Schnurloses Telefonsystem

Schnurloses Telefonsystem

A cordless telephone system comprises a radio telephone set (2) and a connection unit (1) connected to a wire telephone circuit (3) and also connected to the radio telephone set through a radio communication circuit, for interconnection control between the wire telephone circuit and the radio teleph...

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Bibliographische Detailangaben
Hauptverfasser: SHIRAKATA, MICHIMASA, OHTA, YUJI, YOTSUTANI, AKIO, HARA, TOSHIHIRO, FUSE, SHOJI, ONO, KOJI NO. 650
Format: Patent
Sprache:ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A cordless telephone system comprises a radio telephone set (2) and a connection unit (1) connected to a wire telephone circuit (3) and also connected to the radio telephone set through a radio communication circuit, for interconnection control between the wire telephone circuit and the radio telephone set. When the wire telephone circuit (3) is put in its unusable state or a signal on the radio communication circuit is put in its unreceivable state, the connection unit (1) transmits a disconnecting signal to the wireless telephone set (2) to forcibly cut off the radio communication circuit.