Abstract: A projector can not only perform power on/off operation in synchronization with open/close action of a shutter but also provide a screen mute function achieved by the shutter. When the shutter is located in an OFF position and the period timed by a timer is longer than or equal to a predetermined period during the operation of the projector, the projector is powered off. In this process, after the timing operation performed by the timer and notification from a notification unit are terminated, a light source is turned off and the projector is caused to enter a standby state.

Abstract: A projection image display apparatus that enlarges and displays an image includes a case, a laser light source, a cooling mechanism that includes a component that produces vibration during an operation, a diffuser that diffuses light emitted from the laser light source, optics that shape the light that is diffused by the diffuser to light having a uniform luminance distribution and a rectangular cross-section, and an optical modulation element that modulates the light shaped by the optics.

Abstract: In various embodiments, a projection device is provided. The projection device may include a light generator for generating primary light by means of at least one light source; at least one carrier having a plurality of transmitted-light regions, the front sides of which can be irradiated by the primary light and the rear sides of which emit light, which transmitted-light regions have at least one first transmitted-light region which contains luminophore and the front side of which can be illuminated by the primary light and the rear side of which emits wavelength-converted secondary light; and at least one deflection mirror for deflecting the primary light of the light generator onto a respective transmitted-light region; wherein the transmitted-light regions have at least one further, wavelength-invariant transmitted-light region.

Abstract: A projection display device that includes a set of light source units (e.g., lasers or LEDs) and a control mechanism that monitors performance of each of the units, as well as external factors, e.g., time, ambient temperature, etc. is provided. The control mechanism may dynamically adjust each light source unit, for example, to maximize longevity. In operation, an optical modulator is configured to selectively transmit light produced by a subset of the light source units according to video data included in a video signal provided to the projection-type display device. A projection lens system is configured to project light transmitted by the optical modulator along a projection path. A sensor detects real time readings related to the performance of the set of light source units. In accordance with the readings, a control circuitry dynamically controls the laser set to dynamically vary the luminance of the set of light source units.

Abstract: A device for optically focusing a projection image projected by a projector includes a detector for controlled creation of at least one observation shot of the projection image over a time period, a processing unit for defining at least one image section within the projection image generated by the projector, where the image section is modulated over the time period with respect to the optical power and/or the optical spectrum thereof, and the at least one image section of the projection image is essentially synchronous compared with the corresponding respective image section of the observation shot, where the processing unit also calculates a variable derived from the comparison of the respective image sections and a control signal derived from the derived variable, and outputs the control signal to a focusing device of the projector.

Abstract: A projector including a first light source, a second light source that emits light having a color different from the first light source, a light modulator that modulates the light emitted from each of the first and the second light sources, and a controller that controls a first operation state in which the first and the second light sources are driven based on time division driving to perform image display and a second operation state in which the first and the second light sources are driven based on time division driving to perform illumination, wherein in the second operation state, a switching frequency at which the first and the second light sources are switched from one to the other is higher than a switching frequency at which the first and the second light sources are switched from one to the other in the first operation state.

Abstract: A projector including: a projecting unit including a plurality of light sources and a modulating unit configured to modulate lights emitted by the plurality of light sources, the projecting unit projecting modulated light modulated by the modulating unit; an optical system configured to optically change a projection state of the modulated light projected from the projecting unit; an optical-system adjusting unit configured to change a state of the optical system; a storing unit configured to store states of the optical system and adjustment values of light emission amounts of the respective light sources for adjusting white balance of the modulated light in association with each other; and a light-emission-amount adjusting unit configured to adjust the light emission amounts of the respective light sources on the basis of the adjustment values corresponding to the states of the optical system.

Abstract: An image engine and a projection system with two discrete format channels are described. The engine comprises a spatial light modulating system in each channel and a combining layer. A specific arrangement of the modulators of the two spatial light modulating systems relative to the combining layer makes it possible that one modulating system generates a landscape format image while the second modulating system generates a portrait format image in a common output path. In the projection system, a control logic addresses either the landscape channel or the portrait format channel or both channels, depending either on the format of the incoming image data, or on external controls.

Abstract: A projector including: a plurality of light sources; a modulator that modulates light emitted from each of the plurality of light sources; a projection unit that projects the modulated light modulated by the modulator; a storage unit that stores grayscales of the light sources and adjustment values for adjusting the light emission amounts of the light sources in order to make white balance of the modulated light projected through the projection unit in relation to each other; and a light-emission-amount adjusting unit that adjusts the light emission amounts of the light sources based on the adjustment values corresponding to the grayscales of the light sources.

