FPC 광학식 지문센서1 FPC, 초음파,광학식 지문센서 특허 공개, 국가별 등록된 특허 목록 FPC, 초음파 지문센서 특허 공개 https://patents.justia.com/patent/20200134279 https://patents.google.com/patent/US20200134279A1 ULTRASONIC FINGERPRINT SENSOR SUMMARY It is an objective of the present invention to provide an improved ultrasonic fingerprint sensor. According to an aspect of the present invention, there is provided an ultrasonic fingerprint sensor comprising an array of ultrasonic transducers,.. 2020. 6. 13. 이전 1 다음