Optical tape recorder using a resonant flexure scanner

Details Optical tape recorder using a resonant flexure scanner Optical tape recorder using a resonant flexure scanner

1991-10-08

1993-01-05

Hannaher, Constantine

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4437, 369 4415, G11B 712

Patent

active

051777240

ABSTRACT:
An optical tape recorder uses a resonant flexure scanner to scan across the width of optical tape in a straight or nearly straightline. The use of flexure eliminates bearings in the scanner design and lowers cost. High data rate is achieved by using a multi-channel laser diode array for writing, imaged by a single moving lens mounted on the scanner. The use of a highly resonant scanner enables to interpolate the position of the lens by knowing the amplitude and frequency of the scanner. The flexing part of the scanner is a single flat spring or a combination of flat springs arranged to generate linear motion.

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

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