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Class Information
Number: 318/280
Name: Electricity: motive power systems > Motor-reversing
Description: Subject matter in which means are provided for causing an electric motor to operate in one direction at one time and in the opposite direction at another time, or for causing an electric motor to operate in a direction opposite to that in which it has previously been operating.










Sub-classes under this class:

Class Number Class Name Patents
318/287 Armature or primary circuit control 43
318/283 Automatic and/or with time-delay means 223
318/296 Field circuit control 6
318/281 Periodic- or intermittent-reversing 84


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8710773 Vehicle window opening and closing control device Apr. 29, 2014
8686676 Trash can with power operated lid Apr. 1, 2014
RE44816 Barrier movement operator including time to close feature Mar. 25, 2014
8674639 Accuracy of rotor position detection relating to the control of brushless DC motors Mar. 18, 2014
8669726 Control circuit for a window lifter drive Mar. 11, 2014
8669725 Fan control system capable of modulating a rotational speed of a fan and method thereof Mar. 11, 2014
8659246 High efficiency roller shade Feb. 25, 2014
8624536 System and method for detecting a high current condition in a motor Jan. 7, 2014
8604736 Method for analyzing the operation of an electromechanical actuator for the motorized maneuvering of a screen and actuator for its implementation Dec. 10, 2013
8598831 Damper system for vehicle Dec. 3, 2013
8541969 Method and device for pulse width modulated activation of an electrical drive motor of an adjustment arrangement Sep. 24, 2013
8519647 Direct current motor Aug. 27, 2013
8520394 Control device Aug. 27, 2013
8508169 Method of automatically controlling a motorized window treatment while minimizing occupant distractions Aug. 13, 2013
8502484 Power stage for driving an electric machine Aug. 6, 2013
8480376 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly Jul. 9, 2013
8471503 Vehicle door power assist Jun. 25, 2013
8461784 Programmable motor for window coverings Jun. 11, 2013
8456121 Motor control device and seat control device for vehicle Jun. 4, 2013
8432117 Automated shade control system Apr. 30, 2013
8432116 Torque motor driving device for wire cut electrical discharge machines Apr. 30, 2013
8421383 Rotation control circuit of fan Apr. 16, 2013
8421387 Method and device for controlling a motor Apr. 16, 2013
8416056 Entrance barrier Apr. 9, 2013
8405336 Wiper system and wiper control method Mar. 26, 2013
8384319 Systems and methods for controlling an inertia of a synchronous condenser Feb. 26, 2013
8384329 Wiper system and wiper control method Feb. 26, 2013
8368335 Optical shade controller system for controlling a roller shade using a variable linear velocity Feb. 5, 2013
8364319 Smart wall box Jan. 29, 2013
8350513 Method for controlling a roller shade using a variable linear velocity Jan. 8, 2013
8299734 High efficiency roller shade Oct. 30, 2012
8294393 Blower motor for HVAC systems Oct. 23, 2012
8278857 Motor control device and controller thereof Oct. 2, 2012
8253354 Method and apparatus for transferring signal data Aug. 28, 2012
8228011 Bi-direction driver IC and method for bi-directionally driving an object Jul. 24, 2012
8217612 Collision monitoring system Jul. 10, 2012
8217613 System and method for driving a drawer of a refrigerator and refrigerator employing same Jul. 10, 2012
8198849 Method and device for protection against jamming in a motor-driven locking system Jun. 12, 2012
8193742 Programmable motor for window coverings Jun. 5, 2012
8183811 Platform screen door May. 22, 2012
8179061 Battery system May. 15, 2012
8179062 Method of operation for an electromechanical actuator for an awning with arms May. 15, 2012
8143829 Adaptive synchronous rectification of brushless DC motor back-EMF Mar. 27, 2012
8143823 Bidirectional different speed ratio electric motor driving device with bidirectional input Mar. 27, 2012
8143822 Bidirectional unequal speed electric motor driven bidirectional output system Mar. 27, 2012
8143821 Bidirectional unequal speed electric motor driven constant directional output system Mar. 27, 2012
8143820 Motor control device Mar. 27, 2012
8134312 Motor control circuit and power window device Mar. 13, 2012
8120292 Automated shade control reflectance module Feb. 21, 2012
8111490 Method and device for protection of a switching device controlled by a control unit Feb. 7, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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