially parallel to the capacitive sensor element. The conductive plane is connected to a power supply common and/or grounded to form a capacitor with the capacitive sensor element and for improved shielding of the capacitive sensor element from electrostatic disturbances and false triggering thereof. A protective cover may be placed over the conductive plane to act as an environmental seal for improved physical and weather protection, but is not essential to operation of the capacitive touch sensor. | 04-29-2010 |
20100127715 | SEMICONDUCTOR PHYSICAL QUANTITY SENSOR AND CONTROL DEVICE USING THE SAME - A highly reliable semiconductor physical quantity sensor whose performance does not change much over time is provided. In the semiconductor physical quantity sensor, movable electrodes which can be displaced by applying a physical quantity are initially displaced using an electrostatic force, and the movable electrodes are used to detect the direction and magnitude of a physical quantity applied to the semiconductor physical quantity sensor. The semiconductor physical quantity sensor is highly reliable and its performance does not change much over time compared with semiconductor physical quantity sensors using a known method in which movable electrodes are initially displaced using a compressive stress film. | 05-27-2010 |
20100148802 | CAPACITANCE-TYPE ENCODER - A capacitance-type encoder comprising a stator, a movable element, an excitation device and a signal processing device to obtain position data with low power-consumption. The stator has excitation-electrode sets electrically independent and displaced to have phase differences from each other to form a predetermined number of excitation-electrode groups. The movable element has connection electrodes having the same number as the excitation-electrode groups. The excitation device simultaneously applies a first pair of positive and negative pulse voltages respectively to two of the excitation-electrode sets having a phase difference of 180 degrees, and then simultaneously applies a second set of positive and negative pulse voltages respectively to the rest of the excitation-electrode sets. The signal processing device determines which one of four divided regions the movable element is positioned in based on a combination of detection signals when the first and second pairs of pulse voltages are applied respectively. | 06-17-2010 |
20100231237 | ELECTRONIC CIRCUIT WITH A CAPACITIVE SENSOR FOR MEASURING A PHYSICAL PARAMETER AND METHOD OF ACTIVATING THE ELECTRONIC CIRCUIT - The electronic circuit ( | 09-16-2010 |
20100295560 | Scanning Impedance Microscopy (SIM) To Map Local Impedance In A Dielectric Film - A scanning impedance microscopy device maps out local impedance in a dielectric film sample. This may be used to detect conductive filaments in a dielectric film, to characterize semiconductor interfaces, and to be used a reading scheme for resistive change memory such as RRAM. | 11-25-2010 |
20110006788 | OCCUPANT CLASSIFICATION SYSTEM FOR VEHICLE - The present invention features an occupant classification system for a vehicle. Preferably, the occupant classification system includes a heater located below a seat cover; and an occupant classification sensor provided above the heater to detect an occupant. Preferably, the occupant classification sensor includes two electrodes arranged in parallel to each other on one plane. | 01-13-2011 |
20110050254 | MOTION SENSOR - A motion sensor includes a base, a first capacitance electrode, and a second capacitance electrode. The first capacitance electrode is received within the base and comprises first capacitance electrode sheets. The second capacitance electrode is received within the base and aligned with the first capacitance electrode to form a capacitance, and comprises second capacitance electrode sheets facing and being aligned the middle group of the first capacitance electrode sheets. The capacitance is changed when the second capacitance electrode sheets stray from the corresponding first capacitance electrode sheets. | 03-03-2011 |
20110115500 | OCCUPANT DETECTION AND CLASSIFICATION SYSTEM - An occupant detection system includes a controller, a sensing electrode, and a shield electrode, the electrodes disposed in a vehicle seat. The controller is electrically coupled to the sensing electrode and shield electrode by a sensing circuit. The controller is configured to send an input signal to the sensing electrode, the shield electrode, or both and measures current, impedance, or capacitance values to determine the presence of an object on the seat, to classify the object, or both. | 05-19-2011 |
20110115501 | Measuring Device with a Micro-Electromechanical Capacitive Sensor - A measuring device has a micro-electromechanical capacitive sensor which has electrodes which move toward and away from each other for measurement of a mechanical deflection of a test mass. The measuring device has a charge integrator which has an operating amplifier which has at least one amplifier input connected to the sensor and an amplifier output which is fed back to the amplifier input via an integration capacitor. The amplifier input is connected via a high-resistance electrical resistor to a terminal for an electrical common-mode reference potential. In addition to the amplifier input, the operating amplifier has an auxiliary input. The amplifier output is connected to the auxiliary input via a deep pass. | 05-19-2011 |
