发明名称 |
Variable strength wireless communication system |
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. |
申请公布号 |
US8659388(B2) |
申请公布日期 |
2014.02.25 |
申请号 |
US20080171153 |
申请日期 |
2008.07.10 |
申请人 |
BIONDO WILLIAM A.;PROEFKE DAVID T.;GM GLOBAL TECHNOLOGY OPERATIONS LLC |
发明人 |
BIONDO WILLIAM A.;PROEFKE DAVID T. |
分类号 |
B60R25/00;G05B19/00;H04B1/38;H04L9/14;H04M1/00 |
主分类号 |
B60R25/00 |
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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