System and method for prioritizing sensors in a barrier...

Details System and method for prioritizing sensors in a barrier... System and method for prioritizing sensors in a barrier...

2007-11-27

2007-11-27

Goins, Davetta W. (Department: 2612)

Communications: electrical

Vehicle detectors

C340S005230, C340S005700, C340S005710, C340S010100

Reexamination Certificate

active

11139842

ABSTRACT:
In a barrier movement operator comprising a controller hard-wire connected to a first safety sensor, it is determined whether a second safety sensor has been wirelessly connected to the controller. When it is determined that the second safety sensor has been wirelessly connected to the controller, the operator is operated according to a first predetermined procedure. On the other hand, when it is determined that the second safety sensor has not been wirelessly connected to the controller, the operator is operated according to a second predetermined procedure.

REFERENCES:
patent: 5412297 (1995-05-01), Clark et al.
patent: 6903650 (2005-06-01), Murray
patent: 6945303 (2005-09-01), Weik, III

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