Facsimile apparatus
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United States of America Patent
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Sep 20, 1994
Grant Date -
N/A
app pub date -
Oct 1, 1991
filing date -
Oct 18, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A facsimile apparatus includes a facsimile communication section for executing facsimile communication, a calling tone signal detecting section for detecting a first signal in a frequency band corresponding to a frequency band of a calling tone signal, a speech signal detecting section for detecting a second signal in a frequency band outside the frequency band of the calling tone signal, and a control section for starting and activating the facsimile communication section to execute the facsimile communication when the calling tone signal detecting section detects the first signal but the speech signal detecting section does not detect the second signal.
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