Abstract: Transmission-type screens are placed corresponding to a display board at a front area of the display board, on which an article is placed. Each of the screens transmits and projects a projector image luminous flux projected from a backside of the screens to a front side of the screens. When the projector image luminous flux is projected from the backside of the screens, each of inner circumferences which defines a space including an image projecting space for leading the projector image luminous flux to the backside of the screens without obstruction. A display shelf might have a projector and a computer. The projector projects the projector image luminous flux. The display shelf might have a reflecting mirror which lead the projector image flux to the screens.

Abstract: A display apparatus, comprises a filter unit 33 attached on an air inlet opening 28a, having such a filter 36 that a suction negative load generating at the air inlet opening 28a formed in an upper cabinet 3 comes to be smaller than the suction load generating at gaps 29a and 30a defined in the upper cabinet 3, when driving a cooling unit 18, for sucking an air from the upper cabinet 3 and discharging the air used for cooling into the upper cabinet 3, when cooling down optical parts, such as, display devices 15R, etc., and a polarizing plate 16R, etc., of an optic unit 9.

Abstract: A presentation system and method for presenting information to an audience within a space hat includes a plurality of mobile projectors and a master presentation unit that can be moved into a presentation space and associated where the projectors and master unit are quickly linkable via a network and where the master unit expedites the system configuration process to allow the system user to manipulate images presented by all of the projectors.

Abstract: A light source device for a display device for projecting an image on a screen is provided, the light source device for display device including a light source unit operable to output light; an image outputting unit operable to output an image by giving an image signal to the light; and a control circuit operable to switch the image output from the image outputting unit between a normal image and a mirror reversed image formed by reversing the normal image right and left by controlling the image signal, such that outputting type is switched between a front projection in which the image is projected onto the screen from a front on the same side as the viewing side, and a rear projection in which the image is projected onto the screen from a rear plane on the opposite side to the viewing side.

Abstract: A projection module intended to project an image on a screen defining a specified projection plane is disclosed. The module includes an objective, for emitting an imaging beam; a curved mirror; and at least two deflection surfaces for deflecting the imaging beam, the deflection surfaces being placed in the path of the imaging beam between the objective and the curved mirror.

Abstract: Imaging apparatus including image creation means for creating a moving image, means for enlarging the image, and a screen on which the image is displayed in use to a viewer. The image creation means includes a substantially planar image creation screen on which the image is created.

Abstract: A projection image display apparatus is provided which is capable of preventing misregistration in an on-screen image. A main frame assembly holds together an optical engine that modulates light emitted from a light source and a screen on which light emitted from the optical engine is projected, and the main frame assembly is configured to be supported by a bottom frame formed by a separate structure, whereby distortion having occurred at the bottom frame is caused not to transmit to the main frame assembly.

Abstract: A display and/or operating device for controlling machines includes a projection device for projecting an image onto a projection area, an acquisition device for scanning the same projection area, and a control computer for controlling the projection device and the acquisition device. The present invention is distinguished by the fact that, by the acquisition device and the control computer, an analysis of the same projection surface can be carried out, and that the content of the image to be projected can be controlled by the control computer as a function of the result of the analysis of the same projection area.

Abstract: An projection type image display apparatus includes a projection optical system having a plurality of concave mirrors and digital micromirror device (DMD). An optical path from the DMD to the concave mirror closest to the DMD is a sealed space which is surrounded by an image forming device holding plate holding the DMD, an optical component holding member holding the concave mirror and the image forming device holding plate, and a cover glass (transparent dust-proof cover) arranged on the optical path from the DMD to the concave mirror closest to the DMD.

Abstract: A display device includes a display module, a rear cabinet supporting a rear portion of the display module, and a front cabinet having at least two frames provided on edges of the display module to protect a front portion of the display module.

Abstract: Screens are positioned at front areas of respective placing tables which form placing spaces for placing an article. Each of the screens is a transmission-type screen capable of transmitting projection image light projected on a back side of the screen. A first optical system and a second optical system are arranged inside the display shelf. The first optical system leads first partial image light, which is included in projection image light projected from a projector in the display shelf, to the back sides of the screens. And the second optical system leads second partial image light, which is included in the projection image light, to at least one of the placing spaces.

