Patents Assigned to MICROCHIP TECHNOLOGY GERMANY GMBH
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Patent number: 10873330Abstract: An electrode arrangement for an electric field sensor device with a transmitting electrode and at least one receiving electrode may have a nonconductive substrate having a first conductive layer and a second conductive layer. A first electrode is arranged within the first conductive layer, wherein the first electrode is a receiving electrode of the electric field sensor device, and a second electrode is arranged within the second conductive layer, wherein the second electrode is a transmitting electrode of the electric field sensor device wherein the second electrode covers a larger area than the first electrode and wherein the second electrode is textured to reduce the capacitance between the first and second electrode.Type: GrantFiled: July 13, 2016Date of Patent: December 22, 2020Assignee: MICROCHIP TECHNOLOGY GERMANY GMBH II & CO. KGInventors: Roland Aubauer, Claus Kaltner
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Patent number: 10649488Abstract: An electrode arrangement has a transmitting electrode which during a measurement cycle is configured to receive an alternating transmission signal and a plurality of receiving electrodes configured to detect disturbances in an electric field formed by the transmitting electrode. The transmitting electrode and the receiving electrode are arranged in a single layer such that a single transmitting electrode is formed by an electrode structure that substantially surrounds each receiving electrode of the plurality of receiving electrodes.Type: GrantFiled: August 18, 2015Date of Patent: May 12, 2020Assignee: Microchip Technology Germany GmbHInventors: Roland Aubauer, Andreas Dorfner
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Patent number: 10528190Abstract: A method for touch detection includes identifying a high-pass filtered sequence from a plurality of sensor measurements, accumulating a number of samples from a first high-pass filtered sequence into an accumulated value, comparing the first accumulated value against a threshold of accumulated values, and, based upon a determination whether the accumulated value is greater than the threshold of accumulated values, identify whether the sensor has been approached.Type: GrantFiled: December 3, 2018Date of Patent: January 7, 2020Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Axel Heim, Joao Ferreira
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Patent number: 10461745Abstract: A sensor electrode (SE) for a capacitive sensor device is designed such that the width of the sensor electrode decreases towards the center such that the capacity between the sensor electrode and an object (F) with constant distance between the sensor electrode and the object (F) substantially is equal in size for each position of the object (F) relative to the sensor electrode along a longitudinal axis of the sensor electrode. The sensor electrode may consist of a plurality of segments arranged in a strip with decreasing width towards the center of the electrode.Type: GrantFiled: September 21, 2015Date of Patent: October 29, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Axel Heim
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Patent number: 10394332Abstract: A sensor arrangement for capacitive touch and non-touch detection has a transmission electrode and a predefined number of receiving electrodes coupled with an evaluation unit. The evaluation unit operates in a non-touch detection mode and in a touch detection mode, wherein the transmission electrode generates an alternating electric near field, and in the non-touch detection mode, the evaluation unit evaluates signals from the receiving electrodes to determine non-touch gestures or a three-dimensional position of an object. In the touch detection mode a surface touch detection area defined by the predefined number of electrodes is divided into a plurality of segments wherein within each segment at least two electrodes of the predefined number of electrodes contribute with a portion of their electrode surface area such that different electrode surface area ratios are formed for each of the plurality of segments.Type: GrantFiled: April 6, 2017Date of Patent: August 27, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Axel Heim
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Patent number: 10365722Abstract: A method for state tracking based gesture recognition engine for a sensor system has the steps of: defining a plurality of sequential states of a finite-state machine, determining a Sequence Progress Level (SPL) for each state, mapping a state probability distribution to a (single) SPL on run-time, and utilizing the mapped SPL estimate as an output value of the sensor system.Type: GrantFiled: April 30, 2018Date of Patent: July 30, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Axel Heim
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Patent number: 10355057Abstract: An OLED interface has a panel layer, an anode-electrode layer, a cathode-electrode layer, an organic illuminant layer structure received between the anode-electrode layer and the cathode-electrode layer, and an evaluation circuit. The evaluation circuit is designed and connected in such a way that, together with at least the anode-electrode layer and/or the cathode electrode layer, a sensor system is produced, for detecting a finger or a hand of a user in a region upstream of the panel layer without, or before, the finger or hand touching the OLED interface or a panel element covering same.Type: GrantFiled: April 18, 2012Date of Patent: July 16, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Artem Ivanov
