Device for simultaneous creation and detection of markings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 2, 1984
Grant Date -
N/A
app pub date -
Nov 9, 1981
filing date -
Nov 10, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for simultaneous generation and detection of markings (e.g. handwriting) comprising at least one marking member and at least one optical sensor, which is arranged to sense at least one optical property of the surface on which the marking is being made, the marking member being arranged to change said at least one property of the surface on which the marking is made, said optical sensor being arranged to sense the direction of said marking relative to the orientation of the device.
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Family
International Classification(s)
Cited Art Landscape
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