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Method and apparatus for controlling railway switches

  • US 20080272247A1
  • Filed: 07/02/2008
  • Published: 11/06/2008
  • Est. Priority Date: 01/03/2005
  • Status: Abandoned Application
First Claim
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1. A railroad switch system, comprising:

  • a railroad track in a dark territory, the railroad track comprisinga main track segment,a first track segment,a second track segment, anda switch point that selectively couples the main railroad track segment to the first track segment or the second track segment;

    a power switch coupled to the switch point;

    a switch controller for controlling the operation of the power switch;

    a dual tone multiple frequency (DTMF) module for receiving a signal, the DTMF coupled to the switch controller;

    the switch controller coupled to a main control unit (MCU), the MCU adapted to receive a wireless signal via a wireless communications device;

    a switch circuit controller coupled between the MCU and the switch point;

    a first track circuit coupled between the first track segment, main track segment and the MCU; and

    a second track circuit coupled between the second track segment and the MCU.

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