Patent attributes
An infrared light emitting and receiving system (10) includes an infrared light emitting device (100), and an infrared light receiving device (200). The infrared light emitting device including a heat sink (102), at least a heat pipe (104), a metallic plate (106), and at least an infrared light source (108) in thermal connections with one other in that order. The infrared light receiving device receives infrared light beams (300) emitted from the infrared light emitting device, the infrared light receiving device comprising a lens barrel (202), at least one lens (204) received in the lens barrel, an infrared passband filter (220) formed on the at least one lens, a sensor housing (212) coupled to the lens barrel, and an image sensor (230) received in the sensor housing.
