Search Results - matthew+johnston

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Body heat-powered heart beat detection circuit

Technology Description The inventors have designed, implemented, and demonstrated an integrated circuit architecture for robust and automated detection of heartbeats from a two-electrode ECG signal. This uses sufficiently low power (~20μW) that it can be powered entirely by human body heat from a cm-scale TEG module at ~20mV, including wireless...

Published: 6/23/2023 | Inventor(s): Soumya Bose, Boyu Shen, Matthew Johnston

Keywords(s): battery-less sensors, biosensor, heart rate monitor

Category(s): Engineering, Medical Devices, Nanoscience & Microtechnologies, Physical Science, Device, Diagnostics

Self-Starting Thermoelectric Energy Harvester

An integrated circuit that can cold start a DC-DC boost converter on a very small input voltage Background Energy harvested from body heat using thermoelectric generators (TEG) can be used to power wearable electronics, such as wireless sensors. However, owing to the small temperature gradient between the skin surface and ambient air (∼1-2...

Published: 6/10/2024 | Inventor(s): Soumya Bose, Matthew Johnston, Tejasvi Anand

Keywords(s): Energy harvesting, thermoelectric, wearable electronics

Category(s): Engineering, Database, Medical Devices, Nanoscience & Microtechnologies, Physical Science

Wind turbine sensor array for monitoring avian and bat collisions v2.0

Technology Description An integrated multi-sensor detection package with event-based data collection has been developed using accelerometers, microphones, and a camera coupled with integrated signal processing. The sensors are installed directly on wind turbine blades and on-board processors wirelessly transmit data to the central controller and data...

Published: 5/10/2021 | Inventor(s): Roberto Albertani, William Maurer, Matthew Johnston, Kyle Clocker

Keywords(s): bird deterrent, collision deterrent, Detection, environment monitoring, sensor, Sensor-based monitoring, wind turbine

Category(s): Sustainability & Cleantechnologies, Research Tools