Safety guards and devices including guarding systems and control systems for machinery; light beam transmission and detection devices and associated control apparatus for stopping machinery upon interruption of the light beam; imaging systems and devices used for controlling operation of machinery, including controlling machinery dependent upon an imaged workpiece such as in an industrial press; all the foregoing being devices for the control of machinery

Safety guards and devices including guarding systems for machinery; light beam transmission and detection devices and associated control apparatus for stopping machinery upon interruption of the light beam; imaging systems and devices used for controlling operation of machinery, including controlling machinery dependent upon an imaged workpiece such as in an industrial press; all the foregoing being devices for monitoring operation of machinery, or being safety systems or devices for machinery