Flexure supported read head

Details Flexure supported read head Flexure supported read head

1986-12-22

1988-11-01

McElheny, Jr., Donald

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 44, 369112, G11B 7095

Patent

active

047824751

ABSTRACT:
The optical element assembly in a read head device is supported by a single four-member flexure structure that prevents the assembly from tilting while providing for tracking movement about an axis spaced from the optical element and for focusing movement along the direction of that axis. Preferably, the flexure structure is symmetrical and comprised of identical flexure members to optmize resonance characteristics and the center of mass of the optical element assembly is coincident with the pivot axis to isolate that element from inertial forces resulting from positioning movement of the read head device.

REFERENCES:
patent: 4592037 (1986-05-01), Ohnuki
patent: 4616355 (1986-10-01), Kasahara

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