Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7492567 | Electromagnetic induction switch circuit An exemplary electromagnetic induction switch includes a coil, a magnet suspended in the coil, a rectification circuit, and a relay-switch. The coil is connected between two input terminals of the rectification circuit. Two output terminals of the rectification circ... | 02/17/2009 |
| 7486496 | Method and circuit arrangement for operating a solenoid actuator A method for operating an electromagnetic operating mechanism includes, upon application of a control voltage, resetting and initializing a control circuit and starting a charging of a charge storage device. Subsequently, an auxiliary tripping coil and a main trippi... | 02/03/2009 |
| 7345560 | Method and apparatus for magnetizing a permanent magnet A method of making a permanent magnet body is provided. The method includes providing a first precursor body comprising a plurality of blocks and magnetizing the first precursor body to form a first permanent magnet body. A recoil magnetization pulse may be applied ... | 03/18/2008 |
| 7324320 | Device and a method for magnetizing a magnet system A device for magnetizing a magnet system preferably having several pulse-generator circuits which are mutually arranged so that their magnetic fields superimpose in a cumulative manner. Each pulse-generator circuit includes a capacitor element, a magnetization coil ... | 01/29/2008 |
| 7289009 | Eddy-current-damped microelectromechanical switch A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to... | 10/30/2007 |
| 7228616 | System and method for magnetization of permanent magnet rotors in electrical machines A system and method for manufacturing an electrical machine is provided. An array of permanent magnet segments is assembled around a rotor spindle. Desired orientation directions of the permanent magnet segments are determined. The assembled permanent magnet segment... | 06/12/2007 |
| 7221562 | Portable computer The present invention relates to a portable computer comprising a main body having a processing unit; a display comprising a display housing including a display surface on which information is displayed according to the processing unit; a link connecting the main bo... | 05/22/2007 |
| 7211909 | Monolithic integrated circuit arrangement A monolithic integrated circuit arrangement containing a substrate, a functional unit formed in and/or on the substrate, and an energy supply unit, which is formed in and/or on the substrate and is coupled to the functional unit and has an inductance and a permanent... | 05/01/2007 |
| 7195258 | Mobile thick matter pump comprising a support construction and a pneumatic air-cushioned wheel axle A mobile viscous matter pump comprising a hydraulically operated support construction, a distribution boom (16) and a pneumatic cushioned trailing axle (42). To ensure stability during the pump operation, the trailing axle (42) can be lifted by ... | 03/27/2007 |
| 7182051 | Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator An electromechanical valve actuator for internal combustion engines, equipped with a polarized electromagnet and with a magnetic plate switches between a first position close to the electromagnet and a second position remote from the electromagnet, the switching tim... | 02/27/2007 |
| 7184264 | Connectable memory devices to provide expandable memory A memory device is described that is capable of expanding an amount of storage capacity available to a host computer without requiring a user to purchase a new, higher capacity memory device that may be bulky and expensive. The memory device includes a host connecto... | 02/27/2007 |
| 7181238 | Structure for turning on/off wireless communications of notebook computer by latch member The present invention discloses a structure for turning on/off the wireless communications of a notebook computer by a latch member, which comprises a latch groove disposed at a free end of a screen display of the notebook computer and a latch member disposed on a m... | 02/20/2007 |
| 7142075 | Microelectromechanical power generator and vibration sensor A microelectromechanical (MEM) apparatus is disclosed which can be used to generate electrical power in response to an external source of vibrations, or to sense the vibrations and generate an electrical output voltage in response thereto. The MEM apparatus utilizes... | 11/28/2006 |
| 7120805 | Draining residual charge from a voltage plane An energy discharge resistance is isolated from storage capacitance containing a voltage charge until power is removed from the storage capacitance. Then the discharge resistance may be coupled to the storage capacitance to drain residual charge therefrom. The disch... | 10/10/2006 |
| 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 |
| 7030724 | Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets Methods and apparatus that employ a coil-less magnetoelectric flux switch arrangement to repeatedly switch magnetic flux from at least one permanent magnet for the purposes of generating motive force and/or electrical energy. ... | 04/18/2006 |
| 6998838 | Linear position sensor having enhanced sensing range to magnet size ratio A sensor assembly for measuring linear position is provided. The assembly comprises a ferromagnetic magnetic flux concentrator. The flux concentrator is configured as a generally rectangular structure including an air gap at one side thereof. A magnet is slidable al... | 02/14/2006 |
| 6966672 | Luminaire louvre with double-walled side reflectors A luminaire louvre (1) for an elongate luminaire comprises two elongate side reflectors (2) and a plurality of transverse lamellas (10). The side reflectors (2) in each case have an inner wall (3) and an outer wall (4), whic... | 11/22/2005 |
| 6946938 | Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets Methods and apparatus that employ a coil-less magnetoelectric flux switch arrangement to repeatedly switch magnetic flux from at least one permanent magnet for the purposes of generating motive force and/or electrical energy. ... | 09/20/2005 |
| 6922333 | Detachable keyboard structure A detachable keyboard structure includes a first magnetic component, a second magnetic component, and a movable component. The first magnetic component is disposed in the wireless keyboard while the second magnetic component is disposed in the computer main body. Th... | 07/26/2005 |
