Method and apparatus for high speed searching in arcuate scan ta

Details Method and apparatus for high speed searching in arcuate scan ta Method and apparatus for high speed searching in arcuate scan ta

1997-09-04

1998-08-11

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 48, G11B 1518

Patent

active

057935521

ABSTRACT:
An arrangement and method of searching a tape at high speeds for a specific recording location with an arcuate scanner includes passing recorded tape past a scanner at a speed significantly higher than a read/write speed. Since the reading by an arcuate scanner of search information recorded at approximately a centerline of a tape is the least affected by changes in speed, compared to information recorded at the top and bottom of a tape, the search information located approximately along the centerline of the recorded tape is read. A specific recording location on the tape is then determined from the search information read.

REFERENCES:
patent: 4636886 (1987-01-01), Schwarz

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