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Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 335/219 - Combined with diverse-type art device


Subclass of Class 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Definition: Subject matter wherein the magnet or electromagnet is combined
No. of patents: 112
Last issue date: 03/27/2012


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NumberTitleIssue Date
8143982Foldable accessory device
A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechan...
03/27/2012
8143983Electronic device with magnetic attachment
A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechan...
03/27/2012
8138869Accessory device with magnetic attachment
A magnetic attachment mechanism and method is described. The magnetic attachment mechanism can be used to releasably attach at least two objects together in a preferred configuration without fasteners and without external intervention. The magnetic attachment mechan...
03/20/2012
8138868Method and structure for magnetically-directed, self-assembly of three-dimensional structures
A magnetically directed, self-assembled structure has a first body. The first body includes a single magnet or plurality of magnets disposed thereon to form a spatially variable magnetic field in a first predetermined pattern. A second body has a single magnet or pl...
03/20/2012
8134435Flux mitigation
Aspects relate to mitigation of a magnetic field produced by one or more units to be shipped such that a magnitude of magnetic field measured is maintained at or below a threshold level. A counter-flux is applied through the use of one or more magnets, magnet arrays...
03/13/2012
8111120Electronic device
An electronic device having two cases and a display module disposed therebetween is disclosed. Magnets are disposed at the two cases and the display module. When an acceleration sensed by a sensing unit of the electronic device is larger than a threshold value. The ...
02/07/2012
8040210Electromagnetically operated switching device
A switching contact, an electromagnetically operated electromagnet for driving the switching contact, and a drive power source device for driving the electromagnetically operated electromagnet. The electromagnetically operated electromagnet includes a movable core c...
10/18/2011
7952455Magnetic device
A magnetic device having a housing with a front wall. A first magnet assembly includes a north and south pole and a second magnet assembly also includes a north and south pole. The magnet assemblies are pivotally mounted in the housing and pivotal between a first po...
05/31/2011
7796001Method of forming magnetic blocks and equipment for carrying out that method
In forming magnetic blocks, a first permanent magnet may be lowered to the bottom of an upwardly open vessel, the vessel may be already filled or may be then filled with liquid and, while forcefully maintaining the first permanent magnet in that position, further pe...
09/14/2010
7772946Electric power connection part of electromagnetic clutch field coil assembly
An electric power connection part of an electromagnetic clutch field coil assembly connected with an electric power connector at a side of a vehicle engine, includes a housing assembly connected to the field coil assembly with electric wires, which is extracted ther...
08/10/2010
7741939Displacement device as well as a component placement device
A displacement device is provided with a linear motor which comprises a first part comprising magnetic strips and a second part comprising a coil block. The parts are connected via a linear guide. The second part is movable with respect to the first part in a convey...
06/22/2010
7388460Solenoid actuator
A plunger for use with a solenoid having a winding defining a bore is provided in an embodiment in accordance with the present invention, comprising a plunger first end, a plunger second end opposite the plunger first end, and a plurality of through-holes defining e...
06/17/2008
7339454Tensile-stressed microelectromechanical apparatus and microelectromechanical relay formed therefrom
A microelectromechanical (MEM) apparatus is disclosed which includes a shuttle suspended above a substrate by two or more sets of tensile-stressed beams which are operatively connected to the shuttle and which can comprise tungsten or a silicon nitride/polysilicon c...
03/04/2008
7315230Adjustable solenoid
Embodiments of the present invention provide solenoid plungers, solenoid actuators, and solenoid-actuated mechanisms, that provide for an adjustable stroke, adjustable rated force, and adjustable plunger extension that overcome the problems and issues associated wit...
01/01/2008
7308738Releasable fastener systems and processes
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e...
12/18/2007
7300043Rotating positioning vise
A rotating positioning vise for use in hand working operations. The positioning mechanism utilizes a permanent magnet that is lifted off the surface of a turntable by the means of a lever. The user pushes on the lever, moves the vise in the position desired and then...
11/27/2007
7221247Magnetically actuated microelectromechanical systems actuator
A microelectrical mechanical system (MEMS) actuator having electrically conductive coils that create first magnetic fields that are opposed by a second magnetic field is disclosed. The actuator includes two coils having dual, interspersed Archimedean spirals. Within...
05/22/2007
7188460High speed vacuum system for inserters
A vacuum release assist system for a document insertion station is described. The vacuum suction cup system is used for opening an envelope. The vacuum release assist system ensures that the suction cup is timely released during the removal of the envelope from the ...
03/13/2007
7146690Releasable fastener system
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e...
12/12/2006
7148689Permanent magnet assembly with movable permanent body for main magnetic field adjustable
A permanent magnet assembly comprising a fixed permanent magnet body and a movable permanent magnet body which is movable relative to the fixed permanent magnet body. ...
