Electronic graphic detecting head
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 16, 1987
Grant Date -
N/A
app pub date -
Mar 7, 1985
filing date -
Mar 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Electronic graphic detecting head includes lamps for lighting a zone in which the said graphics may be presented, lenses for focusing on a detecting means designed to convert light signals into electric analogue signals and circuitry designed to supply a digital conversion of the said analogue signals. The main characteristic of the said electronic head consists in a first threshold-generating block designed to supply a comparator block with a first signal depending on the reflection of a support (3) bearing the said graphics, and a second block for intensifying the difference in value of the said analogue signal from successively-scanning elements on the said detecting means and designed to supply a second signal to the comparator block which supplies a third digital output signal representing the said graphics.
First Claim
Family
International Classification(s)
Cited Art Landscape
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