Abstract: Provided is a light emitting device of an electronic device, provided with a DLP (Digital Light Processing) projector and a display unit, which is configured in such a manner that the light generated by the operation of the DLP projector can be re-used as a backlight light of the display unit. The disclosed light emitting device includes a first mirror for projecting a light of the DLP projector on a flat area provided ahead of the first mirror in an intermediate operation state of the first mirror; a light concentration mirror for converging the light projected on the flat area, the light concentration mirror being provided at a position adjacent to the flat area; and an optical fiber for transferring the light converged by the light concentration mirror to the display unit and enabling re-use of the transferred light as a light for a backlight of the display unit.

Abstract: A light emission device includes: first and second clad layers sandwiching an active layer; a first electrode connected with the first clad layer; and second electrodes connected with the second clad layer, at least part of the active layer forms gain areas corresponding to the second electrodes, the gain areas extend from a first side to a second side of the active layer while inclined to a vertical of the first side, at least first and second gain areas form a set of gain areas and a plurality of sets are provided, the first and second gain areas in each set are disposed perpendicular to a direction extending from the first side to the second side, the second electrodes above the first gain areas are interconnected by a first common electrode, and the second electrodes above the second gain areas are interconnected by a second common electrode.

Abstract: The invention relates to an image viewing system for aircraft passengers, characterized in that it is embodied in the form of a module (10) which comprises a unit (20) for displaying images originating from at least one image source (12, 14, 16), the display unit being tied to an internal wall of the aircraft, in a position parallel to a floor of the aircraft.

Abstract: A laser illuminating device and an image display device are provided to enable a removal of speckle noises in a diffraction field and an image field, to uniformly illuminate an illumination plane, and to realize miniaturization. The laser illuminating device 100 includes a laser light source 3 and a first lens 1 including a plurality of microlenses 10, each having a predetermined numerical aperture in an in-plane direction, and each of the microlenses 10 being adapted to expand laser light emitted from the laser light source 3 to thereby superimpose the laser light transmitted through each of the microlenses 10. The laser illuminating device 100 also includes a second lens 2 having an effective diameter larger than an effective diameter of the first lens 1, and compensating for a divergence angle of the laser light expanded by each of the plurality of the microlenses 10.

Abstract: A mobile projector apparatus includes a light source, a modulation unit modulating light of the light source using a picture signal, a projection lens magnifying and projecting the modulated light of the light source, a battery supplying electric power to the light source, an acceleration measuring unit measuring an acceleration applied to the mobile projector apparatus, a usage state detecting unit detecting whether or not the mobile projector apparatus is in an unused state, and an extinguishing unit extinguishing the light source based on outputs of the acceleration measuring unit and the usage state detecting unit.

Abstract: A method for positioning a light modulation element of a projector. The projector including a first light modulation element unit having first through third light modulation elements and a second light modulation element unit having fourth through sixth light modulation elements. The projector further including a combining system for combining a first image light supplied from the first light modulation element unit and a second image light supplied from the second light modulation element unit and supplying the combined light, and positioning the first light modulation element unit and the second light modulation element unit such that color of combined light of color lights obtained from the first light modulation element, the second light modulation element, and the sixth light modulation element becomes a predetermined color.

Abstract: Method to display an image using four or more primaries having different spectral distributions that are distributed into three groups of primaries, wherein, in a visual color space, all primaries belonging to the same group have the same visual color and are metamehc. Each image being got from a combination of three primary images and each primary image being associated with each visual color of a group, the different primaries of each group are spatially or sequentially distributed over the primary image associated with this group, then allowing an efficient anti-copy protection based on metamerization of images, without any supplemental video processing.

Abstract: A stereoscopic image projection system using a circular polarization filter module is provided. Even though this system uses a single projector, it allows left and right images to have different polarization directions using the circular polarization filter module, thereby reducing crosstalk compared to an LCD-shutter-based system.

Abstract: In a coherent light projection system including an image forming system, a relay system, a speckle reduction element, and a projection subsystem, the relay system can have a first f-number, and the projection subsystem can have a second f-number less than the first f-number. The relay system can have a first working distance, and the projection subsystem can have a second working distance less than the first working distance. The image forming system can project an initial image having a first size, and an intermediate image can have a second size greater than or equal to the first size. The speckle reduction element can have a curved surface through which the intermediate image is transferred. The speckle reduction element can include a lenslet arrangement formed on a surface thereof. The speckle reduction element can be moved in a direction parallel to an optical axis of the speckle reduction element.

