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Surveying instrument

  • US 10,215,563 B2
  • Filed: 06/05/2017
  • Issued: 02/26/2019
  • Est. Priority Date: 05/12/2010
  • Status: Active Grant
First Claim
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1. A theodolite or total station comprising:

  • a base;

    an aiming structure being swivelable in two directions with respect to the base and including;

    an objective optical system defining an aiming axis; and

    at least a first camera in a direction of the aiming axis, wherein the at least first camera is provided as an on axis camera that is integrated into the aiming structure and that is seeing through the objective optical system, wherein the first camera has an optical magnification factor and provides at least a first image signal; and

    a wide angle camera with lower optical magnification factor as a second camera that is integrated into the aiming structure providing a second image signal and defining an optical axis, wherein the first and second cameras are arranged such that the optical axis and the aiming are in parallel;

    a display; and

    a controller being adapted so that the first image signal and the second image signal are processed in order to generate image signal data so that a first video stream and a second video stream are displayed simultaneously on the display, wherein the first video stream corresponds with the first image signal and the second video stream corresponds with the second image signal, wherein each of the first video stream and the second video stream represent a real time video stream, wherein the first video stream is a magnification of a detail of the second video stream being an overview video stream, and the first video stream from the on axis camera is overlaid with a reticle indicating the aiming axis,wherein a positional relationship between the aiming axis and the optical axis is processed by the controller for simultaneously displaying the first and the second video streams.

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