Abstract: An image projection kit and an imagery content distribution system and method. In one aspect, the invention is a method of distributing projection clip files and/or displaying imagery associated with projection clip files on an architecture comprising: a) storing a plurality of projection clip files on a server that is accessible via a wide area network; b) authenticating a user's identity prior to allowing downloading of projection clip files stored on the server; c) identifying the projection clip files downloaded by the authenticated user; and d) charging the user a fee for the projection clip files downloaded by the user.

Abstract: Disclosed herein is an organic light-emitting diode three-dimensional image display device which comprises a first substrate, a cathode formed on the first substrate, an electron injection layer formed on the cathode, an electron transfer layer formed on the electron injection layer, an emission layer formed on the electron transfer layer, a hole transfer layer formed on the emission layer, a hole injection layer formed on the hole transfer layer, an anode formed on the hole injection layer, a wire grid polarizer formed on the anode and composed of a metal thin film pattern formed at a first angle and a method thin film pattern formed at a second angle perpendicular to the first angle, which are alternately arranged, and a second substrate arranged on the wire grid polarizer.

Abstract: Technologies are generally described that relate to imaging and viewing systems, device and methods that can facilitate private viewing of images (e.g., from streaming video). A projection display device can scramble display images such that the display images are viewable by viewers using specialized devices (e.g., eyewear) that can descramble and/or decode the projected display images. The devices may include optical elements that can be modulated to descramble the images and display the images for the viewer. Some devices may also include digital cameras that electronically capture the scrambled images and unscramble the images. Various example devices may include stereoscopic cameras to enable the viewer to see a 3-dimensional image. The images may also be transmitted wirelessly to the devices to enable the viewer to see the multimedia display while on the move and/or shared with other viewers, with limited discomfort resulting from motion.

Abstract: An image projecting apparatus that includes an illumination measuring unit that measures illumination of light illuminated on a side of the image projecting apparatus opposite a supported surface of the image projecting, an illumination calculator that calculates illumination at the projection surface based on the measured illumination, and a projection light intensity determining unit that determines luminous intensity of projection light from an image projecting unit that projects an image on the projection surface. The illumination calculator calculates illumination at the projection surface based on optical reflecting characteristics of the installation environment of the image projecting apparatus.

Abstract: A display apparatus is provided which, when projecting a video onto a curved surface of an object for display, can realize an undistorted display of the video. The measuring means outputs the distance information representing the distance to the object. Based on the distance information produced by the measuring means, the curved surface contour is detected with high precision. According to at least the detected curved surface contour distortions, pixels of the display image are unevenly rearranged to correct the video information before it is output. This arrangement realizes an undistorted display of video when the video is projected onto the curved surface of the object.

Abstract: A speckle contrast reducing method for a laser scanning projection system includes the following steps. Firstly, a laser beam is provided. The laser beam is projected on a projection surface according to a first scanning trajectory, thereby generating a first image frame. Sequentially, the laser beam is projected on the projection surface according to a second scanning trajectory, thereby generating a second image frame at an image refresh rate. Moreover, the second scanning trajectory of the second image frame is shifted by a displacement from the first scanning trajectory of the first image frame along a slow-axis direction.

Abstract: An image display device includes: an external light measurement unit measuring the illuminance of an external light a plurality of times, and generating a measurement value indicating the illuminance; a storage unit storing history data which shows the measurement values, and color mode data which shows a correspondence between the illuminance and a color mode; a determination unit, based on the history data, determining whether or not it is a changed condition wherein the illuminance changes upward or downward, or the illuminance fluctuates; and an adjustment unit, in the event that it is not the changed condition, determining the color mode to be applied based on the measurement values and the color mode data, and adjusting the color or brightness of an image in accordance with the color mode, and in the event that it is the changed condition, continuing the adjustment currently being applied as the image adjustment.

Abstract: A second projector projects and displays a measurement pattern on a projection screen while a first projector projects and displays another measurement pattern on the projection screen. The second projector causes an imaging unit to acquire a captured image including projection images of the two measurement patterns are captured, and detects coordinates of measurement points which are represented in the measurement patterns from the captured image. The second projector corrects the projection target image based on the coordinates such that the projection image by the first projector and its own projection image are in a desired relationship.

