Method for providing plural magnified images

Details Method for providing plural magnified images Method for providing plural magnified images

2005-06-07

2005-06-07

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

Selective wavelength transmitting or blocking

C359S634000

Reexamination Certificate

active

06903880

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

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