Optical head

Details Optical head Optical head

1992-03-25

1993-11-16

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4411, 369 4414, 359209, G11B 700

Patent

active

052630145

ABSTRACT:
An optical adjusting unit comprises a cylindrical block base, cylindrical holders rotatably attached to both ends of the block base, and first and second light-transmission plate-like members attached to the top ends of these cylindrical holders at a predetermined angle to an optical axis. The center of the hole of each of the holders is arranged to be consistent with the center of the optical axis, and independently rotates around the center of the optical axis by sliding these holders on the receiving surface of the block base.

REFERENCES:
patent: 4414684 (1983-11-01), Blonder
patent: 4969137 (1990-11-01), Sugiyama et al.
patent: 5072436 (1991-12-01), Honda
patent: 5140572 (1992-08-01), Kibune et al.

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