Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1977-07-08
1978-12-19
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
346137, 360 98, 360133, G11B 2302, G11B 2504, G11B 1726, G11B 582
Patent
active
041308450
ABSTRACT:
An axially symmetrical, self-pressured air system has a substantially sealed enclosure for high speed rotating discs. Air admission to the enclosure is located such that pressures throughout the enclosure minimize the entrance of contaminants. A tangentially positioned chamber can be symmetrically arranged about a tangent in the cylindrical wall of the enclosure. Filters adjacent both the axial receiving means and the tangential chamber rid the enclosure of disc damaging impurities.
REFERENCES:
patent: 3710357 (1973-01-01), Buslik
patent: 3740735 (1973-06-01), Gabor
patent: 3786454 (1974-01-01), Lissner et al.
patent: 3812534 (1974-05-01), Rousseau
patent: 3981025 (1976-09-01), Schoettle et al.
patent: 4008492 (1977-02-01), Elsing
patent: 4054931 (1977-10-01), Bolton et al.
Eddleman Alfred H.
Microdata Corporation
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