A method of providing security to an assisted retail terminal having a security weight scale associated therewith includes the step of generating an item-entered control signal when a product code associated with an item of a customer is entered into the retail terminal by retail personnel. The method...http://www.google.co.uk/patents/US6296184?utm_source=gb-gplus-sharePatent US6296184 - Apparatus and method for operating a checkout system having a security scale for providing security during an assisted checkout transaction
