Abstract: An image projection apparatus includes cooling fans 10, 12, and 16 provided inside a chassis 17 and configured to take in cooling air from a cooling inlet port 17a formed in the chassis, an air filter 22 that covers the cooling inlet port, an exhaust port 19a formed in the chassis and configured to exhaust the cooling air from an inside to an outside of the chassis, and a cleaning fan 25 provided inside the chassis and configured to take in cleaning air from a cleaning inlet port 17b formed in the chassis separately from the exhaust port. The image projection apparatus exhausts the cleaning air discharged from the cleaning fan, from the inside to the outside of the chassis via the cooling inlet port and the air filter.

Abstract: A projector has a storage unit storing data on a plurality of different light emission patterns each occurring in a period based on a plurality of different-colored lights, wherein each light emission pattern corresponds to a respective one of a plurality of different projection conditions of a color image. An acquiring unit acquires a present projection condition of the color image, and a controller controls a light emission operation of the plurality of different-colored light emitting elements in the period in accordance with data on a light emission pattern corresponding to the present projection condition of the color image.

Abstract: A lens-adjusting module includes a base, a lens device, a second tray, and an adjusting device. The lens device includes a first tray and a lens being fixed to and contacting the first tray. The first and the second trays are movably disposed on and contact the base. The first tray is movably disposed on the second tray and located between the second tray and the base. The adjusting device includes a first lever and a second lever pivoted to the base. A part of the first lever and a part of the second lever are slidingly disposed on the first tray. The first lever rotates to drive the first and the second trays to move relatively to the base along a first axis. The second lever rotates to drive the first tray to move relatively to the second tray and the base along a second axis.

Abstract: An image projection device for displaying an image onto a remote surface. The image projection device employs a scanner to project image beams of visible light and tracer beams of light onto a remote surface to form a display of the image. The device also employs a light detector to sense at least the reflections of light from the tracer beam pulses incident on the remote surface. The device employs the sensed tracer beam light pulses to predict the trajectory of subsequent image beam light pulses and tracer beam light pulses that form a display of the image on the remote surface in a pseudo random pattern. The trajectory of the projected image beam light pulses can be predicted so that the image is displayed from a point of view that can be selected by, or automatically adjusted for, a viewer of the displayed image.

Abstract: A projector includes: a first optical device, and a first color combining optical device; a second optical device, and a second color combining optical device; a combining optical device adapted to combine emission light emitted respectively from the first optical device and the second optical device; a first polarization conversion device disposed between the first optical device and the combining optical device, and adapted to align a polarization direction of the emission light from the first optical device into a first polarization direction; and a second polarization conversion device disposed between the second optical device and the combining optical device, and adapted to align a polarization direction of the emission light from the second optical device into a second polarization direction.

Abstract: A projection module adapted to be disposed in an electronic device is provided. The electronic device includes a main body and the projection module disposed in the main body. The projection module includes a chassis, a light source, a light valve, a first lens group, and a second lens group. The light source and the light valve are disposed on the chassis. The first lens group is fixed on the chassis. The second lens group is slidably assembled on the chassis and is disposed between the light valve and the first lens group. The light source is capable of providing a light beam, and the light beam is capable of emitting through the light valve, the second lens group, and the first lens group in sequence.

Abstract: A projector includes: a light source; a light modulating device; a projection optical device; a lighting control device configured to control lighting of the light source and include a lighting unit; a control unit includes a storage section, a determination section, an information setting section configured to store problem related information regarding the problem in the storage section, a signal transmission section configured to indicate that the problem has occurred, and a detection unit configured to detect a driving state of the lighting control device; a control device configured to connect with the light control device and includes a main body side storage section, and an information acquisition section configured to acquire the problem related information when the problem occurrence signal is received and stores the problem related information in the main body side storage section.

Abstract: A projection apparatus projecting images of respective color components sequentially includes a light source section having a plurality of light emitting elements (where n is a natural number greater than one), and a driving control section for driving each of the light emitting elements making up the light source section, by a pulse width modulation scheme with a phase difference based on ?/n (where ? is a lighting period unit), in synchronism with a projection period unit of the image of each color component.

Abstract: A light source device includes: an arc tube having a light emission portion; a first reflection mirror having a substantially concave surface for reflecting light emitted from the light emission portion; and a container which accommodates the arc tube and the first reflection mirror, wherein the container has a duct unit disposed above the arc tube. The duct unit includes a first opening open to the arc tube and disposed at a position shifted toward the traveling direction side from an opening end of the first reflection mirror, a wall portion which forms the edge of the first opening on the side opposite to the traveling direction side as a final end of the duct unit, and an inclined portion disposed in the vicinity of the edge of the first opening on the traveling direction side to bend the flowing direction of the cooling air toward the surface opposite to the surface having the first opening.

Abstract: An exemplary method includes defining an environment, formulating an anti-keystoning algorithm based at least in part on the defined environment, projecting a laser image from a source to a surface of the defined environment, determining at least one vector parameter with respect to the source and the surface and correcting the laser image based on the anti-keystoning algorithm and the at least one vector parameter. Various other apparatuses, systems, methods, etc., are also disclosed.

