Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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 |
| 8068325 | Method and apparatus for moving material A method and apparatus for moving magnetic material includes an electromagnet for lifting the magnetic material where upon its release, the residual magnetic flux of the lifted magnetic material is reduced. The apparatus includes a generator coupled to the electroma... | 11/29/2011 |
| 8059381 | Method and apparatus for controlling a lifting magnet of a materials handling machine A magnet controller supplied by a DC generator controls a lifting magnet. Four transistors, forming an H bridge, allow DC current to flow in both directions in the lifting magnet. During “Lift”, full voltage is applied to the lifting magnet. During “Drop”, r... | 11/15/2011 |
| 8004814 | Method and apparatus for controlling a lifting magnet supplied with an AC source A magnet controller supplied by an AC source controls a lifting magnet. Two bridges allow DC current to flow in both directions in the lifting magnet. During “Lift”, relatively high voltage is applied to the lifting magnet until it reaches its cold current. Then... | 08/23/2011 |
| 8000078 | Method and apparatus for controlling a lifting magnet supplied with an AC source A magnet controller supplied by an AC source controls a lifting magnet. Two bridges allow DC current to flow in both directions in the lifting magnet. During “Lift”, relatively high voltage is applied to the lifting magnet until it reaches its cold current. Then... | 08/16/2011 |
| 7929268 | Magnetic levitation apparatus An exciting voltage arithmetic portion calculates an exciting voltage of an electromagnet using a signal of a gap sensor. On the other hand, a sensorless exciting voltage arithmetic portion calculates an exciting voltage of the electromagnet using a signal of the cu... | 04/19/2011 |
| 7791856 | Method and apparatus for moving material A method and apparatus for moving magnetic material includes an electromagnet for lifting the magnetic material where upon its release, the residual magnetic flux of the lifted magnetic material is reduced. The apparatus includes a generator coupled to the electroma... | 09/07/2010 |
| 7697253 | Method and apparatus for controlling a lifting magnet of a materials handling machine A magnet controller supplied by a DC generator controls a lifting magnet. Four transistors, forming an H bridge, allow DC current to flow in both directions in the lifting magnet. During “Lift”, full voltage is applied to the lifting magnet. During “Drop”, r... | 04/13/2010 |
| 7505243 | Magnetic levitation apparatus A magnetic levitation apparatus supports a magnetic element in a magnetic field. A control system controls a variable magnetic field to maintain the magnetic element at an equilibrium location relative to an unstable axis. In some embodiments the variable magnetic f... | 03/17/2009 |
| 7495879 | Solid-state magnet control A solid-state magnet control includes a housing and magnet control circuitry mounted within the housing. The magnet control circuitry includes an insulated gate bipolar transistor (IGBT) bridge configuration and DUMP circuitry. The ... | 02/24/2009 |
| 7415971 | Control circuit for an actuator In a control circuit for at least one actuator, in particular for a capacitive actuator of an injection system of an internal combustion engine, a control current can be applied to the actuator. The control circuit has an inductor, e.g., having a core and hav... | 08/26/2008 |
| 7371303 | Fastening device for fastening small components to a mounting surface by adhesive bonding A fastening device for fastening a small component, in particular a stud provided with an adhesive flange, to a mounting surface using a heat-activated adhesive that creates an adhesive bond between the component and the mounting surface, has an induction coil to he... | 05/13/2008 |
| 7304852 | Inverter apparatus An inverter assembly including a storage compartment for multiple cables adapted to be releasably connected to the inverter. A body of the inverter assembly includes interior and exterior fins for the dissipation of heat energy. ... | 12/04/2007 |
| 7262950 | Relay device having holding current stabilizing and limiting circuit A relay device includes plural relay units, each having a coil for opening/closing a contact point, a base plate made of resin and having wiring metal pieces, and a control circuit mounted on the base plate for controlling current supply to the coil. The control cir... | 08/28/2007 |
| 7245471 | Discharge device for inductive devices A method and apparatus for protecting an energized inductive device such as an electromagnet from an open circuit, i.e., the loss of the power source for the inductive device. A diode is connected across terminals of the inductive device such that when the inductive... | 07/17/2007 |
| 7234730 | Traction control system The present invention provides a traction control system for a vehicle. The traction control system includes an energy radiator positionable in proximal relation to at least one of the vehicle tires. The traction control system further includes a control system havi... | 06/26/2007 |
| 7235936 | Linear vibration motor A linear vibration motor comprises: a stator provided with one of a permanent magnet and an electromagnet including a winding; a vibrator provided with the other of the permanent magnet and the electromagnet and supported to be able to vibrate; a movement detection ... | 06/26/2007 |
| 7224565 | Control circuit for driving an electric actuator, in particular an electric fuel injector for an internal-combustion engine A control circuit that drives an electronic actuator. The control circuit includes a direct voltage source, a chopper circuit arranged between the source and an electric actuator, and an electronic control circuit designed to apply to the chopper circuit a command s... | 05/29/2007 |
| 7202804 | Digital signal processing amplifier A digital signal processing amplifier produces substantially no digital clipping. The amplifier includes an A/D converter provided with an overflow detecting function and a controller for communicating with external equipment and adapted such that an overflow of an ... | 04/10/2007 |
| 7187532 | Device and a method for stabilizing a web or a filament of ferromagnetic material moving in one direction A device and a method for stabilising a metallic object of magnetic material. The metallic object is transported along a transportation path or plane. The plane includes a transportation direction and is parallel to the longitudinal direction of the object therein. ... | 03/06/2007 |
| 7113385 | Method of controlling magnetic flux of electromagnet, and electromagnet implementing the same For controlling a magnetic flux of an electromagnet with a relay pulling characteristic and at least two stabile levels of values of a magnetic flux in a magnetic guide, controlling pulses of electric current are supplied into a winding of a magnetizing coil with ob... | 09/26/2006 |
