Apparatus and method for formatting and recording digital data o

Details Apparatus and method for formatting and recording digital data o Apparatus and method for formatting and recording digital data o

1987-05-11

1989-05-30

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 39, G11B 509

Patent

active

048356280

ABSTRACT:
Apparatus and method are disclosed for formatting and recording digital information. Recording is effected by discrete stripes on 8 mm magnetic tape using a helical scan arrangement that enables a high recording density and a low error rate. Formatting in the data area of each stripe includes recording of digital information within preamble, data block, and postamble sections. The preamble section provides frequency/phase and location referencing, the data block section includes a plurality of physical data blocks each of which are divided into sub-blocks that include synchronizing and identifying information along with data to be recorded, and the postamble section ensures compatibility of physical alignment between the recording heads and magnetic tape.

REFERENCES:
patent: 4081844 (1978-03-01), Devore et al.
patent: 4554598 (1985-11-01), Iarbox et al.
patent: 4609949 (1986-09-01), Kuraragi
patent: 4651239 (1987-03-01), Omori et al.
patent: 4731678 (1988-03-01), Takeuchi

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