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| Number | Title | Issue Date |
| 7420341 | Power tool and motor controller A method and apparatus to automatically reverse the motor of a power tool, such as a dispensing gun or similar tool. In some constructions, a controller automatically reverses the direction of plunger movement and removes the plunger from contact with the back wall ... | 09/02/2008 |
| 7342368 | Automated garage door closer An automated garage door closing device for a remote controlled overhead garage door wherein the device is mounted on one of a pair of parallel tracks receiving rollers suitably mounted on the outer edges of the door panels, the device including a switch housing con... | 03/11/2008 |
| 7328752 | Power tools An electrically powered hand tool is disclosed. The tool includes a motor, a power source, a work element and a controller. Various alternative features, embodiments and operative configurations are disclosed. The electrically powered hand tool may be a drill/driver... | 02/12/2008 |
| 7323842 | Rotating electrical machine A rotating electrical machine has a housing with a shaft mounted rotatably in it. A rotor is fixed to the shaft and has a plurality of magnetic poles. A stator is positioned about the rotor and has a winding. A switch is mounted within the housing and has a first po... | 01/29/2008 |
| 7319301 | Differential anti-pinch capacitive sensor A proximity sensor for sensing an object in the path of or proximate to a closure panel such as a vehicle window. First and second electrodes encased in a non-conductive casing are mounted on the metallic structure near the closing edge of the aperture. The two elec... | 01/15/2008 |
| 7285928 | Container for use with flexible bags A container includes a fan that is reversible so air can be removed from the container as a flexible bag is placed into the container and ambient air can be forced into the container when the flexible bag is being removed from the container. This will facilitate pla... | 10/23/2007 |
| 7282880 | Power tool and motor controller A method and apparatus to automatically reverse the motor of a power tool, such as a dispensing gun or similar tool. In some constructions, a controller automatically reverses the direction of plunger movement and removes the plunger from contact with the back wall ... | 10/16/2007 |
| 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 |
| 7274865 | General purpose 100% solid state drive for direct current rotary machines General purpose 100% solid state Direct Current drive for rotary DC machines with four quadrants operation. It is to say that allows the rotary DC machine to act like motor or generator in the two direction of possible rotation. In the first and third quadrant as mo... | 09/25/2007 |
| 7268506 | Power window system The power window system moves a window glass in opening and closing directions in response to operation of an opening and closing instruction switch. The power window system includes a measurement device for obtaining an open degree of the window glass and a control... | 09/11/2007 |
| 7239098 | Digital adaptive sensorless commutational drive controller for a brushless DC motor Various embodiments of an electrical motor, a brushless DC motor controller, and applications thereof. In one embodiment, a fluid-moving device is provided with a brushless DC motor and a motor controller. The controller may include a set of comparators and a clocke... | 07/03/2007 |
| 7239099 | Circuit configuration and method for controlling an electric motor, in particular of a washing machine A circuit configuration for driving an electric motor, in particular of a washing machine, includes power switches connected to connection terminals of the electric motor and to a voltage intermediate circuit. A driver circuit is connected to the voltage intermediat... | 07/03/2007 |
| 7227322 | Hoist with detachable power and control unit A hoist is powered by a separate power unit. The hoist unit includes: a motor, a mounting connector, a spool, webbing, auto cut-off and a first portion of a mating electrical connector. The control unit includes a hollow pole, a hook, a second portion of the mating ... | 06/05/2007 |
| 7224136 | Control apparatus for closure device A control apparatus for a closure device includes pinch detector for detecting a foreign body being pinched by an opening/closing member when the variation degree of a movement of the opening/closing member reaches a predetermined threshold value. When this control ... | 05/29/2007 |
| 7173389 | Motorized barrier operator adapted to vary operator force for safety purposes and methods for accomplishing the same A motorized barrier operator system that moves a barrier between limit positions includes a barrier, a motor coupled to the barrier and adapted to move the barrier between a full open limit position, a danger zone position, and a full close position. The system furt... | 02/06/2007 |
| 7141949 | Low noise back EMF sensing brushless DC motor A low noise electronic three phase bridge controlled brushless DC motor suitable for whiteware appliance pumps and other appliance applications. Back EMF zero crossing sensing is used to determine rotor position and thus stator winding commutation times. Motor torqu... | 11/28/2006 |
| 7116071 | Power tool and motor controller A method and apparatus to automatically reverse the motor of a power tool, such as a dispensing gun or similar tool. In some constructions, a controller automatically reverses the direction of plunger movement and removes the plunger from contact with the back wall ... | 10/03/2006 |
| 7067996 | Open-and-close control system for openable apparatus In an automotive power window system, a controller detects positions of a window glass that moves through driving operation of a motor during the closing operation of a window. The controller reduces a rotation speed of the motor when the window glass reaches a spee... | 06/27/2006 |
| 7055620 | Hand-held machine tool The invention is based on a hand power tool having an electric motor (12) located in a housing (10), via which an insertable tool (16) situated in a tool mount (14) is capable of being driven in a rotating manner, and having a safety devi... | 06/06/2006 |
| 7047770 | Washing machine agitation action control An apparatus, method and system of wash action control for an automatic washing machine. A manually operable user interface allows selection from between a plurality of discrete agitation speed selections which comprise at least a continuous speed agitation mode for... | 05/23/2006 |
