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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7969111 | Numerical controller for controlling a five-axis machining apparatus A numerical controller capable of moving a tool end point position to an accurate position in a five-axis machining apparatus. Compensation amounts are set, which correspond to respective ones of a linear axis-dependent translational error, a rotary axis-dependent t... | 06/28/2011 |
| 7852031 | Machine tool having function of correcting mounting error through contact detection A machine tool capable of automatically correcting an orientation of a workpiece or machining attachment based on detection results from position detectors that the machine tool inherently has. The machine tool comprises: position detectors; position deviation deter... | 12/14/2010 |
| 7425811 | Numerical controller When a servomotor (control axis) is coasting and rotating in a servo-off state in which no current is applied to the servomotor, this servo-off state is switched over to a servo-on state in which current is applied to the servomotor, and a position control and a spe... | 09/16/2008 |
| 7359764 | On-line/off-line scoring bridge A scoring bridge includes a plurality of moveable mounted carriages. The carriages each have a rotor, and the bridge has a linear stator to move the carriages. The position of a carriage designated as a reference carriage is recorded as it moves past a motion detect... | 04/15/2008 |
| 7301297 | Synchronous control device An ‘interval’ in which the synchronization status between the movable axes subject to synchronous control is monitored, an equation between the movable axes in the ‘interval’, and an ‘allowable displacement’ for the positional relationship obtained with ... | 11/27/2007 |
| RE39907 | Tolerance based motion control system The present invention involves a tolerance based motion controller. The controller is capable of processing a group of tolerance constraints. The tolerance constraints specify where and when each tolerance constraint is to be applied, along with the information spec... | 11/06/2007 |
| 7253578 | Pivoting apparatus of industrial robot There is provided a pivoting apparatus of an industrial robot including: a brake 40 that is fixed to a motor shaft 30s of a motor 30 to halt the motor 30; an encoder 50 that is fixed to the motor shaft 30s to d... | 08/07/2007 |
| 7230402 | Swing device of industrial robot There is provided a pivoting apparatus of an industrial robot including: a brake 40 that is fixed to a motor shaft 30s of a motor 30 to halt the motor 30; an encoder 50 that is fixed to the motor shaft 30s to d... | 06/12/2007 |
| 7138785 | Power tool with means for obtaining product use information A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storin... | 11/21/2006 |
| 7130718 | Pathcorrection for an industrial robot A method for an industrial robot to increase accuracy in movements of the robot. A first path is formed by bringing a tool supported by the robot to adopt a plurality of generated positions. A plurality of observed positions of the tool moving along the first path a... | 10/31/2006 |
| 7030586 | Method for co-ordinating and synchronizing the movement of servo-assisted axes The invention regards a method for co-ordinating and synchronizing the movement of servo-assisted axes in machines and apparatuses which execute various industrial applications. The method in object is applied in the programming of electronic control systems using s... | 04/18/2006 |
| 7012395 | Method for continuous-path control In a method for continuous-path control in at least two linear axes and at least one angle axis, the movement of a tool relative to a workpiece is predefined by a parts program for a numerical control. The velocity control in the numerical control is performed separ... | 03/14/2006 |
| 6967457 | Monitoring device In order to produce a monitoring device for checking for a predefined position of a body or checking for the presence of a body, comprising a pivotal check element, a motor for driving the checking element and a housing for accommodating the motor, which will be uni... | 11/22/2005 |
| 6781339 | Method of controlling an electronic cam type rotary cutter, and method of producing an electronic cam curve A method of controlling an electronic cam type rotary cutter or sealer driven by a servo motor. The method comprises preparing a correct position pattern for a whole region including cutting or sealing and non-cutting or non-sealing zones. An electronic cam curve of... | 08/24/2004 |
| 6757583 | Interpolated motion control over a serial network The invention provides a system for controlling motion in machine tools, industrial robots, and motion stages over a computer serial port. From a process or listing of coordinate data points which define the path of two (or more) servo axes, a computer outputs seria... | 06/29/2004 |
| 6744233 | Servo controller and method An ideal position is calculated based on an ideal servo system model, the difference between the calculated ideal position and the actual position feedback is multiplied by a predetermined gain only for a predetermined time from the direction reversing time of the i... | 06/01/2004 |
| 6684128 | Robot and method of controlling the robot A robot capable of being operated at a high-speed by the full use of a power of a servo-motor, including a motor and a speed reducer, wherein the motor drives the robot through the speed reducer, and the speed reducer is a variable speed reducer capable o... | 01/27/2004 |
| 6677722 | Servo control method The servo control method operates a set value of a first-order lag time constant of a feedback compensation by both a detected mechanical position value and a transfer function corresponding to a change of an angular velocity about each axis under a multi... | 01/13/2004 |
| 6665580 | Automatic cutting tool management system for a computer numeric controlled machining system A method and apparatus for monitoring the useful life of machine tools. A controller continuously monitors the amount of time a particular tool has been used as well as the materials the tool has been used to machine. A useful lifetime of the tool is esti... | 12/16/2003 |
| 6611122 | Method of control and control structure for the movement control, pre-control and fine interpolation of objects in a speed controller clock which is faster than the position controller clock The invention makes it possible to execute the pre-control and the fine interpolation in the drive (A) in the fast drive clock (tDR) with a slower path pre-setting in the clock (tNC) of the NC. For this purpose, in each NC clock (tNC) a setpoint speed val... | 08/26/2003 |
