A method for selectively activating a plurality of piezoelectric elements and its biometric recognition device
Users’ biometric information scanning method based on the substrate pressing point and its biometric recognition device
Users’ biometric information scanning method based on the substrate pressing point and its biometric recognition device
Users’ biometric information scanning method based on the fingerprint center point and its biometric recognition device
A method for selectively activating a plurality of piezoelectric elements and its biometric recognition device
Biometric recognition device using three-dimensional finger pattern and its biometric recognition method
Ultrasonic piezoelectric sensor manufacturing method, ultrasonic piezoelectric sensor manufactured by the method, and other ultrasonic recognition sensors
Apparatus for recognizing biometric information and method for activating a plurality of piezoelectric element individually