FAlL_SAFE_TIMER_FOR_TRAlNS

Published:2009/7/12 23:12:00 Author:May | From:SeekIC

Provides delays up to 4 min, adiustable in 2-s steps, with accuracy better than 5%. Patented circuit was developed by ML Engineering to provide appropriate automatic braking or other action if engineer on train fails to respond to signal within period of delay.-W.E. Anderton,Computers,Communication and High Speed Railways,Wireless World， Aug，1975,p 348-353.



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