Operating a fingerprint sensor comprised of ultrasonic transducers

JC Salvia, HY Tang, MH Perrott, BW Garlepp… - US Patent …, 2019 - Google Patents
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 …

Device mountable packaging of ultrasonic transducers

JML Tsai - US Patent 10,445,547, 2019 - Google Patents
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 …

Operation of an ultrasonic sensor

BW Garlepp, MH Perrott, JC Salvia - US Patent 10,539,539, 2020 - Google Patents
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 …

Supplemental sensor modes and systems for ultrasonic transducers

N Apte, RM Berger, M Daneman - US Patent 10,441,975, 2019 - Google Patents
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 …

Receive operation of an ultrasonic sensor

BW Garlepp, JC Salvia, MH Perrott - US Patent 10,562,070, 2020 - Google Patents
(Continued) Primary Examiner–Carlos Garcia (57) ABSTRACT An ultrasonic sensor
includes a two-dimensional array of ultrasonic transducers including a plurality of sub-arrays …

Image generation in an electronic device using ultrasonic transducers

BW Garlepp, MH Perrott, M Daneman… - US Patent …, 2019 - Google Patents
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 …

Image generation in an electronic device using ultrasonic transducers

BW Garlepp, JC Salvia, M Daneman, N Apte… - US Patent …, 2020 - Google Patents
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 …

Sensing device with a temperature sensor

N Apte, RM Berger, M Daneman, JC Salvia - US Patent 10,408,797, 2019 - Google Patents
An electronic device including an array of ultrasonic transducers, a temperature sensor for
determining a temperature of the array of ultrasonic transducers, and a control module …

Transmit beamforming of a two-dimensional array of ultrasonic transducers

BW Garlepp, JC Salvia, Y Pan, MH Perrott - US Patent 10,706,835, 2020 - Google Patents
In a method for transmit beamforming of a two-dimensional array of ultrasonic transducers, a
beamforming pattern to apply to a beamforming space of the two-dimensional array of …

Transmit operation of an ultrasonic sensor

BW Garlepp, JC Salvia, Y Pan, MH Perrott - US Patent 10,600,403, 2020 - Google Patents
(Continued) Primary Examiner–Ian J Lobo (57) ABSTRACT An ultrasonic sensor includes a
two-dimensional array of ultrasonic transducers. A signal generator is configured to …