Abstract: A projector apparatus includes: a projection unit that projects an image onto a projection surface; a reflectance distribution detection unit that detects a reflectance distribution at the projection surface; a density distribution detection unit that detects a density distribution of a base pattern at the projection surface; a smoothing unit that smooths the reflectance distribution and the density distribution; an input unit that inputs image data; a correction unit that corrects the input image data based upon the smoothed reflectance distribution, the smoothed density distribution and input/output characteristics of the projection unit; and a control unit that controls the projection unit so as to project the image based upon the image data having been corrected.

Abstract: A projection type image display device of the present invention includes: a screen unit with a screen onto which images are projected; a projection unit for projecting images onto the screen from the rear surface of the screen; right and left slide mechanisms as a pair for supporting the screen unit in a manner that allows the screen unit to move in a direction approximately normal to the screen; and a link shaft for linking the right and left slide mechanisms, and for moving the right and left mechanisms in synchronization with each other.

Abstract: Laser projection system suitable for commercial motion picture theaters and other large screen venues, including home theater, uses optical fibers to project modulated laser beams for simultaneously raster scanning multiple lines on screen. Emitting ends of optical fibers are arranged in an array such that red, green and blue spots are simultaneously scanned onto the screen in multiple lines spaced one or more scan lines apart. Use of optical fibers enables scanning of small, high resolution spots on screen, and permits convenient packaging and replacement, upgrading or modification of system components. Simultaneous raster scanning of multiple lines enables higher resolution, brightness, and frame rates with available economical components. Fiber-based beam coupling may be used to greatly enhance the flexibility of the system.

Abstract: The present invention is applied to a projector that comprises a plurality of projection devices which generate images by modulating laser beams in the colors of R, G, B with optical modulators and which project the images onto projection surfaces through projection lenses, wherein the images projected respectively from said projection devices onto said projection surfaces are tiled into a single image as a whole. In the projector of the present invention, the number of G-color laser beam sources is smaller than the number of images projected respectively from said projection devices onto said projection surfaces; and said projection devices share said G-color laser beam sources and apply G-color laser beams emitted from said G-color laser beam sources to said optical modulators thereof.

Abstract: An image processing apparatus includes an image signal input unit that receives an input of an image signal representing an image to be displayed, a noise reduction unit that performs noise reduction for reducing the noise contained in the image signal, and an image quality adjustment unit that performs image quality adjustment for adjusting the displayed image quality of the image on the image signal that has undergone the noise reduction.

Abstract: A lighting device includes a lighting unit and an enclosure (e.g., a shade) configured to cover a part or all of the periphery of the lighting unit and transmit light from the lighting unit. The lighting unit includes a light source section for lighting configured to radiate light and a video forming section configured to form video light obtained by modulating, on the basis of video information, light from a light source section for video formation configured integrally with or separately from the light source section for lighting and project the video light on the enclosure.

Abstract: Provided is a light projection device capable of irradiating light only onto an object (11). The light projection device includes: a light projector (1) in which an object (11) and a back surface of the object (11) are taken as a projectable range; a shadow region detector (2) that detects a shadow that occurs on the back surface of the object (11) by projection light (L1); and a controller (3) that corrects a shadow region (13) so that a projection region of the light projector (1) and the shadow region (13) can coincide with each other on the back surface of the object (11), sets the corrected shadow region 913) as a light projection range and sets, as a non-light projection range, a region other than the shadow region (13), and sets projection light (L1) projected onto the set light projection range, wherein the light projector (1) projects the projection light (L1) onto a range where the object (11) is present by projecting the set projection light onto the set light projection range.

Abstract: A multi-projection display system is provided with a plurality of sensor units corresponding to projector units. The sensor units detect brightness for each color in a projected image that is projected on a screen and supply the detection results. The projector unit generates a brightness correction table on the basis of the image signal of a specific picture element of the projected image realized by an adjacent projector unit and on the basis of the brightness of the specific picture element of the projected image of the adjacent projector unit that is detected by a sensor unit for matching the brightness of the image projected by its own projector unit with that of the adjacent projector unit, refers to the brightness correction table to correct brightness for each color of the image signals that are received as input, and projects onto a screen the light of each color in accordance with the corrected image signals.

Abstract: A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map is generated in an iterative process by displaying a known pattern on a viewing screen and, through the use of a camera, having a microprocessor determine the location and shape of the pattern on the screen. The microprocessor then compares the displayed image to the original reference image, calculates the distortion effects present in the projection optics, and generates a warping map.

