Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7449850 | Device and method for controlling motor A motor control method/device is provided in which a speed change during a deceleration period is stabilized in performing a speed feedback control of a motor. In the motor control method/device, the speed feedback control is performed such that a speed of a body dr... | 11/11/2008 |
| 7425810 | Disk drive management Arrangements and methods for implementing a “spin-down policy” for HDD motors that is “smart”, flexible and admirably achieves an objective of ensuring prolonged motor life as just discussed. To this end, one specific implementation involves (among other thi... | 09/16/2008 |
| 7400103 | Controller for a multi-phase brushless DC motor Control of rotational speed of a direct current multi-phase brushless motor is provided using an apparatus and method that works at low speed but does not depend upon Hall effect sensors. An apparatus for accelerating rotation of the motor shaft has a power stage ci... | 07/15/2008 |
| 7337036 | Three-way connector for connecting weft feeders of textile machines to a serial bus, and a control system based thereon The three-way connector comprises a first, a second and a third gates directly connected to one another. The first and second gate are pluggable onto respective spans of a bus, and the third gate is connectable to a weft feeder. The three-way connector further compr... | 02/26/2008 |
| 7319910 | Method and device for controlling a movement of a movable machine element of a machine tool or production machine A method and device for controlling a movement of a movable machine element of a machine tool or production machine with at least two drive axles are disclosed. At least one mechanical characteristic frequency is determined for each drive axle of the machine, and th... | 01/15/2008 |
| 7233125 | System and method for controlling an induction motor A system controls an induction motor driven by a power inverter circuit. An operational amplifier circuit is operatively connected to the power inverter circuit and operative therewith for sensing DC current and controlling acceleration and deceleration of the induc... | 06/19/2007 |
| 7164250 | Open-loop voltage driving of a DC motor The driving voltage of the motor is incremented a quantity proportional to the speed of the motor according to a proportionality factor that is adjusted to compensate the back electromotive force. A method includes open-loop voltage control of a DC motor having a ce... | 01/16/2007 |
| 7159479 | Active damper for stabilized mirrors An active damping method for a stabilized mirror, and a corresponding active damper apparatus, comprising providing a tachometer measuring speed of a motor driving the mirror, employing compensation electronics receiving input from said tachometer and the motor, and... | 01/09/2007 |
| 7102309 | Apparatus for compensating for speed error of motor The present invention discloses an apparatus for compensating for a speed error of a motor which can reduce a speed ripple of the motor resulting from load characteristics, and which also can reduce vibrations and noises. The apparatus for compensating for the speed... | 09/05/2006 |
| 7078871 | Method for determining the effective resistance of a DC motor and open loop voltage mode controlling of a DC motor A method for determining an effective resistance of a voltage controlled DC motor having a nominal resistance includes driving the DC motor with a signal so that the DC motor has a targeted acceleration, and sensing an effective acceleration of the DC motor. The eff... | 07/18/2006 |
| 7074161 | Method for assisting a vehicle to start on a slope In a method and a device for assisting a vehicle to start on a slope, a vehicle brake torque is changed corresponding to an estimated vehicle driving torque in consideration of a downgrade torque. The method is executed with the following steps of determining a vehi... | 07/11/2006 |
| 7061194 | Method and apparatus for controlling constant linear velocity of spindle motor using mirror signal A method and an apparatus for precisely controlling the rotation speed of a spindle motor in an optical system according to a given condition are provided. The method involves counting in response to a clock signal widths of first and second logic states of an input... | 06/13/2006 |
| 7023154 | Train speed control using current and velocity sensing A method for speed control for a motor of a locomotive of a model electric train is presented. A method in accordance with the present invention includes sensing an operating velocity of the motor and the operating current provided to the motor, and then producing a... | 04/04/2006 |
| 7012392 | Multi-stage dynamic braking resistor network A multi-stage dynamic braking resistor network (23) is provided that includes a plurality of dynamic brake resistors (1a–d) for dissipating, as heat, regenerative energy inputted onto a system bus (17) by a motor or actuator (19)... | 03/14/2006 |
| 6922299 | Power saving method and apparatus for driving a spindle motor and voice coil motor in a disk drive In the high-speed seek mode in which priority is given to making the seek operation faster, the CPU sets the driving voltage applied to a motor driver that drives both a spindle motor and voice coil motor to a first driving voltage. Furthermore, in the high-efficien... | 07/26/2005 |
| 6920363 | Acceleration and deceleration control method An acceleration and deceleration control in which, for a relation between speed and acceleration, the low speed part need not be symmetrical with the high speed part, is performed such that an actual acceleration curve may lie along a restricted acceleration curve a... | 07/19/2005 |
| 6885160 | Drive control The present invention is a drive control device for controlling an electric rotational actuator which moves the driver, including: a reference comparison signal generation circuit; a detection circuit for detecting the speed of the actuator and outputting this as a ... | 04/26/2005 |
| 6851637 | Variable use fly-fishing reel A fly-fishing reel has a reel body with a reversible pawl and an arbor. A spindle shaft with a gear rotates on the arbor, the gear and pawl limiting the direction of rotation. A spool and lockably engaged drive plate rotate on the spindle shaft and are secured there... | 02/08/2005 |
| 6836087 | Multiphase motor voltage control for phase windings of different wire gauges and winding turns A multiphase motor has a plurality of ferromagnetically isolated stator electromagnets distributed about an axis of rotation. Successive ranges of speed during which the motor can be expected to operate are defined. A specific subset of the electromagnets is associa... | 12/28/2004 |
