G - Physics – 01 – N
Patent
G - Physics
01
N
349/37
G01N 9/24 (2006.01) G01N 29/02 (2006.01) G01N 29/024 (2006.01) G01N 33/487 (2006.01) G01N 33/493 (2006.01)
Patent
CA 1249363
BIOLOGICAL FLUID SPECIFIC GRAVITY MONITOR WITH ULTRASONIC SENSOR CIRCUIT ABSTRACT OF THE DISCLOSURE An automatic urinary output monitor including a means for noninvasively determining the specific gravity of urine in a urine collection system including an oscillator with a feedback loop including ultrasonic transducers at opposite sides of a sampling chamber for producing an output signal with a frequency determined by the period of time it takes for a transmitted ultrasonic pulse to travel through the urine sample and to be received and means responsive to the frequency of the output signal for providing an indication of specific gravity of the urine sample.
498189
Ingle Frank W.
Selfridge Alan R.
Kendall Company (the)
Smart & Biggar
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