Celebrity Inventors
Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.
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| Number | Title | Issue Date |
| 8072175 | Semiconductor device for controlling rotation of motor A semiconductor device included in a motor driving apparatus for driving a motor is disclosed. The semiconductor device configured to control rotation of the motor by changing the gain of a control loop of the motor driving apparatus. The semiconductor apparatus inc... | 12/06/2011 |
| 7944167 | Method and apparatus for improving the position accuracy of a servo motor A method of operating a motor controlled by a closed loop servo control system is provided. The closed loop servo control system employs a digital filter, such as a PID filter, that employs one or more gain coefficients. The method includes temporarily increasing on... | 05/17/2011 |
| 7902786 | Motor controller A motor controller includes a command part that generates a command signal, a control part that drives a control object through an output filter when the command signal is input, an operating amount detector that detects an operating amount of the control object, a ... | 03/08/2011 |
| 7843159 | Motor controller A motor controller includes: a notch filter arranged inside a control system; an oscillation frequency estimating section which estimates an oscillation frequency component in a motor; and a notch control section which controls a notch filter so as to change a notch... | 11/30/2010 |
| 7808199 | Control apparatus A control apparatus of the present invention comprising a control unit outputting a control signal controlling a servo motor and suppressing natural vibration of a controlled object including a motor and a machine driven by the motor while controlling the controlled... | 10/05/2010 |
| 7759887 | Motor driving device, image forming apparatus, and motor driving method A motor driving device includes an amplifying unit, a noise removing unit, an analog-to-digital converter, a calculating unit, and a motor driving unit. The amplifying unit amplifies an analog frequency signal corresponding to a rotation speed of a direct-current br... | 07/20/2010 |
| 7619384 | Controller for die cushion mechanism A controller for a die cushion mechanism includes: a spring element that is displaced according to force between the die cushion mechanism and a slide; a force instructor that instructs force; a force detector that detects force; and a speed instruction generator th... | 11/17/2009 |
| 7459873 | Method for extracting maximum gain of servo controller It is an object of the present invention to provide a method for extracting a maximum gain of a servo controller in which while a machine is vibrated by raising a control gain, the vibration is rapidly detected so that the machine does not greatly vibrate or noise i... | 12/02/2008 |
| 7453228 | Method for controlling a positioning device, positioning device, and lithographic apparatus provided with a positioning device In a method for controlling a positioning device, the positioning device has a stator and mover, the mover being movable relative to the stator; a position sensor configured to generate a position signal indicative of a position of the mover relative to the stator; ... | 11/18/2008 |
| 7208897 | Motion control system for barrier drive A system for operating a barrier system such as a garage door, gate or fence. A DC motor is connected to and operates a barrier drive. A power amplifier is configured to receive power signals from a power supply and to output modulated DC signals to the DC motor. A ... | 04/24/2007 |
| 7098620 | Minute object manipulating apparatus A minute object manipulating apparatus includes a tool which manipulates a manipulation target object, an observation unit capable of changing the magnification for observating the manipulation target object and tool, a display unit which displays magnified images o... | 08/29/2006 |
| 7075260 | Motor controlling method and apparatus thereof A voltage detection section and current detection section detect a voltage and current supplied to a motor, and the detected voltage and current are supplied to a position detection section. An angular speed output from the position detection section is supplied to ... | 07/11/2006 |
| 7030581 | Motor controller This invention relates to a motor controller for driving an object to be controlled by torque from a motor responding to a computed torque command, the object being provided with the motor and a mechanical load. The motor controller includes: a feedback computation ... | 04/18/2006 |
| 7016019 | Lithographic apparatus and device manufacturing method In a lithographic projection apparatus and a device manufacturing method, a movable part is controlled to produce a motion, an absolute value of at least one of a fourth and a higher derivative to time of the position of the motion being limited to less than a maxim... | 03/21/2006 |
| 6959484 | System for vibration control A vibration control system comprising an actuator, and a sensor useful for controlling vibrations in systems for fabricating electronics equipment. The actuator may comprise one or more plates or elements of electro-active material bonded to an electroded sheet.... | 11/01/2005 |
| 6949844 | High-speed precision positioning apparatus A high-speed precision positioning apparatus has a stage supported by a platen. The stage is driven by a plurality of drive motors that are co-planar with the stage and arranged symmetrically around the stage. The drive motors apply drive forces directly to the stag... | 09/27/2005 |
| 6922030 | Adjustable iris-diaphragm controller An adjustable iri-diaphragm controller includes a brushless direct current (DC) motor, an iris defining an aperture that corresponds to an angular position of the DC motor, and a control module including a differential circuit, an integrator, and a current-limiting ... | 07/26/2005 |
| 6906488 | POSITION CONTROL SYSTEM FOR USE IN DRIVING SYSTEM TRANSMITTING DRIVING FORCE OF DRIVING SOURCE TO DRIVEN MEMBER THROUGH POWER TRANSMISSION MECHANISM, IMAGE FORMING APPARATUS, POSITION CONTROL METHOD, PROGRAM FOR PERFORMING THE POSITION CONTROL METHOD, AND STORAGE MEDIUM HAVING THE PROGRAM STORED THEREON A position control system uses a speed command supplied to a driving source. The speed command has a change pattern which has an acceleration section (1) for eliminating a dead zone of a power transmission mechanism, a constant-speed section (or an acceleration sect... | 06/14/2005 |
| 6861816 | Positional control of a controlled object during movement initiation In a positional control device for controlling a position of a controlled object using a motor, when generating a torque command value τc which serves as the command value for the servo motor of the controlled object system (112), a friction compensation val... | 03/01/2005 |
| 6853512 | Data storage device, head positioning apparatus and head positioning method A data storage device that can perform a track following process even when vibrations are produced by a wide range of frequencies. ... | 02/08/2005 |
