Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Patent
1982-01-08
1985-04-30
Stellar, George G.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
369 53, G11B 2506
Patent
active
045147701
ABSTRACT:
An electronic circuit within a control unit for use with a remotely operated seismic tape recorder is disclosed wherein recording direction and motion are detected and retained for efficient data recordation. A seismic data recording system having some portions which are continuously energized and other portions having power switched off when not in operation retains information concerning recording direction, motion and track number to provide a smooth transition between inoperation and not in operation for the other portions of the seismic data recording system.
REFERENCES:
patent: 3952283 (1976-04-01), Broding
patent: 4399527 (1983-08-01), Titus et al.
Bowden Edgar A.
Przybyl Robert V.
Gilman Michael G.
Kowalski Frank J.
McKillop A. J.
Mobil Oil Corporation
Stellar George G.
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