| 6891710 | Method for control of a proportional magnet with a hold function Method for control of a proportional magnet comprising a magnet core, a magnet armature, a magnet coil for operating a control element in a shift valve or a proportional pressure-control valve, particularly a pressure-control valve for clutch operation in an automat... | 05/10/2005 |
| 6741440 | Mechanically pulsed magnetization kit A magnetization method and apparatus is described as utilizing a pair of mechanically counter-vibrated permanent magnets having mutually facing unlike magnetic poles, and wherein a ferromagnetic article, or article containing ferromagnetic elements in close-set arra... | 05/25/2004 |
| 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 |
| 6678182 | Electrical bus with associated porous metal heat sink and method of manufacturing same A module is formed in which semiconductor components are soldered to an electrically conductive heat sink. The electrically conductive heat sink is formed so that it will serve as an electrical bus in an electronic device. The chips of the semiconductor c... | 01/13/2004 |
| 6542348 | Method and system for driving a magnetizing fixture A method and system for driving a magnetizing fixture. A driving circuit produces in the conductor of a magnetizing fixture a first current whose magnitude increases substantially linearly with time, then produces a substantially constant current in the s... | 04/01/2003 |
| 6388408 | Motor current sensing in electric power tools A device for sensing motor current for over-current protection in an electric power tool. The tool includes an electric motor supplied with electrical power via a live cable and incorporates over-current protection including a tripping circuit with a curr... | 05/14/2002 |
| 6366440 | Magnetic closure mechanism for a portable computer A magnetic closure mechanism is adapted for use with a portable computer. The portable computer has a first housing part and a second housing part connected pivotally to the first housing part. The first housing part has a first major surface. The second ... | 04/02/2002 |
| 6246561 | Methods for controlling the path of magnetic flux from a permanent magnet and devices incorporating the same A permanent magnet device includes a permanent magnet having north and south pole faces with a first pole piece positioned adjacent one pole face thereof and a second pole piece positioned adjacent the other pole face thereof so as to create at least two ... | 06/12/2001 |
| 6154353 | Magnetic suspension system A suspension system for magnetically suspending an object O comprises an electromagnetic coil L having an axially extending core 13 of magnetically permeable material and a permanent magnet 14 disposed on its axis. A permanent magnet 10 is also provided i... | 11/28/2000 |
| 6129073 | Electromagnetic fuel injector and control method thereof In an electromagnetic fuel injection valve for injecting fuel by opening/closing a fuel flowing path, including a valve seat, a valve element for opening/closing the fuel flowing path formed between the valve seat and the valve element, and a drive unit h... | 10/10/2000 |
| 6054779 | Electrical power connector for tandem trailers A trailer is provided having an electrical power connector for coupling a multi-conductor jumper cable plug between trailers connected in tandem, the connector comprising a multi-prong electrical power receptacle mounted to a trailer. One prong of the rec... | 04/25/2000 |
| 5992391 | Electromagnetic fuel injector and control method thereof An electromagnetic fuel injection valve for injecting fuel by opening/closing a fuel flow path, includes a valve seat, a valve element for opening/closing the fuel flow path formed between the valve seat and the valve element, and a drive unit having at l... | 11/30/1999 |
| 5677821 | Method and device for detecting full magnetization of electro-permanent magnets A method and device for detecting full magnetization of an electro-permanent magnet which includes at least one permanent magnet part and at least one coil. Current is passed through the coil over a certain period of time in order to magnetize the electro... | 10/14/1997 |
| 5428332 | Magnetized material having enhanced magnetic pull strength and process and apparatus for the multipolor magnetization of the material A process and apparatus for permitting the magnetization of flexible hard magnetic materials in the form of sheets or strips, such as magnetic rubber, wherein opposing arrays formed from alternating magnetic disks and flux conducting elements are use in s... | 06/27/1995 |
| 5424902 | Method of polarizing electric motor provided with stator having plural phase windings and rotator having plural permanent magnets A positioning current is supplied to each phase winding of a stator employed in an electric motor, thereby rotating a rotator in the motor to a predetermined reference position with the use of magnetic force created by the positioning current. Thereafter,... | 06/13/1995 |
| 5353015 | Tamper detector The unauthorized separation of a second member such as a door with respect to a first member affixed to a computer frame and the subsequent replacement of the initial position of the door creates a change of state of a square loop magnetic member integral... | 10/04/1994 |
| 5272384 | Differential pressure switch sensor control unit A control unit for DPS sensors wherein reset is obtainable only by operation of a reset mechanism with reset taking place only after the reset mechanism has been returned at least in part to its original position to avoid the possibility of reset by holdi... | 12/21/1993 |
| 5268564 | Bar code scanner actuated by detection of scanner motion A bar code scanner which is responsive to the movement of the scanner to activate its light source. The scanner includes a motor having a moving member which is set in motion when the scanner is displaced from a rest position. The moving member generates ... | 12/07/1993 |
| 5267119 | Electric permanent magnet chuck control Apparatus for demagnetizing and magnetizing a chuck, having circuitry for connection with a 3-phase 4-line AC source, and including a power circuit and a control circuit. The power circuit leads directly from the source to the chuck, without transformers ... | 11/30/1993 |
| 5155651 | Levitator with rotation control A levitator which is mounted on a space station; for example, for use in material science experiments in space. The levitator has a position detector for detecting the position of a sample, a variable power supply whose output voltage varies in accordance... | 10/13/1992 |
