Optical-Information-Reading Apparatus and Control Method Thereof
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United States of America Patent
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app pub date -
Mar 7, 2012
filing date -
Sep 17, 2009
priority date (Note) -
Abandoned
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Abstract
In a non-reading mode, a bar code is detected by irradiating it with a laser beam from a laser source, power consumption of which is reduced, and it is determined whether or not the detected bar code is correct. The mode is changed from the non-reading mode to a reading mode in which the laser source operates at substantially full power if it is determined that the code symbol is correct. The non-reading mode continues if it is determined that the code symbol is not correct. This enables an auto-trigger function that triggers reading of the bar code automatically. Therefore, it is possible to eliminate conventional parts and/or special-purpose circuits for realizing the auto-trigger function so that the optical-information-reading apparatus can be downsized.
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