Abstract: An image projection system includes a scaler IC, a micro-projector, a video connector, and a controller. The video connector is coupled to the scaler IC and the micro-projector. The controller controls the video connector and the scaler IC to form a first signal path mode and a second signal path mode. The video connector transmits a first image signal from the scaler IC for external displaying in the first signal path mode. The video connector receives a second image signal from a peripheral device and passes the second image signal to the micro-projector for projection in the second signal path mode.

Abstract: A media player includes a display and a main body. The display includes a cover and a display panel located on the cover. The host includes a housing, a control module received in the housing, with a projecting unit also received in the housing. The housing is rotatably connected to the cover and operable to be covered by the cover. The control module is for generating video signals to display in the display panel. The projecting unit is for converting the video signals into optical signals and projecting the optical signals out of the housing.

Abstract: An apparatus for, and method of, increasing compensation sequence storage density in a projection visual display system and a projection visual display system incorporating the apparatus or the method. In one embodiment, the apparatus includes: (1) a memory containing a first compensation sequence portion that is common to a plurality of effective transmission factors and a plurality of second compensation sequence portions that are unique to a corresponding plurality of effective transmission factors and (2) a compensation sequence generator coupled to the memory and configured to construct a compensation sequence for use in the projection visual display system using the first compensation sequence portion and one of the plurality of second compensation sequence portions selected as a function of a particular effective transmission factor.

Abstract: To control a laser used as a light source according to an input image, while satisfying a safety standard, a projector includes lasers provided for each of a plurality of colors, a dichroic mirror that synthesizes laser beams emitted by the lasers, an LCOS panel that modulates synthesized light by the dichroic mirror, and a projection lens that projects the light modulated by the LCOS panel. A processor determines rate of power of the laser beams according to the image signal, determines, according to the rate of the power, an upper limit value of the power of the projected laser beam in each color to the extent that the upper limit value satisfies a safety standard, and adjusts the laser beam in each color emitted by the corresponding laser so as to prevent the projected light beam in each color from exceeding the upper limit value.

Abstract: An information processing apparatus is connected to a projecting unit that projects an image and a gesture recognizing unit that recognizes a gesture by a person. The information processing apparatus includes: a projection image transmitting unit that inputs a projection image to the projecting unit; an image capturing unit that captures, when the gesture recognizing unit has recognized a gesture, a projection image being projected by the projecting unit; a transmission destination determining unit that determines a transmission destination address based on a gesture recognized by the gesture recognizing unit; and a captured image transmitting unit that transmits a captured image captured by the image capturing unit to a transmission destination address determined by the transmission destination determining unit.

Abstract: A projection screen includes: phosphor regions arranged cyclically in an in-plane direction of a display region; a plurality of black stripes and reference black stripes that partition the display region into the phosphor regions; and an optical information formation unit that is provided in a specific position within the display region and that generates readable optical information.

Abstract: A projection-type image display device includes: a light source; a display element that displays an image based on an input video signal; a trapezoidal distortion correction unit that performs pixel conversion in which pixel data of the input video signal are compressed or interpolated and supplies the display element with the corrected signal that includes a first video signal that is the video signal concerning which the pixel conversion has been carried out; a detection unit that detects the luminance distribution of the first video signal; and an adjustment unit that adjusts the light quantity of the light source based on the detected luminance distribution data.

Abstract: Projection systems and methods handle images to be viewable on a concave surface, wherein the projected image is modified to account for surface-to-surface reflections due to the concave surface, by determining geometric surface parameters, determining the ideal image, determining a model for reflected light that is a result of surface-to-surface reflections given the ideal image, wherein the model is expressible in closed form, determining a compensation image to compensate for at least some of the surface-to-surface reflections, taking into account at least the ideal image and the reflected light, and combining the compensation image and the ideal image to form a projectable image that can be projected onto a surface having the determined geometric parameters. The surface can be defined by a portion of an interior of a sphere and the reflection of a given pixel can be modeled as a constant over the concave surface.

Abstract: A projector is disclosed. The present invention relates to a projector that is able to radiate heat generated in a display device converting a video signal into a projected image.

Abstract: A virtual greeter system, a counter display system, and a method include systems and methods that provide simulated human interaction for placement in stores, libraries, hospitals, trade shows, kiosks, and the like. The virtual greeter system can include a projector housed in a tower; a screen attached or supported by a base coupled to the tower, the screen including projection film thereon, wherein the projector is positioned to display images of a person onto the projection film; a processor communicatively coupled to the projector, a network interface, a data store, input/output interfaces, and memory; and instructions that, when executed, cause the processor to: display video from the projector onto the screen, the video including a virtual person with hand, eye, and mouth movements; and provide audio coincident with the video from the virtual person.

