Data evaluator using an adjustable endless loop magnetic tape

Details Data evaluator using an adjustable endless loop magnetic tape Data evaluator using an adjustable endless loop magnetic tape

1979-03-19

1981-04-07

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360 7, G11B 1526, G11B 1916, G11B 2700

Patent

active

042610222

ABSTRACT:
A data evaluator employing an endless loop which has the capability of eliminating a standard signal from a test signal so as to result in the depiction of an accurate defect signal. The data evaluator of the instant invention generally comprises two record and play back heads, an endless loop which travels an endless path across the opposed record and play back heads, and a synchronizing device employed to synchronize the signals which simultaneously are played across two opposed record and play back heads.

REFERENCES:
patent: 3441187 (1969-04-01), Tveter et al.
patent: 3674923 (1972-07-01), Gifft
patent: 3718772 (1973-02-01), Sanctuary
patent: 3757058 (1973-09-01), Ingoldsby
patent: 3855467 (1974-12-01), Chope

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