Lens switching apparatus for dual-lens optical scanner

Details Lens switching apparatus for dual-lens optical scanner Lens switching apparatus for dual-lens optical scanner

1996-12-16

1998-01-27

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359672, 355 55, G02B 2608

Patent

active

057127204

ABSTRACT:
A lens switching apparatus for a dual-lens optical scanner includes a base, a plurality of magnetic elements, a plurality of electromagnetic elements, a guiding assembly and a slide block. Two optical lens with different magnification are mounted on the slide block. The slide block may be moved and positioned in one direction when one of the electromagnetic element attracting one adjacent magnetic element while another electromagnetic element repulsive another adjacent magnetic element. The dual-lens mounted on the slide block thus can be switched as desired for scanning process.

REFERENCES:
patent: 4607949 (1986-08-01), Hakamada et al.

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