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ULTRASONIC FINGERPRINT SENSOR
US 20200134279A1
Filed
: 10/23/2019
Published: 04/30/2020
Est. Priority Date
: 10/29/2018
Status: Active Grant
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Current Assignee
Fingerprint Cards AB
Original Assignee
Fingerprint Cards AB
Inventors
HANSEN, Roy
Granted Patent
US 11,042,721 B2
Time in Patent Office
Days
Field of Search
US Class Current
CPC Class Codes
G06V 40/1306
non-optical, e.g. ultrasoni...
G10K 11/34
using electrical steering o...
G10K 11/346
using phase variation
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