Proximity sensor
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United States of America Patent
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Oct 26, 2021
Grant Date -
May 23, 2019
app pub date -
Oct 30, 2018
filing date -
Nov 20, 2017
priority date (Note) -
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Abstract
A proximity sensor installed inside a vehicle can include: an outer frame formed of a first non-conductive substance and including a first metal layer; an inner frame formed of a second non-conductive substance, including a second metal layer, and disposed in an interior of the outer frame; a sensor electrode contacting the second metal layer; and a sensor Integrated Circuit (IC) connected to the sensor electrode and configured to detect an approach or a contact of a user's hand. The first metal layer can be connected to the ground (GND) so as to confine a sensing field of the sensor electrode to the interior of the outer frame.
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