| 摘要 |
PCT No. PCT/FR89/00529 Sec. 371 Date Apr. 12, 1991 Sec. 102(e) Date Apr. 12, 1991 PCT Filed Oct. 13, 1989 PCT Pub. No. WO90/04315 PCT Pub. Date Apr. 19, 1990.A system for remote transfer and collection of data such as quantities of energy of fluid measured by a utility meter. Each meter includes a unit for storing and transmitting date from the meter to a remote data collector via at least one common wire connection. The switch contains a memory having a unique ID code. The switch is selectively closed in response to an interrogation signal bearing the ID code of the switch in order to enable a stream of data to pass from the meter to the data collector, this stream of data including a meter identity indication different from the switch ID code. |
