Dynamic magnetic information storage or retrieval – General recording or reproducing – Signal switching
Patent
1975-11-28
1977-03-08
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General recording or reproducing
Signal switching
360 31, G11B 512, G11B 2736
Patent
active
040115860
ABSTRACT:
A voice actuated voice logging recorder adapted to use magnetic recording tape in preloaded magazines includes a logging deck having a transport mechanism, means responsive to an input signal corresponding to voice data for enabling the transport mechanism to switch to a run position and a verification network which is activated upon insertion of a magazine into the deck. The verification network is particularly desirable to overcome limitations in the reliability of typical cassette recorders, and includes a network for rewinding the tape to ensure that all of the tape is on a rewind spool and that the tape is not bound. A second network repositions the rewound tape to enable recording onto the tape and a test recording is then produced to ensure that the tape is properly oriented, i.e., that the tape has not become twisted within the magazine. In a preferred embodiment, a second logging deck is provided, which deck may be automatically activated in the event additional detectors indicate that a faulty recording is being produced by the first deck.
REFERENCES:
patent: 3576573 (1971-04-01), Symons
patent: 3643243 (1972-02-01), Johnson et al.
patent: 3965484 (1976-06-01), Marz et al.
Argento Dan J.
Pastor Sheldon Lee
Canney Vincent P.
Minnesota Mining and Manufacturing Company
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