20110221453 | OCCUPANT CLASSIFYING DEVICE FOR AN AUTOMOBILE - Provided is an occupant classifying device which can detect an occupant sitting on a seat by a change in an electric field between first and second electrodes that is caused by the occupant sitting on the seat. The occupant classifying device includes: a seat for an occupant to sit on; a first electrode disposed in the seat; a second electrode disposed in the seat, spaced apart from the first electrode, and forming an electric field between the first and second electrodes; and a current measuring device for measuring a variation in current value corresponding to changes in the electric field caused by the occupant sitting on the seat. | 09-15-2011 |
20110221454 | Anti-Capture Method and Apparatus for Micromachined Devices - A MEMS device has a movable beam, a differential capacitor with a movable electrode that moves in response to the displacement of the movable beam and that is disposed between two stationary electrodes, and a voltage circuit for applying a first voltage to the first stationary electrode, second voltage to the second stationary electrode, and a third voltage to the moveable electrode. The MEMS device also has a monitor operably coupled with the movable beam to monitor the displacement of the movable beam. In some embodiments, the monitor may monitor the distance between the movable electrode and at least one of the stationary electrodes. The MEMS device further has a voltage reducing circuit operatively coupled with the monitor, the movable electrode, and the stationary electrodes. The voltage reducing circuit reduces the differential between the third voltage and the voltages on the stationary electrodes when the monitor detects that the displacement of the movable beam is greater than or equal to a threshold value. | 09-15-2011 |
20110221455 | MICROMECHANICAL COMPONENT AND METHOD FOR ITS PRODUCTION - A method for producing a micromechanical component, includes providing a first substrate, developing a micropattern on the first substrate, the micropattern having a movable functional element, providing a second substrate, and developing an electrode in the second substrate for the capacitive recording of a deflection of the functional element. The method further includes connecting the first and the second substrate, a closed cavity being formed which encloses the functional element, and the electrode bordering on the cavity in an area of the functional element. | 09-15-2011 |
20120038372 | MICROMECHANICAL COMPONENT AND MANUFACTURING METHOD FOR A MICROMECHANICAL COMPONENT - A micromechanical component is described having a substrate which has a movable mass which is connected via at least one spring to the substrate so that the movable mass is displaceable with respect to the substrate, and at least one fixedly mounted stator electrode. The movable mass and the at least one spring are structured from the substrate. At least one separating trench which at least partially surrounds the movable mass is formed in the substrate. The at least one stator electrode is situated adjacent to an outer surface of the movable mass which is at least partially surrounded by the separating trench, with the aid of at least one supporting connection which connects the at least one stator electrode to an anchor situated on the substrate and spans a section of the separating trench. Also described is a manufacturing method for a micromechanical component. | 02-16-2012 |
20120062245 | Pressure Sensing Apparatuses and Methods - Sensors, sensing arrangements and devices, and related methods are provided. In accordance with an example embodiment, an impedance-based sensor includes a flexible dielectric material and generates an output based on pressure applied to the dielectric material and a resulting compression thereof. In certain embodiments, the dielectric material includes a plurality of regions separated by gaps and configured to elastically deform and recover in response to applied pressure. | 03-15-2012 |
20120074962 | VARIABLE CAPACITOR, POSITION INDICATOR, AND INPUT DEVICE - A variable capacitor is provided for use with an electronic circuit board including a first terminal portion and a second terminal portion, to be built in a position indicator. The variable capacitor includes a dielectric having a first surface portion and a second surface portion opposite to the first surface portion, and a conductive elastic member having a board coupling portion and a dielectric contacting portion. The first terminal portion is coupled to the first surface portion, the second terminal portion is coupled to the board coupling portion, and the dielectric contacting portion is disposed separately from the second surface portion so as to face the second surface portion and is configured to be deformed to come in contact with the second surface portion of the dielectric. The variable capacitor is configured such that a contact area between the second surface portion and the dielectric contacting portion is changed in correspondence to a depressing force, which is applied against the dielectric contacting portion in a direction toward the dielectric, thereby changing an electrostatic capacitance of the variable capacitor. | 03-29-2012 |
