Motion blur compensation for moving media optical data recording

Details Motion blur compensation for moving media optical data recording Motion blur compensation for moving media optical data recording

1977-08-29

1978-12-19

Hecker, Stuart N.

Static information storage and retrieval

Read/write circuit

Optical

1791003G, 358128, 365120, 365234, G11C 1308, G11C 700

Patent

active

041308980

ABSTRACT:
An optical data recording system in which during recording the writing beam is made to move at the same velocity as the recording medium whereby motion blur is minimized or reduced. Movement of the writing beam at the same velocity as the recording medium is achieved by supplying a constantly varying frequency RF signal to an acousto-optic device which deflects (diffracts) the writing beam in accordance with the instantaneous frequency of the RF signal. The acousto-optic device can also be utilized to amplitude modulate the writing beam.

REFERENCES:
patent: 3774172 (1973-11-01), Silverman
patent: 4051528 (1977-09-01), Takeda et al.

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