High frequency network communications over various lines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 28, 2002
Grant Date -
N/A
app pub date -
May 23, 2000
filing date -
May 23, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for high frequency electrical line communication includes a transmitter, a receiver, a modem, and a coupler at each of two or more locations along an electrical line. The couplers have capacitive circuits serially connected with an air-core or dielectric-core transformer. The capacitive circuits resonate with the transformer at a preselected frequency. The coupler eliminates noise and is matched to the characteristic impedance of the line at the preselected frequency, which linearizes communication on the line and allows high speed data and voice communication over long distances.
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