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| Number | Title | Issue Date |
| 7339491 | Light-emitting diode backlight module An LED backlight module includes a substrate. An LED array, composed of a plurality of red, blue and green lamp LEDs, is mounted on the substrate. A light-mixing chamber is mounted on the substrate and is used to seal the LED array inside. A diffusion sheet is secur... | 03/04/2008 |
| 7336197 | LED lighting system for line scan camera based multiple data matrix scanners A LED lighting system for reading multiple data matrix codes on device populated transport media with a line scan camera, includes a light housing, a plurality of LED circuit bars, having a plurality of LEDs, mounted to an inner surface of the light housing arranged... | 02/26/2008 |
| 7324264 | Electro-optical modulating display and method of making the same This invention relates to a method of manufacturing micro-cell arrays. Such an array may find use in a number of applications such as, for example, a video display, electronic paper, and signage. The microcell arrays find particular use in electromodulating displays... | 01/29/2008 |
| 7301469 | Remotely activated trail marker system and its method of use A trail marking system having a plurality of trail markers, a remote control handset for selectively activating the trail markers, and a setting tool for setting and removing the trail markers. To use the trail marking system, a hunter attaches a trail marker into a... | 11/27/2007 |
| 7030774 | Floating visible indicator for an instrument cluster A visible indicator for an instrument cluster is backlit with an electroluminescent (EL) film. A mounting plate is located a first distance from a light source and includes a first aperture. A translucent lens is located adjacent to the mounting plate. An EL film is... | 04/18/2006 |
| 7019631 | Indicator An indicator equipped with a polarized light splitter, which passes and reflects an un-polarized light irradiated from a light source and divides the polarized light into a p-polarized light whose oscillation direction of an electric field is parallel to an incidenc... | 03/28/2006 |
| 6894623 | Display monitor for multi-optical-path photoelectric safety apparatus and multi-optical-path photoelectric safety apparatus including a display monitor A display monitor is provided for a multi-optical-path photoelectric safety apparatus including a plurality of multi-optical-path photoelectric sensor units. The user can determine whether a special function such as blanking is set for each optical path in a group w... | 05/17/2005 |
| 6741225 | Device for generating an image In order to provide a device for generating an image on an image surface with N×M image elements which can be illuminated individually, comprising a plurality of semiconductor radiation sources, each of which generates radiation with at least one color, an optical ... | 05/25/2004 |
| 6422711 | Hidden rib for reflector of LED display A hidden rib for the reflector of an LED display is disclosed, wherein a hollowed optic displaying section is formed in a reflector. The hollowed optic displaying section is connected by a hidden rib, the rib is installed at a plane lower than a surface o... | 07/23/2002 |
| 6204832 | Image display with lens array scanning relative to light source array A point source array generates an array of output beams defining a plurality of image pixels. A microlens array receives the output beams and direct them toward desired pixel locations. Either one or both of the point source array and microlens array are ... | 03/20/2001 |
| 6037876 | Lighted message fan A method of emitting a visual image from a lighted display includes the step of providing at least one body which is rotatable in at least one rotation direction about an axis of rotation. A plurality of substantially circular image lines are defined, wit... | 03/14/2000 |
| 5996263 | Internally illuminated matrix sign An improved internally illuminated display apparatus for displaying indicia at a front of the apparatus. The invention is comprised of a light source for providing internal illumination to the display. A plurality of axles are connected to the light sourc... | 12/07/1999 |
| 5729366 | Heads-up display for vehicle using holographic optical elements A heads-up display device for a vehicle including a holographic projection optical system constituted by a transmissive holographic optical element and a holographic combiner constituted by a reflective holographic optical element, capable of reducing the... | 03/17/1998 |
| 5594424 | Indicating displays for motor vehicles An indicating display for a motor vehicle has an optical collimating element associated with a support element carrying an array of electroluminescent diodes. The collimating element has a rear face which is engaged by the electroluminescent diodes and wh... | 01/14/1997 |
| 5587823 | Radio communication devices Data on various conversation sentences are sent/received by radio between radio communication devices remote from one another. Many conversation sentence data items and different code data items are beforehand stored in a corresponding relationship in a c... | 12/24/1996 |
| 5521843 | System for and method of recognizing and tracking target mark A system for and a method of recognizing and tracking a target mark with a video camera is disclosed. The system includes a target mark (10) disposed on an object (1) and composed of a black circle and a white triangle mounted centrally on the black circl... | 05/28/1996 |
| 5510776 | Multiple message selective telltale display A plurality of optical projectors focus telltale messages, one at a time, onto a vehicle instrument panel display area. In one embodiment a logic circuit assigns priority to the messages and displays only the message of higher priority when more than one ... | 04/23/1996 |
| 4940973 | Method and apparatus for displaying graphic and alphanumeric data A method and apparatus for displaying the graphic and alphanumeric data of the type utilizing pixel matrix panels with an outside light source. The method comprises reflecting the outside light on a preselected colored surface, rotatably housed within eac... | 07/10/1990 |
| 4453160 | Message character image projection control means Message character image projection control means for establishing conditions which simulate the eye glass or contact lens needs of an individual utilizing acousto-optic light refracting principles wherein a pair of acousto-optic cells, positioned in the l... | 06/05/1984 |
| 4410888 | Component for module for presenting alpha numeric or like information A component for an alpha-numeric or like module wherein the component includes a subframe to be installed as part of the module frame, the subframe having a front and rear with a shutter pivotally mounted on the rear, the subframe employing both permanent... | 10/18/1983 |
| 4390875 | Message character image projection control system Message character image projection control system utilizing a matrix array of individually shaped light forming window means, a source of light for illuminating the array of windows and acousto-optic light reflector means for controlling an optical path r... | 06/28/1983 |
| 4254453 | Alpha-numeric display array and method of manufacture An alpha-numeric array is provided for the selective display of characters as controlled by associated character generator programming circuitry. The display array in one character format utilizes a 5×7 matrix array of individually operable illumination ... | 03/03/1981 |
| 4251806 | Message character image projection control system Message character image projection control system, utilizing a matrix array of individually shaped light forming windows and a corresponding array of individual electrically responsive light emitting elements in combination with acousto-optic light reflec... | 02/17/1981 |
| 4220948 | Non-electronic character display A sign board comprises an opaque front plate interfacing with a translucent or reflective back plate. Slots in the front plate define the segments of 7-segment characters. Shutters are slideable within the interface to selectively open and close slots for... | 09/02/1980 |
| 4179689 | Graphic symbol display system The invention relates to graphic symbol display means, and more particularly to a high speed system for presenting images of individual letters, numerals, etc., along a common optical axis of the system which have been selected from an illuminated matrix ... | 12/18/1979 |
| 4074253 | Novel bistable light modulators and display element and arrays therefrom A novel bistable light modulator, particularly useful as a visual display element. An array of bistable visual display elements arranged in closely spaced relation. The array preferably comprises the bistable display elements in rows and columns, i.e., a ... | 02/14/1978 |
| 3995386 | Information display device An information display device includes a two-dimensional array of cells, each cell including an opaque wall pierced by an aperture and containing an opaque ferromagnetic spherical shutter member movable by electromagnetic means to roll upon a vertical wal... | 12/07/1976 |
