Communication system and communication device

Details Communication system and communication device Communication system and communication device

2006-09-26

2006-09-26

Orgad, Edan (Department: 2684)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S567000, C455S569100, C455S550100, C455S566000, C455S013100

Reexamination Certificate

active

07113742

ABSTRACT:
A communication system10is comprised of a communication device11and a relay device12that is connected to the communication device11by radio at close range and an other communication device15via a network and that relays a communication between the first device11and the other communication device15.Such communication system10comprises local communicating units112and121and a network communicating unit123that detect a disconnection of a radio channel between the communication device11and the relay device12and a disconnection of a radio channel between the relay device12and the other communication device15.The communication device11includes a notifying unit113that notifies a user of that a disconnection of which radio channel of a plurality of the radio channels is detected.

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