Measuring system

Details Measuring system Measuring system

1973-12-28

1976-04-27

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307234, H03K 518, H03K 520, H03K 908

Patent

active

039538036

ABSTRACT:
A measuring system in which a signal representative of the instantaneous value of a physical parameter being measured is utilized as a reference signal against which the next following signal is compared and so on. The system includes means for passing to an output, signals similar to, or within a predetermined limit of, the immediately preceding signals. A particular application of this measuring system is in the measurement of the temperature of living bodies wherein the changes in temperature are transmitted via a pulse width modulation telemetry system to a receiver incorporating the measuring system. By means of continually up-dating the reference signal it is possible to reject any signal which due to some reason such as radio interference is unacceptable because it varies too much from the previous reading.

REFERENCES:
patent: 3116458 (1963-12-01), Margopoulos
patent: 3508158 (1970-04-01), Marchese
patent: 3780346 (1973-12-01), Gagnon
patent: 3790881 (1974-02-01), Smith

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