| 6822411 | Method and apparatus for controlling motors Control of a motor in a device in which a mechanism is driven using the motor as the power source is achieved by providing velocity servo-control means for outputting first command information regarding the motor based upon a preset velocity profile and information ... | 11/23/2004 |
| 6798989 | Motor control apparatus, lens apparatus, camera system and camera A motor control apparatus capable of accelerating the motor speed to a target speed and stabilizing the motor speed in a short time is disclosed. The motor control apparatus includes a speed detection unit which outputs a signal according to the speed of the motor (... | 09/28/2004 |
| 6538412 | Method for controlling a power drive system To minimize the energy required for operation of a rail vehicle, in a drive system that has an intermediate circuit converter 1 and a three-phase motor 7 fed by it, the intermediate circuit voltage in the intermediate circuit 12 and/or the magnetic flux i... | 03/25/2003 |
| 6347681 | Electrically integrated scooter with dual suspension and stowage mechanism An electric scooter having batteries concealed below the standing platform in a multipurpose battery pan, an anti-lock brake, a dual suspension, a stow and carry feature, integrated electronics including brake control, throttle control, safety measures an... | 02/19/2002 |
| 6216080 | Wheel module for a vehicle with an electrically controlled braking system (EBS) A wheel module for the control of the braking force on a wheel of a vehicle with an electrically controlled braking system (EBS), in which the need for data transfer to other wheel modules, or to a central module, if present, is reduced considerably. All ... | 04/10/2001 |
| 6150780 | AC motorized wheel control system Torque is distributed by calculating first and second torque commands using a requested torque and a ratio of speeds of first and second wheels and limiting them in accordance with respective torque command approved ranges and approved change rates; conve... | 11/21/2000 |
| 6118240 | Method and apparatus for selecting acceleration or deceleration of a substrate A board transfer unit for transferring a printed circuit board on which electronic components are mounted. The board transfer unit has sensors for detecting the length, width, and thickness of the board. The board weight is calculated based on the detecte... | 09/12/2000 |
| 5942870 | Process and apparatus for positioning an object A process and apparatus for positioning an object being moved along a path to a destination using a pole changing three-phase induction motor having at least two fixed driving speeds. The object is initially accelerated along the path of movement to the h... | 08/24/1999 |
| 5932979 | PWM speed-control apparatus for elevators A PWM speed regulating apparatus for DC elevator comprises a rectifier-filter (1), voltage suppressor (2), chopper voltage regulator (3), system controller (4) and a driving protector (5). The speed of DC motor is regulated by a pulse width modulating mod... | 08/03/1999 |
| 5854544 | Velocity control with limited jolting The invention relates to a method for controlling the speed of electric drives, in particular for machine tool controllers, acceleration shocks to the gear mechanism and machine being limited. To this end, control data are read in a multi-block handling p... | 12/29/1998 |
| 5847277 | Method of rotating a rotary member in a balancing machine into balancing positions in first and second balancing planes In a method of rotating a rotary member on a balancing machine into balancing positions in first and second balancing planes, after the unbalance measuring run the rotary member is braked and thus rotated into the balancing position in the first balancing... | 12/08/1998 |
| 5834913 | Method and apparatus for controlling motor rotation, and a disk signal regenerating apparatus using the motor The present invention provides the following rotation control method for reducing energy consumption of a motor driving a disk. In a constant speed mode, a supply voltage V1 for driving the motor at a constant speed N1 is selected; however, at a lower con... | 11/10/1998 |
| 5703455 | Control device for a stepping motor included in an electronic apparatus A control device for controlling the drive of a stepping motor included in an electronic apparatus as a drive source is disclosed. The stepping motor is totally controlled by a microprocessor and driven by a motor driver. A memory stores control data for ... | 12/30/1997 |
| 5510683 | Motor speed control device A motor speed control device, preferably for use in a camera, controls a motor to rotate at a constant speed in accordance with a pulsed signal output from a motor speed detector, such as a photointerrupter. To overcome the control problems that occur whe... | 04/23/1996 |
| 5485065 | Position commanding method and apparatus A position command method and apparatus for shortening the acceleration and deceleration times of a servo controlled apparatus by effectively utilizing the torque of the controlled apparatus. A value of speed per unit time is developed on the basis of spe... | 01/16/1996 |
| 5367239 | Printer carrier driving method Disclosed is a method for driving a printer carrier. One power source is connected via a constant current circuit to the carrier motor. Data storing means stores the current command data corresponding to the acceleration, constant speed printing and decel... | 11/22/1994 |
| 5045763 | Motor-control device for image forming apparatus Motor-control device for an image forming apparatus includes a motor, an encoder, a microcomputer, and a driving circuit. The encoder generates a pulse signal in response to rotation of the motor. The microcomputer includes a CPU, a RAM and a ROM. The CPU... | 09/03/1991 |
| 5038084 | Drill motor control A drill motor control for periodically varying the rotational speed of a drill to increase the cutting efficiency of the drill bit is disclosed. The speed of the drill is made to vary according to a predetermined cycle such that the drill bit is permitted... | 08/06/1991 |
| 4980621 | Control arrangement for controlling the power supplied to an electric motor A control arrangement for controlling the power supplied to an electric motor connected to a rotary member to drive same in rotation by way of a belt drive, to accelerate the rotary member to a given speed and to brake it in a slip-free manner provides th... | 12/25/1990 |
| 4731657 | Control apparatus An image reader including a control apparatus adapted to control a drive motor such that an image scanner can be moved at a desired speed in its forward stroke and at a higher speed in its backward stroke.... | 03/15/1988 |
| 4626750 | Solid state d.c. motor control The system includes a plurality of parallel-connected power field effect transistors arranged for connection in series with the traction motor with a common control circuit connected to the gate electrodes of the field effect transistors to control the on... | 12/02/1986 |
