Patent ID: 8656597
Filing Date: 2014-02-25
Classification: A01G,B26B,G01D

Abstract:
1. A. portable electric cutting tool comprising: a body having a handgrip and baying a movable active element at one end thereof; an actuator positioned in said body, said actuator having a pair of cooperating parts, one of said pair of cooperating parts being movable linearly or angularly so as to move said active element of said body; a control device cooperative with said actuator so as to control an operation of said actuator, said control device baying a pair of cooperating parts, one of said pair of cooperating parts of said actuator having a magnet with a magnetization oriented in a direction and another of said pair of cooperating pans of said actuator having a magneto-resistive sensor, one of said pair of cooperating parts of said control device having a magnet with a magnetization oriented in a direction and another of said pair of cooperating parts of said control device having a magneto-resistive sensor; and an electronic control board having a microprocessor, said electronic control board configured such that analog or digital electrical information transmitted by the magneto-resistive sensors can be analyzed based on an inclination of magnetic field lines to the magneto-resistive sensors, said electronic control board for controlling said actuator for positioning said movable element based on a position of said control device.