Global Patent Index - EP 4070137 A1

EP 4070137 A1 20221012 - ANGULAR FILTER

Title (en)

ANGULAR FILTER

Title (de)

WINKELFILTER

Title (fr)

FILTRE ANGULAIRE

Publication

EP 4070137 A1 20221012 (FR)

Application

EP 20815886 A 20201203

Priority

  • FR 1913892 A 20191206
  • EP 2020084543 W 20201203

Abstract (en)

[origin: WO2021110875A1] The present description relates to an angular filter (13) comprising a first and a second planar-convex lens array (131, 141) and a matrix of openings (137), the planar faces of the lenses (131, 141) of the first array and the second array facing each other.

IPC 8 full level

G02B 3/00 (2006.01); G02B 5/20 (2006.01)

CPC (source: EP US)

G02B 3/0018 (2013.01 - EP); G02B 3/0031 (2013.01 - EP US); G02B 5/201 (2013.01 - EP US)

Citation (search report)

See references of WO 2021110875A1

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)

WO 2021110875 A1 20210610; CN 218383360 U 20230124; EP 4070137 A1 20221012; FR 3104272 A1 20210611; FR 3104272 B1 20230901; JP 2023504883 A 20230207; US 2023003923 A1 20230105

DOCDB simple family (application)

EP 2020084543 W 20201203; CN 202090000999 U 20201203; EP 20815886 A 20201203; FR 1913892 A 20191206; JP 2022534311 A 20201203; US 202017782558 A 20201203