For safety reasons, a motor that drives a safety-critical electromechanical assembly often includes an electromagnetic brake on its drive shaft. The brake typically comprises a solenoid coil that ...
According to the accession file, the Ford Instrument Company built this device “to control motor speed on a time line.” It reportedly was used on early Mark VIII range keepers, built for the U.S. Navy ...
With time on my hands, I decided to try a technique that I noticed first in a L200 voltage regulator data sheet. It is fig 25 in STM’s ‘A Designer’s guide to the L200 voltage regulator’ (ST webpage ...