Countertop bar code symbol reading system having automatic hand-supportable bar code symbol reading device and stand for supporting projected scan field thereof
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United States of America Patent
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Jan 7, 1997
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Sep 17, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An automatic bar code symbol reading system comprising components for carrying out object detection, scanning, photoreceiving, A/D conversion, bar code presence detection, symbol decoding, data format conversion, data storage and data transmission functions. In general, the bar code symbol reading device includes a control system having a plurality of control centers that control the operation of the system components in accordance with preselected system control operations. Each of the control centers are responsive to control activation signals generated by certain of the system components upon the occurrence of predefined conditions. Certain of the control centers are capable overriding other control centers to provide diverse control capabilities which facilitates execution of intelligent operations and power consumption, during bar code symbol reading.
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