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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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