| 发明名称 |
RETRIEVAL SYSTEM FOR BUSY LINE MOBILE COMMUNICATION |
| 摘要 |
PURPOSE:To decrease the retrieval time and to simplify the maintenance oepration, by limiting the retrieval range to the exchanging station in the service area in which mobile unti is present. |
| 申请公布号 |
JPS5421207(A) |
申请公布日期 |
1979.02.17 |
| 申请号 |
JP19770086237 |
申请日期 |
1977.07.19 |
| 申请人 |
FUJITSU LTD;NIPPON TELEGRAPH & TELEPHONE;NIPPON ELECTRIC CO |
发明人 |
TAKAHASHI KANETSU;TSUCHIYA SATOSHI;HAMADA YASUAKI;KOBAYASHI KENJI;NAKAMURA MASAO;HARADA NOBORU |
| 分类号 |
H04M3/42;H04W4/00;H04W24/00;H04W60/00;H04W76/02 |
主分类号 |
H04M3/42 |
| 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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