发明名称 Portable device, information processing apparatus and method for communicating between those
摘要 An information processing apparatus can accommodate a portable device in a detachable way, and can detect accommodation/removal of the portable device, and can read ID information transmitted from the portable device. Therefore, access to a security system and a host computer via a same portable device can be achieved, and an individual can be relieved of the trouble of carrying too many portable devices.
申请公布号 US6763252(B2) 申请公布日期 2004.07.13
申请号 US19990313194 申请日期 1999.05.18
申请人 CANON KABUSHIKI KAISHA 发明人 ITAZAWA TOSHIAKI
分类号 G10L15/00;G06F1/00;G06F1/16;G06F1/26;G06F1/32;G06F3/16;G06F13/14;H04L29/06;H04M1/00;H04M1/02;H04M1/725;H04M1/727;H04M11/00;(IPC1-7):H04M1/00 主分类号 G10L15/00
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