Abstract: A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form an image as an intermediate image, and includes a first lens configured to condense light, and a first optical element configured to diffuse light. The first lens and the first optical element are disposed in this order along an optical path from the display device. The first lens is inclined with respect to a reference beam which is defined as a beam reaching a center of a viewpoint region of the observer and corresponding to a center of the virtual image.

Abstract: The present disclosure relates to a patient anxiety management system for managing patient anxiety during a dental procedure. In one example, a patient anxiety management system is presented. The patient anxiety management system includes a control module that a patient can use to disactivate a medical device used by a dental professional by way of a trigger mechanism. Upon deactivating the medical device, a recording device, in communication with the control module, plays a recorded message to the patient during a programmable timeframe. Once the patient is calm, the system resets the medical device to an initial operation state by reconnecting but not reactivating the medical device so that the dental professional may resume the procedure when it is safe to proceed.

Abstract: An occulting device includes a sensor capable of capturing an image, a photochromic film disposed in a field of view of the sensor, and a projector disposed adjacent the photochromic film and capable of darkening portions of the film.

Abstract: An occulting device includes a sensor capable of capturing an image, a photochromic film disposed in a field of view of the sensor, and a projector disposed adjacent the photochromic film and capable of darkening portions of the film.

Abstract: A display apparatus includes: a light source; a liquid crystal display element which transmits light from the light source; a screen which receives projection light from the liquid crystal display element; a first polarizing plate provided between the light source and the liquid crystal display element; a second polarizing plate provided between the liquid crystal display element and the screen; and a reflective polarizing plate which is provided between the light source and the first polarizing plate and which reflects a light component parallel to a reflection axis among the light from the light source.

Abstract: Provided is a projection type image display device including an antivibration device 4 suppressing a vibration of a projection lens 2. The antivibration device 4 includes an antivibration base fixed to a display device body 1 and a friction sliding mechanism 8 provided on the antivibration base. The friction sliding mechanism 8 attenuates a vibration of the projection lens 2 by causing a lens-side sliding member 14 moving in synchronization with the projection lens 2 and a base-side sliding member 11 corresponding to a part of the antivibration base to contact each other in a pressed state so that both sliding members 14 and 11 frictionally slide on each other.

Abstract: A three-dimension light field construction apparatus is applied to constrict a light field on a viewing plane. The three-dimension light field construction includes a plurality of projectors and a rear-displaying unit. The projectors are arranged along a first axis, and each projector projects an imaging beam along a second axis perpendicular to the first axis. The rear-displaying unit comprises a linear Fresnel lens and a vertical diffuser, the linear Fresnel lens is close to the projectors. The rear-displaying unit makes each of the imaging beams converge on a virtual surface between the rear-displaying unit and the viewing plane for forming at least one intersection, so as to construct at least one light field on the viewing plane.

Abstract: A lighting apparatus is for use with a projection-receiving surface. The lighting apparatus includes a light-filtering assembly configured to block transmission of a first amount of light emitted by a light source towards the projection-receiving surface. This is done in such a way that blocked transmission of the first amount of light forms a projected shadow region on the projection-receiving surface. The light-filtering assembly is also configured to permit transmission of a second amount of light emitted by the light source towards the projection-receiving surface. This is done in such a way that transmission of the second amount of light forms a projected glow region on the projection-receiving surface. A filter-moving assembly is configured to move the light-filtering assembly. This is done in such a way that the projected shadow region and the projected glow region move and combine to form a variable curved wave pattern.

Abstract: A video projection device includes an optical engine which projects video light, an aspherical mirror which reflects the video light projected by the optical engine with a reflective surface formed in a rotationally symmetrical shape centering on an optical axis, a reflective screen on which the video light reflected by the aspherical mirror is projected, a shielding housing which houses the optical engine, the aspherical mirror, and an electric circuit portion which electrically drives the optical engine, and a strut member which connects a rear surface portion of the shielding housing, and a rear surface portion of the reflective screen in a state where the rear surface portion of the shielding housing and the rear surface portion of the reflective screen are positioned.

Abstract: An optical image lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has positive refractive power. The third lens element has positive refractive power. The fourth lens element has refractive power. The fifth lens element with positive refractive power has a convex image-side surface, wherein at least one surface of the fifth lens element is aspheric. The sixth lens element with negative refractive power has a concave image-side surface, wherein at least one surface of the sixth lens element is aspheric, and the sixth lens element has at least one inflection point on the image-side surface thereof.

Abstract: A method for setting an output of a projector of a display system, is provided. The method includes displaying an image on a projector screen using the projector, measuring a light characteristic emanating from the projector screen using a first meter on a first side of the projector screen, adjusting the output of the projector until a desired value of the light characteristic is measured at the first meter, measuring the light characteristic of light emitted from the projector, with a second meter on a second side of the projector screen, to obtain a light characteristic measurement that corresponds to the desired value, and storing the light characteristic measurement that corresponds to the desired value.

