Spatial and temporal-based diffusive correlation spectroscopy systems and methods

R Horstmeyer, H Zhou, Y Shen, H Ruan - US Patent 11,213,245, 2022 - Google Patents
US11213245B2 - Spatial and temporal-based diffusive correlation spectroscopy systems
and methods - Google Patents US11213245B2 - Spatial and temporal-based diffusive …

Methods and systems for homogenous optically-pumped vapor cell array assembly from discrete vapor cells

SJ Seidman, E Pratt, JK Gormley, DB Decker… - US Patent …, 2022 - Google Patents
A method of making an array of vapor cells for an array of magnetometers includes providing
a plurality of separate vapor cell elements, each vapor cell element including at least one …

Wearable devices and wearable assemblies with adjustable positioning for use in an optical measurement system

SJ Seidman, J Rines, R Field, I Olvera… - US Patent …, 2023 - Google Patents
An optical measurement system includes a wearable device including a support assembly
configured to be worn on a body of a user and a wearable assembly supported by the …

Non-invasive measurement systems with single-photon counting camera

H Ruan, H Zhou, Y Shen, R Horstmeyer - US Patent 11,213,206, 2022 - Google Patents
An exemplary non-invasive measurement system includes a single-photon counting camera
and a processor. The single photon counting camera includes an array of SPAD detectors …

Phase lock loop circuit based signal generation in an optical measurement system

J Dahle, B Do Valle, R Jin, R Field… - US Patent …, 2022 - Google Patents
An exemplary system includes a PLL circuit and a precision timing circuit connected to the
PLL circuit. The PLL circuit has a PLL feedback period defined by a reference clock and …

Systems, circuits, and methods for reducing common-mode noise in biopotential recordings

B Do Valle, I Olvera, R Field - US Patent 12,144,653, 2024 - Google Patents
An illustrative biopotential measurement system includes a plurality of electrodes each
configured to record a different signal included in a plurality of signals representative of …

Techniques for characterizing a nonlinearity of a time-to-digital converter in an optical measurement system

S Sorgenfrei, VA Gopalakrishnan, K Perdue… - US Patent …, 2024 - Google Patents
An illustrative optical measurement system includes a signal generator configured to
generate a signal and a processing unit configured to direct the signal generator to apply the …

Magnetic field measurement or recording systems with validation using optical tracking data

G Iwata, R Jiménez-Martínez, J Alford - US Patent 11,428,756, 2022 - Google Patents
A magnetic field recording system includes a headgear for a user; optically pumped
magnetometers (OPMs) disposed in or on the headgear to detect magnetic fields and, in …

Time domain-based optical measurement systems and methods configured to measure absolute properties of tissue

H Katnani, K Perdue, R Field, I Olvera - US Patent 12,029,558, 2024 - Google Patents
A wearable module for use in an optical measurement system includes a light guide
configured to receive a light pulse from a light source and guide signal photons included in …

High density optical measurement systems with minimal number of light sources

R Field, H Katnani, K Perdue - US Patent 11,187,575, 2021 - Google Patents
An illustrative optical measurement system may include a wearable assembly configured to
be worn by a user and comprising a plurality of light sources each configured to emit light …