Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 8143820 | Motor control device A motor control device operable to rotate a motor based on an actuated direction of an operation knob of an operation switch in a direction corresponding to the actuated direction has direction selector switches provided corresponding to respective actuated directio... | 03/27/2012 |
| 8143829 | Adaptive synchronous rectification of brushless DC motor back-EMF An embodiment of a disk drive power system is described. The system is operable such that during power interruption, the system taps electric power by rectifying the back-EMF generated across each winding of a DC motor and supplying power to a voice-coil motor to pa... | 03/27/2012 |
| 8143823 | Bidirectional different speed ratio electric motor driving device with bidirectional input The present invention discloses that the output end of the electric motor capable of being operated in bidirectional rotation is transmitted to the input end of different rotating speed ratio and direction output transmission device, and it is through the output end... | 03/27/2012 |
| 8143821 | Bidirectional unequal speed electric motor driven constant directional output system The present invention discloses that the output end of the bidirectional unequal speed electric motor being particularly used to provide bidirectional rotating input is transmitted to the input end of bidirectional same or different speed change ratio constant direc... | 03/27/2012 |
| 8143822 | Bidirectional unequal speed electric motor driven bidirectional output system The present invention discloses that the output end of the bidirectional unequal speed electric motor being particularly used to provide bidirectional rotating input is transmitted to the input end of bidirectional same or different speed change ratio output transmi... | 03/27/2012 |
| 8134312 | Motor control circuit and power window device A motor control circuit includes a manipulation unit, a control unit that drives a motor in a normal rotation direction or a reverse rotation direction, a catch detecting unit that detects a foreign substance caught in the opening and closing body, a first relay cir... | 03/13/2012 |
| 8120292 | Automated shade control reflectance module Automated shade systems comprise motorized window coverings, sensors, and controllers that use algorithms to control operation of the automated shade control system. These algorithms may include information such as: 3-D models of a building and surrounding structure... | 02/21/2012 |
| 8063591 | Motor driving device and method for making judgment on state of motor driving device The motor driving device includes a first function of supplying power to a motor so that the motor generates a driving force to drive a driven member, a second function of detecting a current flowing through the motor, a third function of performing a power supply c... | 11/22/2011 |
| 7940017 | Lock detection method and lock detection circuit for motor for power-folding mirror The present invention is intended to, when rotation of a mirror rotation unit in a power-folding mirror is mechanically locked and its drive motor is thereby locked, make it possible to correctly detect this locked state. A motor 10 for a power-folding mirror... | 05/10/2011 |
| RE42284 | Signaling techniques for DC track powered model railroads Electronic circuits and methods are provided for remote control of a locomotive in a model railroad layout having an interruptible DC power supply coupled to the railroad track. The locomotive motor is isolated from the track so as to allow use of polarity reversals... | 04/12/2011 |
| 7919942 | Front/rear wiper algorithm A wiper system for a vehicle includes a first wiper assembly, a second wiper assembly spaced apart from the first wiper assembly, and a controller in communication with at least one of the first wiper assembly and the second wiper assembly. The controller controls a... | 04/05/2011 |
| 7898195 | Motor drive device The present invention presents a motor drive device capable of detecting jamming accurately without falsely detecting jamming when a movable part contacts with other members. Jamming by a backrest is detected by judging whether the value of a period of one pulse P | 03/01/2011 |
| 7868568 | Motor driving device A motor driving device, which drives a DC motor, includes a motor driving unit, a status determination unit, and an initial value renewal unit. The motor driving unit repeatedly performs a change-over, wherein the motor driving unit changes an amount of a current in... | 01/11/2011 |
| 7733043 | Revolving door control system In a method and system for controlling a revolving door that has a plurality of chambers defined by wings of a revolver, at least one imaging sensor is provided for acquiring images of a first area where the plurality of chambers rotatably pass by or through. A driv... | 06/08/2010 |
| 7723934 | Method for controlling an automatic device for cleaning a surface immersed in liquid and corresponding cleaning device The invention relates to a method for controlling an automatic device for cleaning a surface immersed in liquid which comprises electric motors for driving a chassis along a cleanable surface. The inventive method consists in periodically measuring at least one elec... | 05/25/2010 |
| 7719215 | System and method for controlling motorized window coverings A system and method for controlling any number of devices, such as one or more window shades, using a control system that can be connected to a wall switch by using only two wires. The various embodiments of the present invention enable a user to control a shade whi... | 05/18/2010 |
| 7714525 | Reversing circuit for ice delivery system The present invention comprises a gear motor assembly and control system for use with ice crushers and the other similar devices. The assembly utilizes a novel reversing circuit which allows the use of a bidirectional DC powered gear motor in existing refrigerator a... | 05/11/2010 |
| 7646158 | Device for controlling opening/closing body for vehicle The rotating speed of an output shaft of a door opening and closing motor actuating a sliding door is monitored, and whether a fluctuation value of the rotating speed is equal to or more than a first determination threshold value is determined (step S310). A ... | 01/12/2010 |
| 7635960 | System and methods for automatically moving access barriers initiated by mobile transmitter devices An operator system and related methods for automatically controlling access barriers which includes a base controller associated with at least one access barrier and at least one base receiver associated with the base controller. The system also includes at least on... | 12/22/2009 |
