Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-10-19
1985-07-30
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307494, 307355, 328163, 328165, H03K 1716
Patent
active
045324425
ABSTRACT:
A method of noise reduction in electronic measuring circuits is provided wherein two discrete signals (A,B) are separately established, each of which contains the same noise, and the signal P=A-NB is then established, where N is chosen to make P a minimum. The method is particularly useful in a method of pulse detection of the type wherein signals (A) and (B) obtained from two monitoring units (M.sub.1,M.sub.2) in series with respective components (C.sub.A,C.sub.B) are compared in a pulse discrimination device (P.D.S.) in order to detect the occurrence of out of phase pulses in the signals. In this event, increased detection sensitivity can be obtained by operating on the signals (A) and (B) by a difference amplifier arrangement (A.sub.3,A.sub.4) to establish input signals (P) and (Q) for the pulse detection system given by:
REFERENCES:
patent: 3866130 (1975-02-01), Krause
patent: 4220923 (1980-09-01), Pelchat et al.
patent: 4263549 (1981-04-01), Toppeto
patent: 4368429 (1983-01-01), Jamison
patent: 4378605 (1983-03-01), Baumann, Jr. et al.
patent: 4392378 (1983-07-01), Pitches et al.
patent: 4393347 (1983-07-01), Looper
Hudspeth D. R.
Miller Stanley D.
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