Tracking apparatus for rotational magnetic recording medium with

Details Tracking apparatus for rotational magnetic recording medium with Tracking apparatus for rotational magnetic recording medium with

1986-03-18

1987-06-30

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 556

Patent

active

046775064

ABSTRACT:
A tracking apparatus for a signal reproducing apparatus makes use of a rotating magnetic recording medium, especially when such apparatus reproduces information signals recorded on the medium, such as video signals. The tracking apparatus includes a compensation circuit capable of compensating for the envelope level of the signals sensed by the playback head, so that the dynamic range for which the envelope signal is quantized may be narrower, or the quantum level steps may be smaller, and hence the resolution thereof may be enhanced correspondingly.

REFERENCES:
patent: 4344165 (1982-08-01), Akiyama
patent: 4544964 (1985-10-01), Burns et al.

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