Abstract: A projection image display device 1 includes a housing 100, a projection lens 110, a front convex portion 50A and a rear convex portion 50B. The housing 100 accommodates an illumination optical system and a modulation optical system in an interior thereof. The projection lens 110 is configured to project an image modulated by the modulation optical system in a scaled-up size, and is disposed on a first lateral face 100b of the housing 100. The front convex portion 50A and the rear convex portion 50B are disposed on an intersection line between a plane containing an optical axis of the projection lens 110 and a top face 110a of the housing 100.

Abstract: The present invention provides an image display apparatus that inhibits deterioration of image quality caused by an increase in temperature of a laser light source apparatus. The image display apparatus of the present invention has a green color laser light source apparatus, a red color laser light source apparatus, a blue color laser light source apparatus, and a projection mouth in a first case. The first case has a fin on a side surface opposite to a projection mouth of the first case. The fin is provided in an air passage, the fin dissipating heat generated from laser light source apparatuses of each color and transferred via the first case.

Abstract: An image display apparatus includes an optical engine unit and a control unit, the optical engine unit being provided with a projection window guiding laser light to the exterior and the control unit rotatably supporting the optical engine unit. The optical engine unit is rotatable between a first position and a second position, the projection window being shielded within the casing of the mobile information processing apparatus in the first position and the projection window being exposed outside the casing of the mobile information processing apparatus in the second position.

Abstract: Techniques are disclosed for fabricating optical instrumentation. The techniques can be used, for instance, to populate an optical bench with several optics that can be simultaneously bonded and simultaneously verified to precise assembly, and without the use of adjustable mounts or active alignment. The techniques may be embodied, for instance, in a jig designed for operatively coupling to a given optical bench. The jig includes cut-outs that identify placement locations for the various optical components on the underlying optical bench. Thus, once the jig is secured to the optical bench, precise placement of the optical components is simplified. In some such embodiments, the jig further includes a clamping assembly for each cut-out, so that once an optical component is placed on the optical bench via that cutout, the clamping assembly can be engaged to hold that optical component in place while a deposited bonding agent is cured.

Abstract: A projection apparatus with locking structure includes an apparatus case including a main casing, a lid and at least one locking structure at the main casing and the lid, a light source, a light valve and a lens. The structure includes a slot having two opposite ends at the casing, at-least one elastic arm in the slot and at-least one positioning pillar at the lid. When the lid covers the main casing and the pillar extends into the first end, by rotating the lid relatively to the main casing, the pillar moves along the slot to the second end; when the pillar is at the second end, the elastic arm limits the pillar at the second end. The light source is for providing an illumination beam. The light valve and lens are for respectively converting the illumination beam into an image beam and the image beam into a projection beam.

Abstract: Provided is a tilt foot mechanism of a projection display device, in which the number of components is reduced to lower costs. The tilt foot mechanism includes foot (14) elevatable with respect to the case of the projection display device. Foot (14) includes rod (20) in which spiral groove (23) is formed. The tilt foot mechanism further includes base portion (11) integrally formed with the case, lever (12) rotatably attached to base portion (11) and having convex portion (42) formed to fit in groove (23) of rod (20), and spring (13) disposed between base portion (11) and lever (12). Lever (12) has projection (45) on which a part of foot (14) can abut. Lever (12) is rotated against the pressing of spring (13) along with the rising of foot (14) abutted on projection (45).

Abstract: A lighting system (100) includes at least one controllable light source (125) configured to provide a light having at least one attribute; an image renderer (135) configured to render at least one image; and a system controller (110) configured to select the image in corresponding to the selected attribute. The system controller (110) may be configured to receive at least one script associated with different light attributes such as different light intensity or brightness levels, and to change the image in response to changes of the light attribute in accordance with the script.

Abstract: According to the present invention, a mobile electronic device includes: a housing; a projecting unit for projecting an image, the projecting unit being mounted on the housing; a detecting unit for detecting a positional relation between the projecting unit and a projection surface on which an image projected by the projecting unit is to be displayed; a position changing unit for changing a position of the housing; and a control unit for controlling the position changing unit on the basis of the positional relation between the projecting unit and the projection surface detected by the positional-relation detecting unit.

