Hand-held measuring and calculating device
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United States of America Patent
Stats
-
Mar 22, 1983
Grant Date -
N/A
app pub date -
Jun 23, 1977
filing date -
Jun 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-contained, hand-held measuring device utilizing a roller mounted on a miniature electronic calculator to actuate the 'constant' integrating circuit as the roller rolls along a surface to be measured. The calculator keyboard is usable to make and display various calculations using the results of measured distances, as well as for calculating purposes generally.
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