EP 0943522 B1 20040714 - Radio communication apparatus for rail and tram vehicles
Title (en)
Radio communication apparatus for rail and tram vehicles
Title (de)
Funkkommunikationsgerät für Schienenfahrzeuge und Stadtbahnwagen
Title (fr)
Appareil de communication radio pour véhicules ferroviaires et tramway
Publication
Application
Priority
IT FI980063 A 19980320
Abstract (en)
[origin: EP0943522A1] Radio communication apparatus for rail and tram vehicles comprising at least one transmission unit (T) and at least one reception unit (R) mounted on corresponding coaches (3) of a vehicle formed by a plurality of coaches (3), each of said transmission (T) and reception units (R) being associated to at least a corresponding antenna (1; 2) able to transmit and respectively receive radio signals exchanged by said units (T, R) within the space said signals propagate, characterized in that the propagation space of said signals consists of a wave guide delimited on top by the platform or underbody (30) of the coaches (3) which form the vehicle, at the bottom by the rails plane (4) and, laterally by the trucks and wheels (31) of the coaches (3). <IMAGE>
IPC 1-7
IPC 8 full level
B61L 3/12 (2006.01); B61L 15/00 (2006.01)
CPC (source: EP)
B61L 15/0027 (2013.01); B61L 15/0072 (2013.01)
Designated contracting state (EPC)
AT CH DE ES FR IT LI
DOCDB simple family (publication)
EP 0943522 A1 19990922; EP 0943522 B1 20040714; AT E270990 T1 20040715; DE 69918582 D1 20040819; DE 69918582 T2 20050811; IT FI980063 A0 19980320; IT FI980063 A1 19990920
DOCDB simple family (application)
EP 99830151 A 19990319; AT 99830151 T 19990319; DE 69918582 T 19990319; IT FI980063 A 19980320