Communications: electrical – Digital comparator systems
Patent
1975-11-12
1977-07-12
Fears, Terrell W.
Communications: electrical
Digital comparator systems
179 1555T, G11C 1300
Patent
active
040357830
ABSTRACT:
Solid state digital circuitry is used in an apparatus which receives standard, continuously variable 4 to 20 milliampere analog signal information, continuously stores this information in a digital format and, after a preselected time interval measured in minutes, reproduces this information in its original smooth analog form with a fidelity of .+-. 1/2%.
REFERENCES:
patent: 3816664 (1974-06-01), Koch
Analog-Digital Conversion Handbook by Engineering Staff of Analog Devices, Inc., Norwood, Mass., June 1972, pp. 1-84 thru 1-90.
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