(19)
(11) EP 0 939 718 A1

(12)

(43) Date of publication:
08.09.1999 Bulletin 1999/36

(21) Application number: 97903745.0

(22) Date of filing: 13.01.1997
(51) International Patent Classification (IPC): 
B61L 23/ 06( . )
B61L 29/ 28( . )
B61L 29/ 24( . )
B61L 29/ 32( . )
(86) International application number:
PCT/US1997/000153
(87) International publication number:
WO 1997/025235 (17.07.1997 Gazette 1997/31)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV RO SI

(30) Priority: 12.01.1996 US 19960009857P
16.01.1996 US 19960009926P
15.02.1996 US 19960601902
16.09.1996 US 19960710147

(71) Applicant: EVA Signal Corporation
Bennington, NE 68007 (US)

(72) Inventor:
  • EVA Signal Corporation
    Bennington, NE 68007 (US)

(74) Representative: Powell, Timothy John 
Eric Potter Clarkson, Park View House, 58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)

   


(54) RAILROAD TRAFFIC WARNING SYSTEM APPARATUS AND METHOD THEREFOR