Method for predicting a fault in a security system

Details Method for predicting a fault in a security system Method for predicting a fault in a security system

2011-01-11

2011-01-11

Ngo, Ricky (Department: 2464)

Multiplex communications

Diagnostic testing

Fault detection

C370S216000

Reexamination Certificate

active

07869375

ABSTRACT:
A method for predicting a fault in a wireless communication path between at least one transmitter and a receiver. The method comprises detecting an initial value of a characteristic of a reception signal or an initial value of a characteristic of a wireless communication path, calculating a running average of the same characteristic for preset period of time, comparing the initial value with the calculated running average; and displaying an indication based upon an analysis of the comparing. The indication is transmitted to a remote site for response. The characteristic can be signal strength, noise and a S/N ratio.

REFERENCES:
patent: 5159593 (1992-10-01), D'Amico et al.
patent: 6150936 (2000-11-01), Addy
patent: 2007/0008117 (2007-01-01), Parker et al.
patent: 2007/0208537 (2007-09-01), Savoor et al.
patent: 2008/0129494 (2008-06-01), Kim et al.

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