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Class Information
Number: 318/563
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > With protective or reliability increasing features (e.g., "fail-safe" systems)
Description: System in which the system includes means to protect or guard against system failure.










Sub-classes under this class:

Class Number Class Name Patents
318/564 "redundant" operating channels 113
318/566 Maneuver, force, or load-limiting 98
318/565 Monitoring systems 353


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8692499 Control method for electro-mechanical brake system Apr. 8, 2014
8680808 Motor drive apparatus and electric power steering apparatus using the same Mar. 25, 2014
8669731 Motor drive apparatus and method, and electric power steering system using the same Mar. 11, 2014
8593768 Apparatus and method for disabling the operation of high power devices Nov. 26, 2013
8588975 Robot safety monitor device, and robot safety monitor method Nov. 19, 2013
8575879 Methods, systems and apparatus for controlling a multi-phase inverter Nov. 5, 2013
8558415 Safety device and power converter Oct. 15, 2013
8487578 Position sensing device and method for implementing failsafe control on position sensing system including the same Jul. 16, 2013
8405340 Robot arm and method of controlling the same Mar. 26, 2013
8384331 Servo system and safety control device Feb. 26, 2013
8373376 Drive system and method for activating the same Feb. 12, 2013
8305022 Motor control device and motor system Nov. 6, 2012
8292261 Secured water and/or air dispenser for snowmaking system, equipped with an electric-actuator-driven valve Oct. 23, 2012
8237389 Multi mode safety control module Aug. 7, 2012
8228018 Control system for motor Jul. 24, 2012
8217607 Safety device for power window, opening/closing control method and plate-glass processing method Jul. 10, 2012
8164288 Motor control device and generator control device Apr. 24, 2012
8143829 Adaptive synchronous rectification of brushless DC motor back-EMF Mar. 27, 2012
8138706 Safety drive for a flap or a valve Mar. 20, 2012
8131385 Positioning device and positioning method with non-contact measurement Mar. 6, 2012
8090474 Apparatus for controlling at least one machine Jan. 3, 2012
8054021 Programmable motor drive Nov. 8, 2011
8049455 Electric power converter Nov. 1, 2011
8044628 Controller for motor Oct. 25, 2011
8019460 Numerical controller of machine tool Sep. 13, 2011
8004803 Variable speed drive Aug. 23, 2011
7969107 Motor control device Jun. 28, 2011
7952313 Motor control apparatus May. 31, 2011
7932690 Wall saver Apr. 26, 2011
7928681 Disk apparatus capable of determining failure of spindle motor Apr. 19, 2011
7928674 Motor speed control systems Apr. 19, 2011
RE42200 Fault handling of inverter driven PM motor drives Mar. 8, 2011
7888900 Apparatus and method for robot handling control Feb. 15, 2011
7868576 Drive device, travel device, and drive device control method Jan. 11, 2011
7863848 Industrial robot system Jan. 4, 2011
7852030 Controller for controlling robot body with power-off brake Dec. 14, 2010
7834572 Robust blower motor startup technique Nov. 16, 2010
7813978 Methods and systems for managing and approving legal expenses Oct. 12, 2010
7750590 Display apparatus having turntable display Jul. 6, 2010
7737653 Method of controlling a motorized window treatment Jun. 15, 2010
7664570 Method and apparatus for limiting the movement of a robot, and a robot equipped with said apparatus Feb. 16, 2010
7627440 Inertia and load torque estimating method and apparatus Dec. 1, 2009
7615948 Controller for motor and control method for motor Nov. 10, 2009
7560886 Motor controlling device for mounting on vehicle Jul. 14, 2009
7538453 Fan power supply system May. 26, 2009
7525273 Robot control system Apr. 28, 2009
7463010 Multipoint switch Dec. 9, 2008
7451021 Model-based fault detection and isolation for intermittently active faults with application to motion-based thruster fault detection and isolation for spacecraft Nov. 11, 2008
7446492 Fan system and stopping method for motor thereof Nov. 4, 2008
7433758 Control apparatus of robot Oct. 7, 2008

1 2 3 4 5 6










 
 
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