Information recording apparatus for recording/reproducing inform

Details Information recording apparatus for recording/reproducing inform Information recording apparatus for recording/reproducing inform

1987-07-02

1989-02-21

Broome, H.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

3461351, 346 76L, G01D 942

Patent

active

048069523

ABSTRACT:
In an information recording apparatus according to this invention, since it is not necessary to dispose any differential circuit, which was required heretofore, it is possible to fabricate it with a low cost and its error rate is also very small.
Furthermore, since the mean reflectivity on the recording track does almost not vary by the fact that information is recorded there, no tracking off-set or focusing off-set is produced. Thus effects of this invention are remarkable.

REFERENCES:
patent: 4434429 (1984-02-01), Terao

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