×

Interlocking for a railway system

  • US 6,308,117 B1
  • Filed: 03/17/2000
  • Issued: 10/23/2001
  • Est. Priority Date: 03/17/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An interlocking for a railway system, comprising:

  • functional computing means which commands route settings in the system in response to route setting requests; and

    assurance computing means coupled with the functional computing means, wherein the assurance computing means contains information concerning the signalling principles of the railway system and receives information concerning the state of the railway system and information concerning commands from the functional computing means and only allows a command from the functional computing means to be brought into effect if the current state of the railway system is such that it would be safe to do so.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×