Abstract: A method and system for producing full motion media for display on a spherical surface is described. The method may include selecting a subject of full motion media for display on a spherical surface. The method may the include capturing the selected subject as full motion media (e.g., full motion video) in a rectilinear domain. The method may then include processing the full motion media in the rectilinear domain for display on a spherical surface, such as by orienting the full motion media, adding rotation to the full motion media, processing edges of the full motion media, and/or distorting the full motion media in the rectilinear domain for instance. After processing the full motion media, the method may additionally include providing the processed full motion media to a spherical projection system, such as a Science on a Sphere system.

Abstract: A pendant mounted track lighting system includes an electronic display for use in an operatory environment. In particular, the invention is directed towards a pendant mounted track lighting system that incorporates and integrates intraoral illumination for illuminating a patient's mouth area, general room or ambient lighting in the operatory environment for patients and practitioners, directional task lighting for work surface areas, and electronic display for patient stimulation. The track lighting system includes a housing assembly attached to one or more elongated members for attachment within the operatory environment, one or more ambient lighting assemblies, an intraoral light assembly having a carriage mechanism, an electronic display, and one or more directional task lighting assemblies in a single track lighting system.

Abstract: A telepresence system enhances the perception of presence of a remote person involved in a video conference. The system preferably has a two-way mirror, which is between the observer and the display device, positioned at an angle to reflect a backdrop surface. The backdrop surface may or may not appear superimposed in a position behind the image of a person from the remote location. The system preferably minimizes image distortion via an optical path for the camera line of sight that is substantially longer than the physical distance between the user and the camera. The system may be asymmetrical, in that one camera is on axis with the user's line of sight while the other camera is off axis with the user's line of sight.

Abstract: A compositing screen includes a partially or fully transparent front screen that displays one image or video and a back screen displaying another image or video. The two images can be seen simultaneously, providing a composite image.

Abstract: A system for on-product projection and display of electronic content. The system includes a projector for projecting electronic content, a mirror film stack having a reflective surface facing the projector, and a product having an exterior surface facing the reflective surface of the mirror film stack. A graphic is located on a surface of the mirror film stack opposite the reflective surface. The electronic content from the projector is projected onto the exterior surface of the product via the reflective surface of the mirror film stack. The graphic can be located on a display window and hide the mirror from a viewer without completely blocking a view of the projected electronic content. The product can include a removable projection screen for displaying the electronic content, and the projection screen can include a removable label on its non-viewer side to advertise or promote the product.

Abstract: A video projection device includes an optical engine, a projection lens, a reflection mirror, a non-spherical mirror, a screen, and a cabinet which covers the lower surface and the back surface of the screen. The projection lens and the non-spherical mirror are placed at an approximate center in the leftward and rightward directions of the screen and at a back portion within the cabinet. The reflection mirror is placed at an approximate center in the leftward and rightward directions of the screen and at a front portion within the cabinet. The video projection device further includes projection-unit structural members for integrally coupling the projection lens, the reflection mirror and the non-spherical mirror to each other, thereby forming a projection unit.

Abstract: A projection display satisfies formulas {(4FR?)/(W?TphR)}?0.015 and W??0.5, where: F is an F-number of a projection lens; W? is a diagonal size (inch number) of a light modulation element; ph is a pixel count in one side direction of the light modulation element; T is a throw ratio of the projection display (=a projection distance s/a distance L in the one side direction of a projected image on a projection plane); R is a radius of an exit pupil of the projection lens; I is an integrated light quantity obtained by, in a light quantity distribution in the exit pupil, radially integrating the light quantity up to the radius R; and I?(=I/2) is an integrated light quantity obtained by, in the light quantity distribution in the exit pupil, radially integrating the light quantity up to a predetermined radius R? about barycenter of the light quantity distribution.

Abstract: Interactive systems can include various components that are packaged together and easily assemblable. An interactive system can comprise a mount, a display device, a projector, an input device, and a processing device. The display device, the projector, the input device, and the processing device can together provide an electronic display system, while the mount can carry these other various components and assist in connecting them to one another. The mount and the other components of the interactive system can be conveniently packaged and sold as group for convenient installation by one or two persons.

Abstract: A case structure includes a covering member and a lid member. The covering member includes a main boy, a first coupling part and a first positioning part. The lid member includes a lid plate, a second coupling part and a second positioning part. The second coupling part of the lid member and the first coupling part of the covering member are engaged with each other so that the lid plate is coupled with the main body and pivotal with respect to the main body. When the lid plate is rotated to a first position, the second positioning part is interference-fitted into the first positioning part so that the lid plate is positioned with respect to the main body.

