Programmable detection sensor with means to automatically adjust

Details Programmable detection sensor with means to automatically adjust Programmable detection sensor with means to automatically adjust

1996-03-22

1998-09-15

Le, Que

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2505594, 340555, G01V 904

Patent

active

058082964

ABSTRACT:
A detection sensor with a single switch for multi-function programming of the sensor is disclosed. The sensor has a processor operatively connected to the switch, an emitter, and a detector for controlling one or more operational parameters of the sensor in response to a program signal from the switch. In the preferred embodiment the processor compares a signal detected by the sensor in a first state and a second state and automatically establishes the sensor amplifier gain and switching thresholds based on the signal difference in the two states.

REFERENCES:
patent: 4356393 (1982-10-01), Fayfield
patent: 4965548 (1990-10-01), Fayfield
patent: 5212391 (1993-05-01), Wachli
patent: 5225689 (1993-07-01), Buckle et al.
patent: 5281810 (1994-01-01), Fooks et al.

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