Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8115427 | Methods, systems, and devices for a motor control system Systems, devices, and methods for controlling a motor are disclosed. A method may include determining a rotational direction of a motor from a pair of quadrature signals sent to a microprocessor. The method further includes adjusting an internal count stored in the ... | 02/14/2012 |
| 7893645 | System and method for compartment control A system and method for controlling at least one movable stowage compartment is provided. The method includes sensing an input indicative of a desired movement of the stowage compartment and determining a position of the compartment. The method also includes initiat... | 02/22/2011 |
| 7880420 | Control system and method of massage machine A control system and method of massage machine for acting massage therapy on human body includes a common drive motor for driving multiple massage heads, multiple routine keys for setting motor routines and the rotation direction of the drive motor via a multiple se... | 02/01/2011 |
| 7847502 | Device and method for controlling machine tool A device for controlling a feed motion of a feed control axis and a rotary motion of a rotary control axis, both axes being provided in a machine tool so that the rotary control axis is fed along the feed control axis. The device includes an interference estimating ... | 12/07/2010 |
| 7834569 | Type of stepper motor driver integrated circuit This invention discloses a type of stepper motor driver integrated circuit, comprising of a control logic circuit module and a connected stepper motor driver circuit module. The outputs, in groups of two, of the stepper motor driver circuit module are connected to t... | 11/16/2010 |
| 7759893 | Motor control apparatus and motor control method The motor control apparatus includes a memory that stores a correction data group for suppressing a fluctuation of an output of a motor, and a calculating unit that generates, by using a correction value calculated on the basis of a first output command value input ... | 07/20/2010 |
| 7667423 | Control systems and methods for permanent magnet rotating machines Systems and methods for controlling a rotating electromagnetic machine. The rotating machine, such as a permanent magnet motor or hybrid switched reluctance motor, includes a stator having a plurality of phase windings and a rotor that rotates relative to the stator... | 02/23/2010 |
| 7579803 | Robot confinement A method of confining a robot in a work space includes providing a portable barrier signal transmitting device including a primary emitter emitting a confinement beam primarily along an axis defining a directed barrier. A mobile robot including a detector, a drive m... | 08/25/2009 |
| 7576509 | Drive control method, drive control device, belt apparatus, image forming apparatus, image reading apparatus, computer product Driving of a pulse motor is controlled in such a manner that a rotating body driven by the pulse motor rotates at a uniform angular velocity. Angular displacement of the rotating body is detected, a difference between a detection value of the angular displacement an... | 08/18/2009 |
| 7564208 | Electronically controlled electric motor A system for controlling an electric motor comprises, in one embodiment, an encoder; a central processor in communication with said encoder; a module processor in communication with said central processor; feedback circuitry in communication with said module process... | 07/21/2009 |
| 7518329 | Method and device for cutting freeform surfaces by milling A method and a device for cutting freeform surfaces is disclosed. In 5-axis cutting, a workpiece is milled by a tool, i.e., a milling cutter, in such a way that a desired freeform surface is obtained. The tool is moved for cutting along at least one tool path, i.e.,... | 04/14/2009 |
| 7436140 | Image display device and stand for image display device A self-supporting stand for a thin display device is to be controlled so that the display device faces in a preset screen direction in a one-touch manner. A function of constantly recognizing the screen direction of the display device and detecting its own direction... | 10/14/2008 |
| 7429845 | System and method for controlling a stage assembly A stage assembly (220) that moves a work piece (200) a movement step (257) includes a first stage (238), a first mover assembly (242), a second stage (240), and a second mover assembly (244). The first mover assembly ... | 09/30/2008 |
| 7427846 | Method of optimizing servo controller power in two-dimensional flexure mems storage devices A method of optimizing a servo controller power required in the operation of two-dimensional flexure (Microelectronic Memory Storage) MEMS devices. Furthermore, provided is an arrangement for optimizing servo controller power in a two-dimensional flexure MEMS storag... | 09/23/2008 |
| 7423404 | Sample-loading system and anti-collision device and anti-collision method thereof Some embodiments of the present invention provide an anti-collision device used for a sample-loading system. This device may include a code plate, an optical coupler, a location signal-detecting unit, a drive pulse counting unit and a drive pulse-sending unit. The o... | 09/09/2008 |
| 7417393 | Load driver capable of suppressing overcurrent A control device determines whether a motor generator is controlled in a PWM control mode, an overmodulation control mode or a rectangular-wave control mode. If a command to perform a boosting operation by a voltage step-up converter is issued while the motor genera... | 08/26/2008 |
| 7414378 | High precision positioning powered turntable and control method thereof The invention relates to the field of material handling or logistic equipment in particular, relates to turntables, which can be used especially for automation of production line, assembly assistance, linefeeading and synchronous manufacturing. A high precision posi... | 08/19/2008 |
| 7402974 | Device for detecting lift of autonomous mobile robot Disclosed herein is a device for detecting lift of an autonomous mobile robot. The device comprises at least one detection unit to detect lift of the main body of the robot during driving of the robot and to generate and output the lift detection signal, and a contr... | 07/22/2008 |
| 7397212 | DC motor phase estimation with phase-locked loop A DC motor phase estimation algorithm that estimates a speed-related harmonic frequency of a DC motor current under dynamic load conditions having known geometry parameters. The algorithm estimates the phase and magnitude of a complex coefficient in a complex single... | 07/08/2008 |
| 7391177 | Master-slave manipulator system and this operation input devices In a master-slave manipulator system capable of presenting an obstacle and a limit to an operating range as a force feed-back with no use of a motor in an operation input device and having high reliability, a small size and good operability, the system comprises a m... | 06/24/2008 |
