BUSY STATE CONTROL SYSTEM IN CORDLESS TELEPHONE SYSTEM
申请公布号:JPH02301352(A)
申请号:JP19890120278
申请日期:1989.05.16
申请公布日期:1990.12.13
发明人:TAKITA HAJIME;OSONE KAZUYUKI
分类号:H04M1/00;H04B7/26;H04M1/73;H04W76/02;H04W84/10
主分类号:H04M1/00
摘要:PURPOSE:To allow the user to use the system without case by raising a busy tone so as to inform it to the user when the line is busy after a radio slave st starts talking with a connection device when other radio slave set desires the talking. CONSTITUTION:A radio control channel is in use for each radio slave set to inform the start of talking prior to the talking and other radio slave set receiving the talking notice sets a busy state in itself and stores the disuse of the connector. Then the connector and a radio slave set #1 replying the incoming call wave both to the talking channel to apply talking. While the radio slave set #1 and the connector make talking, even when other radio slave set makes a call, since busy set is set, no radio wave is sent but a busy tone is sent and the user is warned of the disabled use. Thus, the user is relieved of fear that the user itself is at the outside of the radio wave arrival zone and can use the system with a sense of safety.
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