Abstract: An image display system includes an image display apparatus and an image signal supply apparatus which are connected to each other via an interface and displaying an image based on an image signal supplied from the image signal supply apparatus on the image display apparatus, wherein the image signal supply apparatus includes: an imaging unit taking an image of a subject; a movable holding unit holding the imaging unit and having a first state and a second state other than the first state; a state detector detecting which state of the first state and the second state the movable holding unit has; and an image signal supply apparatus controller transmitting the image acquired by the imaging unit and the detection result of the state detector via the interface, and wherein the image display apparatus includes: a state detection result acquiring unit acquiring the detection result of the state detector transmitted from the image signal supply apparatus; and an image display apparatus controller displaying a pred

Abstract: A projection system includes: a projection device mounted at a member that moves through space and projects an optical image; a detection device that detects relative position assumed in the space by a projection target surface onto which the optical image is projected and the projection device; and a control device that controls projection by the projection device in correspondence to the relative position detected by the detection device.

Abstract: The invention relates to a light projection system (10) for use in conjunction with a display device (40). The light projection system comprises a light source for emitting light being modulated by video and/or audio content of the display device (40), and a light guide (20). The longitudinal light guide guides light emitted by the light source substantially along a longitudinal axis (26) and projects the light propagating through the longitudinal light guide on a projection surface (50). The longitudinal light guide comprises: a light input window, and a plurality of light out-coupling elements. The plurality of light out-coupling elements project the light on the projection surface via light out-coupling elements comprising sub-sets (70a, 70d) of light out-coupling elements. A particular sub-set (70a, 70d) is arranged for substantially illuminating a particular area (50a, 50d) of the projection surface (50).

Abstract: A projection type video display apparatus includes a projection lamp and a video signal processing circuit which performs video processing to an input video signal. The projection type video display apparatus includes means for performing an initializing process of the video signal processing circuit in a period until brightness of the projection lamp reaches brightness enough to project video since the projection lamp is lit and in a period except for a period during which lamp lighting noise is generated immediately after the projection lamp is lit.

Abstract: A roll bar for protecting a projection mirror is attached so as to avoid exerting an external force to the projection mirror portion, direct thereto upon a turnover the projection apparatus. Further, in the case of no attachment of the roll bar for protecting the projection mirror portion, the projector apparatus is prevented from being started. Further, when the projector apparatus is carried away, the roller bar for protecting the projection mirror serves as a handle.

Abstract: A system for displaying information via a light source on rotating helicopter blades of an aircraft such as a helicopter is provided. The light source may be a laser light source and the light therefrom may be directed onto the aircraft blade by one or more motion controlled mirrors and a computer controller. A sensor is capable of determining the position of helicopter blades during rotation, such that light may be projected upon only the moving blade at precisely timed intervals, so as to form perceivable graphics and/or messages thereon. In addition, such system may be utilized for displaying graphics and/or messages on rotating propellers of fixed wing aircraft.

Abstract: In one tiling system described below, a first portable projection device (101) projects a first image (103) on a projection surface (105). A periphery delimiting light source projects a peripheral image demarcation (107), which can be non-visible light, about the first image (103). A second portable projection device (102) projects a second image (104) on the projection surface (105) with a second peripheral image demarcation (106). The first peripheral image demarcation (107) and the second peripheral image demarcation (106) can be uniquely encoded. A control circuit (229) that is operable with the one or more light sources and a light modulator is configured to tile images by altering its image as a function of the peripheral image demarcations.

Abstract: A display device (100) of the present invention has a first switch (3) and a second switch (4) on an upper surface of its casing, and includes a control circuit (18) for controlling the first switch (3) and the second switch (4) and a light source (19) inside the casing. The control circuit (18) performs control so that the light source (19) is turned on when the second switch (4) is pressed after a predetermined period of time has passed from when the first switch (3) was pressed. Thereby, the display device (100) of the present invention prevents entering of a person into a projection area before projection of video, and controls inadvertent start-up.

Abstract: Disclosed are a display apparatus and a light control method thereof, in which the display apparatus including a display panel, a light source unit, an illumination unit to illuminate the display panel with light emitted from the light source unit, and a projection unit to project the light from the display panel in a predetermined direction includes: a light sensor which is provided between the light source unit and the illumination unit; and a light controller which corrects brightness of light sensed by the light sensor on the basis of reflective characteristics of the display panel. With this configuration, the quantity of light is prevented from decreasing so as to prevent the brightness of an image from decreasing.

Abstract: A light guide of the tapered-waveguide type includes an input slab (30) for expanding a projected image between an input end and an output end (40); and a tapered output slab (10) arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide (30) is greater in the transverse direction away from the centre line C, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide (10) bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion.

