Wireless terminal for checking the amount used of gauge and a gauge management system using a wireless communication network
US7064678B2 · kind B2 · utility
5Cited by
6References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 2, 2001 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Oct 7, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention discloses a wireless terminal for checking the amount used of gauge and a gauge management system using a wireless communication network which checks the amount used of electricity, tap water, and gas by a wireless terminal. A wireless terminal established in a front of gauge, senses image of a figure at gauge, transmit data of the amount used with a wireless communication network. So, management of collecting rates of electricity, tap water, and gas are achieved easily.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.