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Class Information
Number: 318/255
Name: Electricity: motive power systems > Plural diverse motor controls
Description: Subject matter in which means are provided for effecting or causing two or more diverse operations of an electric motor.










Sub-classes under this class:

Class Number Class Name Patents
318/276 Acceleration control 33
318/273 Motor braking 49
318/256 Motor-reversing 105
318/268 Running-speed control 387


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8659246 High efficiency roller shade Feb. 25, 2014
8593097 Seat adjusting device Nov. 26, 2013
8575872 High efficiency roller shade and method for setting artificial stops Nov. 5, 2013
8575875 Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter Nov. 5, 2013
8575884 Motor drive control system enabling connection of direct current/alternating current conversion device Nov. 5, 2013
8569980 Trash can with power operated lid Oct. 29, 2013
8569985 Wiper control apparatus Oct. 29, 2013
8525451 Motor control device, electric power steering system, and vehicle steering system Sep. 3, 2013
8519660 Portable racking tool for electric equipment replacement and method for replacing electrical components Aug. 27, 2013
8508159 Device and method for controlling the movement of a both motorically and manually movable vehicle part Aug. 13, 2013
8502483 Model train remote control system having realistic speed and special effects control Aug. 6, 2013
8476849 Multisensory control of a patient-lifting-device Jul. 2, 2013
8476853 Redundant overspeed protection for power tools Jul. 2, 2013
8461786 Method and device for determining the position of a mobile closing part of a vehicle Jun. 11, 2013
8427084 Digital pulse width modulated motor control system and method Apr. 23, 2013
8400093 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly Mar. 19, 2013
8390229 Washing machine with improved method of braking to a non-zero speed Mar. 5, 2013
8390219 Door operator with electrical back check feature Mar. 5, 2013
8368328 Method for operating a motorized roller shade Feb. 5, 2013
8348625 Multiple fan speed control system for preventing overload at start-up Jan. 8, 2013
8350515 Stepper motor controller with braking circuit Jan. 8, 2013
8344670 Coupling for a movable furniture part Jan. 1, 2013
8339085 Method for synchronizing a plurality of roller shades using variable linear velocities Dec. 25, 2012
8339086 System for syncronizing a plurality of roller shades using variable linear velocities Dec. 25, 2012
8334666 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly Dec. 18, 2012
8310179 Patient-lifting-device controls Nov. 13, 2012
8310178 Motor control apparatus and image forming apparatus Nov. 13, 2012
8299734 High efficiency roller shade Oct. 30, 2012
8217598 Method of driving vibration wave motor and device for driving the same Jul. 10, 2012
8164282 Motive power output apparatus and vehicle with the same Apr. 24, 2012
8164295 Stepping motor controlling device, method, and storage medium Apr. 24, 2012
8154227 Model train control system Apr. 10, 2012
8089228 Computer activated gas cap Jan. 3, 2012
8049443 Line voltage interface for automation systems Nov. 1, 2011
8013550 Model train remote control system having realistic speed and special effects control Sep. 6, 2011
7994741 Vibration device Aug. 9, 2011
7928673 Generic motor control system Apr. 19, 2011
7919941 Semiconductor power converter Apr. 5, 2011
7843153 Control system for controlling an adjusting device operated by electric motor in a motor vehicle Nov. 30, 2010
7834566 Generic motor control system Nov. 16, 2010
7701156 Electric motor drive control system and control method thereof Apr. 20, 2010
7646155 Generic motor control system Jan. 12, 2010
7642736 Device and method for controlling changing operation of on-load tap changer Jan. 5, 2010
7613525 Disk device for serial communication and method of controlling the same Nov. 3, 2009
7550936 Fan motor drive control apparatus Jun. 23, 2009
7378810 Method and apparatus for spindle motor control May. 27, 2008
7330010 Method for operating a rotating electrical machine and apparatus for carrying out the method Feb. 12, 2008
7202624 Self calibrating fan Apr. 10, 2007
7157871 Intermittent drive control apparatus of motor Jan. 2, 2007
7102303 Generic motor control system and method Sep. 5, 2006

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