Marius Lavet (February 8, 1894 in Clermont-Ferrand – February 14, 1980 in Paris) was a French engineer who invented in 1936 the principle of stepper motor.
A stepper motor can turn an electrical impulse in angular movement.
The invention of Lavet is enshrined in French Patent FR823395 and was instrumental, among other applications, for the development of watches with quartz mechanisms, using the principle known as the piezoelectric.
Quartz watches dominate the world market today, due to their low price and high precision.
This French engineer or inventor biographical article is a stub.