| 摘要 |
PCT No. PCT/EP95/03163 Sec. 371 Date Apr. 1, 1997 Sec. 102(e) Date Apr. 1, 1997 PCT Filed Aug. 9, 1995 PCT Pub. No. WO96/05095 PCT Pub. Date Feb. 22, 1996Proposed is a new early warning system for warning persons in a track building site of approaching trains, which receives the danger source consisting of a train by sensors and transmits the signals to alarm installations (8, 9, 10). The alarm installations consist of a siren (8) and optical warning device (10) for the transmission of flashing lights and of a vibrator (9) which can be carried at the body of a person to be warned. The sum of these three alarm installations in connection with suitable sensors (11) and an evaluating unit or central unit form the nucleus of the system.
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