Abstract: 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.

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 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 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: 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 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 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.

Abstract: A method for measuring sensor signals, has the steps: a) receiving a signal packet with a plurality of sampled sensor signals; b) determining a signal level from the sampled sensor signals; c) determining signal variations within the packet; d) comparing the determined signal variations with a predetermined noise threshold and if the variations are below the noise threshold then using the signal packet for further processing and if the variations are above the noise threshold then summing the signal level and repeating steps a) to c) and determining a predetermined number of repetitions has been reached and if so averaging the summed signal level.