EP 1637797 A3 20060830 - Collimator lens for a projecting headlight in a motor vehicle
Title (en)
Collimator lens for a projecting headlight in a motor vehicle
Title (de)
Sammellinse für einen Projektionsscheinwerfer in einem Kraftfahrzeug
Title (fr)
Lentille collimateur pour projecteur dans une véhicule automobile
Publication
Application
Priority
SI 200400259 A 20040917
Abstract (en)
[origin: EP1637797A2] The lens [CL] has a smooth surface [SF] on one side and a Fresnel surface [FZL] on the output side. This has a central plane zone [CRS] in the centre. The Fresnel lens region has between two and five profiled ring sections and provides a focussed beam. The lens can be produced as a plastic moulding.
IPC 8 full level
CPC (source: EP US)
F21S 41/255 (2017.12 - EP); F21S 41/275 (2017.12 - EP); F21V 5/045 (2013.01 - EP US)
Citation (search report)
- [XA] DE 19856281 A1 20000608 - BOSCH GMBH ROBERT [DE]
- [X] EP 0798506 A2 19971001 - OSRAM SYLVANIA INC [US]
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 MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1637797 A2 20060322; EP 1637797 A3 20060830; SI 21894 A 20060430
DOCDB simple family (application)
EP 05102823 A 20050411; SI 200400259 A 20040917