EP 0545549 A1 19930609 - Prepayment systems.
Title (en)
Prepayment systems.
Title (de)
Vorbezahlungssysteme.
Title (fr)
Systèmes à prépaiement.
Publication
Application
Priority
- GB 9125568 A 19911130
- GB 9203946 A 19920225
Abstract (en)
A prepayment system for controlling the supply of electricity, gas or water to a consumer comprises a metering or timing unit having a receptacle for receiving a prepayment token in the form of a key having a memory containing credit data. The metering or timing unit permits the supply of the commodity until the credit represented by the credit data in the key memory is exhausted. The system is provided with a push-button operated emergency supply facility, which permits the supply to continue for a predetermined time, typically four or five days, after the credit is exhausted. <IMAGE>
IPC 1-7
IPC 8 full level
G07F 7/00 (2006.01); G07F 7/08 (2006.01); G07F 15/00 (2006.01)
CPC (source: EP)
G07F 7/0866 (2013.01); G07F 7/0873 (2013.01); G07F 15/00 (2013.01); G07F 17/0014 (2013.01)
Citation (search report)
- [X] GB 2208955 A 19890419 - GEN ELECTRIC PLC [GB]
- [X] EP 0131331 A2 19850116 - MAINMET LTD [GB]
- [A] US 4731575 A 19880315 - SLOAN JOSEPH W [US]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GR IE IT LI NL PT SE
DOCDB simple family (publication)
GB 2261979 A 19930602; GB 2261979 B 19950830; GB 9224195 D0 19930106; EP 0545549 A1 19930609
DOCDB simple family (application)
GB 9224195 A 19921118; EP 92310024 A 19921102