Abstract: A display system comprises a projector combined with a retro reflective screen and a viewer distance from the projector such that the observation angle is less than approximately 2-3 degrees. The brightness of the image on the screen for the proposed display system is increased by a factor of ˜100-500× as compared to traditional display systems with for an equivalent power/intensity light source.

Abstract: A method and apparatus for one-way graphics using a projector that projects an image onto a screen, wherein the screen is comprised of a non-transparent material, and the screen contains voids sufficient in size and distribution to allow clarity of vision when viewed through from the side opposite the projection, and wherein the area of the screen substantially reflects the projected image so that on observer viewing the screen from the projection side of the screen sees the image that is projected onto the screen. The apparatus and method may further comprise a light-absorbing layer on the back of the screen, wherein the voids in the screen extend through the light-absorbing layer. The one-way screen may include additional transparent layers for mounting and adhesion.

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: A wireless LAN adaptor includes an auto-run program for a connection process, containing a projector identifier for specifying a connection destination. In the process while this auto-run program is executed, an electric field intensity measuring unit measures the electric field intensity of a response radio wave from the wireless projector. The control unit interrupts connection operation and makes the display unit of the PC produce a display for requesting judgment when the electric field intensity is smaller than a predetermined value.

Abstract: The present disclosure relates to systems and methods that are related to projection.

Abstract: A projector that performs projection in cooperation with another projector, the projector including a determining unit configured to determine an operation state of the other projector and a control unit configured to control the projector to shift to, when the determining unit determines that the operation state of the other projector is not a normal operation state, a limited operation mode for limiting execution of at least a part of functions.

Abstract: A projector includes a shift unit configured to move a projection position of an image, a black adjustment unit configured to make luminance of black in a non-overlapping region, in which an image projected by the projector and an image projected by another projector do not overlap on the projection surface, higher than that in an overlapping region, in which the image projected by the projector and the image projected by the other projector overlap on the projection surface, in such a way as to uniform the luminance of black between the non-overlapping region and the overlapping region, and a control unit configured to move a boundary position in the image between a region where the luminance is adjusted by the black adjustment unit and a region where the luminance is not adjusted, by an amount where the projection position is moved by the shift unit.

Abstract: The subject matter disclosed herein relates to optical projection and image detection to detect touch or gesture action.

Abstract: An image projecting system and a synchronization method thereof are provided. The image projecting system comprises a projector, a pair of stereoscopic glasses and a light meter. The projector projects a left-right eye test image according to a timing, and generates a plurality of left-right eye synchronization signals according to the timing. The light meter, which is electrically connected to the projector, measures a plurality of left-lens brightness values and a plurality of right-lens brightness values through a left lens and a right lens of the pair of stereoscopic glasses, respectively. The projector calculates a plurality of left-lens light leakage values and a plurality of right-lens light leakage values corresponding to the left-right eye synchronization signals according to the left-lens brightness values and the right-lens brightness values, respectively, so as to choose one of the left-right eye synchronization signals as an adjusted left-right eye synchronization signal.

Abstract: A system is provided that includes a laser projection apparatus and a fastener installation apparatus. The laser projection apparatus is configured to project an identifier of an instruction set including one or more instructions for installing a fastener or fastener collar on a structure, with the laser projection apparatus being configured to project the identifier onto the structure about a location at which the respective fastener or fastener collar is to be installed. The fastener installation apparatus is configured to capture an image of the projected identifier from the structure, determine the identifier from the captured image, and retrieve the instruction set based on the determined identifier. The fastener installation apparatus includes a tool for installing the respective fastener or fastener collar, and the fastener installation apparatus is configured to program the tool according to the retrieved instruction set.

Abstract: A mirror actuator system is provided for aligning images projected onto a curved screen by dual projectors. According to a preferred embodiment, a unique screw mechanism is provided for selectively slightly warping the mirror. The screw mechanism includes a load spreader in contact with the mirror, having a groove for receiving an screw actuator for applying positive or negative pressure to the load spreader and thereby to a local area (i.e. zone) of the mirror. The actuator system of the present invention provides low cost static pressure adjustment to the mirror for maintaining the focus quality while locally modifying the geometric ‘aim’ of the mirror. The groove in the load spreader provides tolerance to prevent thermal coefficient of expansion (TCE) distortion.

