Lens device

Details Lens device Lens device

1997-01-21

1998-06-16

Ben, Loha

Optical: systems and elements

Lens

With support

359823, 359814, G02B 702

Patent

active

057680388

ABSTRACT:
A device for moving a lens includes a lens frame; a guiding member for guiding the lens frame; a signal generator for generating an electric signal; a piezoelectric vibrator for moving the lens frame along the guiding member by vibration according to the electric signal; a supporter for supporting the piezoelectric vibrator; a pressure surface to be in pressure contact with the piezoelectric vibrator; and pressure member for bringing the piezoelectric vibrator into pressure contact with the pressure surface.

REFERENCES:
patent: 5225941 (1993-07-01), Saito et al.
patent: 5576894 (1996-11-01), Kuwana et al.
patent: 5587846 (1996-12-01), Miyano et al.
patent: 5633763 (1997-05-01), Suzuki et al.
patent: 5644440 (1997-07-01), Akada

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