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Projector for illuminating at least one object

A projector and object technology, applied in the field of projectors, can solve complex, time-consuming and other problems

Pending Publication Date: 2022-05-27
TRINAMIX GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Several methods are known for solving the correspondence problem, however, these methods are complex and time-consuming

Method used

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  • Projector for illuminating at least one object
  • Projector for illuminating at least one object
  • Projector for illuminating at least one object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0145] figure 1 A first embodiment of a projector 110 for illuminating at least one object 112 with at least one illumination pattern 114 is shown in a highly schematic manner.

[0146]The illumination pattern 124 may include a plurality of features 116 . The illumination pattern 114 may include an arrangement of periodic or aperiodic features. The illumination pattern 114 may comprise at least one pattern selected from the group consisting of: at least one dot pattern, in particular a pseudo-random dot pattern; random dot pattern or quasi-random pattern; at least one Sobor pattern; at least one quasi-periodic pattern at least one pattern comprising at least one predetermined feature at least one regular pattern; at least one triangular pattern; at least one hexagonal pattern; at least one rectangular pattern comprising at least one pattern of convex uniform tiles; at least one line pattern comprising at least one line ; at least one line pattern comprising at least two line...

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Abstract

The invention relates to a projector (110) for illuminating at least one object (112) with at least one illumination pattern (114). The projector (110) comprises at least one array (118) of vertical cavity surface emitting lasers (VCSELs) (120). Each of the VCSELs (120) is configured to generate at least one light beam. The projector (110) comprises at least one optical system (122) configured for generating a characteristic beam profile for each of the light beams generated by the VCSELs (120) of the array (118). Beam profiles of adjacent VCSELs (120) of the array (118) differ in a lateral and / or axial direction such that light beams of the VCSELs (120) of the array (118) can be distributed to corresponding VCSELs (120) in a three-dimensional space.

Description

technical field [0001] The present invention relates to projectors, detectors and methods for determining the position of at least one object. The device, method and use according to the invention can in particular be used, for example, in everyday life, games, transportation technology, production technology, security technology, photography such as digital photography or video photography for art, documentation or technical purposes, medical technology, In various fields of home care, smart living or in science. Furthermore, the present invention may in particular be used for scanning one or more objects and / or for scanning a scene, such as for generating a depth profile of an object or scene, eg in architecture, metrology, archaeology, medicine, engineering or manufacturing in the field. However, other applications are also possible. Background technique [0002] Numerous optical devices and methods are known from the prior art for 3D measurements using structured ligh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/48G01S7/481G01B11/25G02B27/09
CPCG01S17/48G01S7/4815G01B11/254G02B27/0927G02B27/0922G01B11/25H01S5/183
Inventor J·希克R·希布斯特D·罗斯D·克劳斯
Owner TRINAMIX GMBH