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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7362068 | Closing member control system A controller reduces an output of the drive motor when a window glass reaches a speed shift position, which is between a fully open position and a fully closed position of the window glass, in a closing operation of the window glass. The controller increases the out... | 04/22/2008 |
| 7359783 | Method of detecting obstructions caused by motor-driven power windows and similar devices using fuzzy logic algorithms The mobile element is a vehicle window pane, panel, movable seat or similar, conveniently guided, and driven by a DC electric motor with a permanent magnet, and the method comprises a step of detecting an entrapment or collision situation of the mobile element by me... | 04/15/2008 |
| 7250736 | Opening and closing member control system A motor drives a window glass of a door of a vehicle in an opening direction and a closing direction. A rotation sensing device outputs a pulse signal in response to rotation of the motor. A controller senses pinching of an object by the window glass based on the ro... | 07/31/2007 |
| 7196486 | Apparatus for detecting obstacle to power regulated window An apparatus for detecting an obstacle to a power regulated window, which can detect existence of an obstacle by a method of differential current at low rotating speed of a motor and reduce a force of biting an obstacle and prevent from detecting an obstacle unexpec... | 03/27/2007 |
| 7192374 | System and method for controlling a continuously variable transmission A method of controlling a continuously variable transmission includes sensing an output speed of a motor, determining an upper speed limit based on the output speed of the motor and a positive torque limit associated with the motor, determining a limited motor speed... | 03/20/2007 |
| 7102313 | Apparatus and method for providing protection to electric traction motor of vehicle An apparatus provides protection to an electric traction motor of a vehicle. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled with a first set of road wheels. The second powertrain includes the ele... | 09/05/2006 |
| 7073291 | Device for automatically controlling opening and closing of a vehicle slide door A device for automatically controlling a slide door for a vehicle, wherein the slide door is adapted to open and close along a guide track installed in a vehicle body, the device having a door drive device, a motor load detection device, a door position detection de... | 07/11/2006 |
| 7070013 | Decentralized power supply system for a vehicle A motor vehicle has a plurality of electric consuming devices and a power supply system for supplying the electric consuming devices with electric energy. The power supply system has a decentralized construction and, for supplying electric energy to at least one ele... | 07/04/2006 |
| 7064507 | Managing wheel skid in a locomotive The present invention is directed to the termination of the occurrence of wheel slip/skid and prediction and prevention of the onset of wheel slip/skid in a locomotive. In one configuration, a lookup table of adhesion factors is used to predict the occurrence of whe... | 06/20/2006 |
| 7047583 | Washing machine and method of controlling the same A washing machine which washes laundry by wobbling a washing board mounted on an inner surface of a bottom of a spin-drying tub, and a method of controlling the same. The washing machine includes a weight detection unit and a control unit. The weight detection unit ... | 05/23/2006 |
| 6949904 | Power actuated seat Embodiments of the present invention provide methods and apparatus for controlling seats and for monitoring behavior of power-actuated seats. Certain embodiments permit seat occupancy data, e.g., whether the seat is occupied or a weight-dependent characteristic of t... | 09/27/2005 |
| 6943511 | Electronic industrial motor operator control system This invention discloses an electronic control system for an Industrial Motor Operator that uses standard steady state logic to improve reliability in rough service wet and dirty environments. It includes means of providing electronic snow limit to close limit sensi... | 09/13/2005 |
| 6933694 | Control for electric motor in vehicles A control for an electric motor in a vehicle. The control ascertains whether an obstacle is interfering with rotation of the motor. The control establishes a baseline speed, representing normal free running speed of the motor. This baseline speed will be different, ... | 08/23/2005 |
| 6909253 | Rotation speed control apparatus of open close body for vehicle and rotation speed control method of the same A controller PWM control an opening and closing motor (16) of an opening and closing means, increases a duty ratio of the PWM control according to a given increasing rate just after starting the opening and closing motor (16), reducing the duty ratio t... | 06/21/2005 |
| 6864652 | Drive system for automotive vehicle of front-and-rear wheel drive type A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism for drive of a set of front road wheels and an ancillary drive mechanism for drive of a set of rear roar wheels, wherein the front road wheels are d... | 03/08/2005 |
| 6836088 | Motor driving circuit A motor driving circuit includes a window opening switch, a window closing switch, an auto switch, a motor which opens and closes a window by driving rotating operation, a charging circuit which charges one capacitance element by a first CR time constant upon operat... | 12/28/2004 |
| 6825629 | Method of controlling a wiper motor A method and a device for controlling a wiper motor of a motor vehicle. A rain sensor sends signals to a control device and the wiper motor is switched off when a first threshold is exceeded or is not reached. After a defined time period after switching off the wipe... | 11/30/2004 |
| 6794840 | Motor control method and motor control apparatus An edge detector 15 of an ASIC 3 detects a pass timing signal indicating a timing in which slits of a slit plate pass light emitting and receiving elements of a photo interrupter, and the rotation direction of a transfer roller based on phase-A and pha... | 09/21/2004 |
| 6617812 | Electrically moving apparatus for moving a movable member An electrically moving apparatus for moving a movable body includes a security mechanism for detecting an abnormal increase of a load applied to the movable body during the movable body being moved by an operation of an electric motor. The electrically mo... | 09/09/2003 |
