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(unrelated 6) What makes a clock tick - exploring the Lavet motor 5 лет назад


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(unrelated 6) What makes a clock tick - exploring the Lavet motor

1:40 demonstration, 6:18 explanation, 12:51 signal on scope. From an electromechanical alarm clock, I extracted the Lavet Motor and explore it's properties. The motor was invented by the French engineer Marius Lavet in 1936. The mechanism is a stepper motor that gets triggered once a second by an electromagnetic field generated by a coil. A quartz and a frequency divider are responsible for the 1Hz electric pulses. We see the motor spinning, learn about the principle of the mechanism and see the signal on a scope. Also check wikipedia https://en.wikipedia.org/wiki/Lavet-t...

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