Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1990-03-14
1991-12-24
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9703, 360137, 236 44R, G11B 5012
Patent
active
050758071
ABSTRACT:
There is provided a magnetic recording device including recording mediums and an airtight enclosure containing the recording mediums therein and having a fine breathing hole created therethrough communicating with the outside thereof, wherein at least two types of moisture adsorbents composed of a one way type moisture adsorbent which adsorbs moisture and a reversible type moisture adsorbent which adsorbs moisture in high humidity and conversely discharges the same in low humidity are disposed in the cabinet and used in combination. There is also provided the same device except wherein gas adsorbents and moisture adsorbents are used in combination.
REFERENCES:
patent: 4307425 (1981-12-01), Kaneko et al.
patent: 4599670 (1986-07-01), Bolton
patent: 4620248 (1986-10-01), Gitzendanner
patent: 4642715 (1987-02-01), Ende
patent: 4684510 (1987-08-01), Harkins
patent: 4831475 (1989-05-01), Kakuda et al.
patent: 4863499 (1989-09-01), Osendorf
patent: 4967295 (1990-10-01), Yamauchi et al.
Amano Hideaki
Inoue Yoichi
Tanaka Katsuyuki
Garcia Alfonso
Hitachi , Ltd.
Psitos Aristotelis
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