Method of detecting and evaluating identification codes on continuously moving webs
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United States of America Patent
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Jun 16, 1987
Grant Date -
N/A
app pub date -
Nov 21, 1984
filing date -
Nov 22, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Identification marks in the form of code fields are arranged on a material band which is adapted to be moved in a continuous manner. These identification marks are recognized by a reader head with a subsequent evaluating logic, whereby under conditions of signal flow produced by the reader head on passing of the code field at the evaluating logic, this signal flow is transformed into identification marking corresponding to the respective code field. Each code field is preceded by a starter label which produces a start signal causing the release of the initially blocked signal flow between the reader head and the evaluating logic and actuates a switch component to assume a transmitting condition. On completion of the signal flow transformation into the identification marking, the signal flow ceases due to actuation of the switch component.
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