Information signal reproducing apparatus with track pitch discri

Details Information signal reproducing apparatus with track pitch discri Information signal reproducing apparatus with track pitch discri

1986-07-07

1988-07-26

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 73, 360 77, G11B 1514, G11B 15467

Patent

active

047604743

ABSTRACT:
An information signal reproducing apparatus for reproducing information signals from a record bearing medium having many recording tracks which are formed with the information signals on the medium and are spaced at a track pitch selected from a plurality of track pitches is arranged to reproduce the information signals by head means which traces the medium; to perform tracking control by using the signals reproduced by the head means; and to detect the track pitch by comparing with a reference level each of the levels of signals reproduced by the head means from recording tracks neighboring a recording track presently controlled by a tracking control action on both sides of the controlled track. After discriminating the track pitch, the apparatus selects the rotary heads with the proper width and sets the tape speed so that the speed reproduction is at the same speed at which the tape was recorded.

REFERENCES:
patent: 4594618 (1986-06-01), Kozuki et al.
patent: 4683503 (1987-07-01), Takimoto

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