| 6838854 | Digital signal to pulse converter and method of digital signal to pulse conversion An electric motor such as a driving source of an electric vehicle is controlled by the microcomputer 7. The microcomputer 7 calculates a target torque Req_trq according to a throttle opening degree α, and outputting induction values (a current instruc... | 01/04/2005 |
| 6771036 | Position control method and position control system for drive feed equipment When driving a plurality of paralleled feed drive mechanisms individually by servo motors (105, 106), torque of the servo motors (105, 106) is detected, and in dependence on a difference therebetween, a position command of servo motor (106) at a... | 08/03/2004 |
| 6727673 | Energy balanced system, controller and method for moving a load to a setpoint A system for moving a load toward a setpoint includes an actuator connected to the load and a controller capable of controlling the operation of the actuator. The actuator can generate an input energy that is transferred to the load to move the load toward the setpo... | 04/27/2004 |
| 6657411 | Position controller When an adjustment switch is turned on, the input of an input changeover switch is switched from a lens controller to a test signal generating circuit. A motor operates in accordance with a test signal of a step waveform outputted from the test signal gen... | 12/02/2003 |
| 6615110 | Controlling method and apparatus for positioning a robot A controlling method and apparatus for positioning a robot that can output an optimal speed instruction for controlling residual vibration after completion of a moving operation, achieve reduction in tact time for the moving operation, and shorten the len... | 09/02/2003 |
| 6452360 | Auto tuning and parameter identification of a control circuit A method for calculating a first and second gain for a controller circuit for a plant is disclosed. The method comprises the steps of providing a reference model circuit with desired circuit characteristics, providing a reference model adaptive circuit, s... | 09/17/2002 |
| 6445980 | System and method for a variable gain proportional-integral (PI) controller A method for generating a valve drive signal using a variable gain PI controller in a mass flow controller. The method includes multiplying an error signal with a proportional gain factor to generate a proportional signal. The method also includes impleme... | 09/03/2002 |
| 6430452 | Control circuit for regulating at least two controlled variables A method and circuit for controlling a controlled variable by a closed-loop control circuit comprising at least two controllers and a control device with a reference stage and a controlled system generating the controlled variable. The reference stage is ... | 08/06/2002 |
| 6310456 | Control system and method A control system for determining a control function for a control device on the basis of a transfer function of an object to be controlled and for adjusting an operation quantity of an object to be controlled in accordance with the determined control oper... | 10/30/2001 |
| 6294891 | Systems and methods for robust vibration suppression in a motion control system Systems and methods for reducing unwanted vibration in motion system are provided using a Robust Vibration Suppression (RVS) methodology, in which acceleration frequency spectra are obtained for each of a number of command input functions developed for mo... | 09/25/2001 |
| 6246208 | Method of feeding asynchronous motors with an inverter, in particular for battery-powered vehicles The present invention relates to a method of feeding asynchronous motors with an inverter, of the type comprising a driver of the inverter and feedback of the voltages at the terminals of the asynchronous motor. The abovementioned method measures the duty... | 06/12/2001 |
| 6232737 | Method of detecting, diagnosing and automatically correcting abnormalities in servo control system According to the present invention, in a first acceleration after power is turned ON, currents flowing through U-phase and V-phase of a servo motor output terminal are detected, and misconnection of the motor output terminal is detected by monitoring a pa... | 05/15/2001 |
| 5942868 | Speed and phase controller for motor and video cassette recorder having same A speed and phase controller for a motor includes detecting and servo system for detecting a speed and a phase of the motor and for outputting a speed and phase control signal corresponding to the detected speed and phase of the motor, load detector for d... | 08/24/1999 |
| 5877605 | Servo device having plural servo systems A servo device which simultaneously controls plural servo systems, using a digital signal processor (DSP). The servo device includes plural servo systems, plural control subjects, and plural sensors which determine control quantities of the respective con... | 03/02/1999 |
| 5811949 | Turn-on delay compensator for motor control A method and apparatus for essentially eliminating turn-on delay distortions in terminal voltages and currents in a three phase motor control system wherein a compensator provides correction voltages which are added to command voltages as a function of fe... | 09/22/1998 |
| 5786678 | Method and apparatus for automatically adjusting a gain of a servomechanism In a servomechanism which includes a motor and performs positioning control and velocity control, based on a response of the motor when a step command is supplied in a condition where a load is applied to the motor, the value of the load is estimated, and... | 07/28/1998 |
| 5541486 | Automatic tuning of a position control circuit for a servo device A position control circuit having a demodulator with automatic tuning capability for use in an electro-hydraulic positioning system used to position a servo device. The position control circuit includes the demodulator, an analog to digital converter with... | 07/30/1996 |
| 5451852 | Control system having signal tracking window filters A control system having a source of control signals and a multi-window electrical signal tracking filter. The signal tracking filter includes an operational amplifier operating in the non-inverting mode as a high impedance load, with a plurality of input ... | 09/19/1995 |
| 5304905 | Motor servo-system controller having comparison of detected current with model current integrations To set the magnitude of the inertia of a motor and mechanical system or set gains suitable for the magnitude of vibrations of the motor and the mechanical system, the magnitude of a load inertia is identified in accordance with the time-integrated value o... | 04/19/1994 |
| 5206570 | Actuator servo compensation method An actuator control loop for controlling head position in a rotating media data storage system. The invention applies the compensation zero to the PES prior to summing it with the integrator. This scheme reduces transients caused by the integrator initial... | 04/27/1993 |
