Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C3/00—Measuring distances in line of sight; Optical rangefinders
G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
G01C3/12—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with monocular observation at a single point, e.g. coincidence type
Instrument zur Ermittlung einer Seite und eines dieser Seite anliegenden Winkels eines Geländedreiecks, von dem die beiden anderen Seiten und der von ihnen eingeschlossene Winkel bekannt sind, bei welchem Instrument mindestens eines der zur Darstellung der Dreiecksseiten verwendeten Lineale mit einem Visierfernrohr gekuppelt ist.