Port expander for utility meter reading
US5856791A · kind A · utility
7Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Jun 4, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/002
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An electronic expander (12) allows for reading a plurality of utility meters (14) with an interrogation device (30) via a common electronic access point (16) wherein the interrogation device (30) interrogates and receives meter usage data from all of the meters (14) during a single coupling with the common electronic access point (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.