Abstract: A mobile electronic device includes: a housing; an image projector provided on the housing for projecting a portion of an original image to a projection area; and a processing unit. The processing unit causes the image projector to change an image projected to the projection area from a first image corresponding to a first portion of the original image to a second image corresponding to a second portion of the original image according to change information for changing the image projected by the image projector.

Abstract: A projection system for projecting light such as images or content upon a liquid surface such as a lake or pool surface. The system includes an agitation assembly selectively operable to agitate a portion of the upper surface of liquid to form a projection screen. The system includes a projector assembly projecting or focusing light onto the projection screen on the upper surface of the liquid. The liquid is translucent to light, but the projection screen on the upper surface reflects a portion of the projected light due to the agitation. The agitation assembly may include an aeration system with a distribution manifold and is positioned below the liquid surface and has outlets discharging gas into the liquid such that air bubbles for the screen. The manifold outlets may be provided at two or more depths, whereby two or more portions of the projection screen are generated at differing times.

Abstract: The light source device includes: a first support that supports one of a light source and a collimator lens condensing; a second support that supports the other of the light source and the collimator lens; and a fixing member that fixes the first support to the second support. The first support includes a first protruding portion that protrudes from the first support toward the second support, the first protruding portion having a through hole therethrough. The second support includes a second protruding portion that protrudes from the second support toward the first support, the second protruding portion having: a receiving portion that receives the first protruding portion; and a receiving hole. A rod portion of a locking member is inserted into the through hole and the receiving hole, and a head portion of a locking member is sealed with a sealant.

Abstract: A projector includes a projector main body for enlargedly projecting the optical image, an image output device for outputting the image information to the projector main body, and a connection mechanism interposing between the projector main body and the image output device, and for connecting the projector main body and the image output device to each other, wherein the projector main body and the image output device are disposed so as to be opposed to each other, the connection mechanism includes a plate-like member fixed to either one of the projector main body and the image output device, and a rotatable member fixed to the plate-like member and attached to the other of the projector main body and the image output device, and for making the plate-like member rotatable relatively to the other of the projector main body and the image output device.

Abstract: A proximity projection-type projector includes a housing; a dust-proof cover arranged on a top portion of the housing; and a projection unit arranged within the housing. The projection unit projects projection light though the dust-proof cover on the housing toward a screen disposed outside the housing. An anti-reflection film forms a light incident surface of the dust-proof cover.

Abstract: A system for assisting individuals (e.g., those having physical or other disabilities) to read or otherwise experience electronic publications includes a projector having an optical projection assembly located at an end of an articulating arm assembly and configured to project images of an electronic publication and a controller that is sized and contoured to fit comfortably within or be held by a human hand. The controller may include a processor and a storage device communicatively coupled to the processor, which storage device stores processor-executable instructions for providing, via a wireless communication channel and responsive to one or more user inputs, one or more instructions in connection with projection of the images of the electronic publication via the projector.

Abstract: A video delivery system includes a tablet computer and one or two detachable projectors. In one embodiment, video files are transferred from the tablet computer to the projectors when they are connected. The tablet computer is used as a remote control that controls an operation of delivering a video portion of the video file through the projectors and an audio portion through the tablet computer in a synchronized manner. In one aspect, the two projectors may be positioned to project two adjacent screens that present different portions of images. In another embodiment, positions of the projectors attached to the tablet computer may be adjusted to deliver desired screens.

Abstract: A front projection display system for a vehicle including a pico projector including keystone correction; and, a retractable pico front projector screen operatively connected to the pico projector. In one embodiment, a common housing contains the pico projector and the retractable pico front projector screen. In another embodiment the pico projector is mounted within the protective covering. In some embodiments the front projector screen is motor driven and in other embodiments it operated by hand. The present invention is particularly advantageous in an aircraft environment where size and weight considerations are imperative.

Abstract: A display system that includes a projector light bulb. The system includes a light fixture with a conventional light bulb socket. A projector light bulb is provided with a socket adapter for mating electrically with the light bulb socket. A projector such as a pico projector is fit into the socket adapter or to mate with this adapter to be powered by the light bulb socket via the adapter. In lamp-type implementations, the projector is used to project onto a lamp shade-shaped rear projection screen or through a translucent shade and also upon surfaces of the ceiling or objects above the projector light bulb. A light conditioning or directing assembly may be provided that directs a portion of the projected light onto the projection screen (or shade) and another portion up onto the ceiling so as to concurrently focus on two or more surfaces at two or more focal distances.

