Balanced spectrum limiter for telephone and communication systems and protection module incorporating the same
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United States of America Patent
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Nov 12, 2002
Grant Date -
N/A
app pub date -
Oct 1, 1999
filing date -
Oct 1, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A balanced spectrum limiter for limiting the frequency spectrum of signals transmitted through a telephone or communication system includes one or more filters and an energy surge protection circuit. Each filter includes a pair of inductors wound around a single core and a capacitor connected between the two inductors. The energy surge protection circuit can be any type of energy surge protection circuit known in the art. The range of frequencies which can be transmitted is determined by the filter. The filter is removably connected to the energy surge protection circuit so that filters of varying parameters may be easily interchanged.
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