G - Physics – 11 – B
Patent
G - Physics
11
B
352/19, 354/22,
G11B 5/00 (2006.01) A61B 5/00 (2006.01) G06F 19/00 (2006.01) G11B 5/008 (2006.01) G11B 5/09 (2006.01) G11B 15/00 (2006.01) G11B 25/06 (2006.01) G11B 33/12 (2006.01)
Patent
CA 1292284
DATA ACQUISITION AND RECORDING SYSTEM Abstract of the Disclosure A portable, self-contained data acquisition and recording system is provided for monitoring ambulatory subjects. The system has micropower requirements and an extended recording capability between battery replacements. A prepolarized magnetic tape is employed and recording is accomplished by selectively reversing the polarization at a time when the tape is at rest. A microprocessor is provided for processing signals and for controlling circuit operation such as a tape drive incrementer. The microprocessor also controls the preprocessing and digitizing of signals for further processing by the microprocessor and enables the delivery of digital signals to be recorded to a magnetic tape head positioned in operative relationship with the magnetic tape. Selected circuits of the system are selectively powered up and powered down during monitoring as needed to provide continuous power control for optimization of power usage.
515326
Borden Ladner Gervais Llp
Goodman Robert M.
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