发明名称 |
Port expander for utility meter reading |
摘要 |
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).
|
申请公布号 |
US5856791(A) |
申请公布日期 |
1999.01.05 |
申请号 |
US19960658238 |
申请日期 |
1996.06.04 |
申请人 |
M&FC HOLDING COMPANY, INC. |
发明人 |
GRAY, BRUCE E.;BELSKI, TIMOTHY J. |
分类号 |
H04M11/00;(IPC1-7):H04Q11/00 |
主分类号 |
H04M11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|