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| Number | Title | Issue Date |
| 7477036 | Motor-driven power steering apparatus In a motor-driven power steering apparatus for converting rotation of an electric motor into a linear stroke of a rack shaft by an interposition of a power transmission mechanism and steering a tire wheel connected to the rack shaft, there is provided a motor slip d... | 01/13/2009 |
| 7474071 | Electric motor regulation with controlled error intercept A motor is controlled by a motor control signal so that it reaches a target state, which is derived from sensor data sensed by a sensor. The motor can be put into a rest state at the occurrence of an error in simple and efficient manner by means of a safety means ge... | 01/06/2009 |
| 7334791 | Electronic die An ostensibly solid electronic die presents visual and/or sound effects when in use. Unlike known electronic dice, the disclosed electronic die retains the weight, feel and ruggedness of conventional non-electronic dice. The die includes an outer shell defining its ... | 02/26/2008 |
| 7298109 | Electric power steering apparatus, and method for detecting abnormality of angle detector thereof An electric power steering apparatus which comprises: an angle detector for outputting a sine wave signal and a cosine wave signal corresponding to a rotor position of a brushless DC motor; and a torque detector for detecting a steering torque applied to a steering ... | 11/20/2007 |
| 7134360 | Vehicle steering wheel A vehicle steering wheel comprises a hub and several switches The switches are integrated in a common housing which is secured to the hub. ... | 11/14/2006 |
| 7078915 | Angular position sensor for rotating components such as steering columns A semi-circular dielectric rotor is attached to a steering column for rotation with the steering column. Straddling the rotor but not contacting it are an excitation electrode member which generates an electric field and a receiver electrode member that outputs sign... | 07/18/2006 |
| 7065442 | Automatic slowdown control apparatus for a vehicle An automatic slowdown control apparatus for a vehicle is disclosed wherein automatic slowdown control can be ended appropriately and automatic slowdown is prevented from being performed excessively on a road of an ascending gradient. The automatic slowdown control a... | 06/20/2006 |
| 7044021 | Steering device for a motor vehicle A steering device for a motor vehicle comprises a stationary skeleton which has an essentially arc-shaped skeleton section, and an actuation member that is movably mounted on the skeleton section and that has two contact sections essentially opposite from each other... | 05/16/2006 |
| 7036240 | Master steering check fixture A fixture and method for checking whether a steering column alignment mark is properly placed. The fixture includes a wheel member that is affixed to a spline adaptor and that includes a plurality of surface alignment indicators. The fixture is rotatably linked to t... | 05/02/2006 |
| 7035726 | Steering characteristic control apparatus and method for a vehicle A steering characteristic control apparatus and method for a vehicle is disclosed which can carry out behavior control of the vehicle regarding a steering characteristic and so forth appropriately in accordance with the type of turning and the road surface situation... | 04/25/2006 |
| 7017905 | Electronic die An electronic die capable of exhibiting visual and/or sound effects is disclosed. The die retains the conventional dice-action aspect of being rolled to randomly select an upwardly facing facet. The electronic components provide entertainment effects. Electronic dis... | 03/28/2006 |
| 6941207 | Steering angular velocity detecting device Operates steering angular velocity in first steering angular velocity calculating unit and second steering angular velocity calculating unit, by using steering angle signal from steering angle generating unit, and outputs steering angular velocity by switching them ... | 09/06/2005 |
| 6825635 | Vibration isolator, device manufacturing apparatus and method, semiconductor manufacturing plant and method of maintaining device manufacturing apparatus A vibration isolator includes a vibration isolation platform, a vibration sensor installed on the vibration isolation platform, and an angle sensor for sensing an inclination angle of the vibration isolation platform. A detection signal from the vibration sensor is ... | 11/30/2004 |
| 6608457 | System for controlling electric power steering A problem to be solved by the present invention is that, in a conventional system for controlling electric power steering, as the number of revolutions of a motor is increased, an assist force decreases, resulting in faulty steering response. For solving ... | 08/19/2003 |
| 6577030 | Electric power steering apparatus An electric power system having an electric motor, a speed-reduction mechanism, a power board on which components generating heat are mounted, a control board on which components generating little heat are mounted, a circuit case, and a heat sink for diss... | 06/10/2003 |
| 6320336 | Bicycle with power assisting function A bicycle with a power assisting function has an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces, a battery for supplying electric energy to the electric motor, a treading force detecting circuit for det... | 11/20/2001 |
| 6314341 | Method of recording trajectory data and sensor data for a manually-driven vehicle A method of recording trajectory data and sensor data for a vehicle while it is manually driven. The trajectory data comprises of the trajectory length and vehicle frame (position and orientation) that are calculated at each motion execution interval. The... | 11/06/2001 |
| 6285153 | Method and system for adjusting headway in an adaptive speed control system based on road surface coefficient of friction In an adaptive speed control system for a vehicle, a method and system for automatically adjusting a selected following interval for the vehicle based on driving conditions is provided. The method includes determining a driving surface coefficient of fric... | 09/04/2001 |
| 6278922 | Device for controlling the steering angle of a vehicle A device for controlling the steering angle of a vehicle over a wide range maintaining improved control precision. The device controls the steering angle θd through a steering drive device 10 so as to come in agreement with a target angle θ0. A steering... | 08/21/2001 |
| 6236178 | Method for limiting the hydraulic maximum pressure of a power-assisted steering system The object of the present invention is to provide a method for limiting the hydraulic maximum pressure of a power-assisted steering system, which permits effective pressure limitation and thus protects the individual elements of the power-assisted steerin... | 05/22/2001 |
