Cordless transmitting and receiving apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 24, 1984
Grant Date -
N/A
app pub date -
Dec 7, 1982
filing date -
Jul 6, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cordless transmitting and receiving apparatus which is capable of providing transmitting and receiving between a key transmitting and receiving apparatus such as a telephone and a portable remote transmitting and receiving apparatus and in which a transmission signal from the key transmitting and receiving apparatus is received in the remote transmitting and receiving apparatus by electromagnetic induction through a commercial AC power line. The cordless transmitting and receiving apparatus has a relay transmitter, which transmits a transmission signal from said remote transmitting and receiving apparatus to said key transmitting and receiving apparatus through said AC line. The receiving circuit of said key transmitting and receiving apparatus is electrically connected to said AC line whereby the transmission signal from said transmitting and receiving apparatus is transmitted to said relay transmitter in a wireless fashion and transmitted between said relay transmitter and said key transmitting and receiving apparatus by said AC line.
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