METHOD AND DEVICE FOR OPTICALLY MEASURING DISTANCE

Method for optical distance measurement in which measurement instrument (10) with integral transmission arm (14) and receiving arm (18) transmits measurement light towards an object (20) and detects scattered or reflected light with a measurement receiver (54). The detected light is subjected to a f...

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Bibliographische Detailangaben
Hauptverfasser:	WOLF, PETER, STIERLE, JOERG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING
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Beschreibung
Zusammenfassung:	Method for optical distance measurement in which measurement instrument (10) with integral transmission arm (14) and receiving arm (18) transmits measurement light towards an object (20) and detects scattered or reflected light with a measurement receiver (54). The detected light is subjected to a frequency mixing process in which it is converted to a low frequency range. A measurement diode (62) is used for detection and frequency conversion. Its cathode and anode voltages are modulated with a high frequency signal for generation of a mixing signal. An Independent claim is made for a device for optical distance measurement.