...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 6548974 | Method for monitoring and influencing an electric motor The invention relates to a process for monitoring and controlling an electric motor, in particular one that is present on a movable object on a motor vehicle, such as a window or sunroof. The invention resolves the technical problem of reliably recognizin... | 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 |
| 6538405 | Accessory control system The invention concerns an accessory control system for automobiles. The apparatus integrates the user controls, the power switches that drive the accessories and motors for the accessories, and feedback from the accessories to allow the control system to ... | 03/25/2003 |
| 6528961 | Movable barrier operator having force and position learning capability A movable barrier operator includes a wall control switch module having a learn switch thereon. The switch module is connectable to a control unit positioned in a head of a garage movable barrier operator. The head unit also contains an electric motor whi... | 03/04/2003 |
| 6504331 | Drive mechanism for transaction printer A compact drive mechanism for both driving a paper web and severing a printed receipt in a transaction or point-of-sales printer. Both driving the paper web and cutting the printed receipt is accomplished through a bi-directional stepper motor that is ope... | 01/07/2003 |
| 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 |
| 6469462 | Control apparatus for electric vehicle A control apparatus for an electric vehicle is provided, which is capable of reducing the weight of the electric vehicle and preventing the inverter circuit from overheating. When the vehicle stops on an uphill due to stalling, the control unit 30 starts ... | 10/22/2002 |
| 6459224 | Zone control method in roller conveyor and zone controller In a roller conveyor system for carrying out zone control, a conveyed article can be stopped in an approximately constant position without varying the position where the article is stopped in a desired control zone even if the weight of the article varies... | 10/01/2002 |
| 6456027 | Closing device with a safety function In a closing device, in particular for a motor vehicle window or sunroof, having a drive motor (4) for pushing a closing element such as a window pane or roof panel across an opening to be closed, a sensor (3) for detecting a force acting on the closing e... | 09/24/2002 |
| 6452351 | Method and system for detecting an object caught in the path of an automotive window using a piezoelectric torque sensing device A method and system for detecting the presence of an object caught between an automotive window and its respective frame includes a sensor mounted on a drive motor that drives a regulator to move the window upward and downward. The sensor senses a resisti... | 09/17/2002 |
| 6445152 | Door control system Method of controlling a motorized door by offloading the burden to a separate motion control processor. The method includes generating, in a central processor for the door, one or more signals indicative of a predetermined door speed profile for a stroke ... | 09/03/2002 |
| 6445150 | Software-driven motor and solenoid controller An apparatus and method for controlling electrical devices such as electric trains using a computer is disclosed. The invention utilizes standard ports that appear on most computers, and works with standard well-known widely commercially available train s... | 09/03/2002 |
| 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 |
| 6437528 | Method for standardizing the pane position of a vehicle window lifter actuated by external force The invention relates to a method for standardizing the pane position of an external force actuated vehicle window lifter wherein the window pane is moved by means of the drive of the window lifter into a closed position provided with a seal and this clos... | 08/20/2002 |
| 6433503 | Synchronous motors and control circuits therefor Hall ICs 23u, 23v and 23w are provided to detect the magnetic fields of magnetic regions 8 of a rotor 9 and are offset in position by an electrical angle of 30° from central positions of a U-phase stator pole 1, V-phase stator pole 6 and W-phase stator p... | 08/13/2002 |
| 6433498 | Head rail-mounted actuator for window coverings A mini-blind actuator has a motor and a housing that holds the motor and a dc battery. The rotor of the motor is coupled to the baton of the mini-blind for rotating the baton and thereby opening or closing the slats of the mini-blind. Alternatively, the r... | 08/13/2002 |
| 6433500 | Vehicle window position sensor An apparatus (10) for detecting a window open condition comprises a first photoelectric cell (60) mountable to the window (20) for providing a reference output signal (61) independent of the window open condition. The apparatus (10) also comprises a secon... | 08/13/2002 |
| 6417636 | Power window device In a power window device, a DOWN switch has first and second switches in a power window circuit located in a door for a window of a passenger's seat. A normally-closed contact of the first switch and a remote UP terminal of the power window circuit to whi... | 07/09/2002 |
| 6392377 | Motor control apparatus and motor control method A motor control apparatus is arranged to drive and control a motor for transmitting the rotating force of the motor through a gear train. In reversing the rotation of the motor, the motor is caused to rotate at a speed higher than a normal rotation speed ... | 05/21/2002 |
| 6384555 | DC motor driving apparatus One terminal 3a of the DC motor 3 is connected to the power supply terminal 301, and the other terminal 3b of the DC motor 3 is connected to the ground terminal 302 through the FET 1. The FET 2 is connected between the terminal 3a and terminal 3b of the D... | 05/07/2002 |
