Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing
Patent
1997-07-18
1999-05-04
Renner, Craig A.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
360 93, 360 9701, 360120, 360126, G11B 502, G11B 5235, G11B 531
Patent
active
059010126
ABSTRACT:
In a magnetic recording and reproduction apparatus wherein signals are recorded with a ring-type magnetic head to a magnetic recording medium having axis of easy magnetization oblique with respect to a film normal of a magnetic layer of the medium. A recording magnetic field generated by the magnetic head is asymmetric with respect to a center line of a gap of the magnetic circuit, and the recording magnetic field in the magnetic layer around a leading edge of the magnetic head is inclined at the same side as the axis of easy magnetization in the magnetic field in a normal plane of the magnetic layer including a direction of relative movement of the magnetic head to the magnetic recording medium when signals are recorded to the medium. Thus, signals can be recorded at a high density. Various types of magnetic head for generating asymmetric magnetic field are provided.
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Echigo Noriyasu
Ishida Tatsuaki
Sugita Ryuji
Matsushita Electric - Industrial Co., Ltd.
Renner Craig A.
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