Abstract: A mobile terminal having a projector and a method for controlling a display unit in of the mobile terminal are provided. The method includes outputting, if a presentation application is selected, a screen image for performing the selected presentation application through the display unit and the projector, turning off power supplied to an entire area of the display unit, and performing, if a touch is detected through the touch screen, a function according to the detected touch in the selected presentation application.

Abstract: A packaging product for projectors is described, wherein the package contains a projector which has been preloaded with program material for projection, and wherein a prospective purchaser of the projector may see a preview of the program material which is contained in the projector. The controls for the projector are available within an opening in the package, and a visible light reflective surface is provided to view the projected image. In this manner, the prospective purchaser will obtain an idea of the nature of the program material contained within the projector, as well as being able to determine the functionality of the projector and, to a greater or lesser extent, the quality of the projection.

Abstract: A portable type information device includes: a projector device that, with illumination light from a light source unit, projects a projection pattern which has been created upon an image pattern generation unit to an exterior of the portable type information device via a projection lens; and a power supply command device that commands the projector device to turn ON only a power supply to the light source unit. The projector device is configured to be utilized as a simple electric torch. In addition, by retracting the image pattern generation unit from an optical path for projection, the illumination light can be irradiated to the exterior effectively.

Abstract: A display system for a center stack of a vehicle is disclosed including a translucent material and a projection system. Dynamic graphical content derived from an input by a passenger of the vehicle via at least one of simulated controls and hard-tooled switches is projected onto the material by the projection system.

Abstract: A projector includes an interface unit, a control unit, and a projection unit. The interface unit includes a plurality of ports, each of which connects to a corresponding connector to allow the projector to connect to a corresponding signal source. The control unit identifies format of information read from the corresponding signal sources via the interface unit and identifies which port is connected. The projection unit projects a menu image, the menu image comprising a plurality of icons, each associated with a corresponding port and configured for indicating connection states of the corresponding ports.

Abstract: A cooling device which prevents ambient persons from being exposed to an unpleasant feeling as much as possible by properly controlling an exhausting direction of the air which is used for cooling and exhausted from a chassis and an image projection apparatus having the cooling device are obtained. The cooing device cools first and second members to be cooled provided in the chassis, has first and second exhaust fans for guiding winds which have cooled the respective first and second members to an outside of the chassis, and is characterized in that the first and second exhaust fans are arranged so as to face the same surface of the chassis and the winds exhausted from the first and second exhaust fans are mixed.

Abstract: A video projector includes a reduced size spatial light modulator (400) that spatially modulates light from a light source (502) according to only a portion (e.g., ½) of a video frame at a time. A beam steerer (508, 600, 1600) steers spatially modulated light from the spatial light modulator to a correspond region (e.g., upper half, lower half) of a projection screen/surface (512) and one or more lenses (506, 510, 702, 802, 1002, 1008, 1100, 1300, 1502) insure that the spatially light modulator (400) is imaged onto the projection screen/surface (512).

Abstract: An apparatus is provided for determining motion between a first and second video image. The apparatus includes an input device for receiving the first and the second video image with a plurality of pixels, a block selector for selecting a block of pixels within the first video image, a search area selector for selecting at least part of the second video image to produce a search area, a sampler for sampling the pixels of the search area in a predetermined pattern and a comparator for comparing the selected block of pixels within the first video image with at least one block of the sampled pixels of the search area to determine the motion of the block of pixels between the images. The pattern of sampled pixels varies throughout the search area.

Abstract: A short-throw projector and Interactive White Board (IWB) mounting system is presented. The mounting system includes a pair of board mounting brackets, such that a section of the board mounting bracket is positionable a predetermined distance from a mounting surface. The mounting system further includes projector mount bracket wherein a portion of the projector mount bracket is also positionable a predetermined distance from a mounting surface such that a desired distance is maintained between the projector and the IWB when the system is installed over an existing structure.

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 position adjustment device for an integration rod includes a fixed plate, two resilient members, and two adjusting screws. The first resilient member is positioned between the fixed plate and the rod for exerting an elastic force on the rod in a first direction, and the second resilient member is positioned between the fixed plate and the rod for exerting an elastic force on the rod in a second direction different from the first direction. The first adjusting screw is inserted through the part of the housing and has a first end surface that presses against one side surface of the rod opposite the first resilient member. The second adjusting screw is inserted through the part of the housing and has a second end surface that presses against one side surface of the rod opposite the second resilient member. The first and the second end surface are arc surfaces.

