Four input coincidence detector

Details Four input coincidence detector Four input coincidence detector

1981-01-06

1983-08-09

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

250369, 307465, 307470, 307603, 328110, G01T 1172, H03K 506, H03K 1921

Patent

active

043981011

ABSTRACT:
A gamma ray scintillation coincidence detection circuit having four inputs connected to two gating configurations, fed by gamma ray detector units. Detection in any one of the four inputs develops a disabling signal in one signal path leading to an AND gate. Detection in any two of the four inputs results in a system output in another signal path. When any input goes high, the AND gate is disabled after a predetermined settable time delay T. If a second input goes high before the expiration of the delay time T, then the signal in the other path can pass through the AND gate and sets a latch, signifying that detector coincidence has occurred.

REFERENCES:
patent: 2999157 (1961-09-01), Rosenstock
patent: 3291973 (1964-09-01), Rasche
patent: 3721833 (1973-03-01), Kramer
patent: 3955088 (1976-05-01), Muehllehner et al.
patent: 4044258 (1977-08-01), Frungel

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