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Signal recorder-reproducer using a coherent light source and a photographic film record

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3 Author(s)
Peters, Charles J. ; Peters-Halewijn Co., Wayland, Mass. ; Halewijn, H.J. ; Bicknell, W.E.

A recording system, using microfilm as the record medium, and consisting of a gas laser, an electrooptic modulator, and a photodetector has been investigated. Data are presented on the noise spectrum, linearity, frequency response, and error rate of this recording process. A machine which records 36 individual tracks on 8- mm wide microfilm has also been constructed and tested. Design considerations and operating performance of this machine are presented.

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Proceedings of the IEEE  (Volume:58 ,  Issue: 6 )