Abstract: The present invention relates to a projection apparatus capable of projecting high quality video in a convenient mobile casing. Specifically, the present invention relates to a projector, which is disposed within a casing in alignment with the casing having a handle in a first configuration. More, specifically, the projector may be rotatably positioned within the casing into a second configuration to focus a video image against a background.

Abstract: A projector includes a connecting unit which connects with and places a media player thereon. The connecting unit includes a connecting section which connects with and places the media player thereon in a manner that enables insertion and removal, a moving section which rotatably holds the connecting section and moves in a manner that enables sending-out of and sending-into a body of the projector, and a driving mechanism section (slide mechanism section) which drives the moving section in a manner that enables the sending-out and sending-in.

Abstract: The present invention relates to an outer dome configured to provide protection and optical correction to a system of projection optics and the output thereof. More particularly, an optical projection system having an optical offset of greater than 100% is comprised within a projector housing having an outer dome comprised of an optically active material mounted onto an opening approximately coinciding with the optical projection system's exit pupil. The outer dome is configured to be decenterized from the exit pupil (e.g., the center of the dome is offset from the exit pupil in one or more of an x, y, and z direction) such that it provides optical correction to a projected image. Therefore, an outer dome is configured to provide protection to optical elements provided therein and improvement of projected image quality (e.g., reduced image distortion, reduced aberration).

Abstract: A projector (1) which projects a guide image (Pg). A first region above the center of the guide image (Pg) shows a perspective view (D) representing the projector (1) and a supporting device (2) supporting the projector (1). A second region on the upper right of the guide image (Pg), shows six illustrations (G1-G6) affixed with numbers 1 to 6. The six illustrations (G1-G6) respectively correspond to six adjustment items related to a supporting state of the projector (1). The six illustrations (G1-G6) indicate how a projected image changes when the adjustment items are adjusted. The perspective view (D) is an explanatory diagram for clearly showing the positions of adjustment operation units that adjust the six adjustment items of the supporting device (2). In the perspective view (D), the numbers 1 to 6 are affixed near the respective adjustment operation units in balloons.

Abstract: A light projector for operation during a show that contains theatrical haze. The light projector may include a light source, a lens, a fan, and a housing having an inner chamber. The lens may have a first side and a second side. The first side of the lens may be contained within the inner chamber of the housing. The second side the lens may be outside of the inner chamber of the housing. The fan may be configured to be operated to generate air flow inside the inner chamber of the housing. A substantial portion of the air flow may be directed to impinge upon the first side of the lens to cause de-fogging of theatrical haze condensate on the first side of the lens.

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

Abstract: Self-aligning mechanisms hold a condenser housing. The condenser housing is moved toward an integrator while tapered surfaces of the condenser housing of an LED light source unit are inserted along condenser lens guides of a projection unit. LED light source unit datum surfaces and datum surfaces of the projection unit abut against each other, and the tapered surfaces of the LED light source unit can no longer move toward the integrator along the condenser lens guides of the projection unit. In this state, the LED light source unit and the projection unit are coupled to each other.

Abstract: A projector includes: alight source; a light modulation device configured to modulate light emitted from the light source according to image information; a projection lens configured to project the light modulated by the light modulation device; a holding unit that holds the projection lens; an external housing that accommodates the projection lens and the holding unit; and a clamping portion that projects from the inner surface of the external housing and clamps the projection lens or the holding unit in a direction substantially perpendicular to the optical axis of the projection lens.

Abstract: A mobile communication terminal comprises a projection module for projecting images on a projection surface external to the mobile communication terminal; a display screen on which a first image and a second image are rendered; a user interface to allow a user interact with the mobile communication terminal; and a controller to process information, in response to user interaction with the user interface to generate an output via the projection module; wherein the user interacts with the user interface to cause at least the first image to be projected on the projection surface by the projection module, while both the first image and the second image are displayed on the display screen.