Abstract: Transmission-type screens are placed corresponding to a display board at a front area of the display board, on which an article is placed. Each of the screens transmits and projects a projector image luminous flux projected from a backside of the screens to a front side of the screens. When the projector image luminous flux is projected from the backside of the screens, each of inner circumferences which defines a space including an image projecting space for leading the projector image luminous flux to the backside of the screens without obstruction. A display shelf might have a projector and a computer. The projector projects the projector image luminous flux. The display shelf might have a reflecting mirror which lead the projector image flux to the screens.

Abstract: Various embodiments related to a rear projection display screen configured to reduce an intensity of light at a viewing angle at which the light is less likely to be viewed by a user are disclosed. One disclosed embodiment provides a diffusing screen comprising a sheet-like structure transparent to one or more wavelengths of light. The sheet-like structure has a viewing surface and comprises a diffusing pattern configured to create destructive interference of a selected wavelength of light traveling in a direction normal to a plane of the viewing surface of the screen.

Abstract: A system and method for mounting a light engine assembly is provided. More specifically, the system comprises a housing structure including an upper portion and a lower portion, a mounting structure coupled to the housing structure, wherein the mounting structure is not affixed to the lower portion, and a light engine coupled to the mounting structure.

Abstract: A protector includes a projector body which has an image display unit which displays an image, a member to be projected onto which an image emitted from the image display unit is to be projected, and a connecting part capable of holding the member to be projected and the projector body at a predetermined distance therebetween and capable of accommodating the member to be projected within the projector body. The member to be projected can be unfolded in an in-plane direction.

Abstract: A cabinet is provided in a projection apparatus including a rectangular screen (200), and an optical engine (300) that projects an image onto a back surface of the screen (200) from a lower side thereof. The cabinet includes a screen frame (100) that holds four sides of the screen (200) and has at least an upper-side frame (1) that supports an upper side of the screen (200), a bottom plate (9) that holds the optical engine (300) and has an end portion mounted to the screen frame (100), and a reinforcing stay (10b) that connects the upper-side frame (1) of the screen frame (100) and the other end portion of the bottom plate (9) along a contour of light ray (18a) projected onto the screen (200).

Abstract: A projector that includes a laser beam source that outputs a laser beam that is modulated based on an image signal and a screen on which the light beam is projected. The projector also includes a scanning unit that scans the laser beam within a predetermined surface and a scan monitoring unit that monitors scanning of the scanning unit and outputs a result of the monitoring. The projector further includes a beam light supply stopping unit that controls the laser beam source so as to stop output of the laser beam based on the result of monitoring output by the scan monitoring unit.

Abstract: A projection system includes a cabinet having a surface with an aperture therein, a projector disposed within the cabinet, adapted to project light through the aperture in the surface of the cabinet, and a lens disposed in the aperture to project the light onto a screen disposed generally non-parallel to the cabinet surface having the aperture.

Abstract: A display stand is camouflaged as ordinary furniture, such as a dresser with mirror combination for the bedroom or as an armoire. The stand conceals another object, such as a television display, when one doesn't wish to observe that object, but otherwise exposes the object to view. Supported in a stationary position at least a vertically positionable opaque mirror or panel located directly in front of the television display when the television is not in use prevents the display from being viewed. The mirror or panel is supported by an electric elevator platform or lift inside the furniture, which, at the viewers option, is selectively vertically moved by the lift to a full up position that blocks a view of the stationary object or to a full down position inside the dresser that uncovers the object.

Abstract: A projection television apparatus includes: frame; rear projection screen; and projector unit for emitting image projection light beam onto rear of screen; wherein projector unit includes; illuminating means, image forming means for modulating light beams on basis of image information, and projection lens for projecting image onto screen; optical axis of projection light beam is bent with optical axis of projection lens; part extending from image forming means to projection lens is separated from light source side unit, and part extending from image forming means to projection lens is formed as integrally coupled body into image emergence side unit; support mechanism for supporting image emergence side unit with frame rotatably around optical axis of projection lens along plane orthogonal to optical axis, image adjusting mechanism by rotation for adjusting angle of rotation around optical axis of projection lens, and securing mechanism for image emergence side unit with frame are provided.

