Communication set with detection of set function and line condition
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United States of America Patent
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May 29, 2007
Grant Date -
N/A
app pub date -
Sep 13, 1999
filing date -
Sep 17, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A description is given of a communication set for connection to a communication line such as a telephone line, which communication set includes means for detecting set functions such as ringing signal detection, and a rectifier circuit which is connected to a common output which is coupled to a scanning device included in the set function detection means, which scanning device detects the line conditions. A large number of line conditions may be detected with a minimum of components required, among which an analog/digital converter for which only a single input pin on a chip is necessary.
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