Dynamic magnetic information storage or retrieval – Head – Plural gaps
Patent
1994-11-08
1995-09-12
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Plural gaps
G11B 5265
Patent
active
054502640
ABSTRACT:
In a magnetic head comprising a read/write head and an erase head constructionally integrated with each other, the closed magnetic circuit of the erase head is arranged to be higher in magnetic reluctance than the closed magnetic circuit of the read/write head, whereby a magnetic flux to be drawn by the erase gap is reduced so as to prevent the leakage of the magnetic flux to the read/write head side.
REFERENCES:
patent: 4276574 (1981-06-01), Baasch et al.
patent: 4720757 (1988-01-01), Hatanai et al.
patent: 4786991 (1988-11-01), Yamamori
patent: 4831481 (1989-05-01), Toyoshima
Patent abstract of Japan, vol. 5, No. 64 (p. 59) [736] Apr. 30, 1981.
Nishimura Masaru
Sugawara Naoto
Terazawa Takeshi
Mitsubishi Denki & Kabushiki Kaisha
Tupper Robert S.
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