Optical scanner

Details Optical scanner Optical scanner

1991-07-26

1993-02-02

LaRoche, Eugene R.

Registers

Coded record sensors

Particular sensor structure

235439, 369 4415, 369 4416, G06K 710, G06K 714, G06K 700, G11B 700

Patent

active

051840022

ABSTRACT:
An optical scanner has focusing elements rotatable about a fixed axis. The elements are each mounted on a flexible radially extending suspension arm. A magnet is carried by each arm and passes a coil extending along the path of the elements. Current to the coil is controlled to induce movement of the arm in a direction parallel to the axis of rotation and effect focusing of the elements.

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IBM Technical Bulletin, vol. 6, No. 8, Jan. 1964.
Ishibashi, "Optical Storage Technology and Applications", SPIE, vol. 899 (1988).

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