Patent ID: 7476848
Filing Date: 2009-01-13
Classification: G01B,G01D,H03K

Abstract:
1. An optical sensor for detecting objects within an area to be monitored, said sensor comprising: optical and electronic components forming a sensor assembly unit; at least one casing to accommodate the sensor assembly unit, the at least one casing comprising casing parts, wherein the casing parts comprise a low-pressure injection molding compound and are formed by a low-pressure injection molding operation, wherein at least one of said casing parts comprises a casing body that seals and encases the sensor assembly unit during the low-pressure injection molding operation; light-guiding parts comprising low-pressure injection molding compound; a light-emitting, status indicating element; a light guiding element comprising low-pressure injection molding compound to guide light from the light-emitting, status indicating element to a light exit surface on the outside of the casing; and a low-pressure injection molding channel filled with a low-pressure injection molding compound, wherein the low-pressure injection molding channel coupled along an interior surface of said casing and filled with the low-pressure injection molding compound forms the light guiding element.