Driving unit and optical pick-up device including the same

Details Driving unit and optical pick-up device including the same Driving unit and optical pick-up device including the same

2009-07-16

2010-10-12

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S694000

Reexamination Certificate

active

07813063

ABSTRACT:
The present invention relates to a driving unit capable of implementing a long stroke drive while achieving height reduction of the driving unit. The driving unit is provided with a driving mechanism for driving a driven body. The driving mechanism includes: a bendable displaceable member that is fixated at one end and, through electric control, bent and displaced at the other end; a driving direction-changing member changing a direction of the bending and displacement of the bendable displaceable member to a driving direction of the driven body, the driving direction of the driven body being perpendicular to the direction of the bendable displaceable member; a contact member frictionally engaged with the driving direction-changing member and driving the driven body; and a precompression member mounted in the driven body and precompressing the contact member towards the driving direction-changing member.

REFERENCES:
patent: 4303324 (1981-12-01), Marcus
patent: 5150260 (1992-09-01), Chigira
patent: 5225941 (1993-07-01), Saito et al.
patent: 2003/0052573 (2003-03-01), Wischnewskiy
patent: 4-69070 (1992-03-01), None
patent: 2003-45068 (2003-02-01), None
patent: 2008-96931 (2008-04-01), None
patent: 2008-96932 (2008-04-01), None
patent: WO-2007/063359 (2007-06-01), None
patent: WO-2008/047782 (2008-04-01), None

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