Microchip Technology Germany Gmbh

Ident Technology Ag

Artem Ivanov

Axel Heim

Roland Aubauer

Thomas Kandziora

Manfred Schacht

Ce Zhang

Thomas Kandiziora

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.

OLED interface

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.

Touch-sensitive screen

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.

Sensor and method for detecting a number of objects

An input device, especially in the form of a computer keyboard provides which for a user of a computer keyboard special operator benefits result as compared to conventional keyboard systems in association with a pointing device. According to an embodiment, a computer keyboard with a keyboard that includes a multitude of manually operable keys, wherein in this keyboard an electrode arrangement is integrated, is designed in such a way and over a driver circuit exploited in such a way that by means of this electrode arrangement the detection of the spatial position or movement of a finger or a hand in an area in front of the keyboard is made possible in a electrical-field way, and by means of the driver, circuit system signals are provided that have an information content that correlates with position and/or movement of a finger or a hand of the user.

Computer keyboard with integrated an electrode arrangement

The invention relates to a method for the contactless detection and recognition of gestures in a three-dimensional movement space (3D gestures), wherein The invention also relates to a system for the contactless detection and recognition of gestures in a three-dimensional movement space.

System and method for contactless detection and recognition of gestures in a three-dimensional space

A liquid crystal display (LCD) includes a plurality of display units formed with a first substrate, a color matrix formed on the first substrate, and a common electrode formed on the color matrix, a second substrate spaced from the first substrate, a pixel electrode matrix formed on the second substrate, a liquid crystal material disposed between the common electrode and the pixel electrode matrix. The LCD includes a touch sensing member integrated onto the color matrix of the first substrate.

TFT display, OLED interface and method for detecting the spatial position of extremities in a spatial region located in front of the display

A sensor system has a first sensor device and a second capacitive sensor device for detecting a movement of the object relative to a detection surface, wherein the sensor system is configured to be operated in a first mode of operation and in a second mode of operation, wherein the sensor system is configured to be switched over from the first mode of operation into the second mode of operation, wherein the second capacitive sensor device has a number of second sensor electrodes, and wherein in the sensor system at least in the second mode of operation at least one signal path connectable with a predetermined fixed electric potential is provided, which is parallel to a parasitic capacitance of the first sensor device.

Sensor system and method for reducing a settling time of a sensor system

A capacitive sensor device for approach and/or contact detection has at least one generator electrode, at least one measurement electrode and at least one calibration electrode, wherein the at least one calibration electrode is arranged in a predefined distance adjacent to the at least one measurement electrode, wherein the at least one measurement electrode and the at least one calibration electrode are assigned to the generator electrode, wherein the at least one generator electrode may be loaded with a generator voltage and the at least one calibration electrode may be loaded with a calibrating voltage, and wherein the at least one calibration electrode at least may be operated in a first operating mode and a second operating mode, wherein in each of the operating modes the calibrating voltage lies between a ground voltage and the generator voltage, and the calibrating voltage is different in each operating mode.

Capacitive sensor device and method for calibrating a capacitive sensor device

A capacitive sensor device has at least one measuring electrode, at least one ground electrode, and an evaluation device being coupled with the at least one measuring electrode and being configured to detect a capacitive coupling between the at least one measuring electrode and a ground of the evaluation device. At least one ground electrode can be galvanically coupled with the ground of the evaluation device via a switch. The switching status of the switch can be changed by the evaluation device. The evaluation device is further adapted to detect a common-mode change of the capacitive coupling between the at least one measuring electrode and the ground of the evaluation device when the switching status of the switch changes. An input device, particularly a keyboard with a capacitive sensor device, as well as a method for operating a capacitive sensor device may be designed accordingly.

Capacitive sensor device with additional sensor electrode for determining mode of operation

The invention relates to an input device for generating input signals, that as such correlate with the motion as well as the position of a user standing on a contact area. The present invention concerns an input device for generating input signals that as such correlate with the load of a contact area, with a contact area structure that constitutes a substantially horizontally oriented contact area, a foot structure that passes under that contact area structure and supports it as to a support area, a detection circuit for detecting detection events that correlate with the shifting of the. contact area structure as to the foot structure, in which the detection circuit comprises a first electrode device and a second electrode device and both these electrode, devices are operatively coupled with the contact area structure in such a way that during a change of the load of the contact area structure causes a change of the capacity correlated with this loading change of a capacitor system formed each time including the two electrode devices.

Input device

A capacitive measuring device for a hand-held device, particularly an electric hand-held device for the detection of an approach to the hand-held device, has a switching device, wherein the ground of the capacitive measuring device is galvanically connectable with an electrically conductive structure of the hand-held device by a switching device, and wherein the capacitive measuring device has a ground electrode structure with at least one ground electrode that can be arranged on the hand-held device, wherein the ground of the capacitive hand-held device is galvanically connectable with the at least one ground electrode by the switching device.

Measuring device and method for the detection of an approach

In a system, as well as a method for the generation of a signal correlated with a manual input operation, especially a gesture-like input operation is executed by a user with his hands or fingers in front of a physical device and it input signals for signal processing operations are generated which correlate in a particularly reliable and accurate way with manual input operations. A system may have an electrode group integrated into an equipment component, that has several plane shaped electrodes adjacent to each other, and a circuit arrangement coupled to the electrodes of the electrode group, wherein the electrode group and the circuit arrangement constitute a sensor circuit allowing both a detection of a status to evaluate as a physical contacting of the equipment component, and a position detection of the hand or a finger of a user in a area placed spatially upstream of the equipment component.

System and method for the generation of a signal correlated with a manual input operation

A capacitive sensor device is provided, especially for determining a rotational frequency of a rotary body, for example of a washing drum and for detecting the amount and/or of the humidity grade of a laundry situated in the washing drum. The sensor device comprises a first electrode device for the irradiation of an alternating electric field, a second electrode device, into which the alternating electric field irradiated by the first electrode device can be coupled, and an evaluation circuit, which is coupled with the first electrode device and which is formed to generate the alternating electric field irradiated at the first electrode device, for detecting field-electrical interactions on at least one of the two electrode devices. The second electrode device preferably comprises a modulator for modulating the alternating electric field irradiated by the first electrode device.

Capacitative sensor device

Provided by the invention is a sensor device for the detection of touch or approach of an object. A server circuit of the sensor device according to the invention is formed in such a manner, that the server circuit alone (i.e. without co-operation with a client circuit) may be used as approaching sensor, at the same time however also together with one or several client circuits may be implemented a sensor network, in which the client circuits preferably are fed with energy with the electric field of the server electrode.

Touch and approach detection with capacitative sensors

The invention relates to a sensor device for generating electronic signals which as such provide information on a position in space, and/or the movement of limbs, especially of the hand of a user in relation to the sensor device. Said electronic signals can be used to carry out input processes in data processing devices, communication devices and other electric devices. The aim of the invention is to devise ways of generating, in an especially advantageous manner, signals that are indicative of the position and/or the movement of limbs. A sensor device for generating electrical signals which as such provide information on the position or movement of limbs in relation to a reference area comprises a transmitter electrode device (G, G, G), a voltage generator for supplying the transmitter electrode device (G, G, G) with an alternating voltage of a first receiver electrode device, a second receiver electrode device, and a measurement circuit for detecting a field bridging effect towards the receiver electrode devices, said effect being correlated with a movement of the hand or the finger, a screening electrode device (S) at least substantially screening the transmitter electrode device (G, G, G) and/or the receiver electrode device (M, M) from the measurement circuit with respect to field electrical effects.

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Landshut, Germany

Artem Ivanov