Optics: measuring and testing – Angle measuring or angular axial alignment – Apex of angle at observing or detecting station
Patent
1999-08-16
2000-10-31
Font, Frank G.
Optics: measuring and testing
Angle measuring or angular axial alignment
Apex of angle at observing or detecting station
356 3, G01C 100, G01C 300
Patent
active
061410918
ABSTRACT:
The present invention provides a surveying apparatus adapted to be worn on the head of user. The surveying apparatus contains components for optical sighting, distance measurement, bearing determnination, position fixation, and signal processing. The distance measuring device is preferably a laser distance measuring device.
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patent: 5471218 (1995-11-01), Talbot et al.
patent: 5539513 (1996-07-01), Dunne
patent: 5568152 (1996-10-01), Janky et al.
patent: 5815411 (1998-09-01), Ellenby et al.
Font Frank G.
Measurement Devices Limited
Stafira Michael P.
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