Auto-adjust motion detection system

Details Auto-adjust motion detection system Auto-adjust motion detection system

1991-07-08

1994-01-04

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340521, 340565, 367 93, 367 94, G08B 1900

Patent

active

052764273

ABSTRACT:
An improved dual sensor motion detection system is disclosed wherein the sensitivity of at least one of the sensors is adjusted in accordance with the response signals or signal history received from the sensors. This arrangement has application for systems having at least two sensors and simplifies installation and adjustment of the system.

REFERENCES:
patent: 4437089 (1984-03-01), Achard
patent: 4660024 (1987-04-01), McMaster
patent: 4710750 (1987-12-01), Johnson
patent: 4764755 (1988-08-01), Pedtke et al.
patent: 4833450 (1989-05-01), Buccola et al.
patent: 5077548 (1991-12-01), Dipoala

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