Uniform light generating system for testing an image-sensing...

Details Uniform light generating system for testing an image-sensing... Uniform light generating system for testing an image-sensing...

2011-03-01

2011-03-01

Nguyen, Sang (Department: 2886)

Optics: measuring and testing

By shade or color

Photography

C356S124000

Reexamination Certificate

active

07898663

ABSTRACT:
A uniform light generating system for testing an image-sensing device includes a light-generating unit, a light-transmitting unit, a light-diffusing unit, and a lens unit. The light-generating unit has a substrate and a plurality of light-emitting elements electrically disposed on the substrate. The light-transmitting unit has one side communicated with the light-generating unit for receiving and uniformizing light beams projected from the light-emitting elements. The light-diffusing unit has one side disposed on the other side of the light-transmitting unit for receiving and diffusing the light beams that have passed through the light-transmitting unit. The lens unit is disposed on the other side of the light-diffusing unit for transmitting the light beams that have passed through the light-diffusing unit to the image-sensing device.

REFERENCES:
patent: 2003/0223248 (2003-12-01), Cronin et al.

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