| 6369537 | Device for displacing movable parts on motor vehicles A device for displacement of a movable part on motor vehicles such as sliding roofs, windows or the like including an electrical servomotor permanently mechanically coupled to the movable part and a supply circuit adapted to operate the electrical servomo... | 04/09/2002 |
| 6366041 | Railway switch machine motor control apparatus A motor control apparatus for a reversible motor of a railway switch machine includes a conditional power source having an output voltage. A motor control circuit includes inputs for inputting the voltage from the power source, inputs for inputting a norm... | 04/02/2002 |
| 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 |
| 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 |
| 6335601 | Wiper control device A wiper control device suitable used for controlling the wiper apparatus possible to solve a difference in the wiping range caused by the difference in the operation speed (inertial force) of the wiper blade by using the wiper linkage provided with an ecc... | 01/01/2002 |
| 6321030 | DC motor controller with full-wave rectified AC for motor drive power A controller using rectified AC voltage to drive a DC motor. A first rectified produces a waveform that passes through zero voltage in synchronization with the A.C. supply voltage. The first rectified voltage is applied to the D.C. motor. A second rectifi... | 11/20/2001 |
| 6316890 | Hand controlled motor driven oscillating device A hand-controlled motor-driven oscillating device having an elongate casing, an electric motor having an output shaft, and an oscillating unit having an output shaft and being connected in drive terms to the output shaft of the electric motor. The electri... | 11/13/2001 |
| 6308461 | Method and system for detecting an object in the path of an automotive window utilizing a piezoelectric sensor A method and system for detecting the presence of an object caught between an automotive window and its respective frame is provided. The window opens and closes via a regulator driven by an electric drive motor. A force is sensed at an interface between ... | 10/30/2001 |
| 6305123 | Obstruction sensing a signal transmitted across window In a first embodiment, a vehicle window obstruction system incorporates a conductive coating placed on the window. Such coatings are known for use in defrost systems. A voltage source is connected to the conductive coating, such that an electrical charge ... | 10/23/2001 |
| 6288517 | Hardware multiphase sinewave generator A method and circuit for controlling motors utilizing a multiple-phase sinusoidal signal generator (80) with control inputs (71,72,76) for determining motor (84) speed and direction. The multiphase sinewave generator has a synchronous-digital state machin... | 09/11/2001 |
| 6285147 | Actuator for electrical switching device An operating device for operation of an electric switching device comprising a motor and a carrier, which includes a driving part and a driven part, whereby the motor, via the driving part transmits a movement to the driven part, which is in mechanical co... | 09/04/2001 |
| 6281647 | Power window apparatus The power window apparatus has a driver's seat side window operating unit and passenger seat side window operating units that have window open/close motors. Each of the window operating units has a window open switch, a window close switch, motor drive me... | 08/28/2001 |
| 6265843 | Detection of saturation status for non-synchronous incremental actuators using a variable position estimate window A method for controlling non-synchronous actuators using a first and second estimate of the position of the actuator to create a variable position estimate window between which the actual position of the actuator is always bound. The first and second esti... | 07/24/2001 |
| 6255790 | Vehicle seat with a control device A control device, disposed in or on a vehicle seat, which has a pickup for detecting seat occupation, a pickup for detecting a position of the vehicle seat, a common control circuit, and an energy supply for the control circuit. The pickup for detecting s... | 07/03/2001 |
| 6252364 | Method and apparatus for unlatching an actuator A method and apparatus for releasing an actuator from a latched position. A voice coil motor is operably coupled to the actuator which is held by a latch in a latched position. The voice coil motor is provided with a first current signal of increasing mag... | 06/26/2001 |
| 6253135 | Power window regulator for automobiles A power window regulator is disclosed comprising a regulator computer having a processor and a memory connected to a switch and/or main automotive computer and to a plurality of window processors connected to a window sensor and a window drive unit.... | 06/26/2001 |
| 6249098 | Wiper control apparatus and method capable of variably adjusting wiper blade motion A wiper blade wipes over a predetermined range of a front windshield in response to rotation of a wiper motor in a forward and reverse directions. The wiper blade operates in a wiping range between a predetermined upper reversing position and a predetermi... | 06/19/2001 |
| 6246199 | Automotive convertible top system This invention relates to a system and method for monitoring and controlling the operation of a motorized convertible top such that it may be extended and retracted automatically. The system and method of the present invention monitors the movement of the... | 06/12/2001 |
| 6246195 | Method and apparatus for lowering a power window A method and apparatus for lowering a power window for vehicles is provided. In order to provide a method for lowering a power window which is improved with respect to the lowering movement of the window, system slacks are first determined in an operating... | 06/12/2001 |
| 6243006 | Safety device for motor-operated systems A safety device for externally driven systems for protecting the movement of a system component against undesired collision with an object lying in the movement path of the system component is described, the system component to be monitored being capable ... | 06/05/2001 |