...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7557867 | Optical engine and image projecting apparatus having the same An optical engine is provided that includes a base frame, a video device assembly for generating a video signal, and a driving substrate detachably coupled to the video device assembly for driving the video device assembly. The driving substrate is coupled to the ba... | 07/07/2009 |
| 7414678 | Plasma television, display panel type television, and fabrication method for display panel type television Conventionally, it was difficult to maintain parallelism between an optical filter and a PDP, and also the weight of the optical filter was put on the PDP. With a PDP 10 and a frame 30 separately fixed to a bracket 20 connecting to a leg ... | 08/19/2008 |
| 7407294 | Multi-direction image viewing system A multi-direction image viewing system includes a triangular or rectangular image case, and plural projectors symmetrically installed to the inner sides of the image case in three or four directions. Projecting light paths cross each other so that the size of the im... | 08/05/2008 |
| 7384155 | Image display An image display, includes: an image display section for forming and displaying an image in accordance with image information to be input; and a casing for housing the image display section, in which the casing includes: a lateral portion visible from an outside, th... | 06/10/2008 |
| 7370976 | Projection type image display device The device has flexure correcting means for operating to rotate a first eccentric cam provided at a central part of a first side of a reflecting mirror, thereby moving up and down the central part of the first side to correct the flexure of the reflecting mirror, to... | 05/13/2008 |
| 7365806 | Projection display apparatus including a slide mechanism to prevent dropping of a screen during attachment A projection display apparatus (1) includes slide bases (106) which are able to protrude from a housing (101). A screen unit (103) is supported by rotation plates (107) rotatably provided on the slide bases (106). The attach... | 04/29/2008 |
| 7362386 | Integrated structural screen panel for projection television A screen assembly for a projection television includes a screen panel, a lenticular screen and a Fresnel screen. The screen panel is attached directly to the television cabinet and sandwiches the Fresnel and lenticular screens therebetween. The screen panel projects... | 04/22/2008 |
| 7327407 | Integrated structural screen panel for projection television A screen assembly for a television includes a front screen panel, an opaque masking layer applied to a perimeter of the front screen panel to define a masked perimeter area framing a viewable area of said screen assembly, and at least one touch control operatively c... | 02/05/2008 |
| 7318647 | Optical engine apparatus An optical engine apparatus to magnify and project an image beam formed by a display device using light on a screen includes a light source to emit the light, a reflection mirror to reflect the light emitted from the light source toward the display device, and an ad... | 01/15/2008 |
| 7315417 | Screen frame and bezel clip system An apparatus and methods that facilitate efficient and easy installation of a display screen and protective shield onto a cabinet of a display unit such as a projection TV (PTV) and the like. Preferably, a screen frame and bezel clip system includes a bezel clip hav... | 01/01/2008 |
| 7304690 | Optical engine of a projection television The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning a screw of a mirror device. The object of the present invention can ... | 12/04/2007 |
| 7295370 | Projection television and manufacturing method thereof A projection television including: a screen having a plurality of image-forming sheets and an anti-dust film having a first side disposed between the image-forming sheets and a second side disposed at a front of the screen, and being detachable from the screen. ... | 11/13/2007 |
| 7265798 | Optical system for projection television An optical system includes a lens assembly fixed to a base for projecting an image light onto a surface; a DMD assembly movably disposed at one side of the lens assembly for reflecting the light irradiated from a light source onto the lens assembly; supporting membe... | 09/04/2007 |
| 7226174 | Apparatus for mounting a data/video projector in a portable enclosure The invention relates to an apparatus for securely mounting a data/video projector in a portable enclosure with an adjustable mounting surface for the projector. The invention includes an apparatus that allows for easy adjustment of pitch angle of the projector to a... | 06/05/2007 |
| 7176986 | Projection television A projection television including a CRT assembly projecting image beams and a reflecting mirror reflecting the image beams. The projection television has a support casing having support frames provided on both sides thereof below the reflecting mirror, receiving and... | 02/13/2007 |
| 7175282 | Projection apparatus having separated optical engine and driving circuit A projection apparatus includes a screen to display a picture thereon, an upper cabinet to support the screen, an optical engine provided in a lower portion of the upper cabinet to project an image beam toward the screen, a circuit unit to drive the optical engine, ... | 02/13/2007 |
| 7161638 | Spring mounting clip A spring mounting clip is provided that preferably includes a spring arm coupled to and extending from a mounting base. The spring arm bends aside as the mirror is pressed against the back wall of a PTV enclosure and spring back to its original unstressed position o... | 01/09/2007 |
| 7148934 | Easy-maintain rear projection television A rear projection television includes a casing with a space therein and a plurality of modular units. A plurality of maintenance holes are formed through the casing to communicate with the space. The modular units are positioned in the space to correspond to the mai... | 12/12/2006 |
| 7077527 | Rear-projection type imaging device It is an object of the present invention to share a projection unit which is a principal component of a rear-projection type imaging device and a chassis are mounted to thereby share a molding die of a base cabinet. Upper cabinets 3 are molded according to th... | 07/18/2006 |
| 7072002 | Rear-project video assembly with a foldable reflector A rear-project video assembly with a foldable reflector includes a housing and a screen mounted in a first side of the housing. A reflector has one side pivotally connected to a second side of the housing for reflecting image to the screen. An overhead projector is ... | 07/04/2006 |
