Global Patent Index - EP 3224573 A1

EP 3224573 A1 20171004 - DEVICE AND METHOD FOR SEQUENTIAL DIFFRACTIVE PATTERN PROJECTION

Title (en)

DEVICE AND METHOD FOR SEQUENTIAL DIFFRACTIVE PATTERN PROJECTION

Title (de)

VORRICHTUNG UND VERFAHREN ZUR SEQUENTIELLEN, DIFFRAKTIVEN MUSTERPROJEKTION

Title (fr)

APPAREIL ET PROCÉDÉ DE PROJECTION DE MOTIFS DE MANIÈRE DIFFRACTIVE ET SÉQUENTIELLE

Publication

EP 3224573 A1 20171004 (DE)

Application

EP 15763904 A 20150915

Priority

  • DE 102015202182 A 20150206
  • EP 2015071011 W 20150915

Abstract (en)

[origin: WO2016124261A1] The invention relates to a device and to a method for reconstruction of a surface of an object (0) by means of a structured illumination, comprising at least one projector device (1) for diffractive projection onto the surface of the object of measuring patterns (MM1, MM2, MM3) having measuring elements, in particular measuring points (P); at least one detecting device (3) for detecting the measuring patterns (MM1, MM2, MM3) on the surface of the object; a computer device (5) for reconstruction, performed in particular by means of triangulation, of the surface of the object from a respective distortion of a measuring pattern. The invention is characterised in that all possible positions of measuring elements in repeating groups (G) are represented in a measuring pattern, in which a respective combination of generated and/or non-generated measuring elements encodes the respective location in the overall pattern (GM).

IPC 8 full level

G01B 11/25 (2006.01)

CPC (source: EP US)

G01B 11/2513 (2013.01 - EP US); G01B 11/254 (2013.01 - US); G02B 27/425 (2013.01 - US); G06T 7/521 (2016.12 - US); G06T 2207/10028 (2013.01 - US)

Citation (search report)

See references of WO 2016124261A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102015202182 A1 20160811; EP 3224573 A1 20171004; US 2018010907 A1 20180111; WO 2016124261 A1 20160811

DOCDB simple family (application)

DE 102015202182 A 20150206; EP 15763904 A 20150915; EP 2015071011 W 20150915; US 201515546487 A 20150915