Abstract: A projector includes a screen having a periodic array of color stripes for producing visible light depending on incident light, a light source that remits a light beam, a projection unit that scans an area of the screen where the color stripes are disposed, with the light beam in a direction across the color stripes, to display an image on the screen, a detector that detects the visible light from each of the color stripes as a feedback light pulse, and a controller that adjusts a start-of-emission timing of the light source based on a start-of-detection timing at which the feedback light pulse is detected by the detector and a detection period during which the feedback light pulse is detected by the detector, and controlling the light source to emit the light beam in order to apply light pulses to the color stripes within boundaries thereof.

Abstract: A display device (30) comprises a reflective display (38) arranged to render a first image viewable through a viewing surface and a projection means (31-37) arranged to render a second image viewable in reflection on the viewing surface, the reflective display (38) and the projection means (31-37) being mounted on a common frame.

Abstract: An apparatus and method for despeckling that includes a pulsed laser with a pulse width between 1 ps and 10 ns and stimulated Raman scattering light formed in an optical fiber. The stimulated Raman scattering light may be used to form a projected digital image. A second pulsed laser with a wavelength at least 2 nm different may be included and stimulated Raman scattering light formed in a second optical fiber may be combined with the stimulated Raman scattering light formed in the first optical fiber.

Abstract: A network system includes an image projection apparatus that projects image data; a first terminal; and a second terminal where the first terminal includes an original image data storing unit that stores original image data and a corresponding information generating unit that generates corresponding information in which image identification data of the image data for projection, generated from the original image data, capable of identifying the original image data and terminal identification data for identifying the first terminal correspond with each other, and the image projection apparatus includes a request sending unit that sends, upon receiving a request for delivering the image data being projected from the second terminal, the request for delivering the original image data including the image identification data, which is included in the corresponding information stored in the storing unit, to the first terminal.

Abstract: An apparatus and method of reducing speckle in projection of images is provided that includes the elements or features of producing a first image and displacing the first image to produce a second image that will reduce speckle relating to the first image when the first image and the second image are displayed on a display medium.

Abstract: A projection system includes a first projector and a second projector. The projection system superimposes images projected from the first and second projectors on a projection surface and displays a projected image. The projection system includes a support configured to support the first projector and the second projector. The support supports the first projector and the second projector in positions where projection distances from the first projector and the second projector to the projection surface are different.

Abstract: An automated adaptive optics and laser projection system is described. The automated adaptive optics and laser projection system includes an adaptive optics system and a compact laser projection system with related laser guidance programming used to correct atmospheric distortion induced on light received by a telescope. Control of the automated adaptive optics and laser projection system is designed in a modular manner in order to facilitate replication of the system to be used with a variety of different telescopes. Related methods are also described.

Abstract: A display system displays images projected by a plurality of projection type display devices so as to overlap each other. When a user uses this system, events occurring in these devices can be reliably delivered to the user. A commander and a slave project and display images so as to overlap each other. When a notification-required event occurs in the commander or the slave, the commander specifies this notification-required event. Then, the commander displays a first OSD image between the first OSD image and a second OSD image, which form an image corresponding to the specified notification-required event, in a predetermined region of a first screen of screens on which images are displayed. Also, the commander outputs to the slave a control signal to display the second OSD image in the predetermined region. The slave displays the second OSD image in the predetermined region when the control signal is received.

Abstract: A projector includes a projection light source, a light-off detector that detects that the projection light source is shut off, and a relighting controller that carries out a relighting process for relighting the projection light source based on the detection performed by the light-off detector as a trigger.

Abstract: A projector includes a projection light source, a light-off detector that detects that the projection light source is shut off, and a relighting controller that carries out a relighting process for relighting the projection light source based on the detection performed by the light-off detector as a trigger.

Abstract: The present disclosure relates to systems and methods that are related to transmitting and receiving information associated with projection.

Abstract: A projection apparatus includes a time-sharing light emitting device, a display device, a projection optical system, an illuminance sensor and a lighting determination unit. The time-sharing light emitting device successively emits color lights one by one. The display device modulates the color lights to form an image. The projection optical system projects the image. The illuminance sensor converts illuminance of the color lights into an electric signal which is an output of the illuminance sensor. The lighting determination unit compares the output with a first threshold value, and operates the time-sharing light emitting device in response to the output being more than the first threshold value, and stops the time-sharing light emitting device in response to the output being equal to or less than the first threshold value.

