IDENTIFICATION MODE AND INPUT MODE OPERATED INPUT DEVICE
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United States of America Patent
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May 16, 2017
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May 18, 2016
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An input device includes an input area, an optical or capacitive sensor which includes a scan area, and an analyzing unit. The optical or capacitive sensor detects a surface structure of a finger touching the input area in the scan area. The input device operates in an identification mode where the surface structure located in the scan area is detected via the optical or capacitive sensor. The input device also operates in an input mode where at least a sub-area of the scan area is detected at least once via the optical or capacitive sensor and is analyzed by the analyzing unit so that the analyzing unit assigns at least one of a control function and a switch function to a relative movement of the surface structure in the sub-area.
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