Abstract: Disclosed is a camera to provide images for use in multi-dimensional imaging. In an embodiment, the camera includes an image gathering lens operable to obtain a lens image of a visual, a plurality of optic modules operable to provide distinct focusing options for the lens image, a relaying module operable to relay at least part of the lens image to the plurality of optic modules and a plurality of capture devices operable to capture a plurality of distinct versions of the lens image from the plurality of optic modules relayed from the relaying module. In another embodiment, a multi-dimensional imaging system is provided that includes a camera, such as described above, and further includes a computing device operable to receive and display the plurality of distinct versions, and a data management module operable to receive data related to the distinct versions and to display the distinct versions on separate displays.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: Disclosure is directed to providing projected output from a receiver that includes ambiance or environmental images and sounds for display to and/or listening by a user. Other aspects are directed to processing or altering program service video to produce a compensated video that is output by a projector component of a receiver. The modified image compensates for characteristics associated with the ambient light conditions and/or characteristics of the projection surface upon which the projector outputs an image.

Abstract: A method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control mechanism (VLCM), associated with the projector optics, for modifying the light output and provide a correction thereto; and an adaptive luminance control module (ALCM) for receiving signals from the video input board, the adaptive luminance control module producing a signal on a VLCM bus connecting the variable luminance control mechanism and the adaptive luminance control module, the signal causing the variable luminance control mechanism to change the luminance of the light output and provide a corrected video signal for the projector.

Abstract: Techniques and display systems that provide display systems suitable for various display applications, including display systems that provide a controlled climate in an enclosure of the system to protect the display components and display systems that produce high-contrast images for outdoor displays, large-format displays and other display applications.

Abstract: A projection system for projecting a still or video image onto a liquid surface. The system includes an agitation mechanism selectively operable to generate gas bubbles on the liquid surface. The system includes a tracking system tracking a location, size, and shape of the gas bubbles on the liquid surface. The system also includes a projector projecting a video stream onto the gas bubbles based on the location, shape, and size of the area of the liquid surface containing the gas bubbles. The tracking system may include an infrared (IR) light source delivering IR light to the liquid surface and an IR video camera receiving a portion of the delivered IR light that is reflected by the gas bubbles. The reflected IR light defines a dynamic projection surface presented by the gas bubbles on the liquid surface by defining a boundary on the liquid surface about the gas bubbles.

Abstract: A projection type display includes an illumination optical system provided with a light source including, for respective predetermined colors, LED arrays each formed of six LEDs, a light source controller that controls the LED arrays to turn on, an integration device, and a DMD, wherein the light source controller controls the LED arrays to turn on such that the shapes of light source images, which are formed on an entrance surface of the integration device by five LEDs of the respective LED arrays, coincide with each other.

Abstract: A projector includes a storage portion that stores set identification name data describing a name of an adjustment value set including an adjustment value for projecting images, predetermined character string data describing plural kinds of predetermined character strings usable as the set identification name, and menu image data. A projecting portion projects an identification name setting image showing the plural kinds of predetermined character strings as selectable on a basis of the predetermined character string data and the menu image data. An input portion inputs identification name setting information describing a character string selected on the identification name setting image. An update portion that updates the set identification name data on a basis of the identification name setting information.

Abstract: A bidirectional projector, which may project slides onto two screens at the same time, includes a light source emitting red beam, green beam, and blue beam; at least an imaging device receiving the red beam, the green beam, and the blue beam from the light source and reflecting predetermined parts of the red beam, the green beam, and the blue beam to form an image beam according to image signals; and an optical lens, wherein the image beam emits to the optical lens and a part of the image beam passes through the optical lens to form a first projecting beam, and a part of the image beam is reflected by the optical lens to form a second projecting beam.

Abstract: A method and apparatus for a uniform resolution display screen. In one embodiment, the uniform resolution display screen comprises a surface of the uniform resolution display screen having a curvature configured to display images with a uniform resolution across the display screen. The curvature is based on a projection distance from a projector to the uniform resolution display screen and a viewing distance from an eyepoint of an observer to the uniform resolution display screen. The geometry of the display screen is configured to display images associated with a high definition imaging format.

