Dynamic magnetic information storage or retrieval – Record copying
Patent
1973-10-11
1976-02-03
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Record copying
360 92, 360 94, G11B 586
Patent
active
039368742
ABSTRACT:
A tape duplicator having component parts capable of duplicating magnetic tape in cassette form or reel form to cassette form or reel form interchangeably without special units, having the same capstan drive to drive both the cassette and the reel tapes interchangeably, and provided with an automatic volume control which is fully compensated to adjust the volume level to the set level and which avoids excessive high volume levels in beginning recording and high noise levels during silent spots in the tapes.
REFERENCES:
patent: 2528279 (1950-10-01), Leedy
patent: 2622155 (1952-12-01), Dutton
patent: 3072753 (1963-01-01), Goldberg
patent: 3295853 (1967-01-01), Cheng
patent: 3485961 (1969-12-01), Lovick
patent: 3620476 (1971-11-01), Cervantes
Eddleman Alfred H.
Hall John Joseph
Lucas Jay P.
Miller Glen
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