Integrated transmitter, LAN communication equipment, telephone communication apparatus and communication method using integrated transmitter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 18, 2003
Grant Date -
N/A
app pub date -
May 23, 2000
filing date -
May 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is an integrated transmitter which is capable of a telephone and a LAN. The integrated transmitter comprises a first signal distribution circuit for distributing a LAN signal into first and second signals, each of which has an absolute value equal to each other; a second signal distribution circuit for distributing a telephone signal into third and fourth signals, each of which has an absolute value equal to each other; a coaxial cable for transmitting individually the first and third signals on one of two lines thereof and for transmitting the second and fourth signals on the other of the two lines thereof; a subtraction circuit for subtracting the second and fourth signals from the first and third signals to detect the LAN signal; and an adder circuit for adding the second and fourth signals to the first and third signals to detect the telephone signal.
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