Method and apparatus to protect fixed wireless terminal from foreign voltage at the tip and ring connection
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United States of America Patent
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Sep 2, 2003
Issued Date -
N/A
app pub date -
Oct 1, 1999
filing date -
Jun 3, 1999
priority date (Note) -
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Abstract
A method and apparatus for preventing harmful foreign voltage from being applied to a fixed wireless terminal. Upon the detection of a harmful voltage, the fixed wireless terminal is prevented from being connected to the tip-and-ring lines of a premises' land-line. The voltage is detected by a voltage-detector. The invention may also be used to disconnect the normally-closed connection of the fixed wireless terminal with the tip-and-ring lines of the premises' land-line upon the detection of a harmful voltage on the tip-and-ring lines.
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