METHOD AND APPARATUS FOR THE EXCLUSIVE IDENTIFICATION OF CONTROL SIGNALS IN A RAILWAY ELECTRIC LINE
- 申请公布号：
- SI2332305(T1)
- 申请号：
- SI20090030992T
- 申请日期：
- 2009.08.25
- 申请公布日期：
- 2014.09.30
- 申请人：
- SIRTI S.P.A.
- 发明人：
- MORELLI MAURIZIO;TRENTINI DANIELE
- 摘要：
- Apparatus for exclusive identification of control signals along an alternating current power supply (A), consisting of a plurality of power cables which connect a central unit (C) to a plurality of signal devices (L) Said apparatus comprises a circuit for transmitting such power supply signals adapted to associate to each of the power supply signals an unambiguous code word to each device to be supplied with power, which consists in providing a preset number of positive negative half- waves in the alternating power supply signal according to a predetermined sequence. A block (2,2') is able to extract the power supply signal from each cable of the line and one processing block (3,3') is adapted to compare such predetermined unambiguous codes with the extracted signals.
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