| 发明名称 |
Radio communication system and destination portable terminal time identification method |
| 摘要 |
The present invention relates to a radio communication system and destination portable terminal time identification method capable of identifying the time of a destination portable telephone terminal in advance by an originating portable telephone terminal.
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| 申请公布号 |
US7298729(B2) |
申请公布日期 |
2007.11.20 |
| 申请号 |
US20020321486 |
申请日期 |
2002.12.18 |
| 申请人 |
NEC CORPORATION |
发明人 |
FUJII TOSHIAKI |
| 分类号 |
H04J3/24;H04M3/493;H04J3/06;H04M1/00;H04M1/725;H04M3/42;H04M11/00;H04W4/02 |
主分类号 |
H04J3/24 |
| 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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