Automatically-activated hand-supportable laser scanning bar code symbol reading system with omnidirectional and unidirectional scanning modes in addition to a data transmission activation switch
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United States of America Patent
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Apr 28, 2009
Grant Date -
Sep 29, 2005
app pub date -
Feb 17, 2005
filing date -
Dec 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-supportable bar code symbol reading device having a laser scanning engine that is controlled to selectively operate in either an omni-directional scan mode or a single line scan mode. In the single line scan mode of operation, symbol character data produced by the laser scanning engine is communicated to a host device in response to an activation signal produced by a data transmission switch. In the omni-directional scan mode, symbol character data is communicated to the host device irrespective of the activation signal. Preferably, mode selection means selectively operates the laser scanning engine in either the omni-directional scan mode of operation or the single line scan mode of operation in response to placement of the device in a support stand, thereby enabling automatic operation as a stationary hands-free omni-directional projection scanner (in stand), and automatic operation as a portable hand-held line scanner (out of stand).
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