Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8010223 | Quality control system and quality control information delivery device There is provided a quality control system capable of displaying a display screen regarding quality control of an testing, including a display control part for performing a display control of the display screen regarding the quality control, wherein the display cont... | 08/30/2011 |
| 7933676 | Automation system with integrated safe and standard control functionality An industrial control system includes a machine, a machine controller, and a safety controller. The machine controller is operable to identify a need for a human interaction, place the machine into a ready state for the human interaction, and generate a ready messag... | 04/26/2011 |
| 7908028 | Machining device and method A triaxial tool unit includes three actuators 3, 4, 5 which operate in three-axis directions orthogonal to one another, a tool holder 7 provided at an intersection on axial lines in operating directions of the actuators 3, 4 and 5, and se... | 03/15/2011 |
| 7805214 | Grasp state judging system and method A grasp state judging system capable of satisfactorily judging the grasp state in which an object to be grasped is held by grasping means. The grasp state judging system is characterized in comprising a plurality of RFID tags that are mounted on an object to be gras... | 09/28/2010 |
| 7774089 | Method and apparatus for disabling ports in a motor control system A motor control host includes a plurality of ports, a memory, and a processing device. The memory is operable to store an enable mask defining an enablement state for each of the ports. The processing device is operable to send a first message over those selected po... | 08/10/2010 |
| 7480540 | Method for producing microstructures The invention discloses a device and a method for producing microstructures with a spindle, which is adapted to be driven for rotation about its longitudinal axis and which is provided with a fixture for clamping a workpiece, having an actuator provided with a fast ... | 01/20/2009 |
| 7433754 | Numerical controller A numerical controller configured to enable machining of a conical surface such that vectors at a start point, an end point, and an interpolation point of a circular arc and their extensions never cross one another. Normal direction vectors Vnors and Vnore, tangenti... | 10/07/2008 |
| 7424337 | Method for increasing the control dynamics of a load driven by a driveshaft of direct drive In a method for increasing the control dynamics of a load driven by a direct drive via a driveshaft, a first transducer provides a first output signal indicating a first rotation speed, and a second transducer provides a second output signal indicating a second rota... | 09/09/2008 |
| 7354386 | Thermal displacement correcting device Machine-tool thermal displacement correcting device having: a tool-temperature estimating unit for recognizing—based on identification data obtained from a controller for designating, out of tools stowed in the tool-changer tool magazine, an exchange-target toolâ€... | 04/08/2008 |
| 7346847 | Power tool control system user interface A power tool control system allows a user to operate a power tool through a graphical user interface communicatively coupled with a non-contact measurement and alignment device. The graphical user interface correlates user engageable selectors with a logically relat... | 03/18/2008 |
| 7292001 | Gain adjusting method for servo control device An object of this invention is to provide a gain adjusting method in a servo control device to suppress changes according to a place where a machine is located. This invention provides a gain adjusting method for a servo control device providing speed control... | 11/06/2007 |
| 7283887 | Method for determining a change in direction of rotation of a motor A method for determining a change in direction of rotation of a motor includes the steps of establishing steady state operating parameters of the motor, triggering a command interrupting the rotation of the motor, estimating the speed of the motor after triggering t... | 10/16/2007 |
| 7280899 | S-type smooth command generating method and means thereof An S-type smooth command generating method and the means thereof are provided to process the motion commands smoothly, thereby generating continuous velocity commands and position commands. The provided method not only improves the motor's ability of acceleration/de... | 10/09/2007 |
| 7248940 | Method and device for the robot-controlled cutting of workpieces to be assembled by means of laser radiation In a method for robot-controlled cutting of workpieces to be joined by laser radiation, a first workpiece is arranged in vicinity of a second workpiece in a first position. A laser is focused onto the first workpiece. A contour of the first workpiece is cut with the... | 07/24/2007 |
| 7245981 | Material handling system with saw and wheel drag mechanism A material handling system with a drag mechanism including a wheel for a table saw that controls the orientation and speed of material as it moves through the system. ... | 07/17/2007 |
| 7191031 | Reverse rotation preventing electronic cam curve generating method based on electronic cam type rotary cutter control and control device therefor It is an object of the invention to provide a reverse rotation preventing electronic cam curve generating method of an electronic cam type rotary cutter control which serves to prevent the reverse rotation of a cutter. According to the invention, there is pro... | 03/13/2007 |
| 7187142 | Motor drive with velocity noise filter A drive unit for controlling a motor includes a position feedback device and a velocity noise filter. The position feedback device is operable to generate a position signal relating to a position of the motor. The velocity noise filter is coupled to the position fee... | 03/06/2007 |
| 7180255 | Controlling the release of a brush motor which has applied a load A method for controlling the release of a brush motor which has applied a load includes several steps. One step includes applying a release current to the brush motor to rotate the brush motor in a direction toward releasing the applied load of the brush motor. Anot... | 02/20/2007 |
| 7167761 | Methods and systems for modifying the operation of a compressor via a portable memory device A method and system for modifying the operation a device. The method can include obtaining a first reconfiguration kit. The first reconfiguration kit can include a portable memory device. The method can also include connecting the portable memory device to the devic... | 01/23/2007 |
