Sequence inversion keyed countdown timer utilized within a utility meter system
US7372372B2 · kind B2 · utility
2Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Sep 17, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2209/60
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.