Rotary dial pulse receiver
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United States of America Patent
Stats
-
Jul 24, 1990
Grant Date -
N/A
app pub date -
Jun 6, 1988
filing date -
Jun 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and method for receiving and decoding the bursts of line current activity produced by rotary dial action in dialing a sequence of digits. In accordance with the apparatus of the present invention, a rotary dial pulse receiver counts the number of bursts of line current activity produced by a given telephone handset in dialing a standard test digit. A conversion means selects a conversion algorithm which is effective to express the relationship between the number of bursts counted and the value of the digit dialed and applies the selected algorithm to decode the value of subsequent non-standard digits dialed. In accordance with the method of the present invention, a method of converting the number of bursts in line current activity produced through rotary dial action in dialing a sequence of digits by selecting and applying a conversion algorithm is described.
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