Abstract: An integrated system comprising both imaging and computing capabilities comprises a light valve and a CPU, as well as other functional members for performing computing and imaging.

Abstract: An image forming apparatus includes: a light emitting portion emitting light; an optical scanning portion scanning a display surface with the light emitted from the light emitting portion; and a changing portion rotating an image formed on the display surface through the scanning with the light by using a position near the center as a rotation axis to change an orientation of the image.

Abstract: A multi-layer projection display including first and second panels separated by a predetermined distance, wherein at least a portion of the first panel overlaps at least a portion of the second panel, and the first panel is disposed between a viewing location and the second panel. The display also includes a controller configured to cause the first and second panels to alternate between substantially opaque and substantially transparent states at a determined frequency, such that the first panel is substantially opaque when the second panel is substantially transparent, and the second panel is substantially opaque when the first panel is substantially transparent. The display further includes a projector configured to project an image onto the first panel when the first panel is substantially opaque, and further configured to project the image onto the second panel when the second panel is substantially opaque.

Abstract: According to an embodiment of the present invention a projection facility for projecting image contents onto an inside wall in an open cabin of a transport means, with which any given image contents can be projected onto a curved inside wall in a large-scale manner. The projection facility may comprise, apart from several projectors, several mirrors for deflecting the image contents. This allows image quality to be improved.

Abstract: A method and system for configuring electronic presentation units for cooperative activities, the method comprising the steps of providing a plurality of presentation units in a conferencing space including a master unit and other units, electronically identifying the other units present in the conferencing space, enabling a configuration interface for identifying a sub-set of the other units as slave units, receiving input via the configuration interface identifying the slave unit sub-set and enabling a control interface for transferring images from the master unit to each of the slave units in the selected sub-set.

Abstract: The subject matter disclosed herein relates to systems and methods for providing image projection and entertainment.

Abstract: A screen assembly and a rear-projection type graphic display device are provided to block overscanned light Lo projected outside a fresnel lens screen. The screen assembly 20A includes the fresnel lens screen 21, a screen retainer 22 and a light blocking member 23. The fresnel lens screen 21 forms an image on the side of a front surface 21b by image light Le incoming through a back surface 21a. The screen retainer 22 has a back surface 22a whose area is larger than the back surface 21a and the front surface 21b and which is opposed to the front surface 21b to hold it, and a front surface 22b located on opposite side of the back surface 22a to allow an image formed by the image light incoming through the back surface 21a to be visible through the front surface 22b. The screen retainer 22 has an optical transparency. The light blocking member 23 is arranged so as to surround respective side surfaces of the screen 21 in the form of a frame.

Abstract: An image display device having a screen having a fluorescent region including a fluorescent material; a light irradiation system, including a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a scanning unit scanning with a light beam output from each of the first light source and the second light source on the screen; and an excitation light wavelength band reflector reflecting light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen. The visible light output from the second light source is diffused by the screen, while the excitation light output from the first light source develops a color different from that of the visible light by being projected in the fluorescent region.

Abstract: An enclosure of a dichroic mirror system that synthesizes a plurality of monochromatic laser beams emitted from a laser light source to output synthesized light is a structure having a dichroic mirror system lower enclosure and a dichroic mirror system upper enclosure joined to each other, and includes a light-leakage protecting structure that is formed by a convex portion formed at an end of the dichroic mirror system lower enclosure and a concave portion formed at an end of the dichroic mirror system upper enclosure engaged with each other at a joint therebetween.

Abstract: An information technology system includes a micro projector display for displaying status, operating, troubleshooting, and location information. An image output from the micro projector display is viewable from outside the enclosure, for example on a cabinet door, an optional retractable projection screen included with the enclosure, or a floor, wall, or ceiling of a room, or other external surface. In some embodiments of the invention, a micro display projector is adapted for removable electrical and mechanical connection to one or more docking ports on the information technology system. In some embodiments of the invention, a projection direction for the micro projector display is selectable.

Abstract: An image display device having a screen having a fluorescent region including a fluorescent material; a light irradiation system, including a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a scanning unit scanning with a light beam output from each of the first light source and the second light source on the screen; and an excitation light wavelength band reflector reflecting light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen. The visible light output from the second light source is diffused by the screen, while the excitation light output from the first light source develops a color different from that of the visible light by being projected in the fluorescent region.

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: 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: An apparatus (e.g. a display) including a display substrate and a waveguide. The waveguide may guide ultraviolet light from the light source onto the display substrate. The display substrate may include light emitting material configured to emit visible light in response to absorption of the ultraviolet light.

Abstract: An image display apparatus which displays an image as a transmitted projection image includes: a tread-board of a step which has a first projection surface and transmits a projection image projected on the first projection surface; and a cross-board of the step which has a second projection surface and transmits a projection image projected on the second projection surface.

