Abstract: An apparatus includes interface circuitry configured to receive data indicating a measurement signal of a radar sensor. The apparatus further includes processing circuitry configured to determine a rate at which the measurement signal crosses a predefined value based on the data and determine presence of at least one of an interference signal and a target motion in a field of view of the radar sensor based on the rate.

Abstract: In accordance with an embodiment, radar system includes a radar sensor having a first antenna configured to emit a radar beam towards a predefined region. The radar system comprises a reflector spaced apart from the radar sensor and configured to redirect at least part of the radar beam towards a target region different from the predefined region. The radar sensor comprises a second antenna configured to receive a reflection of the radar beam originating from the target region.

Abstract: A radar system comprising a radar sensor is provided. The radar sensor comprises an antenna configured to emit a radar beam towards a predefined region. The radar system further comprises a reflector spaced apart from the radar sensor and configured to redirect at least part of the radar beam towards a target region different from the predefined region. The reflector is further configured to redirect a reflection of the radar beam originating from the target region onto the radar sensor.

Abstract: A device includes: a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, where N is an integer number greater than one; and a processor configured to: generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, where the 2D radar image includes azimuth and range information, generate a multi-dimensional data structure based on the 2D radar image using a transform function, compare the multi-dimensional data structure with a reference multi-dimensional data structure, and determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure.

Abstract: 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.

Abstract: A device includes: a millimeter-wave radar sensor circuit configured to generate N virtual channels of sensed data, where N is an integer number greater than one; and a processor configured to: generate a 2D radar image of a surface in a field of view of the millimeter-wave radar sensor circuit based on sensed data from the N virtual channels of sensed data, where the 2D radar image includes azimuth and range information, generate a multi-dimensional data structure based on the 2D radar image using a transform function, compare the multi-dimensional data structure with a reference multi-dimensional data structure, and determine whether liquid is present in the field of view of the millimeter-wave radar sensor circuit based on comparing the multi-dimensional data structure with the reference multi-dimensional data structure.

Abstract: 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.

Abstract: A display with an inner visible display area and an outer support area which does not provide a display function is enhanced with an electrode arrangement. The electrode arrangement provides for a substrate layer on which a transmitting electrode is arranged which is surrounded by a plurality of receiving electrodes, wherein at least the transmit electrodes is transparent and at least partially covers the inner visible display area and the receiving electrodes are arranged on portions of the substrate layer covering the outer support area.

Abstract: A capacitive sensor system has a receiving electrode with a capacitive coupling to a ground plane or ground electrode, a first transmission electrode arranged between the receiving electrode and the ground plane and having a size with respect to the receiving electrode such that the transmission electrodes covers a surface area of the receiving electrode, and a second transmission electrode arranged adjacent to the receiving electrode and which is not coupled with the first transmission electrode, wherein the second transmission electrode is driven with a higher alternating voltage than the first transmission electrode.

Abstract: A system with a processing system, an input device integrated within the processing system and coupled with the processing system, and a sensor arrangement integrated with the processing system and configured to monitor an area above the input device, and a controller coupled with the sensor arrangement to detect predefined input actions, wherein the controller is coupled with the processing system and wherein the predefined input actions are combined with inputs from the input device.

Abstract: A method for improving robustness of a capacitive sensor system has the following steps: a) operating the capacitive sensor system, wherein received sensor signals are filtered by a band-pass filter having a band-pass having a first center frequency; b) polling sensor data at a first rate using the sensor system; c) determining whether a polled sensor value is meeting a predetermined threshold; d) if the predetermined threshold is met: d1) polling sensor data at a second rate being higher than the first rate using the sensor system; d2) verifying that sensor data polled at the second rate are consistent; d3) if the sensor data polled at the second rate are inconsistent, then repeating at least step d2) wherein said band-pass filter is controlled to have a second center frequency.

Abstract: 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, wherein 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 wherein in the non-touch detection mode, the evaluation unit evaluates signals from the receiving electrodes to determine a three-dimensional position of an object; and 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.

Abstract: A system has a gesture detection device with a plurality of input channels and an output channel which uses an alternating electric near field generated through at least one transmission electrode coupled with the output channel, wherein some of the input channels are coupled with receiving electrodes of the gesture detection device. The system further has a plurality of touch electrodes, wherein the touch electrodes are coupled with one of the input channels by multiplexing.

Abstract: A system with a processing system, an input device integrated within the processing system and coupled with the processing system, and a sensor arrangement integrated with the processing system and configured to monitor an area above the input device, and a controller coupled with the sensor arrangement to detect predefined input actions, wherein the controller is coupled with the processing system and wherein the predefined input actions are combined with inputs from the input device.

Abstract: An electrode arrangement has a matrix with rows and columns of capacitive touch sensors arranged in a single layer, wherein each touch sensor has a first electrode and an associated second electrode, wherein the first electrodes in each row of the matrix are connected and the second electrodes in each column of the matrix are connected, and wherein the electrode arrangement further has a capacitive coupling operable to feed an alternating transmission signal only to the top and bottom row of connected first electrodes and to the most left and most right column of connected second electrodes.

Abstract: 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.

Abstract: 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.

Abstract: 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, wherein 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 wherein in the non-touch detection mode, the evaluation unit evaluates signals from the receiving electrodes to determine a three-dimensional position of an object; and 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.

Abstract: A display with an inner visible display area and an outer support area which does not provide a display function is enhanced with an electrode arrangement. The electrode arrangement provides for a substrate layer on which a transmitting electrode is arranged which is surrounded by a plurality of receiving electrodes, wherein at least the transmit electrodes is transparent and at least partially covers the inner visible display area and the receiving electrodes are arranged on portions of the substrate layer covering the outer support area.

Abstract: A capacitive sensor system has a receiving electrode with a capacitive coupling to a ground plane or ground electrode, a first transmission electrode arranged between the receiving electrode and the ground plane and having a size with respect to the receiving electrode such that the transmission electrodes covers a surface area of the receiving electrode, and a second transmission electrode arranged adjacent to the receiving electrode and which is not coupled with the first transmission electrode, wherein the second transmission electrode is driven with a higher alternating voltage than the first transmission electrode.