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Card or cash actuated vending machine assembly

  • US 5,450,938 A
  • Filed: 05/02/1994
  • Issued: 09/19/1995
  • Est. Priority Date: 05/02/1994
  • Status: Expired due to Fees
First Claim
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1. A coin vending and card vending assembly comprising:

  • a vending machine which includes money handling means for accepting money in the form of coins or bills and establishing a purchase credit, said money handling means including means for dispensing money as change after a purchase, means for generating credit signals whose value indicates the level of said purchase credit established by said money handling means and means for receiving refund signals whose value after a purchase corresponds to a difference between said established purchase credit and a predetermined purchase price of a product selected by a purchaser;

    product dispensing means for dispensing to the purchaser the product selected by the purchaser; and

    a vend machine controller coupled to said product dispensing means to enable same in response to receiving credit signals of sufficient value to equal or exceed the purchase price of the product and for generating refund signals whose value is the difference between said credit signals value and the purchase price of said selected product;

    and a card reader which includes a card reading mechanism that receives a vending card that contains readable indicia;

    means to ascertain a maximum purchase credit available to a purchaser in possession of the vending card; and

    a card reader controller coupled to said card reader mechanism;

    first signal carrier means coupled between said money handling means and said card reader controller for bringing purchase credit signals from the money handling means to the card reader controller and bringing refund signals from said card reader controller to said money handling means;

    second signal carrier means coupled between said card reader controller and said vend machine controller for bringing purchase credit signals from the card reader controller to the vend machine controller and for bringing refund signals from the vend machine controller to the card reader controller;

    said card reader controller being configured such that;

    when a purchaser inserts the vend card into said card reading mechanism said card reader controller establishes the available purchase credit, reduces said available purchase credit by a predetermined amount, and transmits to the vend machine controller credit signals corresponding to said predetermined amount so that the vend machine controller enables said vend mechanism to dispense a selected product, and said vend machine controller sends to said card reader controller refund signals corresponding to a difference between said predetermined amount and the purchase price of said selected product, and said card reader controller adds the value represented by said refund signal back to said available purchase credit; and

    when the purchaser does not insert a vend card into the card reading mechanism, the card reader controller transmits to the vend machine controller on said second carrier means the credit signals received on said first carrier means from said money handling means; and

    said card reader controller sends on said first carrier means to said money handling means refund signals received on said second carrier means from said vend machine controller.

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