Method and apparatus for an interlocking control device
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United States of America Patent
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Nov 24, 2020
Grant Date -
Oct 26, 2017
app pub date -
Jul 11, 2017
filing date -
Nov 30, 2007
priority date (Note) -
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Abstract
A distributed interlocking device, architecture and process are disclosed, and are based on segregating vital logic for a signal installation by type of signal equipment. A plurality of intelligent signal devices is disclosed, wherein each intelligent signal device is used to control a basic signal unit. A signal unit includes a set of signal apparatuses that are geographically and logically interrelated. An intelligent signal device receives data related to the states of other signal devices, determines and controls its own operational states, and communicates its own operational states to other devices. A generic intelligent signal device is also disclosed. Further, a plurality of new concepts, and signal control functions are provided, and include a vital change management process, and a failure recovery scheme based on dynamic reconfiguration of home and distant control functions.
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