20130076375 | CAPACITANCE SENSING CIRCUITS, METHODS AND SYSTEMS HAVING CONDUCTIVE TOUCH SURFACE - A capacitance sense device can include a plurality of sense electrodes; a nonconductive structure comprising first regions formed over the sense electrodes and second regions formed between first regions that are less compressible than the first regions; a conductive touch surface formed over the nonconductive structure; and a capacitance sense circuit coupled to at least the sense electrodes. | 03-28-2013 |
20130093438 | PRESSURE-SENSITIVE ADHESIVE LAYER FOR TRANSPARENT CONDUCTIVE FILM, TRANSPARENT CONDUCTIVE FILM WITH PRESSURE-SENSITIVE ADHESIVE LAYER, TRANSPARENT CONDUCTIVE LAMINATE, AND TOUCH PANEL - A pressure-sensitive adhesive layer of the invention for transparent conductive film has a thickness of 10 μm to 100 μm, and is made from a water-dispersible acryl-based pressure-sensitive adhesive that is an aqueous dispersion containing a water-dispersible (meth)acryl-based polymer and a water-soluble basic component, wherein the water-dispersible (meth)acryl-based polymer comprises 100 parts by weight of an alkyl(meth)acrylate with an alkyl group of 4 to 14 carbon atoms, as a monomer unit, and 1 to 8 parts by weight of a carboxyl group-containing monomer as a copolymerized monomer unit, and the pressure-sensitive adhesive layer contains 200 ng to 500,000 ng of the water-soluble basic component per 1 cm | 04-18-2013 |
20130099802 | INPUT DEVICE WITH FORCE SENSING - Devices and methods are provided that facilitate improved input device performance. The devices and methods utilize a first substrate with proximity sensor electrodes and at least a first force sensor electrode disposed on the first substrate. A second substrate is physically coupled to the first substrate, where the second substrate comprises a spring feature and an electrode component. The electrode component at least partially overlaps the first force sensor electrode to define a variable capacitance between the first force sensor electrode and the electrode component. The spring feature is configured to facilitate deflection of the electrode component relative to the first force sensor electrode to change the variable capacitance. A measure of the variable capacitance may be calculated and used to determine force information regarding the force biasing the input device. | 04-25-2013 |
20130134993 | TOUCH PANEL SENSOR - A touch panel sensor with which unevenness of interference can be reduced is provided. A touch panel sensor of the present invention includes a film base material, a first transparent electrode pattern formed on a first face of the film base material, a first adhesive layer laminated on the first face of the film base material so as to cover the first transparent electrode pattern, a second transparent electrode pattern formed on a second face of the film base material, and a second adhesive layer laminated on the second face of the film base material so as to cover the second transparent electrode pattern, and the film base material has an in-plane phase difference of λ/4 with respect to a wavelength λ in the visible light region. | 05-30-2013 |
20130162270 | CAPACITANCE TYPE MEASURING DEVICE - A capacitance type measuring device for measuring a physical quantity of an object to be measured by measuring a capacitance of a variable capacitor is provided, which achieves compactness, simplicity of structure, and improved measurement accuracy. The capacitance type measuring device may include a primary measuring circuit that is configured with the variable capacitor and a reference electronic element that is a reference to measure a capacitance of the variable capacitor, a secondary measuring circuit that has an impedance conversion element with sufficiently high input impedance and is connected to the primary measuring circuit, and a substrate in which a part or all of the each measuring circuit is formed. The high impedance circuit part may be formed between the variable capacitor and an impedance conversion element, and the reference electronic element may be embedded inside the substrate between a front surface and a rear surface thereof. | 06-27-2013 |
20130187667 | Inspection Equipment and Inspection Method - Foreign metal inspection equipment is provided with: a conveying device for conveying a sample to be subjected to inspection; electrodes positioned so as to face the surface of the sample; a measurement device for measuring the capacitance between the electrodes and the sample being conveyed by the conveying device; and a processing unit that inspects for foreign metal mixed in the sample on the basis of the change in capacitance measured by the measurement device. | 07-25-2013 |
