Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7358690 | Motor control apparatus In a motor control apparatus in which a higher voltage is directly applied to a driving unit for a motor from a battery and a lower voltage stepped down by a switching regulator from the battery is also supplied to a control unit, the switching regulator is started ... | 04/15/2008 |
| 7212897 | Vehicle door controlling apparatus In order to provide a vehicle door controlling apparatus, which even when the vehicle starts to move while doors of the vehicle are in closed operation, performs insertion detection accurately without reducing the sensitivity of insertion detection. In the present i... | 05/01/2007 |
| 7205731 | Control of vehicle motor A motor control device for controlling an electric motor (1,6) installed in a vehicle, is disclosed. The motor has a field winding (101,601). The motor control device has a battery (4) charged by power at a first voltage (Vb), an voltage increas... | 04/17/2007 |
| 7196491 | System and method for stall detection of a motor A motor starter system comprises solid state switches for connection between an AC line and motor terminals for controlling application of AC power to the motor. A voltage sensor senses AC line voltage and the motor terminal voltage. Current sensors sense motor curr... | 03/27/2007 |
| 7161319 | Movable barrier operator having serial data communication A wall control unit for a movable barrier operator sends baseband signals over a wire connection to a head unit of a movable barrier operator to command the movable barrier to perform barrier operator functions. The wall control unit has a wall control unit port for... | 01/09/2007 |
| 7128440 | Color-changing submersible lighting fixture with control circuit responsive to timed interruptions of the power source The lighting fixture includes a housing having an interior cavity and a transparent cover. A color-changing electric light assembly is provided in the interior cavity. The light assembly emits a plurality of different colors of light through the transparent cover an... | 10/31/2006 |
| 7114085 | Portable storage device startup A portable storage device with a hard disk drive is reliably started up using only the power received through the interface cable, e.g., a USB cable. By not providing power to the internal circuit in the interface cable, e.g., the USB circuit in the USB cable, while... | 09/26/2006 |
| 7106012 | Electronic control unit, electric power-assisted steering device and transmission ratio-variable steering unit An electronic control unit for producing a sufficiently boosted voltage even when a supply voltage becomes high includes an inverter that drives switching elements and converts a DC voltage into an AC voltage, and booster means which boosts a DC voltage that is inpu... | 09/12/2006 |
| 7097329 | Underwater lighting fixture with color changing electric light assembly An underwater lighting fixture adapted for installation in a wall of a swimming pool. The lighting fixture includes a housing having an interior cavity and a transparent cover. A color changing electric light assembly is provided in the interior cavity. The light as... | 08/29/2006 |
| 7088068 | Sensorless motor driving apparatus and driving method addressing prevention of backward rotation The sensorless motor driving apparatus according to the invention may include: a timing generation circuit generating a timing signal at intervals T; a driving signal generation circuit receiving the timing signal and generating, at the intervals T, pulse signals, t... | 08/08/2006 |
| 7071637 | Window lifter control system and method of controlling window lifters A window lifter system and method coordinates closing of multiple windows by detecting when more than one window pane is approaching a fully closed position and moving one window pane to only an approximately closed position while the other window pane is moved to t... | 07/04/2006 |
| 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 |
| 6841954 | Apparatus and method used in disk drive for driving spindle motor A CPU sets an SPM driver in SPM start-up mode when a SPM is started up. At this time, a voltage selector applies, to a driver circuit, a voltage (high voltage) boosted by a voltage booster. A starter control circuit controls, during the period of an SPM start-up mod... | 01/11/2005 |
| 6811286 | Underwater lighting fixture with color wheel and method of control An underwater lighting fixture adapted for installation in a lamp receiving recess in the wall of a swimming pool. The fixture includes a lamp housing having a pair of reflector-mounted incandescent lamps mounted therein. A plate having a pair of a apertures is moun... | 11/02/2004 |
| 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 |
| 6748162 | Ventilation system for a motor vehicle A ventilation assembly for a motor vehicle comprising first and second motor fan units (1, 2) and a control device (5) adapted to vary the ventilation power (P1+2) developed by the assembly formed by the two motor fan units according to a de... | 06/08/2004 |
