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Dead man switch

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This is an old revision of this page, as edited by Baronjonas (talk | contribs) at 11:18, 13 November 2004. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A Dead man switch is a safety protection device. Such a device is typically used to switch off a technical system (i.e. a train) if no input is given for certain period of time.

For example: A train driver is required to press a button at regular intervals. If he gets a heart attack, the button will fail to be pressed and the train will be stopped automatically.

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