Apparatus for reproducing a digital signal

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record

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360 7304, G11B 1552

Patent

active

048856479

ABSTRACT:
A rotary head apparatus of the type which reproduces digital signals recorded in one or more oblique tracks on a recording medium, the digital signals being formatted such that one frame of the digital signals is formed of n blocks, each block having added to it a block address and a frame address, wherein the apparatus compares the frame address from the reproduced signal with a reference frame address which varies with a reference period, and the transporting speed of the recording medium is then controlled so as to make the difference between the reproduced frame address and the reference frame address constant.

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patent: 4543516 (1985-09-01), Kobori
patent: 4620238 (1986-10-01), Gaskell
patent: 4630142 (1986-12-01), Tani et al.
patent: 4639649 (1987-01-01), Seto

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