Communications apparatus
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United States of America Patent
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-
May 9, 1995
Issued Date -
N/A
app pub date -
Apr 14, 1994
filing date -
Dec 10, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A communication unit connectable in parallel with other communication equipment to a two-wire telephone line communicates through the telephone line and a detector detects a voltage across the two-wire telephone line. A command unit commands communication by the communication unit and a controller controls the communication by the communication unit according to the detection by the detector and the command by the command unit.
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