| 6998803 | Enhanced performance for DC motor drive switching An improved drive circuit is provided for a DC motor. The drive circuit includes: a DC power source; a relay having a normally open contact and a normally closed contact; a DC motor electrically connected through the normally open contact of the relay to the power s... | 02/14/2006 |
| 6971454 | Pulsed rotation screw removal and insertion device A drill/driver (e.g. an electric drill) with a screwdriver bit attachment, and a method of controlling the drill/driver, are described. This method of control will greatly reduce the occurrence of stripped screw heads on most types of screws. By periodically stoppin... | 12/06/2005 |
| 6954040 | Method of controlling a reciprocating linear motor A free piston gas compressor comprising a cylinder, a piston reciprocable within the cylinder and a reciprocating linear electric motor derivably coupled to the piston having at least one excitation winding. A measure of the reciprocation time of the piston is obtai... | 10/11/2005 |
| 6946810 | Windscreen wiper system comprising two opposed wipers The invention relates to a windshield wiper system with two wipers (1, 2) that travel in opposite directions and can each be driven by a separate motor (MFS, MBS), wherein a regulating unit (7) is provided for triggering the motor... | 09/20/2005 |
| 6943513 | Force-applying input device A force-applying input device includes a controller including a first rotational angular speed calculating unit for calculating rotational angular speed information of an operation unit by signal pulse output from an encoder, a rotational angular acceleration calcul... | 09/13/2005 |
| 6917169 | Driving circuit for rotating motor in forward and reverse direction A field effect transistor is provided between the ground and an H bridge circuit for rotating a motor in forward and reverse directions in a manner that the drain of the transistor is grounded and the gate thereof is coupled to a DC power source such as a battery se... | 07/12/2005 |
| 6906482 | Window glass obstruction detector A detector, that prevents erroneous detection of a foreign object caught in a window glass when the engine of a vehicle is being operated and when the engine is stopped using a relatively simple control method. The detector includes a pulse sensor for detecting rota... | 06/14/2005 |
| 6903524 | Electric motor-driven power steering apparatus In an electric motor-driven power steering apparatus which comprises a bridge circuit for connecting a power source between input terminals and also connecting an electric motor between output terminals and energizes the electric motor by this bridge circuit and ope... | 06/07/2005 |
| 6879121 | Method for controlling an electric driving motor of an adjusting device pertaining to a motor vehicle A method for controlling an electric drive motor (10) of a motor vehicle adjusting drive by means of applying a variable voltage to it should be improved so that an EMV interference suppression can be inexpensively executed. To this end, a controllable resist... | 04/12/2005 |
| 6873127 | Method and device for adjusting an internal obstruction force setting for a motorized garage door operator An operator and related method for adjusting an internal force setting for a motorized garage door operator is disclosed. The operator checks for the presence of a secondary entrapment safety feature and automatically increases a force threshold setting from a first... | 03/29/2005 |
| 6859003 | Force sense imparting/inputting apparatus capable of preventing oscillation of operation member, and imparting force sense Force in a direction opposite to an operating direction imparted from a motor to a rotary knob is increased gradually at the start of an operation to an upper limit value with the increase of a rotating angle of the rotary knob in the same direction as the operating... | 02/22/2005 |
| 6624604 | Wiper controller with fault detector device A wiper control device in which an abnormal condition of a FET is detected by distinguishing an action of an overheat-cutting protective function normally difficult to be detected with measuring the drain voltage of the FET and by which the control of the... | 09/23/2003 |
| 6624603 | Method and device for determining the actual reversal of a follow-on rotary drive A method and a device for incrementally determining the actual reversal of a rotary drive that rotates on slightly even after a preceding signal switching the rotational direction is applied. A sequence of pulse signals (N; S; SL) that are prop... | 09/23/2003 |
| 6598684 | Impact power tools Power tools (1) may include a drive source (22). A device for generating an elevated torque, such as a hammer (4) and anvil (2), may be operably coupled to the drive source. Preferably, a sensor (30) detects when the hammer has begun to strike the anvil a... | 07/29/2003 |
| 6580241 | Method of detecting pinching of object in power window device In a power window device an MCU detects motor torque values one by one when a window is opened and closed, compares the detected motor torque values with base values set to the travel regions and stops or reverses a motor determining that an object is pin... | 06/17/2003 |
| 6563278 | Automated garage door closer An automated garage door closing device for a remote controlled overhead garage door wherein the device is mounted on one of a pair of parallel tracks receiving rollers suitably mounted on the outer edges of the door panels, the device including a switch ... | 05/13/2003 |
| 6548980 | Motor drive An apparatus for driving a motor that opens and closes the window of vehicle, for example, is so adapted that when the vehicle becomes submersed in the sea, a lake or a river, etc., the window is prevented from being closed owing to malfunctioning of a re... | 04/15/2003 |
| 6545439 | Method and circuit arrangement for detecting motion, direction and position of a part driven by an electric motor An electric motor for driving a component, such as a vehicle window lifter or a machine tool, functions as a generator, when the motor drive voltage is switched off and the motor is short circuited. The motor keeps running due to inertia or other influenc... | 04/08/2003 |
| 6489739 | Vehicle window actuation assembly A window actuation assembly for a vehicle which is structured to automatically lower at least one, but preferably all of the windows of a vehicle in the event that a vehicle becomes partially or totally submerged in a body of water and regardless if the o... | 12/03/2002 |
| 6437527 | Garage door security device An adjunct device for a garage door opener and closer system containing a microprocessor which automatically closes the garage door after a 45 second delay, and includes three LED's to indicate the door closure, motion detection, and a manual override of ... | 08/20/2002 |