Abstract: A lighting optical system includes a first light source for emitting first color light and second color light, and a second light source for emitting third color light. The first light source includes a semiconductor laser element that emits a linearly polarized laser beam, an excitation light generation unit for spatially and temporally separating the laser beam emitted from the semiconductor laser element to generate first excitation light and second excitation light, the excitation light generation unit including an active diffraction element that transmits the incident laser beam in two different directions to separate it into the first excitation light and the second excitation light having an output direction different from that of the first excitation light, a first phosphor that is excited by the first excitation light to emit first color light, and a second phosphor that is excited by the second excitation light to emit second color light.

Abstract: Optical MEMS scanning micro-mirror comprising:—a movable scanning micro-mirror (101) pivotally connected to a MEMS body (102) substantially surrounding the lateral sides of the micro-mirror;—an transparent prism (500, 600) substantially covering the reflection side of the micro-mirror;—wherein said prism has its outer face non-parallel to the micro-mirror neutral plane N-N, thereby providing a dual anti-speckle and anti-reflection effect, namely against parasitic light. The invention also provides the corresponding micro-projection system and method for reducing speckle.

Abstract: An apparatus and method are disclosed for dynamic keystone correction. A measurement module measures distances from a projector to each of at least three projected points of a first projected image projected on a first surface with projection angles between each projected point. The at least three projected points are endpoints for at least two vectors with a target ratio of vector lengths. An adjustment module calculates an actual ratio of actual vector lengths of the at least two vectors. The adjustment module further adjusts a first aspect ratio of first projected image until the actual ratio is equivalent to the target ratio.

Abstract: Based on image data input to a display unit and an image on a display surface acquired by an acquisition unit, control is performed to decrease the difference between the input image data and the image displayed on the display surface.

Abstract: A micro-projection system for projecting light on a projection surface (104), comprising: at least one coherent light source (101); optical elements (102, 108, 109) in the optical path between said coherent light source and said projection surface; said optical elements including at least one reflective member (102) actuated by a drive signal for deviating light from said light source so as to scan a projected image onto said projecting surface; said optical elements including at least one pixel displacement unit (106) for providing a displacement signal synchronized with the image scanning signal so as to reduce speckle onto said projecting surface. The corresponding method for reducing speckle is also provided.

Abstract: An image processing apparatus projects and displays an image on a projection surface. The image processing apparatus includes an adjustment image producing section (an adjustment image producing section and an image analysis section) that produces an adjustment image for adjusting a focus of a projected image to be displayed on the projection surface and an imaging section that images the adjustment image projected on the projection surface. The adjustment image producing section changes the adjustment image to be produced, such that a grayscale pattern of a captured adjustment image obtained by imaging is close to a grayscale pattern of the adjustment image.

Abstract: The present invention discloses a color wheel module for use in a projection apparatus. The color wheel module includes a color wheel, a supporting device, a fixing device and an actuator. The fixing device is disposed on the supporting device and partially connects with the actuator. A guide track is disposed on the supporting device, and the fixing device positions the color wheel on the guide track. While the actuator drives the fixing device, the color wheel moves along the guide track.

Abstract: An image synthesizing device for a projector apparatus includes first, second, third polarizing beam splitters respectively provided for red light, green light, and blue light; and a light combining unit configured to combine and output the red light, the green light, and the blue light passing through the first, second, and third polarizing beam splitters. The first, second, and third polarizing beam splitters respectively include first, second, and third polarizing films. The first and second polarizing films where the red light and the green light enter are each formed of an organic material, and the third polarizing film where the blue light enters is formed of an inorganic material.

Abstract: Methods and systems are provided for providing asymmetrical cooling for projectors. The projector can include two light assemblies, with each light assembly including a light source. The light assemblies are arranged horizontally adjacent to each other having both light assemblies facing in a direction of projected light from the light sources. On an outer side opposite the side adjacent to the other light assembly, each light assembly is accompanied by a pair of fans. One fan provides air to a top of the light assembly, and the other fan provides air to a bottom of the light assembly. More cooling air is provided to a top of the light assembly to cool a part of the light source that is hotter than the bottom part of the light source due to natural convection. The fan speeds can be varied based on a temperature measurement (e.g., using calibration tables) and/or based on other inputs.

Abstract: A projector includes a screen which has color stripes that are periodically arranged and that generate visible light corresponding to incident light. A laser light source section emits a light beam. A laser scanning section scans the light beam on a region of the color stripes arranged on the screen. A light detection section detects feedback light radiated from the screen corresponding to the light beam. A control section adjusts a light emission timing and a light emission period of the laser light source section based on a detection result of the light detection section and causes the laser light source section to emit the light beam such that light pulses enter the individual color stripes.