| 6555982 | Method and system for detecting an object in the path of an automotive window utilizing a system equation The presence of an object in the path of an automotive vehicle window is detected. This is accomplished by sensing or observing a system variable, such as speed or motor current, and comparing this measured value to a predicted limit value of the system v... | 04/29/2003 |
| 6445151 | Controller for motor-driven power steering mechanism In a controller for a motor-driven power steering mechanism, a motor control section outputs to a drive circuit a control signal corresponding to a torque command output from a torque calculation section. A digital signal processor receives the control si... | 09/03/2002 |
| 6437530 | Method for electronic surveillance and control of the opening and closing procedure for electrically operated units A method for the electronic monitoring and control of the opening and closing operation of electrically operated aggregates, particularly of window lifters and sunroofs in motor vehicles, is described. A regulating unit of the aggregate is connected to a ... | 08/20/2002 |
| 6362584 | Virtual sensor for window position The present invention discloses a novel method and apparatus for determining the position of a window glass in an aperture window as between one of two or more regions. Further, the present invention discloses a method and apparatus for determining the di... | 03/26/2002 |
| 6335602 | Squeeze protection system A squeeze protection system for movable parts of a vehicle, includes an operating switch for one or several parts to be moved, one or several actuators assigned to the operating switch, a control device for the actuator or the actuators which receives a s... | 01/01/2002 |
| 6329779 | Obstacle detection method for a motor-driven panel An improved method of detecting the presence of an obstacle in the path of a motor-driven panel by computing the slope of a measured motor speed signal in a way that cancels the effect of periodic undulation of the speed signal, and comparing the computed... | 12/11/2001 |
| 6297609 | Obstruction detecting method for the use in power window apparatus, and power window apparatus An pinching detecting method for use in a power window apparatus, capable of preventing a malfunction even if a normal pulse edge interval is unobtainable, and of preventing a force exceeding a reference value from acting on an object pinched into a windo... | 10/02/2001 |
| 6069460 | Method for controlling an electro-hydraulic power assist steering system A method is provided for controlling an electro-hydraulic power assist steering system including a variable-speed electric motor for pumping hydraulic fluid in the system. The method includes monitoring vehicle speed, vehicle steering wheel angle, and veh... | 05/30/2000 |
| 6064165 | Power window or panel controller A controller for energizing a power-operable element, such as a sunroof, window, door, vehicle seat, a component of a major appliance or of a machine or of a conveyor system. The disclosed controller senses both hard and soft obstructions and de-activates... | 05/16/2000 |
| 5917688 | Centrifugal apparatus with protection A centrifugal apparatus is disclosed which includes a rotor, a motor, a speed signal generator, including a disc having alternate reflective and non-reflective stripes, for generating a rotating speed signal of the rotor, a microprocessor (mpu), an analog... | 06/29/1999 |
| 5883481 | Control system for electric vehicle A control system for an electric vehicle includes an accelerator opening detecting device for detecting a position of an accelerator, and an output command value calculating device connected to the accelerator opening detecting device for calculating an o... | 03/16/1999 |
| 5796221 | Overload detector for servo driven machines A controller for detecting abnormal operating conditions of a continuous motion machine such as a packaging machine. The acceleration and velocity of motors for the various axes of the machine are examined by the controller and rapid deceleration or a mor... | 08/18/1998 |
| 4953053 | Method and apparatus for detecting mechanical overload of a hoist A hoist for raising and lowering objects with an apparatus for detecting mechanical overload of the hoist. The system provides a hoist having an alternating current motor connected to an alternating current power supply. The level of current of the power ... | 08/28/1990 |
| 4888813 | Electronic speed control interlock A motor controller for use on a treadmill to prohibit the treadmill from operating at a high speed immediately upon energization. The controller uses solid state circuitry in a motor speed circuit with a speed setting potentiometer set by the user. The sy... | 12/19/1989 |
| 4887307 | Speed control apparatus for electric motor A speed control device for an electric motor having a rotation speed and driven by a power source and including components for producing a counter value from the rotation speed of the motor, components for comparing the counter value produced from the pro... | 12/12/1989 |
| 4325014 | Automatic control unit for a wind-following rotor A control unit for automatically controlling the angular position of a reversible, motorized device, such as an antenna rotor, in response to a signal from an external sensor, such as a potentiometer coupled to the rotating shaft of a windvane. The unit i... | 04/13/1982 |
| 4305028 | System for evaluating the capability of a work-performing robot to reproduce a programmed series of motions A system for evaluating whether a work-performing robot can perform a series of programmed motions is disclosed which includes means for continuously comparing the velocity of the various links of a robot simulator, which is manually moved through the seq... | 12/08/1981 |
| 4260937 | Speed sensitive field weakening control for traction motors Disclosed herein is a control for a direct current motor including a field weakening solenoid switch including a solenoid coil, which control includes an electronic switch connected in series with the coil for selectively connecting the coil to a source o... | 04/07/1981 |
| 4128792 | Control and protection of brushless synchronous motors Apparatus for controlling the starting of a three-phase, salient pole, synchronous motor employs a signal representing slip frequency obtained from a power sensor connected to the motor supply. It requires no connection to the field coil or to other motor... | 12/05/1978 |
| 4076999 | Circuit for limiting the spindle speed of a machine An apparatus for insuring that the rotational speed of a spindle on a machine is prevented from exceeding a selected programmed speed. The apparatus is comprised of means for continuously receiving pulsed signals indicative of the instantaneous rotational... | 02/28/1978 |
