发明名称 MOBILE RADIO TELEPHONY SYSTEM
摘要 PURPOSE:To expand the talking connection area by storing an indentification code of plural radio connection devices in a radio telephone set, and sending a call signal continuously to plural radio connection devices stored at the time of calling. CONSTITUTION:A control section 22 of a radio telephone set 13 retrieves a RAM 23 to form a call signal including an identification code ID1 of a radio connection device 12a at first, then to form a call signal including an identification code ID2 of a radio connection device 12b, sending them continuously. The radio connection device 12a receiving the signal transmits a call reply signal including the identification code ID1 and the radio connection device 12b transmits a call reply signal including the identification code ID2 at a time retarded to evade collision. In a radiotelephony 13, an identification code collation section 24 applies identification code collation with a code stored in the RAM 23 and the telephone set 13 transmits an responding signal to the coincident ratio connection device only.
申请公布号 JPS63175532(A) 申请公布日期 1988.07.19
申请号 JP19870007191 申请日期 1987.01.14
申请人 NIPPON TELEGR & TELEPH CORP <NTT> 发明人 TATE KAZUYUKI;HIRONO MASAHIKO
分类号 H04W4/00;H04B7/26;H04M1/00;H04W12/00;H04W36/36;H04W76/00;H04W76/02;H04W84/10 主分类号 H04W4/00
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