Signal storage system

Details Signal storage system Signal storage system

1985-02-04

1987-06-30

Atkinson, Charles E.

Excavating

360 32, 360 53, G06F 1110

Patent

active

046776214

ABSTRACT:
An analog signal is stored in an analog memory device, while lower bits of a digital signal obtained by digitizing the analog signal is stored in a digital memory device. An analog signal reproduced from the analog memory device is corrected on the basis of a digital signal reproduced from the digital memory device. The corrected reproduced signal is stored in the memory device again, whereby a recursive storage system is constructed. A signal component degraded by noise in the analog storage is corrected with the digital signal, with the result that storage and reproduction of favorable signal-to-noise ratio are realized.

REFERENCES:
patent: 4423441 (1983-12-01), Ozaki et al.
patent: 4523237 (1985-06-01), Fukuda et al.
patent: 4558379 (1985-12-01), Hutter et al.
patent: 4562488 (1985-12-01), Koyama et al.
patent: 4590522 (1986-05-01), Takemoto et al.
patent: 4590524 (1986-05-01), Okamoto et al.

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