Electronic marking instrument
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United States of America Patent
Stats
-
Mar 26, 1996
Grant Date -
N/A
app pub date -
Dec 27, 1994
filing date -
Mar 3, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-held marking device comprises an electrically actuated writing head for making marks on a writing surface and a sensor for detecting when the writing head is moving in any direction in a plane parallel to the surface. The device includes a mechanism for causing the head to be actuated when the sensor detects relative movement of the writing head and the surface. The writing head can be arranged to be able to make a plurality of different types or sizes of marks on a writing surface, in which case a mechanism is provided for selecting which of the different mark types or sizes is to be made.
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