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| Number | Title | Issue Date |
| 8138706 | Safety drive for a flap or a valve A safety drive unit (1) with a safety circuit (12) that resets a flap or a valve into a specified safety position for controlling a gas or liquid volumetric flow, in particular in the field of heating, ventilation, and monitoring systems. The safety dr... | 03/20/2012 |
| 8054021 | Programmable motor drive A system comprises host logic and a programmable motor drive coupled to the host logic and configured to drive a motor. The programmable motor drive comprises a plurality of H-bridge circuits and the programmable motor drive is programmable to cause any two or more ... | 11/08/2011 |
| 8049455 | Electric power converter Specific anomalies and details of failures as well as measures thereagainst are described that might possibly occur in electric power converters that drive and control permanent-magnet synchronous motors. An electric power converter capable of stable operation has a... | 11/01/2011 |
| 7952313 | Motor control apparatus A motor control apparatus includes: an electric motor having an outer rotor and an inner rotor which can alter mutual relative phases; a phase alternation device which alters the relative phase; a phase position sensor which detects a phase position with respect to ... | 05/31/2011 |
| 7932690 | Wall saver A system and associated method for preventing damage to an adjacent wall surface of an electrically operated bed that utilizes a normally closed/momentarily open switch assembly attached to the bed frame at a location such that when the bed fame is maneuvered toward... | 04/26/2011 |
| 7852030 | Controller for controlling robot body with power-off brake In a controller, a first switch unit establishes electrical connection between a power-off brake and a power source when a servomotor is energized. The electrical connection causes the power-off brake to be released. A second switch unit is provided between the powe... | 12/14/2010 |
| 7433758 | Control apparatus of robot A robot control apparatus capable of largely reducing a calculation amount to be capable of lowering a load of a CPU is provided. A control apparatus of a robot includes: a plurality of shafts interfering with each other; each of the shafts including a motor (8 | 10/07/2008 |
| 7402972 | Device for feeding an actuating drive that can be driven wirelessly An actuating drive (60), that can be fed by a battery (6), for an actuator (5) comprises a drive unit (61) for operating the actuator (5), and a control unit (62), capable of communicating with an external station (70... | 07/22/2008 |
| 7402973 | Power drive unit with unit load device sensor A cargo power drive unit includes a motor and at least one drive roller element coupled to the motor. The power drive unit further includes a light transmitter for emitting light and a light receiver for measuring light. The power drive unit measures an amount of am... | 07/22/2008 |
| 7359166 | Method and control system for controlling electric motors There is described a method for controlling an electric motor comprising an operating relay having relay windings with respective first and second relay contacts and a control means, which motor via current conductors is connected to said relay and a power source wh... | 04/15/2008 |
| 7350435 | Motor, especially a gear motor or a selector motor of a transmission actuating system, and method for detecting the moving direction of a motor The invention relates to a method for determining the moving direction of a motor, especially an electric motor of a transmission actuating system for gear selection and/or shifting, whereby at least one signal of the motor is detected. The inventive method is chara... | 04/01/2008 |
| 7343117 | Electronic apparatus having a plurality of circuit substrates An image forming apparatus including a first circuit substrate, a second circuit substrate, a first supporting member for supporting the first circuit substrate, a second supporting member for supporting the second circuit substrate, a holding member for holding the... | 03/11/2008 |
| 7336456 | Control-motor system An objective is to detect a resolver malfunction without fail, using a low-cost resolver having the small number of the poles, and a control-motor system having advantage in small sizing and high-power outputting. In the control-motor system, the system for driving ... | 02/26/2008 |
| 7327103 | Driver and method for control of voice coil motor in disk drive A driver for a voice coil motor in a disk drive includes a sensor that provides a sense current by sensing a coil current in the voice coil motor, a comparator that provides an error current by determining a difference between a command current and the sense current... | 02/05/2008 |
| 7325437 | Long reach press The present invention is a long reach press comprising a low force actuator for operably urging first tooling into a working position. It further includes an opposed high force actuator for operably urging second tooling into engagement with the first tooling. The l... | 02/05/2008 |
| 7298111 | Method and device for controlling a production unit A method and a device for controlling a production unit in a production installation are specified, controlling referring to the controlling and monitoring of speeds of rotation or angles of rotation of individual drives (20-22) such that the movements... | 11/20/2007 |
| 7291999 | System and method for diagnosing a controller in a limited rotation motor system A method of analyzing a limited rotation motor system is disclosed. The method includes the step of providing a motor control frequency domain signal that is representative of a frequency domain representation of the motor control signal responsive to a first digita... | 11/06/2007 |
| 7279861 | Servo control apparatus In a servo control apparatus constituted by a converter unit 3 for rectifying an AC power supply voltage to produce a DC power supply voltage, and a plurality of inverter units 5 for producing drive power supply voltages of motors from the DC power sup... | 10/09/2007 |
| 7279862 | Fault handling of inverter driven PM motor drives An apparatus includes a multi-phase inverter, a fault detector to indicate a detection of a fault, a sensor to provide a speed signal indicative of whether a speed of a PM motor is greater than a transition speed, and a controller. The controller is operable to appl... | 10/09/2007 |
| 7277967 | Method and apparatus for suspending or adjusting billing charge for usage of electrically powered devices if abnormal or halt condition detected An apparatus for selecting, monitoring, and controlling electrically powered devices is disclosed. In one embodiment, the apparatus includes an electrically powered device having a key operating line and switching control circuitry to control usage of the electrical... | 10/02/2007 |
