Hand Held Products, Inc.

Joël Esponde

Vincent Bessettes

Jean Hubert Desvernay

A mark reader apparatus has a lens and an autofocus system that manipulates the lens in accordance with control signals. An image acquisition system measures a distance from the lens to a dot peened mark. A processor is programmed to: calculate a focus position for the autofocus system that focuses the lens on the dot peened mark; apply an offset to the calculated focus position to produce an offset focus position; control the autofocus system by positioning the autofocus system to the offset focus position; and via the image acquisition system, acquire an image of the mark with the autofocus system set to the offset focus position.

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Renneville, France

Joël Esponde