Patent ID: 9239513
Filing Date: 2016-01-19
CPC Classification: F21L,F21V,F21Y,G03B

Claim Text:
1. A laser projection light, comprising: a housing; a laser unit for projecting laser beams over a projection area that extends above and to all sides of said housing; at least one light blocking wall extending from only one side of said housing into a corresponding one side of said projection area to prevent laser beams from entering the projection area on said one side of said housing, wherein said light blocking wall does not extend on sides of said housing other than said one side, thereby permitting said laser beams to enter a portion of the projection area that is not on said one side while protecting eyes of a person from said laser beams on said one side; and safety sensor means arranged on the housing for detecting a location of a person and turning off the laser beam when the person is within a predetermined safety range of the safety sensor means, said blocking wall providing additional protection for the eyes of the person when the person is outside the predetermined safety range.