Method of converting the data rate of a data signal

Details Method of converting the data rate of a data signal Method of converting the data rate of a data signal

1992-02-10

1993-08-10

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 64, 360 7306, G11B 500, G11B 1514, G11B 1546

Patent

active

052354717

ABSTRACT:
A method of recording and/or playing back a data signal, in an apparatus in which a tape helically encircles a drum containing a headwheel, and the heads scan oblique tracks on the tape, features reduction of the tape velocity by a factor 1
where n is a positive integer. Along with the tape velocity change, the static tracking angle between the tape and drum is correspondingly adjusted so that the heads will continue to scan along a standard track pattern or format. The data rate of data signals retrieved from the tape (e.g. high-date rate satellite transmissions) or of incoming data signals can be converted to a different data rate by intermediate steps of writing to a digital memory and reading back at a more desirable data rate.

REFERENCES:
patent: 3631427 (1971-12-01), Hein et al.
patent: 4303950 (1981-12-01), Taniguchi et al.
patent: 4703370 (1987-10-01), Inoue et al.
patent: 4942487 (1990-07-01), Noguchi et al.

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