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Patent number: 10310656Abstract: A display device is provided that allows detecting contact positions (contact mode) and contactless detection of positions of a finger in front of the display device (non-contact mode). The display device includes a panel layer connected to a transparent electrode layer that is subdivided into a plurality of electrode segments that form a segment array. An interpretation circuitry coupled to the electrode segments switches between a contact mode state in which a contact detection is performed by the electrode segments, and a second state in which the contactless position or movement detection of the finger is performed in an area in front of the display device, wherein at least a part of the electrode segments are used for detection in both the contact mode and the non-contact mode, and wherein the contactless position or movement detection is performed by a grouped of the electrode segments in the segment array.Type: GrantFiled: April 2, 2012Date of Patent: June 4, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Artem Ivanov, Axel Heim, Thomas Kandiziora
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Publication number: 20190163323Abstract: A method for touch detection includes identifying a high-pass filtered sequence from a plurality of sensor measurements, accumulating a number of samples from a first high-pass filtered sequence into an accumulated value, comparing the first accumulated value against a threshold of accumulated values, and, based upon a determination whether the accumulated value is greater than the threshold of accumulated values, identify whether the sensor has been approached.Type: ApplicationFiled: December 3, 2018Publication date: May 30, 2019Applicant: Microchip Technology Germany GmbHInventors: Axel Heim, Joao Ferreira
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Patent number: 10288657Abstract: A sensor device for detecting a number of objects, has a number of electrode configurations forming a sensor surface, each electrode configuration having a number of measurement electrodes and each electrode configuration being associated with at least one transmitter electrode, and an evaluation device coupled to the measurement electrodes and the transmitter electrodes, which is adapted for using a time multiplexing method for applying an alternating signal to one of the transmitter electrodes, and to apply a predetermined constant electrical potential to the remaining transmitter electrodes, and tapping an electrical signal indicating the position of the object relative to the sensor surface at the measurement electrodes associated with the transmitter electrode having the electrical alternating signal applied.Type: GrantFiled: May 8, 2012Date of Patent: May 14, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Artem Ivanov, Axel Heim
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Patent number: 10277203Abstract: A digital filter has an assigned filter function with assigned filter coefficients, an input receiving input samples, another input receiving confidence values, and an output. Each input sample value is associated to an input confidence value, wherein the filter output depends on the input samples, the input confidence values as well as the filter coefficients. The filter contains multiple accumulators, wherein an output sample is produced after a predetermined number of sample values wherein associated confidence values have been input to the filter.Type: GrantFiled: July 21, 2016Date of Patent: April 30, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Axel Heim, Martin Hoch
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Patent number: 10198100Abstract: An electrode device for a capacitive sensor device and a circuit arrangement for a capacitive sensor device for the operation of an electrode device are provided, wherein the electrode device has a first electrode structure with at least one transmitting electrode and at least one receiving electrode, and a second electrode structure with at least one field sensing electrode, wherein the electrode device or the capacitive sensor device can be operated in a first operation mode and in a second operation mode. In addition a method is provided for approach and/or touch detection with a sensor device.Type: GrantFiled: October 16, 2015Date of Patent: February 5, 2019Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Claus Kaltner, Reinhard Unterreitmayer, Holger Steffens
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Patent number: 10135424Abstract: A finite impulse response (FIR) digital filter has an assigned filter function with assigned filter coefficients, an input receiving input samples, another input receiving confidence information values, and an output. Each input sample value is associated to an input confidence value and the filter output depends on both the input samples and the input confidence values.Type: GrantFiled: February 25, 2016Date of Patent: November 20, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Axel Heim, Martin Hoch
