A.c. Dispensing Equipment Inc.

Kenneth MacGillivary

Daniel Cantin

Ian Maclean

Derek Cole

Brian Gay

P Gregory Erman

Anthony Alkins

Michael Rankin

An optical liquid height determination system of the present embodiments includes light sensors capturing different amounts of light, based on level of liquid in the tank that blocks or limits light to particular sensors. The tank is enclosed in a container with a light source and the light sensors are installed on walls of the container. Light emitted by the light source is transmitted to the light sensors by passing through the liquid product, scattered, diffused, diffracted or reflected by the dairy product, through the tank walls which may be transparent or translucent, or from other surfaces in the container within which the tank is enclosed by. The set of electrical signals received from all the light sensors are compared against sets of calibrated signals corresponding to known liquid levels in the tank. The known height corresponding to the nearest set of calibrated signals is determined as the measured liquid height in the tank.

Optical liquid level measurement system for dispensing apparatus

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Oakfield, Canada

Kenneth MacGillivary