The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 28, 2019

Filed:

Nov. 03, 2016
Applicant:

Hexagon Technology Center Gmbh, Heerbrugg, CH;

Inventors:

Johan Stigwall, St. Gallen, CH;

Thomas Jensen, Rorschach, CH;

Peter Champ, Pinner, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01S 7/481 (2006.01); G01S 17/48 (2006.01); G01B 11/25 (2006.01); G01S 7/486 (2006.01);
U.S. Cl.
CPC ...
G01S 7/4816 (2013.01); G01B 11/25 (2013.01); G01S 7/4814 (2013.01); G01S 7/4868 (2013.01); G01S 17/48 (2013.01);
Abstract

Some embodiments of the invention include a method for determining distances to an object to be measured based on the principle of triangulation, comprising generating and emitting a measuring light beam, directing the measuring light beam to the object to be measured, detecting a reflection of the measuring light from the object with respective pixels of an image sensor during a defined detection sequence (t-t) and deriving distance information based on the detected reflection. The detection sequence (t-t) comprises a number of at least two exposure sub-sequences each defining a particular exposure period and saturation limit for the pixels of the sensor, wherein a successive exposure sub-sequence comprises a higher saturation limit than its prior exposure sub-sequence and each saturation limit defines a maximum charging level of the pixels for the respective exposure sub-sequence.


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