Dynamic magnetic information storage or retrieval – Record medium – Tape
Patent
1980-09-17
1984-03-27
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
Tape
360 722, G11B 578, G11B 2314
Patent
active
044397976
ABSTRACT:
A recording and reproducing system which uses a recording medium having a plurality of information recording tracks for recording image information. And at least one index recording track is located on the recording medium for recording index information. The index recording track is located substantially at the center of the recording medium and extends length wise of the recording medium in the direction of movement of this recording medium. Accordingly, the recording medium of the present invention eliminates the adverse effect of the drop-out and reduces the period of time required to search for the index information and reproduce image information.
REFERENCES:
patent: 2954546 (1960-09-01), Burns, Jr. et al.
patent: 3781490 (1973-12-01), Phillips
patent: 3946959 (1976-03-01), Sawazaki et al.
patent: 4131926 (1978-12-01), Morimoto
Daigo Junichi
Yamashita Mitsuo
Yoshimaru Tomohisa
Tokyo Shibaura Denki Kabushiki Kaisha
Wolff John H.
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