Record medium transducing error correction system and method

Details Record medium transducing error correction system and method Record medium transducing error correction system and method

1981-04-23

1984-01-10

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 27, G11B 509, G11B 502

Patent

active

044255896

ABSTRACT:
In one exemplary embodiment errors due to tape flutter are overcome by recording along with the analog signal clock pulses having a rate sufficient for sampling of the highest frequency component of the analog signal. Then on playback, the reproduced clock pulses control sampling and storage of samples of the reproduced analog signal. By reading out the samples from storage at a uniform clock rate, the effect of flutter on the reproduced signal is eliminated. In another example the recorded clock rate overcomes tape skew and other mechanical irregularities in recording and reproducing multiplexed analog or digital data.

REFERENCES:
patent: 3141926 (1964-07-01), Newell
patent: 3500362 (1970-03-01), Schmitz et al.
patent: 3548112 (1970-12-01), Pearson
patent: 3789379 (1974-01-01), Breikss
patent: 3810235 (1974-05-01), Hopkins et al.
patent: 3982277 (1976-09-01), Naylor
patent: 4054921 (1977-10-01), Tatami
patent: 4318137 (1982-03-01), Cordova et al.

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