Multi-line scan mark verification circuit
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United States of America Patent
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-
Nov 2, 1982
Grant Date -
N/A
app pub date -
May 30, 1980
filing date -
May 30, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a document scanning scheme where data is preceded on the document by a preprinted document scan mark, circuitry is employed to utilize multiple line scans of the scan mark by a line scan camera to verify the presence of a scan mark and avoid erroneous response to random marks on the document.
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