EP 4070137 A1 20221012 - ANGULAR FILTER
Title (en)
ANGULAR FILTER
Title (de)
WINKELFILTER
Title (fr)
FILTRE ANGULAIRE
Publication
Application
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
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