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| Number | Title | Issue Date |
| 8020326 | Magneto-optical display elements Composite magneto-optical elements with unique shapes and architectures comprising a magnetic component and a colored component. These magneto-optical elements can also be manufactured by a small variety of low-cost processes resulting in their use in a variety of a... | 09/20/2011 |
| 7992332 | Apparatuses for providing power for illumination of a display object An exemplary power regulator apparatus provides power for illumination of a display object, such as a merchandise package or container, which has a light emitting apparatus comprising a secondary inductor and an illumination source. A support structure, such as a po... | 08/09/2011 |
| 7814691 | Use of left-handed metamaterials as a display, particularly on a hob, as well as display and display method Coatings with left-handed metamaterials (which are man-made materials comprising micro-structures having unusual electro-magnetic properties) are provided around an appliance, such as a hotplate or hob, incorporating induction heating coils that functions as an opti... | 10/19/2010 |
| 7377060 | Device and method for display of information A display unit that does not use any characters, but uses pieces (or chips) that are housed within prearranged slots on a base unit to form human recognizable characters. The slots are arranged into a group, with each group of slots forming a specific topography wit... | 05/27/2008 |
| 7354470 | Multiple retainer bridge A multiple retainer bridge device is provided for securing a utility member (e.g., a magnet or bracket) to posts on a housing member (e.g., a filter housing). When assembled, the utility member is staked onto the posts. A single retainer member prevents the utility ... | 04/08/2008 |
| 7170506 | Hybrid electronic display of light emissive display elements and light reflective display elements A hybrid electronic display combines one or more light emissive display elements (33) and one or more reflective display elements (34). The respective display element types (33, 34) are configured to display a representation of the same informat... | 01/30/2007 |
| 7160170 | Panel-type magnetic toys Disclosed herein is a panel-type magnetic toy having compartments where permanent magnets move. The magnetic toy includes a polygonal panel body having a space therein, a plurality of compartments defined in the space of the panel body, and separated from each other... | 01/09/2007 |
| 6978565 | Device and method for communication with housekeeping services A device for communicating a hotel guest's instructions to hotel housekeeping services, and method for such is provided. The communication device provides a means for the guest to indicate whether or not to clean the room or other like instructions or commands. Addi... | 12/27/2005 |
| 6705874 | Colored magnetic particles for magnetophoretic display and method for manufacturing same Colored magnetic particles for magnetophoretic display capable of substantially preventing peeling of a pigment therefrom, to thereby prevent contamination of a dispersion medium during use of a magnetophoretic display panel, and a method for manufacturing the same.... | 03/16/2004 |
| 6603458 | Electromagnetic display device An electromagnetic display apparatus includes a panel having substantially square pixel, which are divided into two parts. Each pixel is provided with a rotatably-mounted, bistable tilting flap, which is asymmetrical in relation to its rotational axis. Th... | 08/05/2003 |
| 6510632 | Small dot display element A small dot or disk flip dot display element and a method of making a flip dot display formed of such elements is shown where the disks or dots flip between an ON position showing a bright surface and an OFF position showing a dark surface. The dots are f... | 01/28/2003 |
| 6468614 | Apparatus for displaying paper, fabric, photographs or the like An apparatus for displaying paper, fabric, photographs or the like, comprises a long, narrow strip of thin ferromagnetic spring steel, and a number of small tacks embedded with rare earth magnets or other magnets. A tape-like dispenser stores unused tacks... | 10/22/2002 |
| 6326945 | Magnetic writing board A magnetic writing board providing a thin, lightweight, durable writing board, which has an internal array of closely arranged magnet assemblies. The magnetic writing board is operated to contemporaneously create a display which may be transferred to a co... | 12/04/2001 |
| 6278431 | Magnetically operated display A magnetically operated display unit includes a frame with a color, a plate pivotably mounted on the frame and including a first surface with a color different to that of the frame and a second surface with a color identical to that of the frame, a magnet... | 08/21/2001 |
| 6272778 | Display element for electromagnetic displays Display element for an electromagnetic display device comprising a frame and a disc mounted to the frame for pivoting of the disc about a pivoting axis, the disc having two differently colored sides, an ON-side the color of which contrasts against the bac... | 08/14/2001 |
| 6216370 | Display array and device A sign having a changeable array constituted by a plurality of pivotally mounted disks which have opposite bright and dark surfaces. The bright surface of each disk is illuminated by an adjacent light emitter when positioned in a direction of viewing. Lig... | 04/17/2001 |
| 6209243 | Display device and array A display element includes a disk which rotates preferably through 160°-180° to display a bright or a dark side in a viewing direction in ON and OFF positions respectively. A constantly on LED is arranged to illuminate the disk in ON position for viewin... | 04/03/2001 |
| 6181315 | Magnetically operated display A method of operating a magnetically operated display unit that includes a frame of a color, a plate pivotably mounted on the frame which includes a first surface of a color different from that of the frame and a second surface of a color identical to tha... | 01/30/2001 |
| 6163994 | Display device and array A changeable display element is edgewise mounted on an insulating board and carries to rotate through about 180° to show one color face or the other to a viewer. The board provides a similarly colored face for each face to form a pixel. The element carri... | 12/26/2000 |
| 6147623 | Smart cross programmable vehicle and pedestrian signage with electronic display and infrared remote control A smart cross electronic traffic sign for the control of vehicle and pedestrian traffic with programming and control by infrared remote control. The device is lightweight and easily portable. Messages can be displayed in the color of the normal traffic si... | 11/14/2000 |
