Thyristors in ION patent 4,862,093

Walter Petermann corsaro at brokersys.com
Sat May 30 16:19:36 GMT 1998


The 'thyristors' in the figure look like SCR's. In the
description of their operation it says that a trigger pulse
to the gate 'opens the earthing connection'.
In my experience the gate trigger makes the device conduct.
Are there other types of SCR's or maybe this is not an SCR?
Maybe I'm misinterpreting what they mean by open & closed?

 Walter



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