Dial pulse digit detector
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United States of America Patent
Stats
-
Jun 8, 1993
Grant Date -
N/A
app pub date -
Mar 7, 1991
filing date -
Mar 7, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Method and apparatus for detecting and identifying dial pulse digits in a telephone signal. An embodiment of the inventive method includes the steps of: detecting a dial pulse '0' digit; analyzing the dial pulse '0' digit to determine a predetermined set of data to provide a template which is characteristic of the dial pulse '0' digit; detecting a further dial pulse digit; analyzing the further dial pulse digit to determine a predetermined set of data which is characteristic of the further dial pulse digit; and comparing the predetermined set of data of the further dial pulse digit with the template to identify the further dial pulse digit.
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