| 6111759 | Display with an array of electromagnetically operable elements A display array including a board resembling a printed circuit board or printed wiring board to which are pivotally mounted a plurality of display elements whose appearance in a viewing direction is controlled by a sense of magnetization of a core which e... | 08/29/2000 |
| 6025825 | Magnetically operated display A magnetically operated display unit includes a frame of a color, a plate pivotably mounted on the frame which includes a first surface of a color different from that of the frame and a second surface of a color identical to that of the frame, a magnet em... | 02/15/2000 |
| 6009648 | Display device and array A changeable display element is edgewise mounted on an insulating board and carries to rotate through about 180° to show one color face or the other to a viewer. The board provides a similarly colored face for each face to form a pixel. The element carri... | 01/04/2000 |
| 6000812 | Writable disk sign An array of disks faces a viewing direction is composed of disk's rotatable about an axis approximately perpendicular to the viewing direction between alternating orientations where bright and dark sides are respectively displayed in the viewing direction... | 12/14/1999 |
| 5933329 | Board for mounting display element A board usually resembling a PCB or a PWB mounts a display element, whose appearance in a viewing direction is controlled by the sense of magnetization of a core which extends through a bore in the board. A conducting coil formed on the surface of said bo... | 08/03/1999 |
| 5909971 | Display device with disk and LED A display element has a disk which rotates on an axis to show its bright or dark side in the viewing direction. When the bright side is showing the disk allows passage of light from an LED. When the dark side is showing the disk masks the light from the L... | 06/08/1999 |
| 5901483 | Display device and array A display element includes a disk which rotates through 160°-180° to display a bright or a dark side in a viewing direction in ON and OFF positions respectively A constantly on LED is arranged to illuminate the disk in ON position for viewing in a first... | 05/11/1999 |
| 5898418 | Magnetically operated display A magnetically operated display unit includes a frame of a color, a plate pivotably mounted on the frame which includes a first surface of a color different from that of the frame and a second surface of a color identical to that of the frame, a magnet em... | 04/27/1999 |
| 5887541 | Arrangement in manually controllable display equipment for the arresting of indicating elements provided with permanent magnets, and set to pivot about axes coincident with their median Display devices are disclosed using a display surface through which are seen a plurality of indicating elements. The indicating elements have an axis parallel to the display surface and are provided with at least two information display faces preferably o... | 03/30/1999 |
| 5846630 | Magnetic migration display panel A magnetic migration display panel including a dispersion liquid layer composed of a magnetic particle, a dispersion medium composed of an organic solvent, a thickening agent composed of fatty acid bis-amide with a hydroxyl group having a melting point of... | 12/08/1998 |
| 5818414 | Single display device with passive components, in particular for displaying characters which consist of a plurality of matrix-arranged picture elements A signal display device with passive components is disclosed, in particular for displaying characters which consist of a plurality of matrix-arranged picture elements. The device has an information-carrying base plate, suitable in particular for color inf... | 10/06/1998 |
| 5809675 | Board for mounting display element A board usually resembling a PCB or a PWB mounts a display element, whose appearance in a viewing direction is controlled by the sense of magnetization of a core which extends through a bore in the board. A conducting coil formed on the surface of said bo... | 09/22/1998 |
| 5793349 | Electromagnetic shutter and cover A light shutter for selectively masking the light emitted from an optic fibre is combined with a transparent panel through which the emitted light will travel. The transparent panel may be lens shaped and used, for example, to reduce light divergence abou... | 08/11/1998 |
| 5793343 | Display apparatus for signage A portable display signage for all weather and ambient lighting conditions has dual matrices of character generating elements. One matrix is provided by a multiplicity of passive display units arranged in an array for cooperatively displaying graphics or ... | 08/11/1998 |
| 5787619 | Magnetic display erasing apparatus A magnetic display erasing apparatus is provided wherein the distance by which an erasing head is moved when an unerasing operation is to be performed can be made as short as possible, thereby allowing the apparatus to be miniaturized and various designs ... | 08/04/1998 |
| 5771616 | Display device with disk and LED A display element has a disk which rotates on an axis to show its bright or dark side in the viewing direction. When the bright side is showing the disk allows passage of light from an LED. When the dark side is showing the disk masks the light from the L... | 06/30/1998 |
| 5627562 | Magnetic display apparatus Apparatus for magnetically erasing and writing data stored in human readable displays of product label. The product label includes a display area with magnetic particles which can be oriented by external magnetic field in shapes including human readable f... | 05/06/1997 |
| 5627563 | Multicolor display apparatus A large multicolor display apparatus displays pictures and animations of high quality with multiple colors. The apparatus is used for advertisement and information purposes. The apparatus comprises unit blocks, which are divided into a plurality of sectio... | 05/06/1997 |
| 5609788 | Magnetic paint additive Magnetic paint additives are formulated from ferromagnetic particles having a mixed particle range of from about 0.01μ to about 74μ, preferably from about 0.01μ to about 37 to 44μ. Iron powder is preferred. Preferred additives are formulated by blendi... | 03/11/1997 |
| 5600908 | Displaying element A display element is adapted to be arranged together with other similar elements in rows and columns for displaying signs and comprises a housing (2), a surface element (6) connected to said housing and movable between two positions for displaying differe... | 02/11/1997 |
