Directional separator-coupler circuit for medium-frequency carrier currents on a low-voltage electrical line
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United States of America Patent
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Mar 5, 1996
Grant Date -
N/A
app pub date -
Jun 4, 1993
filing date -
Oct 17, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directional separator-coupler circuit is provided for a medium-frequency carrier current on an electrical line of a low-voltage alternating current network. The separator-coupler circuit comprises a parallel resonant circuit (C,L) inserted into the electrical line and a circuit (E) for the transmission-reception of the carrier currents which are voltage-coupled to the resonant circuit by a connecting circuit (D). The connecting circuit also comprises a series connecting branch (L.sub.d, C.sub.d) which enables current coupling of the transmission-reception circuit (E) and the medium-frequency line, as well as decoupling thereof.
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