发明名称 |
SEQUENCE INVERSION KEYED COUNTDOWN TIMER UTILIZED WITHIN A UTILITY METER SYSTEM |
摘要 |
An automatic meter reading system that includes a head end controller and an endpoint that is interfaced to a utility meter. The head end controller and the endpoint communicate via RF communication. The endpoint includes an internal clock that synchronizes itself to a clock countdown signal. The clock countdown signal is generated by the head end controller through use of sequence inversion keying. |
申请公布号 |
CA2479971(C) |
申请公布日期 |
2009.05.19 |
申请号 |
CA20042479971 |
申请日期 |
2004.09.01 |
申请人 |
ITRON, INC. |
发明人 |
NAGY, CHRISTOPHER;OSTERLOH, CHRISTOPHER L. |
分类号 |
G04G7/02;G08C17/02;G01D4/02;H04B7/24;H04B7/26;H04L7/00;H04Q9/00 |
主分类号 |
G04G7/02 |
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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