Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specified detail of transducer assembly support structure
Patent
1993-10-19
1995-08-29
Levy, Stuart S.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specified detail of transducer assembly support structure
369 4415, 359813, G02B 702, G11B 700
Patent
active
054467217
ABSTRACT:
In an objective lens driving apparatus used in an optical information recording and reproducing apparatus or the like, a vibration is suppressed and a resonance peak on transfer function is suppressed when movable portions are moved in focusing and tracking directions and when these portions are turned around focusing and tracking directions. An elastic body which supports the movable portions movably in two directions, i.e., focusing direction and tracking direction to a fixed portion includes a bent portion in an intermediate portion between the side of movable portion and the side of fixed portion. A damper member is adhered to bridge a gap between a branched arm portion branching from a linear portion extending from the side of movable portion, and a fixed portion. The bent portion couples two linear portions and which are not on the same line.
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Inui Toshiharu
Nakata Yasuo
Ogata Nobuo
Sato Hideaki
Sekimoto Yoshihiro
Korzuch William R.
Levy Stuart S.
Sharp Kabushiki Kaisha
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