Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7432674 | Control system A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is... | 10/07/2008 |
| 7350435 | Motor, especially a gear motor or a selector motor of a transmission actuating system, and method for detecting the moving direction of a motor The invention relates to a method for determining the moving direction of a motor, especially an electric motor of a transmission actuating system for gear selection and/or shifting, whereby at least one signal of the motor is detected. The inventive method is chara... | 04/01/2008 |
| 7342375 | Automatic storm shutter control The present invention provides wireless and direct wired methods and devices for automatically closing electrically-driven roll-down storm shutters in the presence of rain on one or more rain sensors. ... | 03/11/2008 |
| 7328762 | Electric vehicle An electric vehicle has traveling units, first and second electric motors for driving the respective traveling units, a speed adjusting lever for adjusting a speed of the traveling units, a speed adjustment mechanism for generating a speed adjusting signal in respon... | 02/12/2008 |
| 7289833 | Apparatus and method for controlling opening and closing of sub-body in an automatically and manually foldable mobile communication terminal Disclosed are an apparatus and a method for controlling a correct position of opening and closing a sub-body (folder) in an automatic foldable mobile communication terminal. A sensor means is arranged in one end of a main-body and the sub-body, for detecting a fully... | 10/30/2007 |
| 7230393 | Motor control apparatus and motor control method In response to detection of a skid of drive wheels based on an increase in angular acceleration α of a rotating shaft of a motor, the control procedure of the invention refers to a map representing a variation in maximum torque Tmax against the angular acceleration... | 06/12/2007 |
| 7157871 | Intermittent drive control apparatus of motor Rotation of a capstan motor is detected by a frequency detector, and supplied to a CPU as a rotation detection signal CFG. The CPU derives a period of the rotation detection signal CFG, calculates an average rotational speed of the capstan motor on the basis of the ... | 01/02/2007 |
| 7145299 | Power window control system A master controller installed in a master controller box and slave controllers installed in car doors to open and close window glasses of a car are connected by a single wire to each of slave controllers for enabling to send control signals through such a single wir... | 12/05/2006 |
| 7124691 | Method for monitoring and controlling locomotives The present invention is directed to a locomotive comprising energy storage units, such as batteries, a prime energy source, such as a diesel engine, and an energy conversion device, such as a generator. The locomotive comprises one or more of the following features... | 10/24/2006 |
| 7100312 | Working machine A working machine has a machine body, an engine mounted on the machine body, an electric motor mounted on the machine body, a working part driven by the engine during a working state of the working part for performing a working operation, and a transporting part dri... | 09/05/2006 |
| 7098616 | Control device for a motor unit of a food processor A control device includes a control module controlling a polarity switching unit connected electrically to a motor unit of a food processor to provide a first current path for an input power signal through the motor unit when the control module is operated in a proc... | 08/29/2006 |
| 7038421 | Method and system for multiple servo motor control A system for control of a plurality of motors comprising: an inverter including at least three legs, with each leg including two series switching devices configured to receive a command from a controller. The system also includes a first motor operably connected to ... | 05/02/2006 |
| 7023152 | Driving control device for actuator A driving control device for an actuator comprises a driving device to drive an actuator having an electric motor (30) and a driving control device (50) to control the rotation of the electric motor (30) by controlling the driving device. The dr... | 04/04/2006 |
| 6794837 | Motor speed-based anti-pinch control apparatus and method with start-up transient detection and compensation A control apparatus and method for a panel movable between at least two positions by an electric motor having a rotatable armature. The control generates time periods for the rotation of the armature over a constant angular distance. An average time period is comput... | 09/21/2004 |
| 6756750 | Electric vehicle An electric vehicle driven by a pair of left and right electric motors is provided. The vehicle includes a controller for controlling the start of the vehicle. The controller performs such control as avoiding brake drag caused by the operation of the electric motors... | 06/29/2004 |
| 6731092 | Apparatus and method for initializing stepper motor A stepper motor is initialized so that the exciting signal is applied to coils with the step shifted by half of one electric cycle from the rebounding step being synchronized with the timing when the stopper piece is brought into contact with a fixed stopper. The re... | 05/04/2004 |
| 6694095 | Motor driving apparatus A motor driving apparatus is basically composed of a driving circuit for driving a plurality of loads contained in a plurality of motors, and a control circuit for controlling the driving circuit to sequentially drive the plurality of the motors. The driv... | 02/17/2004 |
| 6366040 | Method and apparatus for controllably moving a window An apparatus 10 for controllably moving a vehicle window, which is deployed upon a vehicle 12 of the type having a cab 14 including a rear or "backlight" window 16. Apparatus 10 includes a conventional controller 22 having a memory unit 24, a conventional... | 04/02/2002 |
| 6344719 | Motor driving apparatus for controlling plurality of motors with less motor driving units than motors The motor driving apparatus comprises a plurality of motors for displacing the position of the control object member, semiconductor switch pairs, a plurality of motor driving units for connecting the motors to the power supply and a control unit for ON/OF... | 02/05/2002 |
| 6288509 | Method for controlling an opposed wiping type wiper apparatus and an opposed wiping type wiper apparatus In an opposed wiping type wiper apparatus, left and right wiper blades which perform wiping operations with a predetermined preceding-following relationship maintained are layered vertically at their lower returning positions. A wiper drive control unit c... | 09/11/2001 |
