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Who invented the Reed Switch

- Apr 09, 2018 -

We all know that the Magnetic Reed Switch Sensor consists of core compenent ---- the Reed Switch, and the cable, and finally its clothes housing case. 


But who invented the key part of the magnetic switch ---- the Reed switch. 


Reed Switch is a magnetic special switch, is the main component of the reed relay and proximity switch. The reed switch was invented by Walter B. Ellwood of Bell Telephone Lab in 1936, who was patented in the United States on June 27, 1940, patent number 2264746.



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