System for thermally erasing data stored on an optical recording

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium

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Details

369 13, 369100, 3601302, 36013023, G11B 722

Patent

active

052821897

ABSTRACT:
A system for erasing data stored on an optical storage medium includes a housing, a guiding means mounted within the housing for guiding the optical recording medium on which the data is stored, and a heating means mounted in spaced-apart opposition to the guiding means for heating the optical recording medium to, thereby, thermally erase optical data stored on the medium.

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patent: 4686597 (1987-08-01), Johnston
patent: 4773060 (1988-09-01), Shimada et al.
patent: 4774702 (1988-09-01), Giacomel
patent: 4833663 (1989-05-01), Satoh et al.
patent: 4970707 (1990-11-01), Hara et al.
patent: 4970711 (1990-11-01), Martin et al.
patent: 4977549 (1990-12-01), Berg

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