发明授权
- 专利标题： Variable strength wireless communication system
- 专利标题（中）： 可变强度无线通信系统
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申请号： US12171153申请日： 2008-07-10
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公开(公告)号： US08659388B2公开(公告)日： 2014-02-25
- 发明人: William A. Biondo , David T. Proefke
- 申请人： William A. Biondo , David T. Proefke
- 申请人地址： US MI Detroit
- 专利权人： GM Global Technology Operations LLC
- 当前专利权人： GM Global Technology Operations LLC
- 当前专利权人地址： US MI Detroit
- 代理机构： Ingrassia Fisher & Lorenz, P.C.
- 主分类号： B60R25/00
- IPC分类号： B60R25/00 ; G05B19/00 ; H04L9/14 ; H04B1/38 ; H04M1/00
摘要：
A wireless communication system is provided. The communication system comprises a key fob comprising a wireless transmitter adapted to transmit a first signal having a first transmission field strength and first transmission duration, and a second signal having a second transmission field strength and second transmission duration and a vehicle comprising a wireless receiver adapted to receive the first and second signals.
公开/授权文献
- US20100007462A1 VARIABLE STRENGTH WIRELESS COMMUNICATION SYSTEM 公开/授权日：2010-01-14