(19)
(11) EP 1 174 658 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.06.2004 Bulletin 2004/25

(43) Date of publication A2:
23.01.2002 Bulletin 2002/04

(21) Application number: 01202687.8

(22) Date of filing: 13.07.2001
(51) International Patent Classification (IPC)7: F21S 11/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 21.07.2000 IT MI001675

(71) Applicant: iGUZZINI ILLUMINAZIONE S.R.L.
I-62019 Recanati, Macerata (IT)

(72) Inventor:
  • Guzzini, Giannunzio
    62019 Recanati (IT)

(74) Representative: De Gregori, Antonella 
Ing. Barzano & Zanardo Milano S.p.A. Via Borgonuovo 10
20121 Milano
20121 Milano (IT)

   


(54) Light carrier system for natural light


(57) A light carrier system for natural light provided with a sun light sensor (11), equipped with a Fresnel lens (12) consisting of a film and with linear concentration located outside the building housing the room to be lit, a transport duct (13) and a diffuser (14), where inside the unit composed of the transport duct (13) and the diffuser (14), an aluminium reflector curves from the transport duct to the base of the diffuser (14), touching the lower surface composed of an OLF (Optical Lighting Film) resting on a sheet of transparent polycarbonate representing the emission surface. The sun light sensor (11) is capable of following the course of the sun, actively, following the height on the horizon during the day to optimally take advantage of its capacities to receive light.






Search report