Line powered modem
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United States of America Patent
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-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Nov 3, 1980
filing date -
Nov 3, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modem for coupling a data terminal or other apparatus to a telephone line and deriving its operating power for both transmitting and receiving operation from the telephone line, and providing electrical isolation between the telephone line and the data terminal.
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