20130229193 | ELECTROSTATIC CAPACITANCE SENSOR - An electrostatic capacitance sensor | 09-05-2013 |
20130234734 | SENSOR UNIT, INPUT DEVICE, AND ELECTRONIC APPARATUS - A sensor unit is provided and includes a first substrate, first and second electrodes, an input portion disposed so that a gap exists between the substrate and the input portion, a plurality of first structures disposed in the gap and extending at least partially between the first substrate and the input portion, and a second insulating structure disposed on a side of the first structures that is away from the input portion, or between adjacent first structures. The sensor unit is configured to detect a change in capacitance between the first and second electrodes upon a change in position of the input portion relative to the first substrate. | 09-12-2013 |
20130241578 | CAPACITANCE TYPE SENSOR - A capacitance type sensor includes a detection electrode, a reference electrode, and a sub-reference electrode for distinguishingly detecting a detection object. The sub-reference electrode has a reference voltage applied thereto and is displaceable relative to the detection electrode due to a pressure exerted from the detection object. A voltage application device applies a detection voltage to form an electric field in a space defined with the reference electrode device. A capacitance detector of the sensor detects a first capacitance and a second capacitance, and a detection unit of the sensor distinguishingly detects the detection object based on the first capacitance and the second capacitance. The first capacitance is measured between the detection electrode and the reference electrode, and the second capacitance is measured between the detection electrode and the sub-reference electrode. | 09-19-2013 |
20130271159 | SYSTEMS FOR PROVIDING ELECTRO-MECHANICAL SENSORS - Systems for providing electro-mechanical sensors are provided. In some embodiments, a system for providing an electro-mechanical sensor comprising: a flexible material forming at least a first channel and a second channel, wherein the first channel includes a first plate region and the second channel forms a second plate region that is substantially aligned with the first plate region; and an electrically conductive fluid that fills the first channel and the second channel. | 10-17-2013 |
20130271160 | REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES - A capacitive image sensor for detecting an input object includes a first substrate and a second substrate. A compressible region is defined between the first substrate and the second substrate. The first substrate is deflectable towards the second substrate. A transmitter electrode, receiver electrode, and bending effect electrode are disposed on the first substrate. The bending effect electrode is disposed between the transmitter electrode and receiver electrode and is configured to reduce a change in resulting signals detected from the receiver electrode caused by deflection of the first substrate towards the second substrate. | 10-17-2013 |
20130271161 | REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES - A capacitive image sensor for detecting an input object includes a first substrate and a second substrate. A compressible region is defined between the first substrate and the second substrate. The first substrate is deflectable towards the second substrate. A transmitter electrode, receiver electrode, and bending effect electrode are disposed on the first substrate. The bending effect electrode is disposed between the transmitter electrode and receiver electrode and is configured to reduce a change in resulting signals detected from the receiver electrode caused by deflection of the first substrate towards the second substrate. | 10-17-2013 |
20130300437 | METHOD OF MEASURING A PHYSICAL PARAMETER AND ELECTRONIC INTERFACE CIRCUIT FOR A CAPACITIVE SENSOR FOR IMPLEMENTING THE SAME - A physical parameter is measured via an electronic circuit connected to a two capacitor sensor. The circuit includes an amplifier connected to the common capacitor electrode, a logic unit for digital processing amplifier data and supplying a digital measuring signal, a digital-analogue converter for supplying a measuring voltage based on the digital measuring signal, a switching unit for alternately supplying the measuring voltage to the first and second fixed capacitor electrodes, and a regulated voltage for negative biasing or a low voltage for positive biasing from a voltage supply source. A first phase consists in biasing the first fixed electrode with the measuring voltage from first binary word and reference voltage, and the second fixed electrode with low voltage, and a second phase consists in biasing the second fixed electrode with measuring voltage from second binary word, which is reverse of the first binary word, and the reference voltage. | 11-14-2013 |
