System for determining operational stability of a photoelectric

Details System for determining operational stability of a photoelectric System for determining operational stability of a photoelectric

1992-12-30

1994-08-09

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502221, 250214B, 307311, G01V 904

Patent

active

053368827

ABSTRACT:
An apparatus for providing an indication of the operational stability of a photoelectric control unit. The system separately measures photoelectric operating margin and background noise affecting the control unit. A stability figure is generated as a function of the operating margin and background noise in accordance with fuzzy logic techniques. An indication of the level of this stability figure is provided to the operator of the unit.

REFERENCES:
patent: 4520343 (1985-05-01), Koh et al.
patent: 5008531 (1991-04-01), Ono et al.

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