| 6094019 | Motor drive circuit The common contact 5a of a power source circuit side relay 2a is connected to the common contact 15a of a motor circuit side relay 12a. The common contact 5b of a power source circuit side relay 2b is connected to the common contact 15b of a motor circuit... | 07/25/2000 |
| 5965993 | System for controlling the operation of reversible motor-speed reducer modules for adjusting in position elements of motor vehicle seat structure This system for controlling the operation of reversible motor-speed reducer modules for adjusting in position elements of a motor vehicle seat structure is characterized in that the motor-speed reducer modules (1,2) are connected in parallel to common sup... | 10/12/1999 |
| 5936375 | Method for energy storage for load hoisting machinery A method for energy storage and recovery for load hoisting equipment driven by an inverter controlled first induction motor and having a second inverter controlling a second induction motor which drives a flywheel whereby, utilizing rest power such as rev... | 08/10/1999 |
| 5627438 | Pulsing control for an inertial drive system for a multi-motor binary array vehicle A pulsing drive system delivers pulsed power signal of the driven wheels of a vehicle for improving the efficiency internal combustion or an electric motor driven vehicles. A controller receives signals such as velocity and demand, and communicates to a m... | 05/06/1997 |
| 5534758 | Optical disk drive circuit and optical disk drive device using the same The present invention resides in that two of three drivers are BTL-operated in pair to drive the motor for driving the tray and one of the two drivers and a remaining one driver are BTL-operated in pair to drive the other motors. Therefore, it is possible... | 07/09/1996 |
| 5491391 | Start up circuit for continuous sine-wave commutated brushless motors Automatic start up of a continuous sine-wave commutated, brushless, direct current motor in a predetermined direction is done by applying a ramped armature current to the direct current motor to generate an armature field. The resulting armature field is ... | 02/13/1996 |
| 5453671 | Electromotive actuator for a central door locking system of a motor vehicle The invention relates to an electromotive actuator with a housing for a central door locking system of a motor vehicle having a first slide adjustable by a first electric motor between two end positions. The first slide can be connected with a door lock o... | 09/26/1995 |
| 5369342 | Predictive electric motor positioning device, calibration system therefor A method and firmware motor calibration system for measuring average system voltage of operating electric motors and time of movement between physical stops of mechanical structures coupled to the output shafts of the electric motors. The system calibrate... | 11/29/1994 |
| 5315218 | Motor controls An electrically actuated shifting mechanism includes a reversible rail select electric motor and a reversible in-gear electric motor. Three groups of switches are provided to effect one-at-a-time operation of the motors with a center group of switches bei... | 05/24/1994 |
| 5252897 | Dual motor wiper control A motor vehicle glass wiper system includes first and second motor assemblies and respective first and second wiper blades. Each motor assembly is effective to move its respective wiper blade through a wipe pattern that is bounded by an outboard direction... | 10/12/1993 |
| 5220257 | Motor torque control circuit with barking control and motor drive system using the same A motor control circuit, in which the motor is driven to rotate by a driving current according to a torque control signal and the motor rotation is stopped by generating a torque on the motor in the reversing direction when a stop signal for stopping the ... | 06/15/1993 |
| 5126640 | Centralized control unit for a vehicle seat A centralized control unit that includes supply circuits for supplying various motors for controlling movements of parts of a vehicle seat, an in-board power source for feeding the supply circuits, an inverting device for enabling a control with inversion... | 06/30/1992 |
| 4900995 | Vehicle window wipers with alternating symmetrical overlap A pair of wiper blades on a vehicle window are oscillated in opposing movement from an overlapping inner wipe arrangement, with upper and lower overlapped blades, outward to separated outer wipe positions and inward to the overlapping inner wipe arrangeme... | 02/13/1990 |
| 4900996 | Vehicle window wipers with dynamic symmetrical overlap A pair of wiper blades on a vehicle window are oscillated in opposing movement between an overlapping inner wipe arrangement, in which one of the blades overlaps the other, and separated outer wiper positions. In dynamic symmetrical overlap (DSOL) operati... | 02/13/1990 |
| 4857813 | Self-stopping motor control circuit A motor control circuit is disclosed, which comprises an operation switch to issue the forward rotation or reverse rotation signal, driving means to operate the motor to the forward or reverse direction in response to the forward rotation or reverse rotat... | 08/15/1989 |
| 4774441 | Motor control system A motor control system for controlling operation of a plurality of motors. The motor control system is composed of a microcomputer for performing sequential control of the motors. A plurality of integrated circuits are provided to drive the motors, respec... | 09/27/1988 |
| 4766356 | Device for opening and closing a vehicle top A device for opening and closing a vehicle top by rotations of drive shafts rotatably provided with both right and left sides of the vehicle, comprises two individual motors which actuate the individual drive shafts through speed reduction mechanisms, swi... | 08/23/1988 |
| 4733145 | Drive control system for vehicle mounted, electrically driven devices A drive control system for driving an electrically driven window or sun roof is disclosed. A control unit drives a vehicle mounted device until it reaches a limit position when an ignition key is not inserted and when a door of the vehicle closes. Accordi... | 03/22/1988 |
| 4698560 | Adjusting device, especially for locking and unlocking motor vehicle doors In vehicular electric door lock arrangement the running time of a first adjusting unit is longer than the worst possible running times of the other adjusting units. The first adjusting unit operates a switching unit via which the running time of the other... | 10/06/1987 |
| 4677355 | Electric-powered spring-return actuating device Electric-powered actuating device usable for the positioning control of valves and the like, featuring a motor, mechanical and spring means capable of driving said valve or other attached devices into a predetermined safety position in case of electrical ... | 06/30/1987 |
