Laser control device with interval timer

Abstract From the Canadian patent

A laser control device includes a pulse repetition interval timer and a pulse width timer that upon each setting, directs one pulse having a predetermined pulse width to a laser system that emits a laser beam in response thereto. A pulse cycle timer is provided which sets the pulse width timer at preset intervals during a time period from its initial setting until the resetting thereof. The pulse repetition interval timer resets the pulse cycle timer when a predetermined time . - ~, has passed since the initial setting time and an acutator is, provided for simultaneously setting the pulse width timer the, pulse cycle timer and the interval timer.