Abstract: There are provided a light source system which can suppress the deterioration of a luminescent material and a projector which can project a clear image. The light source system comprises a luminescent wheel, a driving unit for rotating the luminescent wheel, a light source for shining excitation light on to a luminescent material layer of the luminescent wheel, a light shining control unit for controlling an illumination timing of the light source, a light shining time integrating unit for integrating individual excitation light shining times to a plurality of predetermined divided areas of the luminescent wheel, an integrated light shining time storage unit for storing the individual light shining times to the predetermined divided areas, and a light shining range control unit for equalizing times over which excitation light is shone on to the plurality of predetermined divided areas of the luminescent wheel based on the individual excitation light shining times to the predetermined divided areas.

Abstract: An image processing device in a projection system that includes a first image generation section adapted to project first image on a projection surface and a second image generation section adapted to project second image on the projection surface so as to overlap the first image is disclosed. The image processing device includes: a pixel shift amount calculation section adapted to calculate a pixel shift amount between the first image and the second image; a modulation transfer function (MTF) obtaining section adapted to obtain MTF at a predetermined frequency, corresponding to the pixel shift amount calculated by the pixel shift amount calculation section; a correction filter generation section adapted to generate a correction filter adapted to correct the MTF so that the image displayed on the projection surface has desired sharpness; and a filter applying section adapted to apply the correction filter to image data corresponding to the image.

Abstract: A thermal management device (401) is provided which comprises a synthetic jet actuator (403) and a heat sink (405) comprising a fin (407). The fin has at least one interior channel (409) defined therein which has first and second openings that are in fluidic communication with each other. The synthetic jet actuator is adapted to direct a synthetic jet into said channel.

Abstract: A projection apparatus has a first light beam having a first state of polarization and containing a first set of primary colors, a first light modulator arrangement for spatially modulating the polarization state of the first light beam to encode a first image thereon in the first set of primary colors, a second light beam having a second state of polarization and containing a second set of primary colors, and a second light modulator arrangement for spatially modulating the polarization state of the second light beam to encode a second image thereon. A polarizing beam splitter having first and second input ports to admit the first and second encoded light beams. Light of one polarization state incident on the first port is transmitted to the output port and light of another polarization state incident on the second port is reflected to said output port so that said transmitted and reflected light is combined into a common output beam at said output port.

Abstract: A color combining apparatus has first, second, and third color channels, each color channel having a light source that is energizable to direct light of a corresponding first, second, or third wavelength band, respectively, toward a color combining element. The color combining element is a single piece of a solid, transparent material having at least first and second flat coated surfaces that are noncontiguous. The first coated surface is treated to reflect incident light of the first wavelength band onto an optical axis and to transmit incident light of the second and third wavelength bands. The second coated surface is treated to reflect incident light of the second wavelength band and to transmit incident light of the third wavelength band.

Abstract: A projection system includes: a first image forming unit which releases the first image light; a second image forming unit which releases the second image light; a polarization combining system which combines the first image light and the second image light; a projection unit which projects the first image light and second image light combined; a pixel shift control unit which controls a pixel shift unit; a display timing control unit which controls display timing; and an image display control unit having a function which controls the pixel shift control unit and a function which controls the display timing control unit. The image display control unit performs the pixel shifting control when the image is a still image, and performs at least display timing control out of the pixel shifting control and the display timing control when the image is a dynamic image.

Abstract: The invention relates to a vision system for representing synthetically generated images for the stimulation of night vision appliances, especially in training simulators for driving or flight training, and lighting and observation operations in night vision conditions. Said system comprises an image generator (17) for generating image signals of a synthetic image, at least one projector (16) which is fed with the image signals and used to project the image onto at least one projection screen (11), and a night vision appliance (15) for visualizing the projected image. The aim of the invention is to create a technically less complex, cost-effective visual system, whereby the projected image is visualized through the night vision appliance (15) in an undisturbed manner when the night vision appliance is stimulated correctly.

Abstract: A display system comprises illumination means for providing a light beam; at least one color channel, each color channel being adapted for providing at least part of the light beam to a spatial light modulator panel comprising at least a first and a second zone; the spatial light modulator panel being for selectively modulating an impinging beam of light to form an image light beam. The display system further comprises splitting means for splitting the at least part of the light beam so that a split light beam is provided on the spatial light modulator panel, the split light beam comprising at least a first and a second sub-beam, and driving means for driving the first and second sub-beams such that the first sub-beam scrolls over the first zone and the second sub-beam scrolls over the second zone. A corresponding method to the display system is provided.

Abstract: A method includes capturing a first image of a display surface with an image capture device, the display surface having a first plurality of fiducial marks. A first smoothing function is performed on fiducial marks appearing in the first image, thereby generating a first regularized set of fiducial marks having a smooth variation in spacing between adjacent fiducial marks. A first plurality of meshes is generated based on the first regularized set of fiducial marks. The first plurality of meshes is configured to map a first domain associated with the display surface to a second domain associated with the image capture device.

Abstract: Methods and apparatus for training a system for developing a process of data mining, false positive reduction, computer-aided detection, computer-aided diagnosis and artificial intelligence are provided. A method includes choosing a training set from a set of training cases using systematic data scaling and creating a classifier based on the training set using a classification method. The classifier yields fewer false positives. The method is suitable for use with a variety of data mining techniques including support vector machines, neural networks and decision trees.