Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1981-06-02
1983-03-15
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 12, 360 721, G11B 555, G11B 1518, G11B 500
Patent
active
043769616
ABSTRACT:
A magnetic drum/head system for selectively reproducing voice information recorded on the magnetic drum. The magnetic drum has a recording zone in which predetermined voice information is recorded in each track thereof and a non-recording zone between a starting end of the recording zone and a terminating end of the same. In case of a track selection, the magnetic drum is held still so that the non-recording zone is in a confronting relation to the magnetic head, and the magnetic head is driven to move along the non-recording zone to the selected track. The magnetic drum is then rotated to reproduce the selected voice information.
REFERENCES:
patent: 2832841 (1958-04-01), Eldridge, Jr.
patent: 3409745 (1968-11-01), Kock
patent: 4276572 (1981-06-01), Hayashi et al.
Itoh Norifumi
Moritomo Takao
Suzuki Kouichirou
Suzuki Tetsuya
Torii Michihiro
Canney Vincent P.
Fuji Electrochemical Co. Ltd.
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