Registers – Transfer mechanism – Traveling pawl
Patent
1975-10-14
1977-06-21
Atkinson, Charles E.
Registers
Transfer mechanism
Traveling pawl
73362R, 128 2H, 235 92MT, G01V 128, G01K 700
Patent
active
040313654
ABSTRACT:
A system is provided for continuously monitoring and displaying temperature levels of a patient which is particularly adapted to indicate the ovulation activity of a female through monitoring the temperature variations of the body of the patient during the menstrual cycle. The system includes a transducer, such as a thermistor, for producing an output voltage in accordance with the temperature sensed, a voltage controlled oscillator for producing an output whose frequency varies in accordance with the output voltage of the thermistor, and a binary coded counter, controlled by the system clock, which produces a four-bit digital output representative of the measured temperature. The output of the counter during each cycle is stored in a shift register and after N cycles, an analog voltage representative of the arithmetic average for the N cycles is compared with an analog voltage corresponding to the output for the N + 1 cycle. An abnormal condition is indicated when the output signal deviates from a reference by a predetermined amount and an alarm is activated if the abnormal condition is indicated for a predetermined number of cycles.
REFERENCES:
patent: 2927463 (1960-03-01), Stubbs
patent: 3601586 (1971-08-01), Slavin
patent: 3834238 (1974-09-01), Mueller et al.
patent: 3872728 (1975-03-01), Joyce et al.
Keefe, E. F.; "A Practical Open-Scale Thermometer for Timing Human Ovulation", New York State Journal of Medicine, vol. 49, No. 21, 11/1/49, pp. 2554-2555
Klaften, E.M.; "Utero-Thermometry; A Study of Uterine Temperature During Reproductive Life, Menopause, and Amenorrhea"; Journal of Clinical Endocrinolocy; vol. 4, 4/1944, pp. 159-165.
Colonnelli Domenico
Raggiotti Guglielmo
Atkinson Charles E.
Byrne John J.
Itus Patent Holding (IPH) N.V.
Krass Errol A.
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