Touchsensor Technologies, LLC

Randall Philipson

Randall A Hornig

A fluid level sensor includes fluid sensing electrodes, reference electrodes, and a controller. The reference electrodes compensate for temperature fluctuations about the fluid electrodes. The controller determines fluid level based on the response of the fluid electrodes to the presence of the fluid in proximity thereto.

Capacitive continuous fluid level sensor

A magnetic encoder knob system includes a knob associated with a first side of a substrate and a magnetic encoder associated with a second side of the substrate. First and second magnets are disposed in or on the knob such that magnetic flux lines extending between the first and second magnets pass through the encoder so that the encoder responds to rotation of the magnetic flux lines in response to rotation of the knob.

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Naperville, IL, United States of America

Randall Philipson