发明名称 |
Security system and security apparatus |
摘要 |
It is an object of the present invention to provide a security system and security apparatus with excellent user-friendliness. A receiver 5 acquires the phone number of a cellular phone carried by a visitor, the transfer function unit 204 checks the phone number thus acquired against the phone number of an anticipated visitor to identify the visitor, and transfers the information to a personal digital assistant (PDA) unit to be redirected if the transfer is judged to be necessary.
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申请公布号 |
US2002187791(A1) |
申请公布日期 |
2002.12.12 |
申请号 |
US20010935667 |
申请日期 |
2001.08.24 |
申请人 |
HITACHI, LTD. |
发明人 |
OHTA MASUTOMI;OHTSUBO HIROYASU;KAWAHARA TAKAYUKI;SUZUKI KEI;SAKAMOTO KOJI;HATAE HIROSHI;HIRANO YASUHIRO |
分类号 |
H04M3/54;G08B13/196;H04M9/00;H04N7/18;(IPC1-7):H04Q7/20 |
主分类号 |
H04M3/54 |
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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