Abstract: An apparatus and method are disclosed for an electronic device (100) to incorporate two housing members (104, 106) to expose a first portion (112) of a display or screen (110) when closed. When the two members (104, 106) are moved to open the housing (102) the display or screen (110) is moved to a position angularly displaced from its former position with respect to the housing (102). A second portion (114) of the screen (110), larger than the first portion (112), is exposed and used for displaying text, images or other graphics.

Abstract: A rear projection display includes a projector for projecting light from a light source as an optical image, an exterior cabinet for enclosing the projector, a projection screen provided for the exterior cabinet on which the optical image is projected, and two or more optical sensors provided in a region where the optical image is projected from the projector other than an image display region.

Abstract: A video system includes a video projector located in a housing a display screen disposed adjacent to the housing, wherein the display screen is capable of being tilted to expose the video projector, logic for generating a test image to display on the tilted display screen in order to calibrate the video projector, logic for projecting the test image onto the tilted display screen; and logic for calibrating the video projector using the test image. The test image is altered to fit the tilted display screen.

Abstract: A display shelf system includes a display shelf, which includes a plurality of placing tables which are adapted to have an article placed thereon. A plurality of transmission-type screens are arranged with the placing tables, respectively. A projector projects a projector image, and a light guide of the display shelf leads the projector image onto the rear sides of the transmission-type screens. The transmission-type screens have curved surfaces which are inclined to face toward a lateral direction with respect to a front of the display shelf, so that the transmission-type screens are easily viewable by viewers who are in the lateral directions of the display shelf.

Abstract: An operating element with freely programmable symbols is provided for a motor vehicle, having a transparent keycap movably accommodated in a housing, a light source arranged in the operating element, a means for parallelizing the light emitted by the light source, and a programmable display element that can be transilluminated by the parallelized light, wherein the display element is arranged behind the keycap in such a manner that the symbols displayed by the display element are projected onto the keycap, wherein the means for parallelizing the light is designed as a concave mirror, and in that the light source is located between the display means and the concave mirror.

Abstract: An assembly for use in a projection system includes a plurality of optical elements, such as one or more mirrors, a light engine, and a screen, and a monolith. The optical elements are coupled to the monolith to provide a central element of reference, thereby enabling alignment based on the central element of reference.

Abstract: A rear projection apparatus includes a display housing, a first screwing device, and an optical engine. The display housing has a fourth hole and a first fixing component. The optical engine includes a covering and a plurality of optical components. The plurality of optical components is fixed inside the covering. The covering is fixed on the housing directly. A first hole and a third hole are formed on the covering. The first screwing device is inserted into the third hole and the fourth hole. The first fixing component is inserted into the first hole. The plurality of optical components projects an image beam into an image on a screen.

Abstract: An image display controller for a display shelf generates image data for a projector image which is projected by a projector arranged in the display shelf to be displayed on a transmission-type screen of the display shelf. The image display controller includes a monitor, an input device, a data communicator, a memory, and a controller. The controller obtains an editing background image from the memory and displays the editing background image on the monitor, and generates contents of a display image. Moreover, the controller sets a position of the generated display image in a desired position of a display area of the editing background image in response to an instruction inputted via the input device, and generates the projector image by combining the generated display image into the editing background image at the set position.

Abstract: 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, the image display section being exposed from the lateral portion; and a bottom portion extending from a lower end of the lateral portion toward a rear side of the device, an opening for introducing air outside the casing is formed in the bottom portion, and an air filter for cleaning the air passing the opening is provided at the opening such that the air filter can be inserted to/removed from the lateral portion.

Abstract: 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, torsion correcting means for operating to rotate a second eccentric cam or/and a third eccentric cam provided at the ends of a second side opposed to the first side of the reflecting mirror, thereby moving up and down both ends of the second side of the reflecting mirror to correct the torsion of the reflecting mirror, and a rotation operation portion provided at each of extended ends of camshafts provided at the eccentric cams to correct the flexure and torsion of the reflecting mirror.