20130307567 | WIDE ACTIVATION ANGLE PINCH SENSOR SECTION - In an aspect, a pinch sensor is provided, comprising: an elongate non-conductive casing enclosing first, second, and third elongate conductive electrodes; the first and second electrodes being separated by a portion of the casing, a capacitance between the first and second electrodes changing when an obstacle approaches the first electrode to provide a proximity indication of the obstacle to the pinch sensor; and, the second and third electrodes being separated by an air gap formed in the casing, a resistance between the second and third electrodes changing when the second and third electrodes come into contact upon compression of the casing by the obstacle to provide a contact indication of the obstacle with the pinch sensor. | 11-21-2013 |
20130307568 | EXTERNAL OPERATION DETECTION STRUCTURE BODY - An external operation detection structure body including: a sensor casing having an aperture window; an external operation detection sensor arranged at a formation zone of the aperture window; a sheet-like interface member that covers a front face of the detection sensor and closes the aperture window; an outer peripheral wall protruding out from a rear face of an outer periphery of the interface member and penetrating into the aperture window so as to be arranged between the detection sensor and the sensor casing; and front and rear face seal protrusions extending respectively from front and rear edges of the outer peripheral wall toward an outer peripheral side so as to be superposed respectively with front and rear faces of a peripheral edge of the aperture window of the sensor casing. | 11-21-2013 |
20130342221 | METAL NANOSTRUCTURED NETWORKS AND TRANSPARENT CONDUCTIVE MATERIAL - Metal nanowires, such as silver nanowires coated on a substrate were sintered together to form fused metal nanowire networks that have greatly improved conductivity while maintaining good transparency and low haze. The method of forming such a fused metal nanowire networks are disclosed that involves exposure of metal nanowires to various fusing agents on a short timescale. The resulting sintered network can have a core-shell structure in which metal halide forms the shell. Additionally, effective methods are described for forming patterned structure with areas of sintered metal nanowire network with high conductivity and areas of un-sintered metal nanowires with low conductivity. The corresponding patterned films are also described. When formed into a film, materials comprising the metal nanowire network demonstrate low sheet resistance while maintaining desirably high levels of optical transparency with low haze, making them suitable for transparent electrode, touch sensors, and other electronic/optical device formation. | 12-26-2013 |
20140002113 | FORCE ENHANCED INPUT DEVICE | 01-02-2014 |
20140097857 | CAPACITIVE TOUCH KEYBOARD - A capacitive touch keyboard includes a shielding layer, a intermediate layer, and a one-dimensional sensor layer where the soft intermediate layer is interposed between the other two to form a capacitor structure. The shielding layer includes a ground plane, and plural first key areas at its outer surface. The one-dimensional sensor layer includes plural sensing cells and plural second key areas where the first key areas correspond to the second key areas, and respective cells are electrically connected to a sensing circuit. Therefore, features of more compact size, simplified structure design, and tactile feel are provided in a capacitive keyboard. | 04-10-2014 |
20140145731 | Method For Producing A Capacitive Contact Sensor And Capacitive Contact Sensor - A method for producing a capacitive contact sensor and a capacitive contact sensor having a carrier plate made of plastic are described. The front surface of the sensor initiates a switching process when contacted, and the rear surface of the sensor has one or more capacitive sensor electrodes disposed thereon and connected via conductors to analysis electronics. The regions on the front surface of the carrier plate opposite the sensor electrodes thereby form contact zones. A plastic film supporting the sensor electrodes and conductors is placed on a first side wall of a cavity of an injection molding tool, wherein the sensor electrodes face the first side wall, and then a polycarbonate forming the carrier plate is injected into the cavity on the side of the plastic film facing away from the sensor electrodes. The cavity is then expanded, forming a gap on the side facing away from the plastic film and the gap is injected with a further plastic reacting with the polycarbonate in the contact region and forming a scratchproof coating. | 05-29-2014 |
20140184246 | PASSENGER DETECTING SENSOR AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a passenger detecting sensor which is installed in a seat to detect whether a passenger is seated on a seat, and a method of manufacturing the same. A method of manufacturing a passenger detecting sensor includes printing corrosion preventive ink on aluminum bonded on a flexible panel in accordance with a pattern; forming an aluminum pattern by corroding the aluminum; cleaning the corrosion preventive ink on the aluminum pattern; and printing a carbon paste on the aluminum pattern. | 07-03-2014 |
