Solid-state relay (SSR), containing multinode control logic, is operated as normally open, normally closed, or latched. Moreover several can be paralleled to form two-pole or double-throw relays. Versatile unit ends need to design custom control circuit for every relay application. Technique can be extended to incorporate selectable time delay, on operation or release, or pulsed output.
Versatile solid-state relay
NASA Tech Briefs ; 2 , 2
1977-11-01
Miscellaneous
No indication
English
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