Abstract: A projection screen apparatus having a retention member configured, in use, to be in contact with at least one surface of a screen along at least a portion of at least one edge of the screen. The projection screen may include polymeric material and the retention member may be bonded to the screen. The retention member may comprise a plurality of apertures and tensioning members extending through the apertures to apply tension to the screen. A portion of each tensioning member extending through the apertures to contact the retention member may be flexible and non-resilient. The retention member may be configured to allow slidable engagement with the plurality of tensioning members. Each retention member may comprise biasing means configured to bias each retention member away from a neighboring retention member, the biasing means adjustable to vary the bias applied when the screen is in situ.

Abstract: Disclosed is a projection optical system including a projection surface configured such that an image conjugate to an object is projected, plural optical elements having a refractive power, and a deflecting element having no refractive power configured to deflect an optical path of a light beam and to pass the light beam having a deflected optical path between the plural optical elements, wherein a normal line of the projection surface at a center of the projection surface does not pass through the plural optical elements or between the plural optical elements.

Abstract: A projector for acquiring a coordinate of a bright spot includes a half transparent and half reflecting mirror (22), an imaging device (24), and a processing system (25). The half transparent and half reflecting mirror (22) is provided on a light path between the light source (21) and the zooming system (23). The imaging device (24) captures an external light ray reflected by the half transparent and half reflecting mirror (22). The processing system (25) acquires the coordinate of the bright spot according to the image of the image of the bright spot captured by the imaging device.

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: Not only abnormality of a light output to an exterior but also overturning, vibration, disassembly, deformation, or breakage of a display apparatus including a case and a screen are reliably and promptly detected. A projection display apparatus includes a light source (22) for generating illumination light, which is provided in a case (28) having a light-shielding function, a movable aperture (23) for adjusting the amount of illumination light from the light source (22), a light valve (9) for adjusting the amount of light based on an image signal to generate image light for forming an image from the illumination light, a projection optical system (10) for enlarging the image light from the light valve (9), and a transmission-type screen (29) for displaying the image, which is provided to a window of the case (28).

Abstract: An image display device includes: a screen having a fluorescent region including a fluorescent material; a light irradiation system, including: a first light source outputting excitation light exciting the fluorescent material; a second light source outputting visible light; a driving unit individually operating the first light source and the second light source corresponding to image information; and a scanning unit scanning with a light beam output from each of the first light source and the second light source in a main scanning direction and a sub-scanning direction intersecting with the main scanning direction on the screen; and an excitation light wavelength band reflector having a function to reflect light in a wavelength band of the excitation light toward the screen, and formed on an output side of a light beam from the light irradiation system with respect to the screen.

Abstract: An image display apparatus is provided that allows a user to check image content even in a place where there is no projection screen. A projector that is one mode of the image display apparatus includes a casing, a projection aperture provided in the casing, and an internal projection mirror and a built-in screen that are provided in a casing. When the projector is being folded, laser light emitted from the projection aperture is reflected by the internal projection mirror. The reflected light is projected onto the built-in screen, whereby an image is displayed.

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: 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 rear-projection image display are disclosed. For example, one disclosed embodiment provides a projector for projecting an image and a screen configured to display the image. The screen comprises a filter layer having a light reception side and an image display side. The filter layer includes an array of trapezoidal transmissive elements and an array of trapezoidal absorption elements, where a wider base of each of the trapezoidal transmissive elements faces the light reception side of the filter layer, and where a wider base of each of the trapezoidal absorption elements faces the image display side of the filer layer.

Abstract: A display device includes a display window, an light emitting portion which is disposed away from the display window by a predetermined distance, and a light guiding portion which is disposed between the display window and the light emitting portion, and which guides light from the light emitting portion to the display window. In this arrangement, the light guiding portion includes a distal end surface located on the side of the display window, and a base end surface located on the side of the light emitting portion. The base end surface has an area larger than an area of the distal end surface. Further, at least a part of the light guiding portion is formed into a tapered portion whose cross sectional area is gradually reduced, as the light guiding portion extends from the base end surface toward the distal end surface.

Abstract: A projection optical system including a projection lens, a first mirror that reflects a light from the projection lens, and a second mirror that widens an angle of a light from the first mirror by reflecting the light projects a light modulated according to an image signal from an optical engine unit. A third mirror reflects a light from the projection optical system. A screen transmits a light from the third mirror. An optical axis of the projection lens substantially matches an optical axis of the second mirror, and the light from the optical engine unit is shifted to a specific side from the optical axis of the projection lens.

Abstract: The invention has an object of providing a display device, which can freely change a display position or a display area, and can display a high grade image, and a game machine, such as a slot machine etc., which includes the display device.

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: 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.