| 7378811 | Device for absorbing floor-landing shock for legged mobile robot A landing shock absorbing device 18 disposed in a foot mechanism 6 of a leg of a robot, wherein an inflatable bag-like member 19 (variable capacity element) is provided at a bottom face side of the foot mechanism 6. The bag-like member | 05/27/2008 |
| 7375485 | Control systems and methods for starting permanent magnet rotating machines Systems and methods for controlling a rotating electromagnetic machine. The rotating machine, such as a permanent magnet motor or hybrid switched reluctance motor, includes a stator having a plurality of phase windings and a rotor that rotates relative to the stator... | 05/20/2008 |
| 7372230 | Off-axis rotary joint An off-axis rotary joint (20) for selectively enabling communication of a signal (i.e., electrical and/or optical) between a housing (21) mounted for rotation about an axis (y-y) relative to a hollow shaft assembly (22) at all permissible relati... | 05/13/2008 |
| 7365510 | Motor spindle control system and method In a method for measuring motor speed and position by detecting the back EMF generated during pole-pair interactions, a separate respective duration of a power phase suppression signal, that is set during back EMF detection, is stored in memory for each respective p... | 04/29/2008 |
| 7353959 | Variable-speed load-dependent drive and hoist system In an embodiment, a crane including a hoisting (i.e., load-lifting) mechanism is provided with a variable-speed load-dependent control system and method for operating functions of the crane. An exemplary control system includes an actuator subsystem for performing a... | 04/08/2008 |
| 7347656 | Vacuum processing apparatus and semiconductor manufacturing line using the same A vacuum processing apparatus is composed of a cassette block and a vacuum processing block. The cassette block has a cassette table for mounting a plurality of cassettes containing a sample and an atmospheric transfer means. The vacuum processing block has a plural... | 03/25/2008 |
| 7348748 | Motorized system and method of control A system and method for generating a controlled motion path with a machine-tool system having a controller operating in a servo rate. The method includes a first interpolation step, in which a path segment corresponding to a number of servo update periods is calcula... | 03/25/2008 |
| 7348742 | Lighting fixture with synchronizable optical filter wheel and related method A method of making an optical filter wheel of a device synchronizable with an internal, rotatable virtual reference wheel, created in a memory of a motor controller of the device, is disclosed. The method includes a single trigger event that initializes rotation of ... | 03/25/2008 |
| 7339574 | Haptic mouse interface system for providing force and tactile feedbacks to user's fingers and arm A haptic mouse interface system includes a mouse, a first force feedback unit for providing a first force feedback in a first direction of a virtual object to the user's hand and arm, a second force feedback unit for providing a second force feedback in second and t... | 03/04/2008 |
| 7339341 | Surgical camera robot The present invention is a miniature camera robot which can be placed entirely within an open space such as an abdominal cavity. The instant camera robot has pan and tilt capabilities, an adjustable focus camera, and a support component for supporting the robot body... | 03/04/2008 |
| 7339342 | Stepper motor controlling apparatus and pen recorder A stepper motor controlling apparatus has a driver which drives a stepper motor in response to an input pulse signal, a PWM controlling section which changes a duty ratio of the pulse signal fed to the driver to control a rotation of the stepper motor, a pulse encod... | 03/04/2008 |
| 7336045 | Speed regulator for a brushless dc motor Speed regulator for a brushless DC motor, wherein the DC motor comprises a stator, a rotor and an electromagnet wherein the electromagnet is in the vicinity of the stator, the rotor produces a permanent magnetic field and the electromagnet is activated to generate a... | 02/26/2008 |
| 7334304 | Machine tool In order to improve a machine tool for machining a workpiece by a relative movement between the workpiece and a tool, comprising a first receiving device for the workpiece or the tool, a compound slide system with a second receiving device for the tool or the workpi... | 02/26/2008 |
| 7321214 | Motor control system A controller is operable in one of a plurality of operational modes, which include an estimated temperature computation performing mode for performing computing of an estimated temperature of the motor and an estimated temperature computation non-performing mode for... | 01/22/2008 |
| 7321213 | Motor controller A motor controller is provided with: an estimated temperature calculating means that calculates an estimated temperature of a motor; and a control unit that can perform a driving control of the motor only when the estimated temperature is not larger than a predeterm... | 01/22/2008 |
| 7319466 | Method and apparatus for generating and interfacing with a haptic virtual reality environment A method for generating a haptic interactive representation including the steps of defining a haptic interaction space and building a hierarchical construct, for use within the haptic interaction space, using a plurality of underlying constructs. In one embodiment t... | 01/15/2008 |
| 7316382 | Controlling electromotive actuators The invention relates to an electromotive actuator and a corresponding circuit in order to replace a pneumatical actuator system in a simple manner by an electric system. ... | 01/08/2008 |
| 7315766 | Component mounting apparatus and component mounting method In component mounting for executing a component feed operation and component holding and pickup operation, a recipe for the component holding and pickup operation that is an operational program for executing the component holding and pickup operation is received in ... | 01/01/2008 |
| 7313461 | Data connectivity with a robotic device A method for data connectivity in a room with a robotic device. In the method, at least one condition is detected with a plurality of sensors and the detected at least one condition is communicated from the sensors to associated access points. One or more of the acc... | 12/25/2007 |
| 7292910 | Method and device for machining a workpiece A method for machining workpieces by means of a multiaxial manipulator, such as an industrial robot, with a tool moved proportionally by a control unit of the manipulator and which can perform characteristic movements with several degrees of freedom is characterized... | 11/06/2007 |