20140210491 | Current-Based Charge Compensation in a Touch Sensor - In one embodiment, a method comprises generating a first current at a current source having a magnitude based on the magnitude of a second current flowing from a capacitive node of a touch sensor in the absence of a touch with respect to the capacitive node. The method further includes generating a third current from the capacitive node of the touch sensor in the presence of a touch with respect to the capacitive node. The first current and the third current are summed to cancel out at least a portion of the third current. The method further includes integrating, by an integrator, the sum of the first current and the third current to generate an output voltage. | 07-31-2014 |
20140266251 | Semiconductor Device and Method of Direct Measurement and Acquisition of MEMS Employing Sigma-Delta Loop - A semiconductor device measures a state of a MEMS as a first voltage variation at a sensing node. The state of the MEMS includes a capacitance. A first capacitor is coupled between the sensing node and an input of an integrator for transferring the first voltage variation to a second node as a first signal. A second voltage variation is routed through a second capacitor to the second node as a second signal. The integrator integrates the first signal and second signal to provide an integrated signal. An ADC has an input coupled to an output of the integrator and converts the integrated signal to a digital signal representative of the capacitance of the MEMS. A DAC has an input coupled to the output of the ADC. A second capacitor is coupled between an output of the DAC and the sensing node. | 09-18-2014 |
20140266252 | ELECTROSTATIC SENSOR AND SLIDE OPERATION APPARATUS - An electrostatic sensor includes a fixed electrode, a movable electrode, an analyzing unit, a sliding member, and a crimping member. The fixed electrode is arranged along a predetermined direction. The movable electrode faces the fixed electrode. The analyzing unit is configured to detect a position of the movable electrode based on capacitance between the movable electrode and the fixed electrode. The sliding member is disposed between the fixed electrode and the movable electrode. The crimping member crimps the fixed electrode and the movable electrode together by a magnetic force. | 09-18-2014 |
20140300375 | CAPACITANCE DETECTION CIRCUIT - A capacitance detection circuit has at least a carrier signal generating circuit that supplies a carrier signal to one of a movable or a fixed electrode of a sensor, an operational amplifier with one of the movable or fixed electrode as an input and ground as another input, and a printed circuit board on which the physical quantity sensor, the carrier signal generating circuit, and the operational amplifier are mounted. An insulation-secured area on the printed circuit board is configured as a moisture absorption reduction area, including at least an electrode connection part of the physical quantity sensor, an input-side connection part of the operational amplifier, and a connection part connected to the input side of the operational amplifier out of connection parts of input-side circuit components connected between the electrode connection part and the input-side connection part. | 10-09-2014 |
20140312920 | NON-CONTACT OPERATION DETECTION DEVICE FOR VEHICLE - A non-contact operation detection device for a vehicle includes: a spacer; a sensor electrode supported on a first surface of the spacer; a first electrode supported on a second surface on a side opposite to the first surface of the spacer; and a determination unit determining a change in capacitance detected by the sensor electrode. | 10-23-2014 |
20140354305 | Multi-State Capacitive Button - In one embodiment, an apparatus includes a sensor, a button, a conductor between the button and the sensor, and a controller connected to the sensor. The sensor includes first and second electrode tracks. The button includes an electrically isolating material and is configured to capacitively couple with an object. The conductor is configured to capacitively couple with the sensor and form a galvanic connection between the first and second electrode tracks when the conductor comes into contact with the sensor. The controller is configured to measure a value associated with an amount of capacitive coupling between the conductor and the sensor and to detect first and second states of the button based on the value, the first state indicating that the object is in contact with the button and that the conductor is not contacting the sensor, and the second state indicating that the conductor is not contacting the sensor. | 12-04-2014 |
