Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Reexamination Certificate
2008-01-08
2008-01-08
Wong, K. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
C360S075000
Reexamination Certificate
active
07317589
ABSTRACT:
A magnetic recorder for performing at least one of magnetic recording and magnetic reproduction on a running magnetic tape, comprising: a magnetic head mounted so as to slidably abut on the magnetic tape; a subject portion made of the same material as that of the magnetic head and provided so as to slidably abut on the magnetic tape; a tinge detection sensor for detecting a color of a surface of the subject portion slidably abutting on the magnetic tape; and a judgment portion for acquiring a detection signal output from the tinge detection sensor when the color of the surface of the subject portion detected by the tinge detection sensor changes to a specific color.
REFERENCES:
patent: 3835297 (1974-09-01), Inoue et al.
FUJIFILM Corporation
Sughrue & Mion, PLLC
Wong K.
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