Abstract: A holder to hold a projector includes a support. One side of the projector is capable of being attracted by a magnet. The support includes a base board and a supporting board connected to the base board. The base board is to be supported by a supporting surface. The support further includes a first magnet fixed on the supporting board to attract the side of the projector, for adjustably and magnetically supporting the projector on the supporting board.

Abstract: A retractable optic conditionally redirects an image from a scanning laser projector. The retractable optic may be coupled to a mobile device, a mobile device case, or may be part of an attachment. The retractable optic includes a reflective surface that has a free-form shape defined by a polynomial that is a function of two independent, transverse coordinate variables.

Abstract: A projector (1) includes a light source device (2), a light modulating device (5) that modulates a light beam emitted from the light source device (2), a projection optical device (7) that projects the light beam modulated by the light modulating device (5), a flexible printed circuit board (6), one end of which is connected to the light modulating device (5), and a housing (8) in which the light source device (2), the light modulating device (5), and the projection optical device (7) are housed. In a position in the housing (8) where the light modulating device (5) is disposed, a first insert-through section (8L1) for drawing around the flexible printed circuit (6) board to the outside (8L) of the housing (8) and a second insert-through section (8D1), through which a part of the light modulating device (5) is inserted, are formed.

Abstract: The projection type image display apparatus is equipped with a lamp unit (22), an optical block (21) which modulates light from the lamp unit and projects an image signal, a circuit board (24) having via holes and on which an external connector (25) is mounted, and a cabinet (2) for housing the aforementioned elements. The display apparatus is equipped with a back cover (26) provided to cover around the external connector from the outside and a dustproof cover (29) provided to cover around the external connector from the inside. A closed space is formed by the circuit board, the back cover (26) and the dustproof cover (29), and the dustproof cover closely shields at least a space below the circuit board from the exterior. Excellent dustproof characteristics enabling use even in installation environments with a large amount of dust and dirt can be obtained.

Abstract: A projector includes: an external case which stores an optical unit; and a foot unit which projects from the external case, the foot unit includes: a first foot main body whose projection length from the external case is variable, a second foot main body whose projection length from the first foot main body in the same direction as the projection direction of the first foot main body is variable, a first adjusting unit configured to adjust the projection length of the first foot main body, and a second adjusting unit configured to adjust the projection length of the second foot main body.

Abstract: A projector includes a light source section that outputs light, a light modulator that modulates the light outputted from the light source section based on image information, a projection lens that projects the modulated light, an enclosure that accommodates the light source section, the light modulator, and the projection lens, a base that supports the projection lens and fixes the projection lens to the enclosure, and a restricting portion that restricts movement of the base.

Abstract: A projection-type image display device includes an image light generator configured to generate image light, a projection optics configured to project the image light onto a screen. The projection optics includes a reflection mirror configured to reflect the image light toward the screen, the image light outputted from the image light generator. A projection-type image display device includes a protective cover provided on an optical path of the image light reflected by the reflection mirror. The protective cover has a transmissive region transmitting the image light reflected by the reflection mirror.

Abstract: A projector includes: a mounting unit for mounting optional unit (2) having an extension function section, connection substrate (7), and cable (6) for electrically connecting the extension function section and connection substrate (7); mother substrate (31) having connector (31a) to which terminal (7a) is electrically connected; Z-shaped guide metal fitting (40) located on the mounting unit and configured to movably guide terminal (7a) to connector (31a); and a case having mother substrate (31) located therein. One side face of the case has an opening for inserting/removing optional unit (2) into/from the case, and a side panel for covering the opening being removably located in the opening. When optional unit (2) is inserted into the case from the opening, connection substrate (7) is guided by Z-shaped guide metal filling (40), and optional unit (2) functions when terminal (7a) is electrically connected to connector (31a).

Abstract: A projector includes a wireless device performing a predetermined function, an external housing which accommodates a light modulation device, a first controller, and the wireless device, an intake fan which introduces air outside the external housing into the external housing through an inlet port, an exhaust fan which discharges the air introduced into the external housing through the inlet port to the outside through an outlet port, a first channel which guides the air introduced through the inlet port toward the light modulation device by the drive of the intake fan, and a second channel which guides the air introduced into the external housing toward the exhaust fan via the wireless device by the drive of the exhaust fan.

