257 patents
Page 2 of 13
Utility
Acoustic activity detection
12 Sep 23
Acoustic activity detection is provided herein.
Tomas Pitak, Igor Mucha, Robert Dick, Michael Tuttle
Filed: 6 Aug 21
Utility
Actuator layer patterning with polysilicon and etch stop layer
22 Aug 23
A method includes forming an etch stop layer over a first side of a device wafer.
Ashfaque Uddin, Daesung Lee, Alan Cuthbertson
Filed: 28 May 21
Utility
Surface type detection
22 Aug 23
A robotic cleaning appliance includes a housing, surface treatment item, surface type detection sensor, and processor.
James Alexander Gordon, David Horsley, Sebastien Riccardi
Filed: 11 Jul 22
Utility
Micromachined ultrasound transducer using multiple piezoelectric materials
25 Jul 23
A transducer includes first and second piezoelectric layers made of corresponding different first and second piezoelectric materials and three or more electrodes, implemented in two or more conductive electrode layers.
Stefon Shelton, Andre Guedes, Richard Przybyla, Meng-Hsiung Kiang, David Horsley
Filed: 18 Feb 20
Utility
Ultrasonic range sensing enables measured social contact
27 Jun 23
A method, system and computer readable medium for Ultrasound contact tracing comprising receiving one or more advertise messages determining a base station from the one or more advertise messages wherein the base station generates a broadcast order from at least the one or more advertise messages.
Richard J. Przybyla, Sebastien Riccardi, BenoƮt Lachal
Filed: 29 Mar 21
Utility
Stiction reduction system and method thereof
30 May 23
Methods and systems for reducing stiction through roughening the surface and reducing the contact area in MEMS devices are disclosed.
Daesung Lee, Ian Flader, Alan Cuthbertson, Emad Mehdizadeh
Filed: 19 Feb 20
Utility
Active stiction recovery
23 May 23
A device includes a micro-electromechanical system (MEMS) device layer comprising a proof mass.
Ian Flader
Filed: 10 Jul 20
Utility
Demodulation phase calibration using external input
16 May 23
A MEMS device may output a signal during operation that may include an in-phase component and a quadrature component.
Doruk Senkal, Houri Johari-Galle, Joseph Seeger
Filed: 26 May 22
Utility
Device mountable packaging of ultrasonic transducers
16 May 23
A mobile device including a processor, a memory unit, a display device disposed on a first surface of the mobile device, and a fingerprint sensor disposed on a second surface of the mobile device, wherein the second surface is a curved surface having a curvature such that the fingerprint sensor is curved to match the curvature of the curved surface.
Julius Ming-Lin Tsai
Filed: 2 Oct 19
Utility
Determining touch applied to an ultrasonic sensor
25 Apr 23
In a method for determining touch applied to an electronic device, ultrasonic signals are emitted from an ultrasonic sensor.
Eitan Medina, Behrooz Abdi, Sam Massih, Romain Fayolle, Hao-Yen Tang
Filed: 28 Jun 21
Utility
Method for improving die area and power efficiency in high dynamic range digital microphones
25 Apr 23
Exemplary multipath digital microphones described herein can comprise exemplary embodiments of automatic gain control and multipath digital audio signal digital signal processing chains, which allow low power and die size to be achieved as described herein, while still providing a high DR digital microphone systems.
Igor Mucha, Michael Perrott
Filed: 24 Jul 20
Utility
Microphone MEMS diaphragm and self-test thereof
18 Apr 23
A device includes a micro-electromechanical system (MEMS) element configured to sense acoustic signals.
Marek Matej, Stefano Riva
Filed: 25 Feb 22
Utility
Transmit beamforming of a two-dimensional array of ultrasonic transducers
11 Apr 23
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 ultrasonic transducers is defined.
Bruno W. Garlepp, James Christian Salvia, Yang Pan, Michael H. Perrott
Filed: 6 Jul 20
Utility
Piezoelectric micromachined ultrasound transducer device with piezoelectric barrier layer
11 Apr 23
A piezoelectric micromachined ultrasound transducer (PMUT) device may include a plurality of layers including a structural layer, a piezoelectric layer, and electrode layers located on opposite sides of the piezoelectric layer.
Emad Mehdizadeh, Bongsang Kim, Chienliu Chang, Leonardo Baldasarre, Nikhil Apte, Xiaoyue Jiang, Mei-Lin Chan
Filed: 7 Feb 19
Utility
Actuator layer patterning with topography
4 Apr 23
A method including fusion bonding a handle wafer to a first side of a device wafer.
Daesung Lee, Alan Cuthbertson
Filed: 8 Mar 21
Utility
Sensor linearization based upon correction of static and frequency-dependent non-linearities
4 Apr 23
Methods and systems for compensation of a microelectromechanical system (MEMS) sensor may include associating test temperature values with input test signal values, identifying temperature-input signal pairs, and applying one of the test temperature values and one of the test signal values to the MEMS sensor.
Vito Avantaggiati
Filed: 10 Jun 21
Utility
System and method for position correction
28 Feb 23
Devices and methods for providing an enhanced navigation solution are disclosed that involve detecting correction events along a trajectory of a device.
Kyle Chau, Zainab Syed, Curtis Pidgeon, Christopher Goodall
Filed: 26 Nov 19
Utility
Reducing delamination in sensor package
21 Feb 23
A sensor can comprise a sensor die with a first sensor surface and a second sensor surface opposite to the first sensor surface.
Efren Lacap
Filed: 30 Jul 20
Utility
Piezoelectric micromachined ultrasound transducer device with multi-layer etched isolation trench
14 Feb 23
A piezoelectric micromachined ultrasonic transducer (PMUT) device includes a layer of piezoelectric material that is activated and sensed by an electrode and a conductive plane layer.
Chienliu Chang
Filed: 14 Nov 19
Utility
Method and system for automatic factory calibration
7 Feb 23
A sensor may be automatically calibrated during manufacture by providing a sensor processing unit having an integrated sensor, performing a check to determine if the integrated sensor has been previously calibrated upon a reset.
Joe Youssef, Karthik Katingari, Sebastian Riccardi, Hemabh Shekhar
Filed: 6 Dec 18