APPARATUS AND METHOD FOR CAPTURING AN AREA IN 3D
First Claim
1. An apparatus for capturing an area in 3D, the apparatus comprising:
- a distance meter structured to determine a distance from an object point in said area, said distance meter comprising an emitter for emitting a widely beam-shaped emitted signal to said object point;
a receiver structured to receive a signal reflected from said object point;
an evaluation and control unit configured to determine, from said emitted signal and from said reflected signal, the distance to said object point and with a beam sweeper that is configured to orient said emitted signal in different directions in space;
an image capturing unit structured to record an image of the area, said image capturing unit having a defined image capturing region and said image capturing unit being coupled to the beam sweeper in order to orient said image capturing region and said emitted signal onto the same object point.
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Abstract
An apparatus for three-dimensional coverage of a spatial area has a rangefinder for finding the range to an object point in the spatial area, and has an image recording unit. The rangefinder contains a transmitter for transmission of a transmitted signal which is largely in the form of a beam to the object point, a receiver for receiving a reflected signal from the object point, and an evaluation and control unit which is designed to determine the range to the object point on the basis of the transmitted signal and the reflected signal. The apparatus furthermore contains a beam scanning unit which is designed to point the transmitted signal in different spatial directions. The image recording unit has a defined image recording area, and is coupled to the beam scanning unit in order to align the image recording area and the transmitted signal with the same object point.
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Citations
19 Claims
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1. An apparatus for capturing an area in 3D, the apparatus comprising:
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a distance meter structured to determine a distance from an object point in said area, said distance meter comprising an emitter for emitting a widely beam-shaped emitted signal to said object point; a receiver structured to receive a signal reflected from said object point; an evaluation and control unit configured to determine, from said emitted signal and from said reflected signal, the distance to said object point and with a beam sweeper that is configured to orient said emitted signal in different directions in space; an image capturing unit structured to record an image of the area, said image capturing unit having a defined image capturing region and said image capturing unit being coupled to the beam sweeper in order to orient said image capturing region and said emitted signal onto the same object point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of capturing in 3D an area, the method comprising:
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emitting a widely beam-shaped emitted signal to an object point in the area, receiving a signal reflected from said object point and determining a distance to said object point by means of the emitted signal and of the reflected signal, orienting the emitted signal in different directions in space with the help of a beam sweeper, wherein an image of the area is moreover recorded using an image capturing unit, said image capturing unit having a defined image capturing region and said image capturing unit being coupled to the beam sweeper in order to orient the image capturing region and the emitted signal onto a plurality of identical object points.
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Specification