Importance

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Abstract

A card reader having a limited capacity for use with digitally encoded cards is used in conjunction with a system requiring a greater amount of information than is encoded on a single card. A multiple stage buffer storage memory is placed between the card reader and the utilization system. The memory has specific memory locations corresponding to locator data which is uniquely encoded on each of the different cards of a set of cards employed to supply the necessary information to the utilization system. A data locator is connected between the card reader and the buffer storage means and is responsive to locator data read from the cards by the reader to direct the information data on the cards to the proper location in the buffer storage memory. The cards may be inserted into the reader in any order; and when all of the areas of the buffer storage memory have the necessary data encoded in them, the information is transferred from the buffer storage memory to the utilization system.

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First Claim