Suspension system for focus actuator of an optical disk drive

Details Suspension system for focus actuator of an optical disk drive Suspension system for focus actuator of an optical disk drive

1992-02-11

1994-02-22

Psitos, Aristotelis

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4416, 369 4422, G11B 700

Patent

active

052894452

ABSTRACT:
An optical focus actuator for a data storage system having an adjustable optical lens includes support member having top and bottom surfaces and a central throughbore extending between the top and bottom surfaces, an elongated movable lens support bobbin disposed in the throughbore, an electromagnetic actuator disposed between the support member and the movable lens support bobbin for moving the lens for adjustment thereof, and a wire support comprising a plurality of upper wire loops extending in opposed directions and looped about an upper end of the movable support bobbin and a plurality of lower loops extending in opposed directions and looped about a lower end of the movable support bobbin, the loops being supported at both ends by said support member.

REFERENCES:
patent: 4557564 (1985-12-01), van Rosmalen
patent: 4592037 (1986-05-01), Ohnuki
patent: 4633456 (1986-12-01), Luecke
patent: 4745589 (1988-05-01), Nomura
patent: 4769803 (1988-09-01), Yamamiya
patent: 4908816 (1990-03-01), Champagne et al.
patent: 5046820 (1991-07-01), Saekusa et al.
patent: 5136558 (1992-08-01), Getreuer et al.
IBM Technical Disclosure Bulletin vol. 23, No. 1, Jun. 1980.
IBM Technical Disclosure Bulletin vol. 19, No. 9, Feb. 1977.
IBM Technical Disclosure Bulletin vol. 23, No. 12, May 1981.

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