Abstract: The present invention provides a mini-projector applied for a video output device. The video output device includes a microprocessor. A projection optical engine is coupled to the microprocessor for projecting a video data. A charging module is capable of charging to a first battery of the mini-projector and/or a second battery of the video output device. A male connector is couple to a female connector of the video output device. A switching unit is coupled to the charging module for switching the projecting function of the projection optical engine or the charging function of the second battery of the video output device.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: Briefly, in accordance with one or more embodiments, a scanned beam display, comprises a light source to generate a beam to be scanned and a scanning platform to scan the beam into an exit cone. The scanning platform receives the beam at a selected feed angle, and the scanning platform has a surface structure to redirect the exit cone at an exit angle that is less than the feed angle.

Abstract: A projector that includes: a light source; a light-on/off unit that turns on or off the light source; a recording medium reproduction unit that reproduces information recorded on a recording medium, and outputs a video signal; a video signal processing section that converts the video signal provided by the recording medium reproduction unit, and generates a projection-video-use video signal; a light modulation unit that modulates a light coming from the light source based on the video signal generated by the video signal processing section, and emits a resulting video light; a projection system that includes a projection lens, and magnifies and projects the video light coming from the light modulation unit; a lens cover that opens and closes the front of the projection lens; a lens cover open/close detection sensor that detects an open/close state of the lens cover; and a control section that at least controls operation of the light-on/off unit and that of the recording medium reproduction unit.

Abstract: An information processing apparatus that includes a main body, a member movably attached to the main body, a first detector configured to detect an orientation of the member with respect to the main body, a second detector configured to detect whether the main body is connected to a cradle apparatus, and a processor configured to output a command for controlling an operation of a projection device based on an output of the first and second detectors.

Abstract: A 3D display system using a planar sheet of mist or water droplets as a rear projection screen. The system includes a screen generation assembly with a nozzle configured to convert supply water into a screen of water droplets. The screen is substantially planar and has a front surface facing a viewing area and an opposite rear surface. The display system includes a projection assembly projecting 3D content onto the rear surface. The projection assembly includes a first projector projecting left eye images and a second projector projecting right eye images. The 3D content may be provided using polarization or other 3D technology. For example, the first projector includes a first interference filter and the second projector includes a second interference filter differing from the first interference filter, whereby the left and right eye images are presented concurrently on the rear surface with differing bands of the visible color spectrum.

Abstract: A red image is displayed on liquid crystal panel (111) by lighting red light source (101) for a predetermined period. A green image is displayed on liquid crystal panel (112) by lighting green light source (102) for the predetermined period. A green image is displayed on liquid crystal panel (113) by lighting green light source (103) for the first of first and second periods provided by dividing the predetermined period with a predetermined ratio. A blue image is displayed on liquid crystal panel (113) by lighting blue light source (104) for the second period.

Abstract: Provided is a dual display device for a camera apparatus having a projector therein, which includes a rotary mirror module configured to project light of the projector to a front side of the camera apparatus body to display the light to the outside or to a rear side of the camera apparatus body while being rotated by driving of a drive motor.

Abstract: A video display device drives LEDs to emit light by light source driving circuits, detects maximum signal levels for the respective colors from video signals for an amount of n screens (n is an integer equal to or larger than one), and calculates amplification factors for the respective colors based on the detected maximum signal levels. In addition, the video display device amplifies the signal levels of the video signals based on the amplification factors for the respective colors calculated in a power saving mode for reducing power consumption, and controls drive current values of the LEDs to be respectively supplied to the light source driving circuits so as to cancel amplification amounts of brightnesses of the LEDs that correspond to amplification amounts of the signal levels of the video signals amplified.

Abstract: An audio and video gadget is an entertainment device provided with audio and video functions and communication functions and easily carried by a user. The audio and video gadget comprises a speaker set having a speaker therein and outputting power, a multimedia decoder over the speaker set, wherein the speaker set plays sound from the multimedia decoder, accompanying with video played by a phone, a light-emitting-diode lamp mounted with two sides of the multimedia decoder, wherein the light-emitting-diode lamp has an arc shape, a smart-phone pedestal over a top surface of the multimedia decoder, wherein the smart-phone pedestal is replaceable, and a pico projector over the light-emitting-diode lamp, wherein the light-emitting-diode lamp comprises a transmitting channel therein connected to the pico projector and the multimedia decoder, wherein the pico projector projects an image output from the multimedia decoder and the phone.