| 7269488 | Method for controlling a component of a distributed safety-relevant system A method of triggering a component in a distributed safety-related system, i.e., a component of an X-by-wire system in a motor vehicle, is described. The component is triggered by a process computer assigned to the component and connected to a communication system v... | 09/11/2007 |
| 7265931 | Apparatus to reject disk drive disturbance Track mis-registration (TMR) correction is conditionally made in a hard disk drive using servo data in a closed loop servo control scheme, along with one or more alternative sensing schemes when an external shock or vibration occurs. The alternative sensing schemes ... | 09/04/2007 |
| 7262574 | Robot overcurrent prevention system In an overcurrent prevention system for a robot having links connected by joints and an electrical system including electric motors installed at the joint, a power circuit connecting the electric motors to a power source, and drive circuits to supply current to the ... | 08/28/2007 |
| 7253982 | Dynamic shock detection in disk drive using hair trigger timer Dynamically detecting off-track errors in a disk drive by adjusting transducer head position control parameters in response to shock events. In an embodiment, shock events with large magnitude trigger a severe shock timer which lengthens the write fault before write... | 08/07/2007 |
| 7253577 | Independent safety processor for disabling the operation of high power devices A drive for delivering a high-power signal to a load includes a power circuit and a drive circuit. The power circuit is operable to provide a high power signal to the load in response to a control signal. The control circuit is operable to generate the control signa... | 08/07/2007 |
| 7251606 | Robot device with changing dialogue and control method therefor and storage medium Sentences corresponding to internal statuses of a robot device or the like are created and uttered, thereby expressing the internal statuses. The robot device or the like comprise means for recognizing an external status, and means for generating an emotion based on... | 07/31/2007 |
| 7248932 | Electronic control unit A main CPU transmits data used in determination of whether or not a target throttle opening degree calculation logic and an estimated target throttle opening degree calculation logic are normal (a target degree and an estimated target degree of throttle opening, and... | 07/24/2007 |
| 7248152 | Automatic on/off switch for vehicle power outlets A vehicle power outlet switch (10) can include a threshold detector (14) for comparing a predetermined threshold with a vehicle battery characteristic and a power switch (18) controlled by the output of the threshold detector. Note, the vehicle ... | 07/24/2007 |
| 7221119 | Robot system In a case in which an operation is alternately carried out by apparatus-1 and the apparatus-2 in cooperation with a robot, an operator carries out operation within an operation range of each of the apparatuses during the interruption of power supply to... | 05/22/2007 |
| 7208899 | Emergency-stop device An emergency-stop device provided in a robot system, a machine tool or the like, arranged to promptly detect failure of a circuit through which an emergency stop signal is supplied to an CPU, without stopping the robot system, the machine tool or the like, to improv... | 04/24/2007 |
| 7190138 | Failure monitor for motor drive control system A failure monitor designed to monitor a failure in operation of a motor drive control system. The system works to drive a motor-driven member through an output shaft and an electric motor and includes an output shaft angular position sensor for determining an angula... | 03/13/2007 |
| 7173390 | Method of detecting a malfunction during a displacement of an element by means of a drive system, and device suitable for carrying out such a method A method and a device are provided for detecting the occurrence of a malfunction upon movement of an element by a driving system. While the element is being moved, a difference between a predetermined value and an actual value is determined at regular intervals by m... | 02/06/2007 |
| 7170251 | System and method for diagnosing a controller in a limited rotation motor system A diagnostic system is disclosed for analyzing a limited rotation motor system. The diagnostic system includes a first transform unit, a second transform unit, a closed loop frequency response unit, and a diagnostic system. The first transform unit is for receiving ... | 01/30/2007 |
| 7166981 | Actuator, motor unit and controller unit An actuator, which allows a controller to be commonly applied to a plurality of models without requiring complicated setting operation of control parameters, and is superior in cost effectiveness, reusability and expandability, is provided. And further, a motor unit... | 01/23/2007 |
| 7152456 | Automated robotic measuring system An automated coordinate measuring system comprising a measuring arm used for acquisition of geometry data that incorporates an exoskeletal structure resilient to physical perturbations including thermal changes and vibrations which may affect coordinate data acquisi... | 12/26/2006 |
| 7154690 | Dynamic shock detection in disk drive using accumulated average position error Dynamically detecting off-track errors in a disk drive by adjusting transducer head position control parameters in response to shock events. In an embodiment, shock events with large magnitude trigger a severe shock timer which lengthens the write fault before write... | 12/26/2006 |
| 7154197 | Control apparatus and control method for the same A control apparatus is provided which is selectively placed in an allowed state in which the apparatus is allowed to be operated and an inhibited state in which the apparatus is inhibited from being operated. The control apparatus includes a first three-position swi... | 12/26/2006 |
| 7151353 | Switching device A method for evaluating a condition of a switching device. The switching device includes contact parts, an electric motor and a mechanical coupling device for transforming motion from the electric motor to at least one of the contact parts. A self-diagnostic test is... | 12/19/2006 |
| 7148652 | Method and apparatus for determining and handling brake failures in open loop variable frequency drive motors A controller for a variable frequency drive monitors electrical power from a variable frequency drive motor while a brake is maintaining a load driven or moved by the motor without requiring additional feedback components of a closed loop configuration. If excess el... | 12/12/2006 |
| 7142930 | Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system A disturbance estimated-type control system has a control object based on a mathematical model having of one of a state equation and a transfer function and prepared by system identification technology. A disturbance estimating device is based on an expansion system... | 11/28/2006 |
