Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 27, 2021
Patent Application Number
15985263
Date Filed
May 21, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A proximity sensor, and a portable device equipped therewith, with at least two superposed sense electrodes, one partially screening the other. By reading the capacity first of one electrode, then of the other, while setting the potential of the counter-electrode either to ground or to guard, the sensor of the invention discriminates between a body part, or another electrically equivalent object, and water drops at closer distance.
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