Distance measuring method and distance measuring element for detecting the spatial dimension of a target
A distance measuring method and a technology of a range finder, which are applied in the field of range finders and can solve problems such as parallel measurement of multiple sensors
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[0048] Figure 1a to Figure 1c A prior art method for determining the spatial dimension or shape of an object is explained. In order to scan the surface of an object, multiple light paths to many different points of the surface must be implemented.
[0049] like Figure 1a As shown, this can be achieved by a scanning movement of a single beam path with the aperture 1a, which in each case detects only a single point simultaneously. Objects are overwritten entirely sequentially. For this purpose, a light signal, generated for example by a laser, is directed onto the object via a scanning mechanism and is suitably shaped by the transmitter optics. A part of the light reflected by the object is received through the aperture 1a of the receiving optical system and guided to the optical sensor of the measuring system. Based on the signal transit time from the light source of the measurement system to the object and back to the sensor, the distance of each measured point can be der...
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