EP 2100181 A2 20090916 - SINGLE AND DOUBLE IMMATERIAL ELLIPSOID
Title (en)
SINGLE AND DOUBLE IMMATERIAL ELLIPSOID
Title (de)
IMMATERIELLES EINZEL- UND DOPPELELLIPSOID
Title (fr)
SIMPLE ET DOUBLE ELLIPSOÏDE IMMATERIELLE
Publication
Application
Priority
- FR 2006000619 W 20060322
- FR 0502795 A 20050322
- FR 0602120 A 20060310
Abstract (en)
[origin: WO2006100380A2] The invention concerns an element generating by optical effect an "immaterial" shape (2) free from any support such as for example a sphere. The method is characterized by a set of three Fresnel lenses (1a, 1b, and 1c) capable of being integrated in a luminaire or a device for displaying objects.
IPC 8 full level
G02B 27/22 (2006.01)
CPC (source: EP US)
G02B 3/08 (2013.01 - EP US); G02B 30/56 (2020.01 - EP US)
Citation (search report)
See references of WO 2006100380A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
HR
DOCDB simple family (publication)
WO 2006100380 A2 20060928; WO 2006100380 A3 20070308; EP 2100181 A2 20090916; US 2008192207 A1 20080814
DOCDB simple family (application)
FR 2006000619 W 20060322; EP 06726117 A 20060322; US 90932706 A 20060322