| 6737828 | Washing machine motor drive device A washing machine motor drive device drives a motor using an inverter circuit, which implements a constant torque control through a change in the torque-revolution speed characteristic of the motor. This facilitates an easy control of braking torque (negative torque... | 05/18/2004 |
| 6624605 | Method, system and apparatus for opening doors An improved garage door opener is disclosed. The garage door opener has a motor drive unit for opening and closing a garage door. The motor drive unit has a microcontroller. Connected to the motor drive unit is a wall console that resides inside the garag... | 09/23/2003 |
| 6534947 | Pump controller A method and apparatus for controlling an electric motor pump. The method includes the acts of providing an AC power signal having a positive half cycle and a negative half cycle, measuring the voltage of the AC power signal and generating a first two-sta... | 03/18/2003 |
| 6483267 | Auxiliary vehicular window recessing system A auxiliary vehicular window recessing system for providing a secondary means of recessing the electrically-controlled windows of a vehicle in the event of submergence in a body of water. The auxiliary vehicular window recessing system includes a secondar... | 11/19/2002 |
| 6147466 | Synchronization system for motors A synchronization system according to the present invention includes a signal generator that provides a "RUN" signal simultaneously to two or more windshield wiper motors in response to simultaneous receipt of position signals generated by the motors. Eac... | 11/14/2000 |
| 6107766 | Method of controlling an opposed type wiper apparatus and a control apparatus thereof There is provided a method for controlling an opposed wiping type wiper apparatus having a pair of wiper blades driven by a pair of motors, respectively. The wiper apparatus includes detecting means for detecting the angular position of the each wiper bla... | 08/22/2000 |
| 5644200 | Driving electrical machine speed controlled power combined system and device A combined driving structure is made up of an engine and an electrical machine. The engine is connected to the electrical machine through a clutch which allows the electrical machine to be used as a starting motor for the battery, and when the engine is s... | 07/01/1997 |
| 5642020 | Electric vehicle control device An electric vehicle control device for a plurality of vehicles connected in series to form a formation including a plurality of control devices, each being provided for one of the vehicles, respectively. Each of the control devices includes a PWM converte... | 06/24/1997 |
| 5568026 | Synchronizing windshield wipers Two windshield wiper blades are powered by separate electric motors. The blades overlap and when one blade is at its reversal point the other blade leaves part as the other blade begins to return to park. The position of the blades is encoded. The blades,... | 10/22/1996 |
| 5350982 | Motorized golf bag cart circuit and apparatus A motorized golf cart circuit and apparatus capable of transporting various golf related items including a golf bag carrying golf clubs around a golf course under manual or automatic control is provided. The cart operator is provided with the option of op... | 09/27/1994 |
| 5285139 | Method and device for controlling motor in a powered seat Method and device for controlling a motor in a powered seat, wherein one of normal and reverse drive signals from manual or auto switch is detected by a central processing unit, which in turn provides a first period of time defined between one point when ... | 02/08/1994 |
| 5272427 | Furnace control apparatus and method An electric control for gas furnaces which controls a two speed main blower fan and an induction draft fan based on inputs from a room thermostat, a high limit and an ignition control including a gas valve. The control has a circuit board having a power s... | 12/21/1993 |
| 5248922 | Multi-DSP, multi-functional motion controller A motion controller, which is adaptable to a variety of different motors, provides motor control signals to the motors of a multi-axis coordinated system as a function of position and velocity commands from a host computer. The motion controller configure... | 09/28/1993 |
| 4761589 | Mine hoist control method and apparatus A method of controlling a pair of hoist motors comprises delaying one about to raise a load while allowing the other to lower its load until a steady speed is reached, and then raising the load with the first motor. The regenerative current from the motor... | 08/02/1988 |
| 4489256 | Primary and secondary dynamic braking system A dynamic braking system is provided for electrically driven wheelchairs to slow the wheelchairs to a stop without needing to use a mechanical brake. A primary switch arrangement is provided for connecting resistors across the right and left wheelchair mo... | 12/18/1984 |
| 4334176 | Method of and means for controlling electrical devices In the control of two or more electrical devices powered by a common battery and each actuated by a separate controlled rectifier chopper circuit, at least one of which is an SCR chopper circuit, under high stress conditions requiring both electrical devi... | 06/08/1982 |