| 7573215 | Actuating device for a movable component An actuating device for a movable component includes a reversible motorized drive for driving the movable component from a normal position into an open position, the movable component being uncouplable from the reversible motorized drive in its open position. The ac... | 08/11/2009 |
| 7538504 | Method of operation of a home-automation installation The method of operation is applied to an installation comprising an actuator supplied with an AC electric voltage and intended to drive a movable element equipping a building, in a first direction when the AC electric voltage is applied between a neutral conductor a... | 05/26/2009 |
| 7525266 | Inverter loop latch with integrated AC detection reset A first illustrative embodiment includes an actuator having both a Run state and a Hold state, the actuator including circuitry for detecting power supply abnormalities and causing the Run state to occur following a power supply abnormality. In another illustrative ... | 04/28/2009 |
| 7525265 | Drive motor reversal for a barrier operator or the like Methods and apparatus for reversing a drive motor for a barrier movement operator are disclosed. The operator senses the nature of a request for reversal and based on the nature of the sensed request performs one of a plurality of processes to reverse the motor.... | 04/28/2009 |
| 7518325 | System and method for controlling anti-pinch powered windows A system and method for an anti-pinch powered window system includes a window and a mechanical drive mechanism for raising and lowering the window. An electric motor drives the mechanical drive mechanism responsive to a command. A microcontroller unit generates the ... | 04/14/2009 |
| 7489095 | Adjustment of anti-pinch parameters according to voltage An anti-pinch control utilizes certain vehicle information to adjust anti-pinch parameters used to control movement of a powered closure member. The anti-pinch control determines whether a vehicle is stationary, and identifies if an engine is “on” or “off.” ... | 02/10/2009 |
| 7466090 | Apparatus, software and method for controlling the operation of a window covering Systems, methods, apparatus, computer readable mediums and propagated signals are provided for controlling the position, orientation, movement, configuration and/or operation of one or more window coverings, doors, vanes, filters or other apparatus. In one embodimen... | 12/16/2008 |
| 7459870 | Machine status interlock for reversing fan control The air circulation fan associated with a radiator of some machines may include an automatic reversing purge cycle that is utilized to dislodge material from the radiator and/or intake screen of the cooling system housing. The purge cycle is locked out when a person... | 12/02/2008 |
| 7449852 | Powered panel moving system A powered panel moving system includes a motor, electronic drive circuitry, mechanics, a coupler, and electronic anti-entrapment circuitry. The drive circuitry drives a rotor of the motor such that the rotor has a rotational output in response to being driven. The m... | 11/11/2008 |
| 7449851 | Arrangement for automatically influencing a mains supply and motor drive therefor The invention relates to an arrangement for automatically influencing a mains supply. A voltage transformer is provided as a pilot transformer which detects the real value of the voltage which is to be adjusted and which transmits said value to a motor drive via an ... | 11/11/2008 |
| 7439694 | Adjustable lectern system An adjustable lectern includes a base portion having a tubular upstanding base member and a tubular upstanding tower member that is mounted in a telescoping arrangement with respect to the base member. The base member and the tower member are each respectively forme... | 10/21/2008 |
| 7436136 | Camera based anti-pinch system An anti-pinch control system is used to identify obstructions in a path of movement for a powered vehicle member, such as a vehicle window for example. A pinching area is identified for the vehicle window and at least one indicium or indicator is mounted to a vehicl... | 10/14/2008 |
| 7432675 | Method of removing foreign particles from heat transfer surfaces of heat sinks A method of operating an apparatus for use with a computer, including a power source, a system board, and a heat sink. The method includes operating a fan reversing control card, which is coupled to the system board, to generate normal and reverse cycle rotation sig... | 10/07/2008 |
| 7425805 | Three-in-one control device for a ceiling fan A three-in-one control device for a ceiling fan includes a signal receiving module, which is able to receive segmented controlled signals, stepless controlled signals and wireless controlled signals respectively, for transmitting controlled signals to a micro comput... | 09/16/2008 |
| 7423400 | System and method for controlling velocity and detecting obstructions of a vehicle lift gate A system and method for controlling a rotational closure system, such as a lift gate, of a vehicle may include sensing an angle of the rotational closure system, generating a drive signal, driving a drive mechanism with the drive signal to output a mechanical force ... | 09/09/2008 |
| 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 |
| 7397208 | Winding control method of seatbelt retractor and seatbelt device A winding control method of a seatbelt retractor for winding a seatbelt with a motor includes detecting a current flowing through the motor, and stopping the motor when the current exceeds a predetermined value. The winding action is not stopped while the motor is a... | 07/08/2008 |
| 7397209 | Actuator An actuator includes a cylinder, a piston that is disposed in the cylinder and moves by supply and exhaust of working oil to and from the cylinder, a movable rod that is connected to the piston, a screw shaft, at least a part of which is inserted into the movable ro... | 07/08/2008 |
| 7388339 | Adjustment device and method for operation of a final control element An adjustment device as well as a corresponding method for operation of the final control element in a motor vehicle are specified. In this case, a motor is provided for operation of the final control element, a sensor element is provided for detection of a paramete... | 06/17/2008 |
| 7382104 | Backpack style power-pack with flexible drive and quick connect power take-off for connection to a variety of powered tools The present invention relates to portable powered devices or tools for residential, commercial, or industrial applications, in which the power source may be carried on the back of the individual user, power is transferred via a flexible drive shaft, and the powered ... | 06/03/2008 |
| 7370905 | Door-opening/closing apparatus The door-opening/closing apparatus includes a door, a driving unit that drives the door to close the door, a door movement detection unit that detects a movement of the door, an electrostatic switch that is mounted on the door for detecting a human's touching the do... | 05/13/2008 |
