Dynamic magnetic information storage or retrieval – Recording for selective retention of a special occurrence
Patent
1982-08-05
1985-08-06
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Recording for selective retention of a special occurrence
360 6, G11B 500
Patent
active
045339627
ABSTRACT:
A method and apparatus for sensing and recording diverse operational and performance characteristics of automotive vehicles and the like has a plurality of transducers directly associated with different mechanical functions of the vehicle for sensing their operating characteristics in relation to time as well as generating analog signals representative of certain functions and combining them with digital signals representing other functions. A signal converter encodes signals from the transducers and converts the signals in predetermined order into digital data signals. Each succession of signals generated are temporarily stored. A recorder then records information stored serially and enables ready access to and identification of each event or condition. After recordation of information over a selected time interval, the recording is automatically erased as additional information is transmitted to the recorder to provide a current history over limited time intervals, such as, 30 minutes so as to be especially useful in accident analysis.
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Decker Ronald R.
Shannon William T.
Canney Vincent P.
Reilly John E.
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