Scanning device
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United States of America Patent
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Jun 11, 1996
Grant Date -
N/A
app pub date -
Jun 7, 1994
filing date -
Jul 6, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Scanning device for optically scanning symbol codes, such as bar codes, comprising a laser source for producing a scanning beam, a detector for detecting light backscattered by the scanned symbol codes, first and second rotatable deflection elements for both transmitting and deflecting the scanning beam so as to generate a scanning pattern, and drive devices for rotating the first and second deflection elements around a first and second axis of rotation, respectively, in which scanning device the scanning beam when impinging upon the first deflection element does not coincide with at least one of both axes of rotation.
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