Zoom lens having high speed multi-lens drive

Details Zoom lens having high speed multi-lens drive Zoom lens having high speed multi-lens drive

1993-08-11

1996-08-13

Nguyen, Thong Q.

Optical: systems and elements

Lens

With support

359694, 359696, 359813, G02B 702, G02B 1514

Patent

active

055462383

ABSTRACT:
A high speed zoom lens arrangement (2) including a plurality of lens elements (4,5), each being disposed along a common optical path (3). The zoom arrangement has a single optical drive (40) and piezoelectric clamps (10, 11, 20, 21), associated with each lens for selectively connecting each lens (4, 5) to the optical element drive (40). The arrangement moves the lenses (4, 5) along the common optical path (3) to change the focal length or the magnification of the arrangement (2).

REFERENCES:
patent: 4303324 (1981-12-01), Marcus
patent: 5016993 (1991-05-01), Akitake
patent: 5170089 (1992-12-01), Fulton
patent: 5289318 (1994-02-01), Sekine et al.
patent: 5293268 (1994-03-01), Ihara et al.

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