Method and device for timing the data reading and the recording

Details Method and device for timing the data reading and the recording Method and device for timing the data reading and the recording

1974-10-31

1976-03-30

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

G11B 509

Patent

active

039478777

ABSTRACT:
A magnetic information recording and reading device is embodied in an electronic equipment for the data processing. On a plurality of parallel tracks of a magnetic tape are recorded information blocks aligned at the starting point so as to form a matrix of information blocks. Each column of information blocks is addressable by a corresponding address recorded in a further track of the tape. Each address block comprises a timing character sequence for the addressing of an information block and for synchronizing the reading and/or the recording of data. The energization of a recording head is controlled by the readinng of timing character included in the corresponding address block so that the recording starting point of each of the information blocks are perfectly aligned independently from the speed of the tape.

REFERENCES:
patent: 3399394 (1968-08-01), Smith
patent: 3631421 (1971-12-01), Perkins

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