20150042361 | PROTECTOR WITH SENSOR - A protector with a sensor is installed on a sliding door for detecting an alien substance by touch between two core wires in a hollow part. In a terminal part of the protector with the sensor, the core wires drawn out are connected with a resistor or leads joined with a control unit. A primary seal is formed by injection molding for coating wire connection parts and another end side of an insert and a secondary seal is formed by the injection molding for coating a part formed with the primary seal for forming an external shape of a product. | 02-12-2015 |
20150070031 | PHYSICAL QUANTITY SENSOR, VIBRATORY DEVICE, ELECTRONIC APPARATUS, AND MOVING OBJECT - A physical quantity sensor includes a substrate, a fixation section and a wiring line provided to the substrate, a contact section adapted to electrically connect the fixation section and the wiring line to each other, and a movable electrode electrically connected to the wiring line via the fixation section. The contact section is disposed in the fixation section in a second area outside a first area obtained by imaginarily extending a fixed support area in a displacement direction of the movable electrode in a plan view. The fixed support area is sandwiched by edge portions of an area where the movable electrode and the fixation section are connected to each other. | 03-12-2015 |
20150091588 | COMPACT AND DURABLE BUTTON WITH BIOMETRIC SENSOR HAVING IMPROVED SENSOR SIGNAL PRODUCTION AND METHOD FOR MAKING SAME - A biometric sensor and button assembly and method of making same are disclosed which may comprise: a button housing comprising at least two side walls each forming a vertical load absorbing tower and defining an opening within the button housing; an insert within the opening within the housing; a sensor controller integrated circuit positioned within a cavity formed in one of the insert, the housing or a combination of the insert and the housing; and the insert and the housing cooperating to absorb vertical loading on the button housing, thereby protecting the integrated circuit from excess vertical loading. The assembly and method may also comprise the biometric comprising a fingerprint sensed by the biometric sensor. The assembly and method may also comprise the at least two side walls comprising at least four side walls, the cavity being formed within the bottom of the insert, within the housing, or both. | 04-02-2015 |
20150137832 | METHOD AND SYSTEM FOR ADJUSTING ELECTRIC FIELD INTENSITY - The present application provides a method for adjusting an electric field intensity, comprising: when detecting that a probe capacitance threshold generated by a capacitor plate group reaches a preset critical value, changing relative positions of or a connection relationship between capacitor plates in the capacitor plate group, and adjusting an electric field intensity generated by the capacitor plate group. By using the method for adjusting an electric field intensity of the present application, when an electric field intensity generated by a capacitor plate group cannot cover an object to be detected, the electric field intensity generated by the capacitor plate group is increased by changing relative positions of or a connection relationship between capacitor plates, so that the electric field intensity generated by the capacitor plate group can continue to cover the object to be detected. | 05-21-2015 |
20150338246 | CAPACITIVE MICROELECTRONIC AND/OR NANOELECTRONIC DEVICE WITH INCREASED COMPACTNESS - A device with a mobile element extending along a given plane comprising at least one first, one second and one third layers extending in planes parallel to the given plane, with the first layer forming a support, the second layer comprising all or a portion of the mobile element and means for suspending the mobile element with respect to the support and the third layer comprising all or a portion of the capacitive means of which the capacitance varies according to the relative position of the mobile element with respect to the support, said capacitive means comprising at least one mobile electrode integral with one of the faces of the mobile element parallel to the given plane, and at least one fixed electrode with respect to the support, with the fixed and mobile electrodes being arranged at least partially in the same plane parallel to the given plane and at least partially above and/or below the mobile element. | 11-26-2015 |
20160011014 | ELECTRONIC MEASUREMENT CIRCUIT | 01-14-2016 |
20160061634 | INJECTION-MOLDED CIRCUIT CARRIER - An injection-molded circuit carrier is provided that has an outside and an underside and an inner base region and a frame. The frame has an inside and a cover surface, so that the inner base region is enclosed in the manner of a frame, and multiple printed conductors are provided, which are spaced a distance apart. The printed conductors are guided at least partially from the inside to the underside via the cover surface and via the outside so that at least two metal surfaces are formed on the underside, which are each electrically connected to a printed conductor and are spaced a distance apart. The metal surfaces are designed to be significantly wider than the printed conductors for the purpose of forming a capacitive sensor. | 03-03-2016 |