Method and System for Determining the Position of a Receiver Unit
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Abstract
Disclosed are a method and a system for determining the position of a receiver unit (5′). According to said method, modulated radiation is generated by at least one radiation projector (1′), and a number of reference points, from among which reference points (2″) lying within a detection range (6′) of the receiver unit (5′) are detected, are projected by means of said modulated radiation. Positional data, particularly location data and/or orientation data, is derived for the receiver unit (5′) from the radiation of said reference points (2″).
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Citations
57 Claims
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1-23. -23. (canceled)
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24. A method for determining a position of a receiver unit, the receiver unit including at least one radiation projector which is capable of being positioned independently of the receiver unit and having at least one laser source for projecting at least one detectable reference point of a set of reference points, the receiver unit being configured to detect reference points of the set of reference points and the set of reference points having at least three reference points, the method comprising the following acts:
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generating modulated electromagnetic radiation for projecting the reference points; projecting at least three reference points detectable by the receiver unit; detecting the radiation of at least three projected reference points of the set of reference points by the receiver unit; and deriving position information including location and/or orientation information, for the receiver unit from the detected radiation. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A system for determining a location and/or an orientation of a receiver unit, comprising:
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a reference point generation means for projecting at least three reference points with at least one first radiation projector which has at least one first laser source configured to generate coded or modulated electromagnetic radiation; and a receiver unit with at least one detector for simultaneous reception of the radiation of the at least three reference points, the detector and an evaluation unit being configured to derive a change of the relative position of a signal as a function of time or a phase change for the radiation of the at least three reference points, wherein the reference point generation means is configured to be independently positioned relative to the receiver unit. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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Specification