×

Product selection system and method for vending machine

  • US 9,251,639 B2
  • Filed: 08/13/2013
  • Issued: 02/02/2016
  • Est. Priority Date: 12/26/2012
  • Status: Expired due to Fees
First Claim
Patent Images

1. A product selection system for a vending machine, the product selection system comprising:

  • a main controller; and

    a plurality of product selection panels connected to the main controller, each of the plurality of product selection panels comprising a plurality of keys, each of the plurality of keys being associated with a type of product stored in the vending machine;

    wherein when one of the plurality of product selection panels detects a key-down event, the main controller is configured to broadcast a suspending command to the plurality of product selection panels, and each of the plurality of product selection panels is configured to suspend detection of key-down event in response to receiving the suspending command.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×