Light source equipment optical scanner and data reading apparatu

Optical: systems and elements – Lens – Including a nonspherical surface

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Details

359719, 359711, 359205, 359206, 359668, 362259, 23546242, G02B 302

Patent

active

060522364

ABSTRACT:
The light source equipment is provided with a light source and an anamorphic single lens. The anamorphic single lens has different refracting powers in the x and y directions orthogonal to each other, and converts a light from the light source to a light beam in a required state. Farther the anamorphic single lens satisfies the following equation :

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patent: 5756981 (1998-05-01), Roustaei et al.
patent: 5790576 (1998-08-01), Waarts et al.
patent: 5828480 (1998-10-01), Nakamura et al.

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