The ultimate goal of error-proofing sensors? Catch the error at the workstation on a production line, so it's not on the finished item. Poka yoke, a Japanese term ...

Since the first industrial revolution, improving productivity has been a major goal for most manufacturing operations. Today, in the middle of the fourth industrial revolution, that hasn’t changed.

A mechanically adjustable sensing cutoff point allows a family of laser sensors to detect small objects with relatively low reflectivity while ignoring background objects immediately behind the set ...