Patent ID: 7108180

Claim:
A point-of-sale system comprising: a service-computer at a central clearing house and a plurality of vendor installations operated by a plurality of vendors wherein each one of said installations comprises: a device, for accepting payment for goods or services provided by a vendor operating said one of said installations, which comprises: means for accepting and for processing creditable and debitable smart cards; electromechanical means for accepting currency; means, responsive to said means for accepting, for writing on said smart card an amount accepted in currency by said electromechanical means; means for debiting said smart card by an amount in payment for at least one good or service provided by said vendor; means for communicating to said computer a record of currency amounts accepted by said electromechanical means and amounts of payment debited from said cards along with an identification of said vendor and excluding any information about any money account related to said card or to a holder thereof; and means, associated with said computer, for crediting each of said vendors with debited amounts of payment, and for debiting each of said vendors by amounts accepted in currency by said electromechanical means at each of said vendors' installation.