| 7155303 | Numeric control method and numeric control system A numerical control system comprises a high speed operation buffer 27 for storing all the NC control data (interpolation movement amount or acceleration or deceleration data, etc.) occurring in time series by executing apart program, a time series data parall... | 12/26/2006 |
| 7151978 | System and method for the control of a production machine The disclosure comprises methods for controlling a production machine having a converter controlled drive wherein the applicable converter receives data from its associated drive as well as additional data from the machine and wherein the converter provides actuatio... | 12/19/2006 |
| 7136718 | Numerical control apparatus When a read block includes a code for setting a machine coordinate system used for exchanging a tool or the like, it is determined whether a feed rate specifying modes, set by a parameter, is (a) specification by using parameters, (b) specification by a program, or ... | 11/14/2006 |
| 7117066 | Computer controlled cup forming machine A computer controlled cup forming machine is provided. The computer controlled cup forming machine has a main motor, a main controller, and a plurality of workstations having individual motors electrically connected to the main motor and the main controller. The mai... | 10/03/2006 |
| 7112939 | Mobile system and driving method thereof The present invention relates to a mobile system and a moving method of the mobile system. According to the present invention, a natural period is measured from a vibration component signal generated by a force due to acceleration/deceleration of wheels, and the mob... | 09/26/2006 |
| 7109670 | Motor drive with velocity-second compensation An apparatus for use with a signal generator and a motor controller includes a velocity compensator, an adjustor, and a velocity regulator. The signal generator provides a reference velocity signal, and the motor controller receives an output signal and uses the out... | 09/19/2006 |
| 7103442 | Motor driving apparatus, control method therefor, control program therefor, storage medium readable by computer storing control program and image forming apparatus A CPU for a motor driving apparatus of an image forming apparatus excites a predetermined phase winding among plural phases of a stepping motor for a predetermined time period. Thereafter, before a rotation of the motor is started, it is judged whether there is the ... | 09/05/2006 |
| 7098652 | Analytical circuit for an inductive sensor An analytical circuit for an inductive electromagnetic sensor with external excitation (1) generates an output signal which is transformed to give an output signal (out), by means of transformation to a reference voltage (Vref) in an inverting low-pass filter... | 08/29/2006 |
| 7096076 | Output cam system and method In accordance with a first preferred embodiment, a control method comprises monitoring a position of a motion control axis and controlling an output device responsive to the position of the motion control axis. The controlling step further includes latching a cam el... | 08/22/2006 |
| 7092795 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 08/15/2006 |
| 7076340 | Method of controlling speed of synchronous motor, and method of identifying constant of synchronous motor In sensorless vector control performed through use of a rotation speed of a synchronous motor 6 and the position of a rotor, a positive current is caused to flow to a γ axis on the assumption that a “d” axis serving as a true magnetic axis is out of phase with ... | 07/11/2006 |
| 7072744 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 07/04/2006 |
| 7068002 | Motor control device A motor control device comprises: a current limiter 115 for limiting a current-instruction signal Ir for a motor 18 and for turning a limiting signal L from off to on when the current-instruction signal Ir reaches a predetermined value; a model-positio... | 06/27/2006 |
| 7046050 | High side NFET gate driving circuit A circuit that provides for a high side NFET gate driver that uses a circuit using only common capacitors, diodes, resistors, and transistors to create a high side NFET gate driver. The system is operated so that when there is a high input the NFET will turn off and... | 05/16/2006 |
| 7038429 | Control system for electromechanical arrangements having open-loop instability Control system for electromechanical arrangements having open-loop instability. The system includes a control unit that processes sensing signals and provides control signals to maintain a movable member, such as a rotor or shaft, in the desired position. The contro... | 05/02/2006 |
| 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 |
| 7024255 | Event driven motion systems A motion system comprising a motion enabled device, an event source, a plurality of message transceivers, and a motion services system. The motion enabled device performs motion operations based on motion commands. The event source generates motion messages upon the... | 04/04/2006 |
| 7019579 | Circuit arrangement for rapidly controlling in particular inductive loads A circuit arrangement for rapidly switching in particular inductive loads, comprises a load (11) being connectable to a supply voltage source (31) by means of a switching transistor(41) implemented as an N-channel MOS power transistor and connec... | 03/28/2006 |
| 7013187 | Control procedure using a fuzzy logic model of at least one inverse transfer function of a dynamic system A control procedure is provided for use during a regulation stage and according to a set point of a physical dynamic system, the set point being subject to, whilst operating, the influence of several physical quantities represented by input parameters, and adopting ... | 03/14/2006 |
| 6999840 | Vacuum pump A vacuum pump (10) includes a control device (20) for processing operational data and operational instructions. Further, the vacuum pump (10) includes a touch screen (40) serving as display for displaying the operational data callable fro... | 02/14/2006 |
| 6992454 | Motor controller and method for measuring characteristics of mechanism A detector (20) detects the position of a motor, and a differentiator (26) calculates the speed of the motor from the position of the motor. An command generation section (11) fixes a position command to a current position. A position control se... | 01/31/2006 |
