OPERATING SENSING CIRCUIT FOR DISABLING MOTOR OF POWER EQUIPMENT
摘要
An electrical characteristic in an operator-sensing circuit having a microcontroller that commands a charge sensor to send a sensor charge signal to a capacitive sensing element. The charge sensor outputs a corresponding raw data signal to the microcontroller that in turn sends a signal that disables the motor of a unit power equipment upon the absence of an operator's hand on a hand-gripping surface of the equipment. Capacitive means for operating within a predetermined charge range that includes preselected values that designate hands-off and hands-on conditions on the hand-gripping surface. The capacitor charge range is effective to distinguish between the presence of an operator's hand and foreign material on the gripping surface for avoiding a false hands-on-signal.
申请公布号
WO2005078333(A2)
申请公布日期
2005.08.25
申请号
WO2005EP01647
申请日期
2005.02.17
申请人
GUSTAV MAGENWIRTH GMBH & CO. KG;KIRCHNER, MARKUS;NEIDERT, MARKUS;SAUTER, RALPH;MITTMANN, BERNHARD
发明人
KIRCHNER, MARKUS;NEIDERT, MARKUS;SAUTER, RALPH;MITTMANN, BERNHARD