Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Patent
1974-10-03
1976-02-10
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
360 27, G11B 2736
Patent
active
039381838
ABSTRACT:
An apparatus for injecting a signature signal on a magnetic tape comprising signature signal generator connected to a switching system. The switching system connects the signature signal to the recorder inputs while disconnecting the normal recorder inputs. A timer is located in the switching system to permit the injection of the signature signal for a specific time period.
REFERENCES:
patent: 3031525 (1962-11-01), Oniki
patent: 3506814 (1970-04-01), McDonald et al.
patent: 3617652 (1971-11-01), Krause
Heberling, deceased Emory D.
Hust Donald R.
Canney Vincent P.
Hollis Darrell E.
Sciascia Richard S.
St.Amand Joseph M.
The United States of Amercia as represented by the Secretary of
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