G - Physics – 06 – F
Patent
G - Physics
06
F
340/88
G06F 15/20 (1980.01)
Patent
CA 1120124
MICROPROCESSOR COMPUTERIZED PRESSURE/TEMPERATURE/TIME DOWN-HOLE RECORDER by Oliver W. McCracken "Abstract of the Disclosure" A down-hole temperature, pressure and time measuring and digital data storage tool, utilizing self-contained microprocessor-based data taking and datareduction, with power conservation realized by processor controlled powering of data transducers only during sample periods and control of the rate at which samples are taken as an inverse function of dynamically calculated data rate of change. Data storage is effected only for data samples representing a significant change in data magnitude as established by a processor program-defined significant-data criteria.
328039
Otis Engineering Corporation
Swabey Ogilvy Renault
LandOfFree
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