发明名称 HALF-BRIDGE FINGERPRINT SENSING METHOD
摘要 Fingerprint detection circuits with common mode noise rejection are described. The Fingerprint detection circuit includes a half-bridge circuit coupled to a receive (RX) electrode of an array of fingerprint detection electrodes and to a buried capacitance that is unalterable by the presence of a conductive object on the array. The fingerprint detection circuit may also include a listener electrode configured to enable common mode noise rejection through a differential input stage of a low noise amplifier (LNA).
申请公布号 WO2017044386(A1) 申请公布日期 2017.03.16
申请号 WO2016US50186 申请日期 2016.09.02
申请人 CYPRESS SEMICONDUCTOR CORPORATION 发明人 KRAVETS, Igor;OGIRKO, Roman;KLEIN, Hans;HOSHTANAR, Oleksandr
分类号 G06K9/00 主分类号 G06K9/00
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