System for directly sending undecoded raw signals from reader device via external slave interface to personal computer through communication port without first decoding the signals
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United States of America Patent
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Aug 19, 1997
Grant Date -
N/A
app pub date -
Oct 6, 1993
filing date -
Oct 6, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic identification system includes a reader device, such as a bar code wand, laser bar code reader, CCD, m or combination of reader devices, such as magnetic stripe reader, badge slot reader, or touch memory pen. A slave interface is provided for transferring raw reader signals from the reader device to a communication port of a personal computer. The invention provides a hardware and software system which permits interfacing of multiple reading devices and device types into a single port, and which provides efficient power management.
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