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Optical Distance Measuring Device

  • US 20120249998A1
  • Filed: 07/15/2010
  • Published: 10/04/2012
  • Est. Priority Date: 09/11/2009
  • Status: Active Grant
First Claim
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1. A measuring device for optical distance measurement, in particular a handheld measuring device, comprising:

  • a transmitting unit for emitting optical measurement radiation toward a target object;

    a receiving unit having a detection area for detecting optical measurement radiation returning from the target object; and

    an evaluation unit,wherein the detection area has a multiplicity of pixels,wherein each pixel has at least one SPAD,wherein each of the multiplicity of pixels is connected to the evaluation unit,wherein the transmitting unit and the receiving unit are designed in such a way that optical measurement radiation returning from the target object simultaneously illuminates a plurality of pixels, andwherein the evaluation unit is designed to determine a distance between the measuring device and the target object on the basis of an evaluation of detection signals of a plurality of pixels.

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