HANDSFREE PHONE CALL DEVICE
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United States of America Patent
Stats
-
N/A
Issued Date -
Oct 13, 2016
app pub date -
Jan 25, 2016
filing date -
Apr 8, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A handsfree phone call device includes a reporting terminal unit that outputs a user's phone call via a phone terminal unit through a speaker, a relaying module that relays communication between the phone terminal unit and the reporting terminal unit, a pair of signal lines that are capable of supplying power from one of the relaying module and the reporting terminal unit to the other, a wired relaying section that transmits a received call signal via the pair of signal lines to the reporting terminal unit, a voice signal transmitting section that transmits a voice signal based on the received call signal via the pair of signal lines to the relaying module, and an echo cancelling section that reduces, by means of the voice signal, an echo that is generated according to the received call signal outputted through the speaker.
First Claim
Family
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Cited Art Landscape
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