Abstract: The present invention relates to improving configuration of wireless communication paths between devices in a video projection system comprising multiple wireless video projectors. When an initial radio communication setup is required between a managing node, e.g. a node comprising a master projector, and a node comprising a slave projector, for example following the powering up of the video projection system, the slave node receives setup information by radio communication means according to a sweeping sequence and transmits information by projecting sub-images. Sub-images advantageously comprise information relative to settings of the master node allowing reception in the corresponding slave node of a radio signal transmitted by the master node.

Abstract: The present invention concerns a projection system for providing a distributed manifestation within an environment. The projection system includes a data generator for generating a plurality of data sets of associated state data and spatial coordinate data. The projection system also includes a projector in communication with the data generator for receiving the data sets. The projector is provided with a signal generating module for generating a plurality of electromagnetic signals, and a projecting module for projecting each of the electromagnetic signals towards a target location within the environment. The projection system also includes a plurality of receiving units distributed within the environment, each receiving unit having a receiver for receiving one of the electromagnetic signals when the receiving unit is positioned in the corresponding target location, each receiving unit being adapted to perform a change of state in response to the state data.

Abstract: Provided is a projection system including an image processor processing image data, the image processor acquires subsequent image data having an object included in an image temporarily subsequent to an image currently displayed by the projector. The projector stores the image data and the subsequent image data and updates the currently displayed image into the subsequent image on the basis of the subsequent image data when the update information received by the projector reception unit indicates that the currently displayed image is updated into the subsequent image.

Abstract: A display system and method of producing images with high dynamic range are provided. The display system employs multiple light valves for projecting a portion of the image onto another.

Abstract: Techniques for controlling switching of a barrier component for efficiently displaying various types of 2-D content and 3-D content on a projector screen are presented. A barrier control component detects an optical signal in a control region of the projector screen that is providing visual content to the barrier component, and identifies the type of visual content, such as 2-D content or 3-D autostereoscopic content, based on the optical signal. The barrier control component identifies a control signal based on the identified content type, and transmits the control signal to the barrier component via a wireline or wireless connection. The barrier component is controlled to automatically switch to a desired mode, such as 2-D mode or 3-D autostereoscopic mode, and employ a desired barrier pattern, in response to the received control signal. The barrier component is powered using a solar cell component that generates power using the optical signal.

Abstract: The technology disclosed relates to translating between a Cartesian grid and a curved scanning path that produces varying exposure doses as the scanning head traces the curved scanning path. It can be applied to writing to or reading from a workpiece. In particular, we teach use of varying exposure dose that compensates for the time it takes for the curved scan path to transit a straight axis. This simplifies either modulation of a modulator, from which data is projected onto the workpiece, or analysis of data collected by a detector, onto which partial images of the workpiece are projected.

Abstract: Screws that fasten a screen unit to a body are inserted from the front side of the body, a front cover that covers and conceals the screws is provided on a front surface of a frame, this front cover is fastened to the body by screws inserted into the body from its rear side, a rear cover that covers and conceals the screws is provided on a rear surface of the body, a front safety switch that detects opening of the front cover and a rear safety switch that detects opening of the rear cover are provided, and emission of a laser light beam of an optical engine is stopped when a detection signal of at least one of the front safety switch and the rear safety switch is output.

Abstract: The invention relates to a method and a system for reducing anxiety of patients before and during e.g. MR scanning examinations. The method is based on displaying images on walls (106,107) of the scanner room (100) so that when the patient enters the scanner room, then an image is displayed on a wall visible to the patient, e.g. a wall adjacent to the entry door (103). When the patient is laying on the table (102) of the scanner (101) the projection of images is switched to another wall by reflecting the projected images using e.g. a mirror which is moved into the light rays emitted by an image projector.

Abstract: A projection apparatus, comprising one or more light sources, wherein the one or more light sources are arranged to collectively provide a light signal which comprises multiple wavelengths, wherein the projection apparatus further comprises an optical filter configured to filter the light signal provided by the one or more light sources, so that two or more images may be projected simultaneously by the projection apparatus, each image being projected to a different position. There is further provided a scanning device which uses the afore-mentioned projection apparatus.

Abstract: The present invention is a method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control mechanism (VLCM), associated with the projector optics, for modifying the light output and provide a correction thereto; and an adaptive luminance control module (ALCM) for receiving signals from the video input board, the adaptive luminance control module producing a signal on a VLCM bus connecting the variable luminance control mechanism and the adaptive luminance control module, the signal causing the variable luminance control mechanism to change the luminance of the light output and provide a corrected video signal for the projector.