A horological motor of the Lavet motor concept is used to form an actuator to control movement of a lens system to reduce power consumption in digital camera units used in various electronic equipment, e.g. PDA's, mobile phones, digital still cameras and camcorders, and as a result increase battery life....http://www.google.ca/patents/US7657167?utm_source=gb-gplus-sharePatent US7657167 - Compact camera modules with Lavet stepping-motors as actuators
