Apparatus for measuring lateral shift of running magnetic tape

Details Apparatus for measuring lateral shift of running magnetic tape Apparatus for measuring lateral shift of running magnetic tape

2005-03-29

2005-03-29

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

C360S031000, C360S053000

Reexamination Certificate

active

06873486

ABSTRACT:
To measure a lateral shift of running magnetic tape caused by a lateral movement of the magnetic tape which occurs while the magnetic tape is running, a fixed write head H1of a measurement apparatus10magnetizes part of the running magnetic tape MT in a section of the apparatus10where the magnetic tape MT is free from restriction on lateral movement; a pair of guides14, 14in a tape guide unit of the apparatus10is located downstream of the fixed write head H1to restrict the lateral movement of the magnetic tape MT; and a fixed read head H2reads information recorded on the magnetic tape MT in the tape guide unit.

REFERENCES:
patent: 3678220 (1972-07-01), Luhrs
patent: 4305536 (1981-12-01), Burdorf et al.
patent: 4913325 (1990-04-01), Cacicedo
patent: 20030107836 (2003-06-01), Zweighaft et al.
patent: 2000-339792 (2000-12-01), None

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