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Class Information
Number: 318/270
Name: Electricity: motive power systems > Plural diverse motor controls > Running-speed control > With braking > And acceleration control
Description: Subject matter in which means are provided for also controlling the acceleration of the motor.










Patents under this class:

Patent Number Title Of Patent Date Issued
8436713 Door drive May. 7, 2013
8193746 Automotive electric motor speed control system Jun. 5, 2012
7977910 Method of starting a synchronous motor with a brushless DC exciter Jul. 12, 2011
7619379 Motor control device and setting method thereof Nov. 17, 2009
7579796 Controller for a multi-phase brushless DC motor Aug. 25, 2009
7449850 Device and method for controlling motor Nov. 11, 2008
7425810 Disk drive management Sep. 16, 2008
7400103 Controller for a multi-phase brushless DC motor Jul. 15, 2008
7233125 System and method for controlling an induction motor Jun. 19, 2007
7102309 Apparatus for compensating for speed error of motor Sep. 5, 2006
7078871 Method for determining the effective resistance of a DC motor and open loop voltage mode controlling of a DC motor Jul. 18, 2006
7061194 Method and apparatus for controlling constant linear velocity of spindle motor using mirror signal Jun. 13, 2006
6885160 Drive control Apr. 26, 2005
6836087 Multiphase motor voltage control for phase windings of different wire gauges and winding turns Dec. 28, 2004
6822411 Method and apparatus for controlling motors Nov. 23, 2004
6798989 Motor control apparatus, lens apparatus, camera system and camera Sep. 28, 2004
6538412 Method for controlling a power drive system Mar. 25, 2003
6347681 Electrically integrated scooter with dual suspension and stowage mechanism Feb. 19, 2002
6216080 Wheel module for a vehicle with an electrically controlled braking system (EBS) Apr. 10, 2001
6150780 AC motorized wheel control system Nov. 21, 2000
6118240 Method and apparatus for selecting acceleration or deceleration of a substrate Sep. 12, 2000
5942870 Process and apparatus for positioning an object Aug. 24, 1999
5932979 PWM speed-control apparatus for elevators Aug. 3, 1999
5854544 Velocity control with limited jolting Dec. 29, 1998
5847277 Method of rotating a rotary member in a balancing machine into balancing positions in first and second balancing planes Dec. 8, 1998
5834913 Method and apparatus for controlling motor rotation, and a disk signal regenerating apparatus using the motor Nov. 10, 1998
5703455 Control device for a stepping motor included in an electronic apparatus Dec. 30, 1997
5510683 Motor speed control device Apr. 23, 1996
5485065 Position commanding method and apparatus Jan. 16, 1996
5367239 Printer carrier driving method Nov. 22, 1994
5045763 Motor-control device for image forming apparatus Sep. 3, 1991
5038084 Drill motor control Aug. 6, 1991
4980621 Control arrangement for controlling the power supplied to an electric motor Dec. 25, 1990
4731657 Control apparatus Mar. 15, 1988
4626750 Solid state d.c. motor control Dec. 2, 1986
4507592 Microprocessor controlled tape capstan Mar. 26, 1985
4494056 Motor driving circuit Jan. 15, 1985
4493398 Drive control for a transportation system, especially an elevator Jan. 15, 1985
4477750 Multi-level disk drive motor speed control Oct. 16, 1984
4458185 Propulsion control apparatus for passenger vehicles Jul. 3, 1984
4377778 Sewing machine speed control system having quick response characteristic Mar. 22, 1983
4295167 Carriage speed control for a raster scanner Oct. 13, 1981
4284937 Load current detecting apparatus of direct current motors Aug. 18, 1981
4232257 Web transport capstan control system Nov. 4, 1980
4160197 Circuit arrangement for record players performing the setting back of the disc into a pre-determined start position Jul. 3, 1979
4139810 Device for stopping passenger conveyor Feb. 13, 1979
4125797 Drive mechanism with an electric motor for trackless vehicles Nov. 14, 1978
4085356 Speed control system for model railroads Apr. 18, 1978
3979651 Direct current and synchronous motor system Sep. 7, 1976











 
 
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