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Product storage and retrieval system

  • US 8,700,204 B2
  • Filed: 12/12/2012
  • Issued: 04/15/2014
  • Est. Priority Date: 08/21/2008
  • Status: Active Grant
First Claim
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1. A method for storing and retrieving items in containers comprising:

  • providing a storage and retrieval system having a computer coupled to memory for storing a database that contains hanger addresses associated with at least one specific item, a radio frequency transmitter coupled to the computer for transmitting radio frequency packets that include the hanger addresses, a storage rail and a plurality of hangers that each include a container for holding at least one specific item, a radio frequency receiver for receiving radio frequencies sent by the transmitter, a microprocessor identified by a hanger address, a rechargeable power supply and an indicator light;

    placing a plurality of items into the plurality of containers coupled to the hangers;

    storing the hangers on the storage rail;

    using at least one input device coupled to the computer, inputting identification information for the items and the corresponding addresses of the hangers coupled to the containers that contain the items in the database;

    transmitting a radio frequency packet that includes a first hanger address from the computer through the radio frequency transmitter to the plurality of hangers;

    at the microprocessor in each hanger, comparing the first address contained in the transmitted radio frequency packet with the address of the hanger;

    illuminating the indicator light on the hanger in a first color if the hanger address matches the hanger address contained in the radio frequency packet with electrical power provided by the rechargeable power supply;

    removing the hanger having an illuminated indicator light from the storage rail; and

    delivering the item in the container to a recipient.

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