Patent ID: 6290382
Filing Date: 2001-09-18
Classification: G01N,G02B,H01L

Abstract:
An illumination fixture for illuminating an object at a machine-vision station comprising:a plurality of light-emitting diode (LED) light sources;a fiber-optic assembly having a common first bundle end and plurality of second ends, wherein the common first end comprises a bundled arrangement of first ends of individual optical fibers, and the second ends are optically coupled to receive light from the plurality of LEDs, and the second ends are in fiber-optic communication with the common first bundle end such that substantially all light in the fiber-optic assembly from the LEDs is output and leaves the fixture at the bundled first ends of individual fibers; anda plurality of pipe cells, wherein each one of the plurality of LED light sources is associated with a respective pipe cell that serves to focus light from its LED light source into one or more of the fibers.