Patent · US Active

Measuring device having a function for calibrating a display image position of an electronic reticle

US9891050B2 · kind B2 · utility

0Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 2014
Grant dateFeb 13, 2018
Priority date
Expiry dateDec 24, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C25/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Some embodiments of the invention relate to a measuring device, in particular a video theodolite or video tachymeter. The measuring device may include a base, a support, a telescope optics having a lens, a physical target marking, an eyepiece, and a camera. The measuring device may also include an evaluation and control unit containing stored calibration parameters with respect to an image position indicating the target direction as target image position in the captured image, and a display for displaying a captured image having marking for the target image position. In some embodiments, a function may be included to respect and/or restore. In some embodiments, the function may be in form of an application on the user-device interface that can be called up.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.