Apparatus for reading coding on a moving coding carrier, especially a travelling fabric web
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United States of America Patent
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Jun 21, 1994
Grant Date -
N/A
app pub date -
Jul 22, 1992
filing date -
Aug 1, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for reading code lines on a moving carrier in which the lines extend transverse to the direction of movement. The reading head extends across the web and has a row of sensors subdivided into groups. The sensors of each group have a length equal to the maximum length of the coding traces and the total row has a substantially greater length so that the sensors are subdivided along the row into groups. The signals from sensors of preceding groups in a direction of signal flow along the row are summed e.g. at operational amplifiers before being summed with the corresponding sensor outputs of subsequent groups.
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