2019-08-16 Assigned to THE BOARD OF TRUSTEES OF THE LELAND STANFORD
JUNIOR UNIVERSITY reassignment THE BOARD OF TRUSTEES OF THE LELAND …

In a method for operating a fingerprint sensor comprising a plurality of ultrasonic
transducers, a first subset of ultrasonic transducers of the fingerprint sensor are activated …

An electronic device including an array of ultrasonic transducers for generating and
receiving ultrasonic signals, and an acoustic coupling layer overlying the array of ultrasonic …

In a method of using an ultrasonic sensor comprising a two-dimensional array of ultrasonic
transducers, a plurality of ultrasonic signals are transmitted according to a beam forming …

An acoustic biometric touch scanner device and method is disclosed. In one aspect, an
acoustic fingerprint sensing device includes an array of ultrasonic transducers configured to …

Some disclosed methods involve controlling an ultrasonic sensor system to transmit
ultrasonic waves and receiving signals from the ultrasonic sensor system corresponding to …

Abstract A Piezoelectric Micromachined Ultrasonic Transducer (PMUT) device is provided.
The PMUT includes a substrate and an edge support structure connected to the substrate. A …

(Continued) Primary Examiner–Carlos Garcia (57) ABSTRACT An ultrasonic sensor
includes a two-dimensional array of ultrasonic transducers including a plurality of sub-arrays …

A method for generating an image is provided. The method comprises capturing a first set of
image pixels by an ultrasonic sensor comprising an array of ultrasonic transducers using a …

A method for generating a composite image having an increased image pixel density by an
array of ultrasonic transducers having a given spatial density is provided. The method …