12/12/2006
7140081Releasable fastener system
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof whereas the hook portion includes a support and a plurality of closely spaced upstanding hook elements exte...
11/28/2006
7106156Superconductor cables and magnetic devices
Superconducting cables and magnetic devices are disclosed. ...
09/12/2006
7069886Valve control device for an internal combustion engine and internal combustion engine comprising such a device
The present invention pertains to a device for controlling a valve of an internal combustion engine, the device comprising an electromechanical actuator equipped with a magnet, and a processor controlling a defluxing current generating a magnetic field opposed to th...
07/04/2006
7063054Valve driving device of an internal combustion engine
The object of the present invention is to provide a camless valve driving device, without having a cam mechanism, which can reduce the valve driving energy and enhances fuel efficiency. According to the one preferred aspect of the present invention, the valve drivin...
06/20/2006
7064879Magnetically actuated microelectrochemical systems actuator
A microelectrical mechanical system (MEMS) actuator having electrically conductive coils that create first magnetic fields that are opposed by a second magnetic field is disclosed. The actuator includes two coils having dual, interspersed Archimedean spirals. Within...
06/20/2006
7046539Mechanical memory
A first-in-first-out (FIFO) microelectromechanical memory apparatus (also termed a mechanical memory) is disclosed. The mechanical memory utilizes a plurality of memory cells, with each memory cell having a beam which can be bowed in either of two directions of curv...
05/16/2006
7032282Releasable fastener system
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e...
04/25/2006
7023503Image sensor with photosensitive thin film transistors
An image sensor array includes image sensors having photo TFTs to generate photocurrent in response to received images. The photo TFTs each have their respective gate electrodes shorted to source electrodes to increase generated photocurrent. Storage capacitors are ...
04/04/2006
7020938Magnetorheological nanocomposite elastomer for releasable attachment applications
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof whereas the hook portion includes a support and a plurality of closely spaced upstanding hook elements exte...
04/04/2006
7013536Releasable fastener systems and processes
A releasable fastener system comprises a loop portion and a hook portion. The loop portion includes a support and a loop material disposed on one side thereof. The hook portion generally includes a support and a plurality of closely spaced upstanding hook elements e...
03/21/2006
7013538Electroactive polymer releasable fastening system and method of use
A releasable fastening system for retaining two surfaces at each other or disengaging the two surfaces from each other comprises a first electrode disposed at a first surface, a second electrode disposed at a second surface, and a polymer film disposed between the f...
03/21/2006
7004123Unit trigger actuator
An actuator for actuating a linearly translatable member, such as an engine valve includes a unit trigger actuator, the unit trigger actuator having a trigger being electrically actuatable, a hydraulic cartridge having a selectively translatable component and being ...
02/28/2006
6978583High speed vacuum system for inserters
A vacuum release assist system for a document insertion station is described. The vacuum suction cup system is used for opening an envelope. The vacuum release assist system ensures that the suction cup is timely released during the removal of the envelope from the ...
12/27/2005
6973701Releasable fastening system based on ionic polymer metal composites and method of use
A releasable fastening system comprises a knob portion comprising a knob element, a cavity portion comprising a cavity configured to receive the knob element, and an ionic polymer metal composite actuator disposed at the knob element. The ionic polymer metal composi...
12/13/2005
6944920Electrostatically releasable fastening system and method of use
A releasable fastening system comprises a loop portion comprising a loop material, a hook portion comprising a plurality of hook elements, and an actuation device disposed in electrical communication with the loop portion and the hook portion. The actuation device i...
09/20/2005
6891710Method 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
6877497Ignition coil cassette having epoxy anchored bushings
An ignition coil cassette having bushings retained by an irregularity of the bushings being encased by epoxy. As a result, the process by which the bushings are installed into the ignition coil cassette avoids the cost associated with the overmolding installation pr...
04/12/2005
6845762Force emission control valve
An automotive emission control valve, an EGR valve in particular, has a solenoid as the actuator for a valve element. The solenoid has a stator and an armature. Various features in construction of the armature and stator pole pieces improve magnetic efficiency to pr...
01/25/2005
6772743Reducing armature friction in an electric-actuated automotive emission control valve
An emission control valve is operated by an electric actuator that has an electric coil, stator structure, and a positioning mechanism, including an armature that is selectively positionable along an axis, for selectively positioning a valve element. The stator stru...
08/10/2004
6765330Magnetic drive device for a releasable connection
In order to provide a connecting means for the releasable connection of a first component and a second component, in particular, for the releasable connection of furniture and machine parts, comprising a first connecting element arranged on the first component and a...
07/20/2004
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