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| Number | Title | Issue Date |
| 7394216 | Automatic anti-trap device An automatic anti-trap device is provided to add safety to other apparatuses. The automatic anti-trap device of this invention has a driving circuit to control a motor, a current sensor to generate a current signal, a current ripple peak value circuit to generate a ... | 07/01/2008 |
| 7190142 | Apparatus and method for controlling fan drive in computer system Embodiments of an apparatus and method can control a fan drive in a computer system. Such embodiments of apparatus and methods can alternately output a plurality of pulse width modulation (PWM) control signals at a predetermined time ratio and variably control a rot... | 03/13/2007 |
| 7163381 | Pump and method of pump control A pump includes a motor and a motor control in operative connection with the motor. The motor control provides energy input to the motor to drive the motor and receives feedback from the motor of motor function. The motor control includes a motor control protocol th... | 01/16/2007 |
| 7038415 | Motor driving device A temperature sensor (33) detects the temperature of a MOS transistor (7), and a current detecting circuit (35) detects current flowing in the MOS transistor (7). When the voltage corresponding to the detected temperature or the voltage c... | 05/02/2006 |
| 6593713 | Control apparatus for hybrid vehicle A control apparatus utilizes an electric motor to initially start-up an engine. In an engine restart under certain conditions, the control apparatus sets a motor output value for the electric motor to a value exceeding the rated performance. Thus, when st... | 07/15/2003 |
| 5726511 | Rotary machine having water-resistant structure A labyrinth formed between a pulley and a housing of a rotary machine such as an alternator is arranged to have a plurality of differently-shaped air gaps. When the size of a first air gap between a belt guide of the pulley is δ1, the size of a second ai... | 03/10/1998 |
| 4486078 | Driving device for a revolver in a microscope A microscope provided with a revolver having objective lenses mounted thereon and rotatable to move the objective lenses into an observation optical path comprises means for varying the load torque for rotation of the revolver at the rotated position of t... | 12/04/1984 |
| 4166239 | Roll film drive control arrangement Drive control arrangement for roll film having an end attached to a reel shaft and in which an increase in the load imposed on a reel drive motor caused by increased tension in the film when the attached end of the film is reached during film unwinding, o... | 08/28/1979 |
