Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1994-11-09
1996-04-16
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360105, 369257, G11B 2112
Patent
active
055088570
ABSTRACT:
A magnetic head loading/unloading apparatus has a head arm being maintained in either a loading state or an unloaded state by means of a permanent magnet. The head arm has a magnetic head on one end thereof, and is fixed on an end of a first yoke. A second yoke is arranged parallel to the first yoke, and is rotatable on the first yoke. A touching member is fixed on the second yoke, the touching member pressing a bottom surface of the head arm so as to elastically deform the head arm so that the magnetic head is positioned in an unload position. A permanent magnet is provided on the first yoke and a coil is provided on the second yoke. When the second yoke is moved to a first position, the head arm is elastically bent by a pressing force exerted by the contacting member so that the magnetic head is positioned in an unload position. When the second yoke is moved to a second position, the contacting member is apart from the head arm so that the magnetic head is in a load position. The second yoke is maintained in either the first position or the second position by the attracting force generated by the permanent magnet.
REFERENCES:
patent: 4170362 (1979-10-01), Zwicky et al.
patent: 5122998 (1992-06-01), Mizuno et al.
patent: 5313445 (1994-05-01), Woda et al.
Psitos Aristotelis
Teac Corporation
Wilson James T.
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