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Assignee(s)
Alcatel (Paris, Fr)
Inventor(s)
Morcillo Martinez Antonio Javier (Madrid, Es)
IPC Codes
G01R 023/16
H04M 15/28
H04M 15/34
H04M 015/00
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Patent Office: United States Granted Patents (USPTO)
Title: Linear multichannel detection system for billing by spectrum convolution (show patents with similar title)
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Document No: 6577965
Application No: 09/482,637
Application Date: 2000-01-14
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Abstract
A linear multichannel detection system for billing by spectrum convolutionapplicable in telecommunications systems, capable of detecting themetering pulses in a signal sent from a telephone exchange to thesubscribers, multiplying the signal by a specific signal generated by thesystem and measuring powers corresponding to the signals resulting fromthe multiplication, in such a way that a power measured with a valuegreater than a predefined threshold value indicates detection of thepulse. The invention likewise refers to an access system including thedetection system.
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more info from original patent office
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