Dynamic magnetic information storage or retrieval – Converting an analog signal to digital form for recording;...
Patent
1977-11-23
1979-08-14
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Converting an analog signal to digital form for recording;...
360 6, 360 40, G11B 500, G11B 509
Patent
active
041647637
ABSTRACT:
A method and apparatus for recording and translating data using sequential spacing of data points on a recording medium. Electrical pulses are generated in response to the quantitative level of a series of events to be monitored. These pulses are then applied sequentially from a base reference point to the recording medium. The pulses are applied so that the distance between pulses is indicative of the quantitative level of each monitored event. This method is particularly useful in field instrumentation for monitoring equipment performance, process variables, weather conditions and any other variable events or conditions. Any number of events may be periodically sequentially applied to the medium over a long period of time. The recording medium can then be played back at high speed to translate the information obtained.
REFERENCES:
patent: 3012234 (1961-12-01), Burns
patent: 3212076 (1965-10-01), Guerth
patent: 3333247 (1967-07-01), Hadley et al.
patent: 3792445 (1974-02-01), Bucks et al.
patent: 3840890 (1974-10-01), Sunderland
Briccetti Mario F.
Eplett Fredrick R.
Canney Vincent P.
Carrier Corporation
Curtin J. Raymond
Hayter Robert P.
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