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The particular door-mounted scanner tested optically samples the fingerprint, and it had some extra "liveness-sensing" features that supposedly looks for pulse, body heat, and sweat (though, in the end, the door-scanner ended up being fooled much easier than the low-tech fingerprint scanner on Jamie's laptop).
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Two thermal switches (Thermal Cut) Schematic symbol for a thermal overload switch A thermal switch (sometimes thermal reset or thermal cutout (TCO)) is a device which normally opens at a high temperature (often with a faint "plink" sound) and re-closes when the temperature drops.
The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.
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related to: led door lock light on whirlpool ovenrepairclinic.com has been visited by 10K+ users in the past month
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