US Patent 11363798 Position control of pet bowl

An automatic pet feeder, comprising a bowl with a plurality of compartments, a cover and a sensor, the bowl being rotated relative to the cover to sequentially expose each the compartments, the bowl having location regions detectable by the sensor, each location region having a first edge and a second edge, the motor being driven at a first speed until the first edge is detected, and the motor being driven at a second, slower speed until the second edge is detected, stopping the motor.