Combination bar code scanner/RFID circuit
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Dec 27, 1999
filing date -
Dec 27, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit that combines the functionality of a bar code scanner and an RFID circuit is provided. This circuit uses certain functional blocks for processing both the bar code signals and the RFID signals. As a result, the space and power consumed by the circuit are substantially reduced such that the circuit can be formed to fit a free-standing, hand-held reader device. The circuit also may use a single interface from a hand-held device to central processing unit to process digital signals from both the bar code scanner and the RFID circuit. In addition, in one embodiment, the circuit may also simultaneously process bar code signals and RFID signals.
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