Speed of material measuring device - uses laser beams for materials having diffusely reflecting surface

The material speed measuring device uses a laser beam split in two and emitted from equidistant points on both sides of a vertical measurement path to be directed on a point on the material's surface. Frequency shift detectable as modulation are optoelectronically evaluated as the measure for t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SCHULZ,WOLFGANG,DR
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The material speed measuring device uses a laser beam split in two and emitted from equidistant points on both sides of a vertical measurement path to be directed on a point on the material's surface. Frequency shift detectable as modulation are optoelectronically evaluated as the measure for the material speed. A telescope with magnification of two to ten is inserted into the laser beam path, so that the laser beam falls on its lens with shorter focal distance and dia. greater than that of the laser beams. It is focussed to a distance greater than the measurement distance.