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Publication number: 20180314338Abstract: A method for state tracking based gesture recognition engine for a sensor system has the steps of: defining a plurality of sequential states of a finite-state machine, determining a Sequence Progress Level (SPL) for each state, mapping a state probability distribution to a (single) SPL on run-time, and utilizing the mapped SPL estimate as an output value of the sensor system.Type: ApplicationFiled: April 30, 2018Publication date: November 1, 2018Applicant: Microchip Technology Germany GmbHInventor: Axel Heim
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Patent number: 10048759Abstract: The invention refers to an input device for computer system. The invention is based on the task of creating solutions to make it possible to considerably simplify mouse-based input operations in the use of computers. This task is solved in accordance with the invention by a computer mouse with a housing and a movement detector to generate control data which as such correlate with the movement of the housing along the X or Y axis, and a hand detector to generate control data which as such correlate with the position and/or the finger gestures of a hand in relation to the housing before the computer mouse is touched. This makes it advantageously possible to carry out input operations to an even better degree with a computer mouse, in particular cursor controls, in a way that can be intuitively and easily mastered.Type: GrantFiled: August 20, 2008Date of Patent: August 14, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Wolfgang Richter
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Patent number: 10003334Abstract: The invention relates to a capacitive sensor system, in particular for detecting the approach of objects and in particular also for gesture recognition. The problem of the present invention is to provide a capacitively operating sensor system, which can be implemented with low component complexity and thus low costs and space requirements and is also characterized by low power consumption, so as to operate with batteries having a low charge capacity and/or a long operating time.Type: GrantFiled: November 18, 2009Date of Patent: June 19, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Peter Fasshauer
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Patent number: 10001540Abstract: Provided is a method for adapting the sensitivity of a sensor system, in particular of a capacitive sensor system, which provides a sensor signal, wherein a first lower threshold value is adapted, if the sensor signal fulfills a first switching threshold criterion, a first upper threshold value is adapted, if the sensor signal fulfills a second switching threshold criterion, and at least one switching threshold value is adapted such that the switching threshold value has a predetermined first distance from the first upper threshold value and/or a predetermined second distance from the first lower threshold value.Type: GrantFiled: October 10, 2012Date of Patent: June 19, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Holger Erkens, Claus Kaltner, Holger Steffens
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Patent number: 9989569Abstract: An electrode configuration for a capacitive sensor device has a transmitting electrode and a receiving electrode, wherein the transmitting electrode can be brought into a capacitive coupling with the receiving electrode, wherein the electrode configuration has at least one first and second sensor area, wherein both of the electrode surfaces of the transmitting electrode and of the receiving electrode in the first sensor area are small compared to the electrode surfaces of the transmitting electrode and of the receiving electrode in the second sensor area. A capacitive sensor device for the detection of an approximation may have such an electrode configuration. An electrical device, particularly an electrical hand-held device, may have at least one such capacitive sensor device.Type: GrantFiled: February 6, 2012Date of Patent: June 5, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Holger Erkens
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Patent number: 9986643Abstract: A display circuit board is provided with at least one section being configured as flexible circuit board, wherein the at least one flexible section of the display circuit board has at least one electrode being coupleable with a capacitive sensor device. Furthermore, a display module is provided with a display and a display circuit board. In addition, a method for the production of a display module is provided, wherein the display circuit board is inserted in a module housing together with the display in such a way that the flexible section is at least partially arranged between a side wall of the display and a side wall of the module housing. Finally, an electrical hand-held device, such as a cell phone or the like, is provided with a display module.Type: GrantFiled: May 4, 2011Date of Patent: May 29, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventor: Andreas Güte
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Patent number: 9971442Abstract: A method for detecting a continuous circular gesture performed by an object, may have the steps of: detecting a movement of an object performing a circular movement by scanning the movement and determining subsequent position points of the object, wherein a reference position of a virtual circular movement is adapted depending on the history of scanned position points.Type: GrantFiled: October 27, 2015Date of Patent: May 15, 2018Assignee: MICROCHIP TECHNOLOGY GERMANY GMBHInventors: Axel Heim, Joao Ferreira