×

Apparatus for retrieving stored information about various items in response to coding on the items

  • US 4,780,599 A
  • Filed: 06/28/1985
  • Issued: 10/25/1988
  • Est. Priority Date: 06/30/1984
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus for storing and retrieving information associated with various coded items, said apparatus comprising:

  • (a) a reading device for reading codings associated with individual items to produce coding signals;

    (b) a storage unit for storing information associated with individual items at respective storage addresses each accessible through a corresponding address signal;

    (c) a data processing unit for receiving coding signals read by said reading device and transmitting address signals to said storage unit to retrieve stored information from the corresponding storage addresses, wherein at least one address signal has more than one coding signal at one time associated therewith, and wherein said data processing unit comprises a coding unit which in response to receipt of at least one coding signal produces an associated address signal for transmission to said storage unit, and said coding unit is selectively reprogrammable to change at least one coding signal associated with the address signal corresponding to any desired storage address of said storage unit while maintaining the address signal unchanged; and

    (d) an output unit for making retrieved information avaiable to a user of the apparatus.

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