Photoelectric sensor with a circular polarizing lens attached to its housing

A photoelectric sensor, comprising:

• a housing having a light transmissive operative face;
• a light source disposed within said housing;
• a light sensitive device disposed within said housing, said light source and said light sensitive device being disposed in light transmission relation with said operative face;
• and
• a laminated polarizer being attached to an outer surface of said operative face of said housing in light transmission relation with said operative face, said polarizer having a planar portion, said planar portion having a periphery, said periphery being encapuslated within a molded rim, said molded rim being rigidly attached to said housing, said molded rim is ultrasonically welded to said housing, said molded rim is fused to said housing along a raised ridge of said molded rim.

A photoelectric sensor, comprising:

• a generally cylindrical housing having a light transmissive operative face disposed at an end of said housing:
• a light emitting diode and a light sensitive device disposed within said housing in light transmission relation with said operative face;
• and
• a laminated polarizer being attached to an outer surface of said housing in light transmission relation with said operative face, said polarizer having a planar portion, said planar portion having a periphery, said periphery being encapsulated within a molded annular rim, said molded annular rim having a raised ridge fused with said housing, said light emitting diode being an infrared light emitting diode, said operative face being an integral portion of said housing, said operative face comprising at least one lens, and said housing and said operative face being plastic.