| 6208106 | Method and system for adjusting headway in an adaptive speed control system based on road surface coefficient of friction In an adaptive speed control system for a vehicle, a method and system for automatically adjusting a selected following interval for the vehicle based on driving conditions is provided. The method includes determining a driving surface coefficient of fric... | 03/27/2001 |
| 6198242 | Powered sliding device for vehicle slide door The present powered sliding device comprises a wire drum, a motor for rotating the drum, and a clutch means provided between the drum and the motor. The clutch means has a coupled state for rotating the drum, an uncoupled state, and a brake state. The clu... | 03/06/2001 |
| 6160370 | Safety device for automobile power window system A pair of capacitors are provided at a window sash or a window glass edge. Each capacitor is connected to two variable phase delay generators in parallel. Selectors are inserted between the capacitors and variable phase delay generators. Each selector alt... | 12/12/2000 |
| 6153996 | Steering device with an actuating ring A steering device for a motor vehicle is proposed, with an actuating member to introduce a steering movement and with a steering linkage to transfer the steering movement to the wheels. The steering device is characterized according to the invention in that th... | 11/28/2000 |
| 6131059 | Steering angle middle point detecting device and power steering apparatus The present invention provides a steering angle middle point detecting device which does not need a torque sensor, can detect a steering angle middle point with high precision without being affected by driving habits of drivers and road conditions, and ca... | 10/10/2000 |
| 6068078 | Electric steering system An electric steering system (10) includes a power source (34) and an electric motor (28) which provides an auxiliary steering force in response to a large capacity capacitor (C1) being selectively connected to the power source (34), for charging the large... | 05/30/2000 |
| 6064166 | Power steering apparatus A power steering apparatus is provided, which is adapted to generate a steering assist force by a hydraulic pressure of a pump driven by an electric motor. The apparatus includes: a vehicle speed sensor for sensing a vehicle speed; and a control circuit f... | 05/16/2000 |
| 6037727 | Device for automatically controlling the closure of a sliding door for a vehicle A vehicular slide door open-close control apparatus for opening a slide door installed at a side of vehicle body by means of the drive source such as a motor and the like. The purpose of the apparatus is to reduce a burden applied to the slide door moving... | 03/14/2000 |
| 5959421 | Motor direction control device for electromotive vehicles A motor direction control device id used for electromotive vehicles which has an electric motor adapted to cause the vehicles to move forwards and backwards. The motor direction control device includes a direction control level shiftable from a neutral po... | 09/28/1999 |
| 5955878 | Circuit for multiplying resolution and for determining the direction of displacement A multipole magnetic encoder is movable past two fixed analog sensors delivering sinusoidal signals (S1, S2) phase-shifted by π/2. A generator produces 2n sinusoidal signals (Si) of the same amplitude (A) as the signals (... | 09/21/1999 |
| 5920174 | Control apparatus of electric power steering apparatus A control apparatus of an electric power steering apparatus capable of firmly detecting an abnormality of a torque detection value, caused by a drift occurred in a torque sensor and by a connector contact resistor, with a simple arrangement. A current sup... | 07/06/1999 |
| 5907277 | Device for detecting a counter-steer condition Provided is a counter-steer condition detecting device which is suited to be used in combination with steering control systems based on the control of the magnitude of the effort required for the vehicle operator to steer the vehicle depending on the beha... | 05/25/1999 |
| 5894206 | Electric power steering apparatus An electric power steering apparatus includes a control unit for controlling a motor drive circuit which drives an electric motor on the basis of a steering torque signal supplied from a steering torque sensor. The control unit includes a center value com... | 04/13/1999 |
| 5818178 | Valve control apparatus for an automobile In a valve control apparatus for an automobile, an H-bridge type chopper main circuit 4 is operated by a control signal PWM from a microcomputer 1 to thereby drive a motor 9 for controlling a throttle valve 10. The power element current from the chopper m... | 10/06/1998 |
| 5767644 | Steering wheel position detecting device of vehicle steering system A steering wheel position detecting device of a vehicle steering system including a first ring-shaped track defining a space centered on a center of the steering wheel and a first ball provided within the first track for detecting a right turn of the stee... | 06/16/1998 |
| 5739657 | Apparatus for controlling motion of normal wheeled omni-directional vehicle and method thereof A controlling apparatus for representing the motion of a normal wheeled omni-directional vehicle (ODV) in a relative coordinate system, and for effectively controlling the ODV and a controlling method thereof. Drive wheels are connected to four corners of... | 04/14/1998 |
| 5729107 | Control device for an electric actuator of a steering system In a control device for an electric actuator of a steering system of a vehicle, the amount of power assist provided by the electric actuator of the steering system is appropriately diminished when the steering wheel is turned more than appropriate under t... | 03/17/1998 |
| 5670854 | Control system for an induction motor A control system for an induction motor of the present invention independently commands the torque current component and the exciting current component of a stator current group supplied to the stator of an induction motor so as to feed-back control the a... | 09/23/1997 |
| 5652487 | Electric power steering controller with failure detecting function In a electric power steering controller, an output signal of motor driving direction discrimination means is compared with a driving direction discrimination processing result to detect a failure of the motor driving direction discriminator in accordance ... | 07/29/1997 |
| 5650701 | Electrically operated power steering apparatus An electrically operated power steering apparatus has a housing, a pinion rotatably supported in the housing, the pinion being adapted to be connected to a steering shaft, a rack shaft axially movably disposed in the housing and held in mesh with the pini... | 07/22/1997 |
