MULTIFUNCTIONAL TOUCH AND/OR PROXIMITY SENSOR
First Claim
1. A sensor device, comprisingat least one first sensor element for the detection of a touch and/or an approach, which is configured as a capacitive sensor element and which comprises a first electrode structure, comprising a transmitting electrode and a reception electrode, wherein a first alternating electrical field emitted by the transmitting electrode is coupleable into the reception electrode,at least one second sensor element, andan evaluating device, which is coupled with the at least one first sensor element and with the at least one second sensor element, wherein the evaluating device is configured to evaluate a first signal tapped from the reception electrode of the first sensor element and at least one second signal provided by the second sensor element and to generate at least one detection signal dependent on the evaluation.
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Accused Products
Abstract
A sensor device has at least one first sensor element for detecting a touch and/or an approach, which is configured as a capacitive sensor element and which has a first electrode structure with a transmitting electrode and a reception electrode, wherein a first alternating electrical field emitted by the transmitting electrode may be coupled into the reception electrode,—at least one second sensor element, and—an evaluating device, which is coupled with the at least one first sensor element and with the at least one second sensor element, wherein the evaluating device is configured to evaluate a first signal tapped from the reception electrode of the first sensor element and at least one second signal provided by the second sensor element and to generate at least one detection signal dependent on the evaluation.
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Citations
22 Claims
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1. A sensor device, comprising
at least one first sensor element for the detection of a touch and/or an approach, which is configured as a capacitive sensor element and which comprises a first electrode structure, comprising a transmitting electrode and a reception electrode, wherein a first alternating electrical field emitted by the transmitting electrode is coupleable into the reception electrode, at least one second sensor element, and an evaluating device, which is coupled with the at least one first sensor element and with the at least one second sensor element, wherein the evaluating device is configured to evaluate a first signal tapped from the reception electrode of the first sensor element and at least one second signal provided by the second sensor element and to generate at least one detection signal dependent on the evaluation.
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13. A method for providing a detection signal, wherein
a first signal is tapped from a reception electrode of a first sensor element, wherein the first sensor element is configured as a capacitive sensor element and comprises a first electrode structure, which comprises a transmitting electrode and the reception electrode, wherein a first alternating electrical field emitted by the transmitting electrode is coupled into the reception electrode, the first signal is evaluated, a second signal is evaluated, which is provided by a second sensor element, and a detection signal is generated, which depends on the evaluated first signal and on the evaluated second signal.
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20. An electric hand-held device comprising a sensor device comprising
at least one first sensor element for the detection of a touch and/or an approach, which is configured as a capacitive sensor element and which comprises a first electrode structure, comprising a transmitting electrode and a reception electrode, wherein a first alternating electrical field emitted by the transmitting electrode is coupleable into the reception electrode, at least one second sensor element, and an evaluating device, which is coupled with the at least one first sensor element and with the at least one second sensor element, wherein the evaluating device is configured to evaluate a first signal tapped from the reception electrode of the first sensor element and at least one second signal provided by the second sensor element and to generate at least one detection signal dependent on the evaluation.
Specification