G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 3/10 (2006.01) G01B 7/02 (2006.01)
Patent
CA 2054432
ABSTRACT The present invention relates to a simple electronic calculating device that facilitates the measuring and use of charts, maps, drawings, plans, etc.. The device is in the form of a retractable tape measure provided with a microprocessor, the tape measure being programmable to relate the scale of the chart, map or the like to the distance moved by the tape and produce a visible readout in real measurement on the tape measure housing of a distance on the chart as measured by the tape.
Kent & Edgar
Wright John
LandOfFree
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