Microchip Technology Germany Gmbh

Microchip Technology Germany Gmbh II & Co. Kg

Microchip Technology Inc.

Neodron Limited

Ident Technology Ag

Claus Kaltner

Holger Steffens

Roland Aubauer

Reinhard Unterreitmayer

Andreas Dorfner

Axel Heim

Lionel Nicolas Portmann

Stefan Burger

Peter Fasshauer

Holger Erkens

Stefan Donat

Hans Schwaiger

Thomas Kandziora

Lucian Rosca

Johannes Matokic

Peter Faßhauer

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.

Electrode design for electric field measurement system

An electrode arrangement has a transmitting electrode configured to generate a quasi-static alternating electric field which extends into an observation area, a first electrode extending in a first direction and configured to be connected to an evaluation device as a receiving electrode, and a second electrode extending in a second direction different from the first direction wherein for evaluating disturbances of the quasi-static alternating electric field an enhanced sensitivity profile is obtained by combining the first and second electrode.

Matrix electrode design for three-dimensional e-filed sensor

An input device has one or more electrodes configured for capacitive sensing, an electronic circuit, one or more conductive feed line(s) connecting the one or more electrode(s) with the electronic circuit, wherein the device is configured to increase or decrease a signal received from at least one of the electrodes through an associated feed line in function of at least one other signal from another electrode.

Compensation of a target objects coupling to feeding lines in capacitive sensing system

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.

Electrode device, circuit arrangement and method for the approach and touch detection

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

Method for adapting the sensitivity of a sensor system

A capacitive sensor device for approach and/or contact detection can be coupled with an electric circuit () and has a sensor electronics () and a device for potential separation (), which with the sensor electronics () is coupled and by which the capacitive sensor device can be coupled with the electric circuit (). In a method for operating a capacitive sensor device which has a sensor electronics, the sensor electronics can be coupled with an electric circuit and the sensor electronics is coupled with the electric circuit in a separable way with respect to the potential.

Capacitive sensor device and method for operating a capacitive sensor device

Compensation of a target object coupling to feeding lines in capacitive sensing system

A gesture detection system according to embodiments includes an input device including a touch sensitive surface and a contact-free detection system; and a controller configured to determine characteristic parameters for the position in three-dimensional space of a user input object and select an operational mode of the input device based on the position of the user input object.

Input device with hand posture control

A method for the detection of a gripping of a hand-held device with one hand, using a capacitive sensor device, uses at least one transmitting electrode, at least one compensating electrode and at least one receiving electrode. An electrical signal is tapped at the receiving electrode and the sensor device can be operated in a first operating mode and in a second operating mode. In the first operating mode, a first alternating electrical signal is applied to the transmitting electrode and a second alternating electrical signal is applied to the compensating electrode. In the second operating mode, the second alternating signal is only applied to the compensating electrode. Furthermore, a sensor device can be provided which is configured to perform the method as described above.

Method and sensor device for the detection of a gripping of a hand-held device

An electrical hand-held device is provided with improved proximity detection, which can be placed on a surface and has at least one transmission electrode, at least one reception electrode and at least one compensation electrode arranged between transmission electrode and reception electrode. The transmission electrode and the compensation electrode can be supplied with an electric switching signal of predetermined signal frequency and predetermined signal amplitude. Switching electric signal at the compensation electrode is phase-delayed with respect to the switching electric signal at the transmission electrode. Alternating electric fields radiated at the transmission electrode and the compensation electrode generate a current in the reception electrode, which is representative of an approach of a hand to the hand-held device. The transmission electrode and the reception electrode are arranged in such a way, that the impedance between the transmission electrode and the reception electrode exceeds a predetermined value, which is suitable to keep the current generated in the reception electrode under a predetermined value.

Sensor device and method for grip and proximity detection

A device for an electric hand-held device for detecting the hand-held device being clasped by a hand, has at least one transmitting electrode, which can emit an alternating electric field, and at least one receiving electrode, in which the alternating electric field can be coupled at least partially, wherein the at least one transmitting electrode and the at least one receiving electrode can be arranged on the hand-held device such that each of them is at least partially covered by the hand when the hand-held device is being clasped by the hand. When the hand-held device is being clasped by the hand, a first portion of the alternating electric field emitted by the transmitting electrode can be coupled via the hand into the receiving electrode, wherein at least the first portion of the alternating electric field is a characteristic representative of the hand-held device being clasped by the hand.

Device and method for detecting a clasping of a hand-held device by a hand

An electronic circuit with a plurality of connections for a plurality of sensor elements is provided, wherein the electronic circuit is configured to detect, with at least one multiplexing method, the presence of an object in at least one observation area of the sensor elements and to distinguish between the sensor elements. Also a method for determining the position of at least one object situated in at least one observation area of sensor elements relative to the sensor elements is provided, whereby with a multiplexing method an electric variable for each sensor element is detected, which is indicative for the presence of the object in the respective observation area.

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Bergkirchen, Germany

Claus Kaltner