Multi-wavelength aperture and vision system and method using...

Details Multi-wavelength aperture and vision system and method using... Multi-wavelength aperture and vision system and method using...

2005-03-22

2005-03-22

Epps, Georgia (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S722000

Reexamination Certificate

active

06870684

ABSTRACT:
A method and system for providing different images representing plural depths of field of an electronic device. The vision system has a beamsplitter for receiving an image of the device illuminated by the at least one light source, the beamsplitter providing one of the plurality of images of the device based in a wavelength of the light source; an aperture having a plurality of effective diameters based on the wavelength of light from the at least one light source, the aperture determining a depth of field of the image of the device; and an optical element for receiving the image of the device, the optical element magnifying the image by a predetermined magnification factor to produce a magnified image having the determined depth of field.

REFERENCES:
patent: 3895854 (1975-07-01), Ziffer
patent: 5048926 (1991-09-01), Tanimoto
patent: 5515169 (1996-05-01), Cargill et al.
patent: 5751473 (1998-05-01), Runciman
patent: 5982493 (1999-11-01), Lehnen et al.
patent: 6008943 (1999-12-01), Metelitsa
patent: 6407867 (2002-06-01), Hildebrandt

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