Skew correction in a multi-track tape recorder/player

Details Skew correction in a multi-track tape recorder/player Skew correction in a multi-track tape recorder/player

1994-06-10

1997-02-04

Kim, Won Tae C.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 744, G11B 5584, G11B 1548

Patent

active

056005059

ABSTRACT:
In a multi-track magnetic tape recorder/player of the type used for data storage and retrieval, with at least one read head and one write head, both being displaceable laterally relative to the direction of tape travel, and a memory to store values representative of those lateral displacements with respect to a reference position, a method for exact positioning of the read head onto previously written data tracks. In the preferred method, the write head is used to record (or erase) a longitudinal stripe along the tape, and the read head is used to find one or more edges of the stripe relative to a reference position. The displacements used to write the stripes and the displacements associated with the edges are compared to generate an offset correction factor used for subsequent head positioning.

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