| 7066610 | Rear projector In order to provide a rear projector capable of facilitating position adjustment of an image displayed on a screen and optimizing dispersion of the aspect ratio of the projected image caused by tolerance of components by adjusting the position of the image, a suppor... | 06/27/2006 |
| 7050123 | Assembled housing of a rear projection television An assembled housing of rear projection television comprising a foldable main framework and a foldable back cover is disclosed. The main framework is a flat structure as folded, while the main framework forms a ring structure as unfolded. The ring structure includes... | 05/23/2006 |
| 7048389 | Optical projection module An optical projection module includes a front optical module, a rear optical module and an adjustment member mounted between the front and rear optical modules. The front optical module includes a lighting module, an integrated rod and a color wheel. One end of the ... | 05/23/2006 |
| 7011416 | Projection television A projection television having a CRT assembly projecting image beams and front and rear casings, respectively provided in a front and a back of the CRT assembly, and further having a pair of CRT brackets provided between the front and rear casings, to support the CR... | 03/14/2006 |
| 7002640 | Apparatus for mounting a screen in a projection television A screen fastening device of a projection television having a front cabinet including a front window of a case, a screen for penetrating or forming an image, a fastening bracket for fastening the screen to the front cabinet, a mating portion for removably fastening ... | 02/21/2006 |
| 6921174 | Projection television cabinet having a one-piece reference structure A cabinet for a projection television system, the cabinet including a one-piece molded structure for mounting the components, and reference surfaces unitary with the structure, for mechanically aligning critical optical components of the television system with one a... | 07/26/2005 |
| 6922216 | Mechanical system for adjusting image centering and rotation in projection television apparatus First (3), second (5) and third (7) eccentric cams, positioned in substantially the same plane, mate with corresponding first (9), second (11) and third (13) slots in a bracket (1). Rotation of the first cam (3... | 07/26/2005 |
| 6914772 | Video conference system enclosure An enclosure for a video conference system is disclosed. The enclosure includes a substructure that includes a pair of side structure beams. The side structure beams comprising a top section, a bottom section and a vertical support section connected together. The su... | 07/05/2005 |
| 6912086 | Projection device and large-screen display apparatus using the same The invention provides a projection device comprising a screen constituted in a layered structure with a light-transmissive screen panel and a light-transmissive reinforcing panel, wherein a front panel in the screen has a plane wider than residual panels on the bac... | 06/28/2005 |
| 6906758 | Cooling structure for projection television Disclosed is a cooling structure for a projection television, which keeps the inside of the projection television clean and effectively cools the heated projection television. The cooling structure for the projection television comprises a heat blocking unit for sep... | 06/14/2005 |
| 6897905 | Television with built-in DVD device In a configuration in which a cabinet is formed by an insulating material, there are provided a filter substrate 3 for electrically connecting a DVD device 1 to a television circuit substrate 5 and a shielding case 2 for covering the DVD device ... | 05/24/2005 |
| 6894730 | Structure of projection television and producing method thereof Disclosed is a structure of a projection television comprising a screen, a front panel, a supporting part upon which an image forming device is mounted, an one-piece cabinet having an upper opening for the screen and a lower opening for the front panel, and upper an... | 05/17/2005 |
| 6873374 | Shielding apparatus of projection television A shielding apparatus of projection television is disclosed. A metal shield casing made of metal plate members shields an optical block and a circuit block. Metal plate printed board holding sections are connected to the metal shield casing detachably at predetermin... | 03/29/2005 |
| 6869188 | Device for projection display A projection display device that is more compactly composed as compared with a conventional device by reducing the total width of a device, that is, the length between the rear of outer case and screen. The projection display device comprises an optical engine for p... | 03/22/2005 |
| 6851810 | Rear projector and producing method thereof A rear projector has a lower cabinet disposing an image generator and an upper cabinet for a screen body to be mounted, two woofer boxes being mounted on the front side of the lower cabinet and high-pitched sound speaker boxes being respectively mounted on the right... | 02/08/2005 |
| 6833879 | Image projection in television off position A system and method that facilitates the transformation of PTVs, when in the “OFF” mode, into aesthetically pleasing decorative furniture. The PTV preferably includes a primary and a secondary projection system. The secondary projection system preferably compris... | 12/21/2004 |
| 6833880 | Bracket for CRT An enclosure for a projection television set is provided that includes an upper compartment to house a mirror and a screen, and a lower compartment attached to the upper compartment. The lower compartment preferably includes a front panel, a rear panel, and a plural... | 12/21/2004 |
| 6755535 | Enclosure for projection television sets A projection television set having an enclosure housing a screen, an optical unit and a mirror, wherein the optical unit and mirror are capable of projecting an image onto the screen. The enclosure is preferably constructed from hollow plastic extruded panels. In ad... | 06/29/2004 |
| 6753879 | Creating overlapping real and virtual images A computer generated image may be displayed inside an enclosure. The enclosure may include a transreflective surface so that the user can view the image generated by the computer system overlaid with a body part of the user. The computer generated images may move re... | 06/22/2004 |
| 6717800 | Shield plate mounting apparatus A shield plate mounting apparatus is disclosed which mounts a shield plate 4 on a casing 3 of a recording/reproducing apparatus 2 formed to be integral with a television receiver. In this shield plate mounting apparatus, a plurality of projectio... | 04/06/2004 |