Data processing system including data input authorization
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United States of America Patent
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-
Mar 31, 1987
Issued Date -
N/A
app pub date -
Apr 30, 1984
filing date -
May 26, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data processing system includes means for verifying the authority of data-entry devices to input data and the authenticity of such data. The system includes a central data-processing computer, a plurality of data-entry devices connected to the central computer for providing input data, a central security system, connected to the central computer for identifying the data-entry devices and verifying that such devices are authorized to input data, and a programmable external security device connected to at least one of said authorized data-entry devices. The external security device is programmed by the central security system to exchange user-identifier and user transaction-related data with this data-entry device and with the central security system.
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