Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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22/00
Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
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G01C22/02
by conversion into electric waveforms and subsequent integration, e.g. using tachometer generator
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