METHOD AND DEVICE FOR MEASURING DISTANCES

METHOD AND DEVICE FOR MEASURING DISTANCES

The invention relates to a method for measuring distances, based on the phase measurement of an optical measuring beam that is reflected or scattered by an object, on which the beam is sighted. According to said method, the measurement object is exposed to an optical measuring beam of modulated inte...

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1. Verfasser: KURT, GIGER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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description The invention relates to a method for measuring distances, based on the phase measurement of an optical measuring beam that is reflected or scattered by an object, on which the beam is sighted. According to said method, the measurement object is exposed to an optical measuring beam of modulated intensity emitted by a measuring device and is converted into electrical measurement signals. The signals are then compared with a reference signal that is generated from the detection and conversion of a portion of measuring light that has been guided on a known reference trajectory, in order to determine the distance between the measuring device and the measurement objet, based on the phase difference that has been determined. The emitted measuring beam is modulated in bursts and the measurement signal of the receiver is only evaluated during the active burst period. The invention also relates to devices for carrying out said method.
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subjects ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title METHOD AND DEVICE FOR MEASURING DISTANCES
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