Dynamic magnetic information storage or retrieval – Record editing
Patent
1977-03-11
1978-10-24
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record editing
G11B 2702
Patent
active
041225007
ABSTRACT:
A device for recording portions of the signals on the tape in one or more master cassettes in a desired sequence on the tape in a copy cassette. The device includes two cassette stations each including an electronically operated drive mechanism for driving the tape in a cassette at the station in either a forward or reverse direction past a record and playback head. Each station includes means for cycling the drive mechanism between forward and reverse to repetitively play a short segment of the tape in a cassette at the station, and a manually operated control for incrementally changing the segment of the tape played in each repeat cycle. By these controls an operator selects a segment of the tape in a cassette on which signals are to be copied, which segment has an end point at which signals to be added to the tape should start, and selects a segment of a tape in a master cassette from which signals are to be copied which segment has the same beginning point as the signals to be copied. Means are provided for then recording the signals from the master tape onto the copy tape with the signals at the beginning point on the master tape being recorded essentially at the end point on the copy tape.
REFERENCES:
patent: 2611828 (1952-09-01), Gunby
patent: 3031534 (1962-04-01), Trumble
patent: 3152227 (1964-10-01), Durio
Bradford Robert S.
Ebbinga Richard D.
Alexander Cruzan
Huebsch William L.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Tupper Robert S.
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