Patent ID: 8013998
Filing Date: 2011-09-06
Classification: B23K,F16P

Abstract:
1. Arrangement for detecting penetration of continuous or pulsed laser radiation in a sectional area limited by at least one of two walls of a housing of a protective double-wall element system including at least one receiver constructed and arranged for detection of the radiation connected to an evaluation circuit, the sectional area being defined between an inner wall and an outer wall of the double-wall element of the protective wall system, the arrangement comprising a breach in the outer wall of the housing, the breach containing a transmitter/receiver unit, comprising a plurality of receivers located on the circumference of a tubular jacket, and a plurality of transmitters concentrically surrounding the receivers in a circle, each of said receivers having one of said transmitters assigned thereto for self-monitoring, the one of said transmitters assigned thereto being located diametrically opposite thereto, wherein the tubular jacket holding the receivers extends inside into the sectional area, and the transmitters are arranged concentrically in relation to the cylindrical jacket.