Abstract: A method and apparatus senses light reflected off of a surface of an object at angles with respect to incident light.

Abstract: A rear projection apparatus includes an optical engine, a screen, a projection lens disposed between the screen and the optical engine and a condensing element disposed on the screen and between the screen and the projection lens. The center of condensing element is substantially offset from the center of the screen. The optical engine includes a light source suitable for providing a light beam and a display device suitable for transforming the light beam into an image light beam. The projection lens is disposed on the transmission path of the image light beam and the position of the projection lens is offset from the center of the display device. The optical axis of the projection lens on the screen is offset from the optical axis of the condensing element. The display device has a common plane with a normal vector not parallel to the optical axis of the projection lens.

Abstract: An exhaust device of an image display is provided. The exhaust device includes a supporter and an exhaust cover. The supporter is connected to and supported by a back cover of the image display, and is protruded toward an inside of the image display, and has openings formed thereat forming an exhaust channel. The exhaust cover is connected to and supported by the supporter, and is formed on the exhaust channel so that the exhaust channel is diverged into plural directions.

Abstract: There is provided a rear projector capable of preventing entry of dust. A cabinet of the rear projector has a front side thereof formed with an opening. A screen panel slightly larger in size than the opening is attached to the front side of the cabinet such that the opening edge portion of the opening of the cabinet and the periphery of the screen panel are opposed to each other. The screen panel receives projection light projected from behind for image display, and thereby displays an image thereon. A projector unit is disposed within the cabinet, for projecting the projection light. A dust-proofing sealing member is disposed between the periphery of the screen panel and the opening edge portion, the screen panel is attached to the housing.

Abstract: 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 supporting the CRT assembly, and a lower frame coupled to the bottom of each support frame, supporting the support frame. With this configuration, the present invention provides a projection television having a support casing whose weight is reduced, thereby facilitating transportation thereof and reducing the cost of production and transportation, etc., and further being unlikely to be deformed or deteriorated because of changes in temperature and humidity.

Abstract: 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, a lower cabinet to accommodate the optical engine and the circuit unit, and a partition plate provided in the lower cabinet to partition the lower cabinet into an upper accommodating portion and a lower accommodating portion to allow the lower cabinet to separately accommodate the optical engine and the circuit unit. In the projection apparatus, the optical engine and the driving circuit are separated from each other, thereby improving a cooling efficiency and a working efficiency, and providing a design having various appearances.

Abstract: A portable, lightweight easel for assisting in the tracing of figures is provided. The base has an interior volume with a projector and ancillary art supplies disposed therein. The projector has a light source and a receptacle for receiving a light-transmissible medium having at least one image formed thereon. A writing plane is attached to the main base and angled above the interior volume. It was an upper surface and a lower surface. The writing plane includes a translucent window-like portion between its upper and lower surfaces. The projector shines light through the medium and projects the image through the window and onto the lower surface of the writing plane so that the image is visible on the upper surface of the writing plane. Multiple images may be provided on a single medium, and the easel may be provided with multiple media each bearing different images.

Abstract: A video screen storage and deployment system, typically for large, flat screens. The system comprises a stationary portion and an active portion, with the active portion having a stowage position and a display position. In the stowage position, the video screen is oriented in a first screen position. In the display position, the video screen is oriented in a second display position, with the first and second screen positions being rotated about 90° from one another.

Abstract: In the present invention, there is disclosed a reflective mirror whose contrast or resolution performance is equal to that of a surface mirror of a glass mirror for general use and which does not have any problem in reliability of resistance to environment and whose color shift or brightness performance is inhibited from being degraded. For this, in the present invention, a reflective film is formed on a glass substrate by use of silver mirror reaction, and a topcoat is formed of a colorless/transparent resin. At this time, a wavelength of a crest of a ripple indicated by a reflectance characteristic is constituted to substantially agree with that of a green luminescent line. Accordingly, a back projection type video display device which is satisfactory in the contrast or resolution performance can be prepared.

