Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1982-01-15
1984-10-09
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 2, G11B 548, G11B 2504
Patent
active
044765070
ABSTRACT:
This invention provides a reference member for supporting and giving reference positions to principal components, i.e. a feed roller for transporting magnetic cards, a driver for driving said feed roller and a member for pressing magnetic cards against the feed roller. Further the reference member supports a card support for placing the magnetic card by one side of the support, the pressing member through a biasing member, and a magnetic head for information writing or reading. A limiting member for blocking the displacement of the magnetic head is composed as a part of the pressing member, and a lateral pressure plate and a counter-plate are provided to ensure stable transport of the magnetic card. In this manner error in information writing or reading are prevented by a simplified composition.
REFERENCES:
patent: 2273289 (1942-02-01), Rouan
patent: 3836753 (1974-09-01), Pass
patent: 3893182 (1975-07-01), Schmidt
patent: 3964739 (1976-06-01), Garcia
Kato Shigehiro
Koike Hiroyuki
Canon Denshi Kabushiki Kaisha
Canon Kabushiki Kaisha
Wolff John H.
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