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It all started with Yale Linus Jr and patent US18169A in 1857. Look how far we've come. Post your patents here, discuss prior art, new designs, and various mechanisms important to the lock and lock picking world.
 by mh » 1 Mar 2022 12:39
https://patents.google.com/patent/US6229421The KABA MAS Auditcon 2, and Cencon, and probably others, have a similar type of solenoid. There seems to be a leaf spring inside that's moved away by the magnetic field, thus preventing bumping.
"The techs discovered that German locks were particularly difficult" - Robert Wallace, H. Keith Melton w. Henry R. Schlesinger, Spycraft: The secret history of the CIA's spytechs from communism to Al-Qaeda (New York: Dutton, 2008), p. 210
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mh
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