Abstract: An illuminating device adapted to a projecting apparatus including a lamp module, a power module, and a fan is provided. The lamp module is separately disposed in the projecting apparatus. The lamp module has a lamp, an igniting module and a plate. The igniting module is capable of generating a high voltage signal to drive the lamp. The plate is disposed between the lamp and the igniting module for shielding radiating heat generated by the lamp. The power module is capable of generating a low voltage signal transmitted to the igniting module through a low voltage power line. The igniting module transforms the low voltage signal into the high voltage signal to drive the lamp. The fan is disposed at a first side of the lamp for cooling the lamp.

Abstract: A projector device that generates a projection image, photographs this projection image and performs various adjustments to the projection image.

Abstract: Electronic equipment according to the present invention can be attached removably to another device with screws 5a and 5b. The equipment includes: a housing 1; a through hole 4d that is formed in the housing 1 and in which each of the screws 5a and 5b is inserted and supported; and a bush 21 that can be attached removably to a head 5c of each of the screws 5a and 5b that is inserted and supported in the through hole 4d. The bush 21 includes a through hole 21 into which the head 5c of each of the screws 5a and 5b can be pressed and mounted. At least a part of the bush 21 is in contact with the housing 1 when the head 5c of each of the screws 5a and 5b is pressed and mounted into the bush 21. Thus, it is possible to provide electronic equipment in which screws are less likely to come loose even when subjected to a disturbance such as vibrations.

Abstract: Methods and apparatus for projecting a tangible image of data characterizing an object onto a surface of the object itself. Three-dimensional measurements of the object are obtained, the measurements are processed for projection, and a tangible image is projected onto the object, the image conveying information based on the three-dimensional measurements. The image may be projected concurrently with performance of measurements. In an exemplary dental context, information derived in part from three-dimensional measurements of a tooth or replica may be projected onto the actual tooth or replica. In interactive application, a work piece is be measured during the course of fabrication, and three-dimensional information, derived from contemporaneous non-contact measurement, is projected onto the work piece in order to direct the user with the formation of the work piece.

Abstract: An optical device that includes a light modulation device, a projection optical device, and a retention member that holds the light modulation device and the projection optical device. The retention member includes: a projection optical device attachment section for attach the projection optical device; and a light modulation device attachment section that is provided for attachment of the light modulation device with a protrusion to a side opposite to the projection optical device along an optical-axis direction of the projection optical device, and the projection optical device attachment section includes: a fixing section that fixes the projection optical device substantially at a position of the center of gravity; a support section that is disposed opposing the fixing section in the optical-axis direction, and supports the light modulation device attachment section; and a connection section that connects together the fixing section and the support section.

Abstract: In an image projection apparatus, a sensed image obtained by sensing a projection surface, which contains a projected image, is obtained. Then, a difference image obtained by removing the projected image from the sensed image is used to detect a region corresponding to a predetermined object such as a user's hand or a pointer. Then, a user operation is determined based on the position and temporal variations of a particular portion of the region corresponding to the predetermined object.

Abstract: A portable computer with a projecting function includes a main body, a display module, a pivot, and a projection module. The display module is connected to the main body via the pivot and capable of rotating relative to the main body. The projection module is disposed on the pivot for projecting the information of the main body. The portable computer is, for example, a laptop computer, or a tablet computer.

Abstract: A portable material exhibiting apparatus comprises a base assembly having a pivoting base, the pivoting base being disposed on one side of the base assembly; a retractable rod assembly having one end pivoting to the pivoting base; and an image capturing module having one end pivoting to the other end of the retractable rod assembly. Therefore, when carrying the portable material exhibiting apparatus, the image capturing module may rotate to be parallel with the retractable rod assembly. The retractable rod assembly may shorten its length and rotate to be parallel with the base assembly. Via this arrangement, the spaced occupied by the portable material exhibiting apparatus is reduced greatly.

Abstract: A projection-type display apparatus includes an optical engine that forms an image with a laser beam from a laser light source; and an optical fiber that connects the laser light source and the optical engine. The optical engine includes a rod integrator that equalizes an optical-intensity distribution of the light beam output from the laser light source, and a rod fiber-fastening unit that fastens the rod integrator and the optical fiber to face each other such that a gap between an input facet of the rod integrator and an output facet of the optical fiber is large relatively to a wavelength of the light beam propagating through the optical fiber.

