Marker dot detecting device for color image recording apparatus
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United States of America Patent
Stats
-
Nov 8, 1994
Grant Date -
N/A
app pub date -
May 13, 1992
filing date -
May 14, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A marker dot detecting device for a color image recording apparatus such as a color copying machine, color facsimile, or color printer. The marker dot detecting device includes a marker dot detecting unit for detecting a marker dot by detecting a plane size of binary image data having a preset marker color. Further, the marker dot detecting unit includes a template mask unit having a first template mask in a predetermined first size and a second template mask in a predetermined second size larger than the first size, the second template mask including the first template mask. The template mask unit outputs a marker dot detecting signal when a detected size of the marker dot is larger than that of the first template mask and smaller than that of the second template mask.
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