(19)
(11) EP 2 328 790 A2

(12)

(88) Date of publication A3:
20.01.2011

(43) Date of publication:
08.06.2011 Bulletin 2011/23

(21) Application number: 09806113.8

(22) Date of filing: 25.08.2009
(51) International Patent Classification (IPC): 
B61L 1/20(2006.01)
B61L 1/18(2006.01)
(86) International application number:
PCT/IB2009/006648
(87) International publication number:
WO 2010/035090 (01.04.2010 Gazette 2010/13)
(84) Designated Contracting States:
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 SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 28.08.2008 IT MI20081551

(71) Applicant: Sirti S.p.A.
20127 Milano (IT)

(72) Inventors:
  • MORELLI, Maurizio
    I-16138 Genova (IT)
  • The other inventor has agreed to waive his entitlement to designation.

(74) Representative: Di Gennaro, Sergio 
Brazanò & Zanardo Milano S.p.A. Corso Vittorio Emanuele II, 61
10128 Torino
10128 Torino (IT)

   


(54) METHOD AND APPARATUS FOR DETERMINING THE OCCUPATION STATE OF THE CIRCUIT OF A DIRECT CURRENT TRACK CIRCUIT IN A RAILWAY LINE