Abstract: An image recording apparatus includes an apparatus body, a recording section for forming an image, a display panel assuming upright and laying posture with respect to the apparatus body by pivoting on a predetermined axis, and a covering member having a first end and a second end. The first end is mounted pivotably on one of the apparatus body and the back surface of the display panel. The second end engages slidably with the other of the apparatus body and the back surface of the display panel. Accordingly, the covering member can be accommodated substantially in parallel with the back surface of the display panel. As a result, when the display panel is laid down, it is low in height, thereby making the image recording apparatus to be compact.

Abstract: An optical engine is provided, including an imaging module, a driver module and a connecting unit. The imaging module includes an imaging housing with an imaging space and an imaging unit installed in the imaging space. The imaging housing is made of a conductive material. The driver module includes a driver housing with a driver space and a driver circuit board installed in the driver space. The connecting unit includes at least one of the cables is electrically connected to the imaging unit and the driver circuit board and at least a protruding module protruding from the imaging housing (or the driver housing) to contact with the driver housing (or the imaging housing). The cable is installed in the protruding module made of a conductive material.

Abstract: The invention provides an illumination optical system that guides light emitted from light source device 1 to DMD 2, the illumination optical system including: light tunnel 20 that uniformizes luminance distribution of light emitted from light source device 1; relay optical system 40 that guides light having uniformized illumination distribution to DMD 2; and shield board 30 disposed on an optical path between light tunnel 20 and relay optical system 40. Shield board 30 is smaller than outlet end face 22 of light tunnel 20 and at the same time has an opening of a shape similar to the image formation area on DMD 2, and is movable in a plane containing the opening.

Abstract: An electronic device includes: a moving part; a projector device provided to the moving part; and a projection control unit that starts projection of an image by the projector device according to the state of the moving part, and the projection control unit starts projection of an image when a first time period has elapsed with the moving part in a predetermined state.

Abstract: A beam projection apparatus and method with automatic image adjustment. A beam projection apparatus includes an actuator module being operable to move the beam projection apparatus, a beam projector being operable to project images, and a control module being operable to search surrounding structures around the beam projection apparatus and select a plane portion of the surrounding structures as a screen, to control the actuator module to move the beam projection apparatus for image display on the selected plane portion, and to control the beam projector to project the images on the selected plane portion.

Abstract: A system and method to display a plurality of different images at multiple distinct locations using a single image projector and an image propagation control means to control a propagation pathway from the projector to a display at each location.

Abstract: A device for navigating and displaying digital media, such as images, videos, audio files etc, is described. The device determines the distance between the device and a projection screen and selects media for display based on this distance. A user can, therefore, navigate through a media collection by moving the projection screen with respect to the device.

Abstract: A laser projection system includes a light source, a speckle reduction adjustable optical component and a scanning adjustable optical component. The light source includes at least one laser configured to emit an output beam. The speckle reduction adjustable optical component rotates about a speckle reduction axis. The scanning adjustable optical component rotates about two axes. The laser projection system is programmed to generate a scanned laser image on the projection surface by operating the laser for optical emission of encoded image data and controlling the scanning adjustable optical component to rotate about the two axes to scan the output beam in first and second directions. The laser projection system is also programmed to rotate the speckle reduction adjustable optical component and the scanning adjustable optical component such that the output beam illuminates common portions of successive image frames at a different angle of incidence on the projection surface.

Abstract: An imaging system (200) is configured to reduce perceived speckle (106) in images (201) by introducing angular diversity into consecutively projected images. The imaging system (200) includes one or more laser sources (203) that are configured to produce one or more light beams (215). A light modulator (204) scans these light beams (215) to produce images. A light translation element (206) introduces the angular diversity by physically altering a light reception location (208) on the light modulator (204) between refresh sweeps. To preserve image stability, image data (220) in a memory (218) can be correspondingly shifted.

Abstract: A projection display apparatus may include alight source, a power supply unit, a detecting unit, a nonvolatile memory, a capacitor, and a control unit. The power supply unit supplies power from an external power supply to the light source power derived from the received power. The detecting unit detects a cut-off state in which no or no sufficient power is being received by the power supply unit. The capacitor accumulates charges in response to power being received. Following detection of the cut-off state and even after turning off the light source, the control unit is operable to carry out a data storage operation in which at least part of the data is stored in the nonvolatile memory, wherein power to carry out the data storage operation is obtained from the charges previously accumulated by the capacitor.

Abstract: A high-resolution image is generated using multiple spatially offset lower-resolution digital micro-mirror device (DMD) panels. Multiple lower-resolution subframe signals for controlling the spatial light modulators are generated from a high-resolution image signal using a resolution reduction and interpolation algorithm. The spatial light modulators under control of the subframe signals are illuminated by a light source and light beams reflected from the spatial light modulators are combined and directed onto a screen for display.