Abstract: An improved coupler with contrast ribs for use in a projection system. The coupler supports a projection lens in alignment with a projection optical signal generation device (e.g., a Cathode Ray Tube). The contrast ribs minimize contrast distortion that occurs in the coupler. The coupler defines a cooling chamber between said projection lens and said projection signal generating device and is filled with liquid in order to transport the optical signal between the projection optical signal generation device and projection lens. The contrast ribs change the angle of reflection of stray light rays generated by the projection optical signal generation device and direct a portion of those stray light rays to other contrast ribs. The ribs are preferably coated with a chemical composition that helps allow the ribs to absorb a portion of each ray incident on the rib.

Abstract: A light-source unit is disposed such that illumination light is horizontally emitted relative to an oblong screen. Three liquid-crystal display panels respectively have a liquid-crystal display surface of a rectangle. The display panels are disposed in a lengthwise posture and in a state that longer sides of the display surfaces are parallel with each other. At the same time, all the longer sides are perpendicular to a reference plane. A projection optical system is provided with a reflex mirror for perpendicularly bending an optical path. A rotation optical system for rotating projection light by 90 degrees is constituted of the reflex mirror and a plane mirror disposed behind the screen.

Abstract: 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 CRT assembly. The CRT bracket is made of a conductive metallic material, thereby reducing deformation and deterioration because of changes in temperature and humidity, discharging heat generated from the CRT assembly, and blocking EMI.

Abstract: An image display device includes an optical imaging arrangement for providing image information to illumination light and for transmitting the image information as an optical image signal; a projecting optical arrangement for receiving the optical image signal and for projecting the optical image signal; a display for receiving the optical image signal through the projecting optical arrangement and for displaying an image based on the image information; and a plane mirror for reflecting the optical image signal output from the projecting optical arrangement on the display.

Abstract: A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image light is P-polarized to the screen (7). Therefore, reflection of light on the screen (7) is reduced.

Abstract: A projection display apparatus includes a display panel provided with first electrodes, a circuit board provided with a drive circuit including second electrodes for driving the display panel, a projection lens support provided with a projection lens for projecting an enlarged image onto a screen, and a holder provided with a connector for the first and second electrodes and with a positioning device for the holder and the projection lens support. The first electrodes of the display panel and the second electrodes of the circuit board are electrically connected by the connector of the holder, respectively. The projection lens support is positionally aligned and connected with the holder by the positioning device for optical alignment of the projection lens.

Abstract: An image display device includes a case having an opening, a luminous source image display displaying a first image, a focusing element receiving light from the source image display and focusing the light to form a second image that is viewable through the opening of the case, and an image source providing image information to the source image display so that the source image display displays the first image. The focusing element has a concave mirror and a mirror supporter that supports the concave mirror. The perimeter of the concave mirror has at least one straight- cut portion that has a line contact with the mirror supporter. The image information provided by the image source is changed with user interaction.

Abstract: A projector 10 projects an image onto a set of screens 14 for image formation. The set of screens 14 includes a first screen 50 and second screens 54 and 56. The projector includes a housing 20, a first screen fixture 74 and a second screen fixture 76. The housing 20 has an opening 30 for fitting the first screen 50 therein. The first screen fixture 74 positions the first screen 50 in the housing opening 30 and fixes an inner surface of the first screen 50 adhesively to the housing 20. The second screen fixture 76 is positioned between the first screen 50 and the first screen fixture 74, and fixes the second screens 54 and 56 between itself and the inside of the first screen 50.

Abstract: 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 another.

Abstract: 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 back of the screen, an image projector for projecting an image on the screen, a screen frame fit on the peripheral edges of the residual back panels with a plane smaller than the front panel, a double-side adhesive tape inserted between residual back panels and the screen frame for uniting them together, a single-side adhesive tape applied across the peripheral edges of the front panel and the screen frame for uniting them together, and a housing for accommodating therein the image projector and for holding at its opening the screen via the screen frame so as that the front panel of the screen exposes outside.

Abstract: In an illumination optical system and a color combining optical system of a projection apparatus using three image display elements, the object of the present invention is to reduce misconvergence of enlarged images displayed on a screen. The present invention provides a projection apparatus including light-detecting elements provided outside of an effective screen display area. An active region of image display elements for each color beam is controlled respectively based on results of the light-detecting elements in order to adjust display position of each color beam on the screen.