Magnetic head apparatus used for movable magnetic medium with he

Details Magnetic head apparatus used for movable magnetic medium with he Magnetic head apparatus used for movable magnetic medium with he

1987-07-09

1989-09-26

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360119, 360118, 360121, G11B 5187, G11B 523, G11B 512

Patent

active

048705233

ABSTRACT:
A magnetic head apparatus used for a movable magnetic medium, comprising a magnetic head core in which a recording/reproducing core and an erasing core are respectively disposed on the entrance side of the movable medium and on the exit side of the movable medium, both of the cores being formed as an integrated magnetic core. The head cap of the recording/reproducing core is placed within a range defined between a position spaced about 0% of the longitudinal length of the integrated magnetic core apart from the center of the magnetic core toward the entrance side of the movable medium and another position spaced about 20% of the longitudinal length of the integrated magnetic core apart from the center toward the exit side of the movable medium.

REFERENCES:
patent: 4191980 (1980-03-01), King et al.
patent: 4658314 (1987-04-01), Sasazaki
patent: 4700248 (1987-10-01), Coughlin et al.

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