| 6608461 | Apparatus for remotely controlling geared heads for motion picture and electronic medium cameras and methods for using same A two-axis or three-axis digitally controlled microprocessor for remotely controlling an existing manually operated geared head uses digital technology to provide full precise control of the geared head from a remote distance. Additionally, by utilizing t... | 08/19/2003 |
| 6456901 | Hybrid robot motion task level control system A hybrid control system is provided for controlling the movement of a robot. The hybrid control system includes a singularity detector; a task level controller that receives a motion plan and determines a first set of control commands which are defined in... | 09/24/2002 |
| 6429617 | Drive-controlling method and apparatus and robot having the apparatus Provided is a drive-controlling method and apparatus and a robot having the apparatus for precisely detecting a collision of a arm being driven by a robot with obstacles, and for keeping damages of the arm from the collision minimum: storing a route of th... | 08/06/2002 |
| 6400114 | Numerical control apparatus for roll grinding machine A numerical control apparatus for the numerical control of a roll grinding machine comprises a flaw detecting means for scanning the entire surface of a roll (11), provided with an ultrasonic detecting head (23) for detecting flaws formed in the surface o... | 06/04/2002 |
| 6339203 | Spindle system for diesink type electric discharge machine The main spindle (1A) for the main spindle device of a diesinker electric discharge machine is connected to a high rotor inertia, high output servo motor (15) without passing through a speed reducer; the servo motor (15) is equipped with a high resolution... | 01/15/2002 |
| 6310457 | Servomotor controller When contents of a program for machining to be executed by a servomotor indicate a cutting mode, a current command is generated by performing speed loop processing by using a speed loop gain for cutting mode, and moreover, a voltage command to a servo amp... | 10/30/2001 |
| 6281653 | Method of detecting after-running of electrical servomotors provided with means for incremental position detection The method for detecting after-running of electrical servomotors with incremental position detection, particularly for servomotors in motor vehicles, includes detecting position signals of position indicators and storing the detected states of the positio... | 08/28/2001 |
| 6252366 | Device for digitally slaving the position of a moving part Device for digitally slaving the position of a moving part, including: a digital sensor (20) which is intended to measure the actual position of the moving part (10) and delivers a digital effective position value, drive means comprising an electric motor... | 06/26/2001 |
| 6242880 | Tolerance based motion control system The present invetion involves a tolerance based motion controller. The controller is capable of processing a group of tolerance constraints. The tolerance constraints specify where and when each tolerance constraint is to be applied, along with the inform... | 06/05/2001 |
| 6215267 | Numeric controller of rotating mechanism Numeric controller (3) for controlling a rotating mechanism (1) having a rotor rotated by a linearly moving driving source has a rotating position command means (311) for transmitting angular position commanding value (θ), a radius setting means (312) fo... | 04/10/2001 |
| 6130516 | Process and device for monitoring objects Described are a process and a device for monitoring objects, such as tools or process areas. A feeler pin (34) can be pivoted by means of an electric motor (20) in both directions of rotation, starting from a zero position, so that two objects or process ... | 10/10/2000 |
| 6111382 | Device for controlling tapping device provided with composite tool having boring and tapping sections A control device which controls a tapping device provided with a feed motor for feeding a spindle in an axial direction thereof and a spindle motor for rotating the spindle about its axis. The spindle installs a composite tool having a boring section for ... | 08/29/2000 |
| 6022132 | Method and apparatus for programming a CNC machine with a probe A method and apparatus for programming the motion of a machine tool in a three-dimensional machining space defined by an X, Y and Z coordinate system, the machine tool having a spindle linearly displaceable in three orthogonal X, Y and Z axes. A probe, mo... | 02/08/2000 |
| 5936366 | Servo adjustment method and apparatus thereof The variation of deviations of actual positions of a moving body from corresponding command positions is quantitatively evaluated as a servo control error, whether a feedback control system is oscillating is decided on the basis of the servo control error... | 08/10/1999 |
| 5923138 | Manually-operated handwheel interpolation-generating device A manually-operated handwheel interpolation generating device mainly makes use of a set-up of pulse adjuster to be used by the operators to perform smoothing dressing for the handwheel's pulse command when they are using handwheel to perform post-stage pr... | 07/13/1999 |
| 5907229 | Method and device for calibration of movement axes of an industrial robot A method for calibration of an industrial robot is provided. A calibration device comprising devices for emitting a calibration beam within the working range of the robot, and an interruption detector which detects an interruption in the calibration beam ... | 05/25/1999 |
| 5788435 | Automated diamond cutter apparatus First and second motors are provided for moving a workpiece support in an up and down direction and and for rotation about an axis. Third, fourth and fifth motors are provided for moving a rotating cutter in a lateral direction, for rotating the cutter ab... | 08/04/1998 |
| 5661654 | Method of correcting error in mounting workpiece and apparatus therefor A method of correcting an error in mounting a workpiece includes a step of determining a position and a direction of a tool on a coordinate system of the workpiece on the basis of command numerical values, a step of correcting an error in a preset quantit... | 08/26/1997 |
| 5654618 | Process for the two-dimensional determination of a work-area contour for lathes The invention pertains to a process for the two-dimensional determination of a work-area contour for collision monitoring of numerically controlled lathes. Disclosed is a process for the two-dimensional determination of a work-area contour wherein the wor... | 08/05/1997 |
| 5610491 | Electrical drive system for the positioning of rotating equipment An electrical drive system for angular positioning of one or several rotating and/or tilting machine components and equipment components, particularly of printing machines, including at least one electric motor having a rotor designed for rigid and direct... | 03/11/1997 |
