Invention Grant
- Patent Title: Integrating capacitive sensing with an optical sensor
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Application No.: US16217037Application Date: 2018-12-11
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Publication No.: US10698529B2Publication Date: 2020-06-30
- Inventor: Guozhong Shen
- Applicant: FINGERPRINT CARDS AB
- Applicant Address: SE Gothenburg
- Assignee: FINGERPRINT CARDS AB
- Current Assignee: FINGERPRINT CARDS AB
- Current Assignee Address: SE Gothenburg
- Agency: RMCK Law Group, PLC
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044 ; G06K9/00 ; G06F3/042

Abstract:
Embodiments herein provide a dual optical and capacitance sensor. During a first time period, the dual sensor uses optical sensing to capture a fingerprint (e.g., to identify or verify the fingerprint). During a second time period, the dual sensor uses one or more capacitive sensor electrodes to perform capacitive sensing. The capacitive sensing may be absolute capacitive sensing or transcapacitive sensing.
Public/Granted literature
- US20190114030A1 INTEGRATING CAPACITIVE SENSING WITH AN OPTICAL SENSOR Public/Granted day:2019-04-18
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