Title:
【発明の名称】取引許可システムを組み込むユーティリティ計量システム
Document Type and Number:
Japanese Patent JP2003534619
Kind Code:
A
Abstract:
A prepayment energy supply system comprises a prepayment utility meter 10, and a digital cellular transceiver 14 provided at a location, the utility meter 10 has an associated location identifier unique to the location and a memory for storing prepayment credits, the utility meter 10 is arranged to communicate with a remote communication unit 220 via the transceiver 14, the remote communication unit 220 has a database 230 of the unique identifiers and transceiver numbers, wherein a payment for crediting to a meter is directed as a signal to the remote communication unit 220 and includes the unique identifier, the remote communication unit 220 is arranged to determine the transceiver number from the unique identifier, to communicate with the utility meter 10 via the transceiver and to add appropriate prepayment credits to the memory. The system may have an identification card associated with the utility meter 10 and carrying the unique identifier for identifying the utility meter 10 during crediting transactions. The system may have a user interface unit 30 arranged to communicate with the utility meter 10 via RF signals. In an alternative embodiment the invention consists of a prepayment energy supply method in a prepayment energy supply system.
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Inventors:
Michael german
Howard, Gavin
Howard, Gavin
Application Number:
JP2001587387A
Publication Date:
November 18, 2003
Filing Date:
May 18, 2001
Export Citation:
Assignee:
Secure Electrans Limited
International Classes:
G07F15/06; G06Q20/12; G06Q20/34; G07F7/00; G07F7/10; G07F15/00; G07F15/12; (IPC1-7): G07F15/06; G06F17/60
Domestic Patent References:
| JPH1196457A | 1999-04-09 | |||
| JPH1196457A | 1999-04-09 |
Foreign References:
| US5146067A | 1992-09-08 | |||
| GB2324898A | 1998-11-04 | |||
| GB2309086A | 1997-07-16 | |||
| US5959549A | 1999-09-28 | |||
| US5146067A | 1992-09-08 | |||
| GB2324898A | 1998-11-04 | |||
| GB2309086A | 1997-07-16 | |||
| US5959549A | 1999-09-28 |
Attorney, Agent or Firm:
Masayuki Kishida (4 outside)