| 7091728 | Voltage isolated detection apparatus and method A high-isolation call cord switch includes connectivity for a standard hospital-style push-button call cord while using low voltage alternating current to isolate detection circuitry from static electricity. An alternating current signal is used to permit transforme... | 08/15/2006 |
| 7075779 | Voltage transformer with hinged housing The invention relates to a voltage transformer (1) including a housing (12) which encloses, at least partially, a mains plug (3, 4) connectable to a mains voltage source, a terminal plug (8) connectable to a terminal, and a voltage-transf... | 07/11/2006 |
| 7061964 | Electrostatic levitation furnance An electrostatic levitation furnace is improved by providing three pairs of electrodes opposed to each other respectively on three axes perpendicularly intercepting each other at a position where the sample is to be levitated in the vacuum chamber, and disposing a p... | 06/13/2006 |
| 7057539 | Systems and methods for clock mode determination utilizing explicit formulae and lookup tables A system for determining a data converter operating mode includes measurement circuitry operable to measure a master clock frequency of a master clock signal and measure a frequency ratio between a data clock frequency of a data clock signal and the master clock fre... | 06/06/2006 |
| 7048312 | Safety mechanism for walk-in interiors, particularly for cooking devices A walk-in chamber has a door opening closable by a door, which, when in the closed position can be either in a locked position or an unlocked position, dependent on the locking device, which includes a sliding bolt engageable with a locking bolt. To enable a person ... | 05/23/2006 |
| 7046496 | Adaptive gain adjustment for electromagnetic devices A control system for the adjustment and calibration of electromagnetic devices, such as E-I core electromagnetic devices, using adaptive gain adjustment. A controller is provided with an input current and an output force and provides an output signal indicative of a... | 05/16/2006 |
| 7034257 | Methods for modifying friction between an object and ice or snow A method modifies friction between an object and ice or snow. The method utilizes a heating element to apply a pulse of thermal energy to an interface between the object and the ice or snow; the first pulse is sufficient to melt an interfacial layer of ice at the in... | 04/25/2006 |
| 6969224 | Workpiece levitating device A communication chamber defined in a body is supplied with a fluid under pressure through a pipe connected to a supply port defined in the body. The fluid under pressure is ejected from the communication chamber through fluid ejection members, which are made of a po... | 11/29/2005 |
| 6946757 | Stage apparatus and method of controlling the same A stage apparatus includes a first-direction guide which extends in a first direction and can move in a second direction perpendicular to the first direction, a first driving mechanism which moves the first-direction guide in the second direction, a movable body whi... | 09/20/2005 |
| 6937911 | Compensating for cable drag forces in high precision stages A positioning system is disclosed. The positioning system includes a movable stage. The positioning system also includes a cable carrier movable relative to the stage. The cable carrier is configured for carrying a cable so as to prevent cable drag forces from actin... | 08/30/2005 |
| 6922324 | Remote powering of electrostatic chucks Substrates such as silicon wafers, flat panel displays, and hard disk drive head substrates are electrostatically gripped using power derived from a physically separated source. Noncontacting coupling permits operation in vacuum as a result of its efficient energy c... | 07/26/2005 |
| 6872255 | Device for processing an electrically conductive component A device for processing an electrically conductive component includes positioning means that position the component to be processed in a processing position. The positioning means are provided with means for generating a magnetic field. The magnetic field generates ... | 03/29/2005 |
| 6798636 | Method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve A method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve, the parasitic currents being modelled by means of an equivalent parasitic current which circulates in an equivalent turn which is short-cir... | 09/28/2004 |
| 6738250 | Latchable relay A solenoid-actuated latchable relay is controlled by a microprocessor that turns on at least one triac to selectively energize a solenoid coil with a desired polarity energization signal. The triac is only operated momentarily so that a single energization pulse is ... | 05/18/2004 |
| 6693786 | Modification of ice friction in transportation systems A plurality of electrodes in a solid object are located proximate to the contact interface between an ice layer and the surface of the solid object. A power source provides a potential difference across the electrodes to generate an electric field at the ... | 02/17/2004 |
| 6688264 | Method of piloting electromagnetic actuators for the control of a plurality of valves of an engine Method for piloting electromagnetic actuators for the control of the valves of an engine; each electromagnetic actuator is provided with at least one respective electromagnet, which is piloted by a common piloting device by means of the supply of an elect... | 02/10/2004 |
| 6683776 | Method and apparatus for elevating and manipulating objects using fields only A magnetic field-producing device is used for non-contact type elevation, elevation maintenance, or manipulation of objects. This type of elevation, elevation maintenance, or manipulation of objects contributes to the present modes of flight and people an... | 01/27/2004 |
| 6667872 | Apparatus for mending flux-leaking gap A mending apparatus for a leakage flux gap, to mend a shield having an opening, so that the electromagnetic radiation source is completely circumscribed, and the electromagnetic wave does not emanate to external. The mending apparatus has an additional me... | 12/23/2003 |
| 6636153 | Sensing system for magnetic clamping devices A sensor system for determining acceptable magnetization between a magnetic clamp and a mold patent for a quick mold change system on an injection molding machine includes secondary sensing coils magnetically coupled with a switchable magnet in the clamp ... | 10/21/2003 |
| 6519273 | Magnetic bearing and circulation fan apparatus A magnetic bearing enables to rotatably support a levitated body non-contactingly disposed in a hermetically sealed container filled with a gaseous process substance of a corrosive nature, while without contaminating the gaseous environment and suffering ... | 02/11/2003 |
