Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1983-03-15
1987-01-27
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Hall effect
324208, 324252, G11B 5127, G01B 714
Patent
active
046398074
ABSTRACT:
A magnetic detector for detecting the angle, position speed of rotation of a rotating body or the rectinear position, distance or speed of a rectinearly moving body is used opposite to a magnetic recording medium. The magnetic detector includes a plurality of elongated stripe-shaped magnetoresistive elements juxtaposed on a non-magnetic substrate. Bridge output terminals are provided adjoining to first identical ends of the respective magnetoresistive elements in the longitudinal directions thereof while common terminals are disposed adjoining to second ends of the magnetoresistive elements. Either bridge output or common terminals extend round the outside of the magnetoresistive elements to positions adjacent to the common or bridge output terminals. Thus, the total width of the magnetoresistive elements pattern can be greatly reduced, thereby providing a magnetic detector of high performance in which the influence of fluctuations of gap or spacing between the magnetic detector and the magnetic recording medium used together therewith.
REFERENCES:
patent: 4039936 (1977-08-01), Jones et al.
patent: 4403187 (1983-09-01), Takahashi et al.
patent: 4418372 (1983-11-01), Hayashida et al.
Seki Toshio
Sekizawa Sadao
Takahashi Tadashi
Hitachi , Ltd.
Sniezek Andrew L.
Tupper Robert S.
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