EP 0977158 A2 20000202 - Method and apparatus for validating coins
Title (en)
Method and apparatus for validating coins
Title (de)
Verfahren und Vorrichtung zum Prüfen von Münzen
Title (fr)
Procédé et appareil de vérification de la validité de pièces de monnaie
Publication
Application
Priority
GB 9814937 A 19980709
Abstract (en)
Coins are validated by causing them to produce an impact, sampling a time-varying signal having characteristics dependent on the impact and combining the samples in a weighted manner to produce an output that is representative of the shape of the signal which is in turn influenced by coin hardness. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP)
Citation (applicant)
- GB 2236609 A 19910410 - MARS INC [US]
- EP 0543212 A1 19930526 - NAT REJECTORS GMBH [DE]
- EP 0496754 A1 19920805 - MARS INC [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
GB 2339316 A 20000119; GB 9814937 D0 19980909; EP 0977158 A2 20000202
DOCDB simple family (application)
GB 9814937 A 19980709; EP 99305323 A 19990705