Abstract: A projector (1) includes a light source device (2), a light modulating device (5) configured to modulate a light beam emitted from the light source device, a projection optical device (7) configured to project the light beam modulated by the light modulating device, and a flexible printed circuit board (6), one end of which is connected to the light modulating device (5). The light source device (2) includes a light emitting device mounted on the flexible printed circuit board (6). The flexible printed circuit board is bent, whereby the light source device is disposed in an emission position where the light source device (2) emits the light beam to the light modulating device (5).

Abstract: It is an object to provide a mobile electronic device with high operability and high safety. The mobile electronic device includes an image projector that projects an image, a control unit that controls the operation of the image projector, a cabinet that holds the image projector and the control unit, and an acceleration sensor that detects an acceleration acting on the cabinet. The object is achieved in such a manner that when an acceleration of a given value or more is detected by the acceleration sensor, the control unit stops emission of light from the image projector or reduces an amount of light emitted from the image projector.

Abstract: A projector includes: a cooling device which supplies cooling air to a cooling target, wherein the cooling device includes a plurality of cooling fans each of which discharges cooling air, and a plurality of ducts each one end of which is connected with the corresponding one of the plural cooling fans to introduce the cooling air toward the cooling target in directions different from each other, and the plural ducts communicate with each other at the other end and have an outlet port through which the cooling air flows out.

Abstract: A filter unit includes an air filter, which captures dust from intake air, and a cleaning unit, which automatically cleans the air filter. The cleaning unit includes a rotation brush, which removes dust from the air filter, and a dust box, which extends parallel to the rotation brush. The dust box includes a dust inlet that opens toward the rotation brush and receives dust from the rotation brush. The dust box is removable from the filter unit.

Abstract: A mobile electronic device includes an image projector configured to project an image, a vibration generating unit configured to generate a vibration and adjust an intensity of the vibration, and a control unit configured to control the vibration generator. The control unit is configured to control the vibration generator to adjust the intensity of the vibration based on an image projecting status of the image projector.

Abstract: It is a task to provide a mobile electronic device with high operability and high safety. The mobile electronic device includes an image projector that projects an image, a cabinet, an input unit that is disposed on the cabinet and detects an operation input by an operator, and a control unit that controls the operation of the image projector and the state of the input unit. The task is solved in such a manner that when a predetermined operation is detected by the input unit, the control unit stops emission of light from the image projector or reduces an amount of light emitted from the image projector.

Abstract: A mobile device such as a robot includes a processor, a memory that stores components executable by the processor, and a projection assembly. The projection assembly includes a projector, a lens, a movable mirror, and a first projection surface integral with a surface of the mobile device. The components include a projection component and a control component. The projection component determines the projection parameters, and projects the image onto the movable mirror, dependent upon the projection parameters. The control component causes the projector and the lens to focus the image onto the first projection surface, and further causes the movable mirror to reflect the image onto the first projection surface.

Abstract: The present invention provides a high pressure discharge lamp with a start-up assist member, a lamp unit, and a lamp system that reduce breakdown voltage and provide high design flexibility by reducing restriction on a position of an adjacent conductor. In a high pressure discharge lamp (10) of a lamp unit (1), a dielectric member (20) is on the outer surface of a first sealing part (101a). The dielectric member (20) made of a titanium compound has relative permittivity higher than that of fused quartz. An upstream end of a metal wire (21) is connected to an external lead wire (102b) projecting from a second sealing part (101b). A downstream end (21A) is in contact with the dielectric member (20). Upon lighting of the lamp, a corona discharge occurs at the point where the end (21a) is in contact with the dielectric member (20) so that breakdown voltage is reduced.

Abstract: An image display apparatus detects a projection angle of a projection unit that projects a screen image on a screen and is capable of vertically changing the projection angle, and corrects trapezoidal distortion of the screen image according to the projection angle. The image display apparatus changes the amount and direction of trapezoidal distortion correction based on the projection angle. The image display apparatus also determines whether a projection mode is projection upward to a wall or projection to a ceiling and changes the direction of trapezoidal distortion correction for projection upward to the wall and projection to the ceiling. Specifically, for projection upward to the wall, a correction factor is positive and an upper edge portion of the screen image is compressed for correction; and for projection to the ceiling, a correction factor is negative and a lower edge portion of the screen image is compressed for correction.

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

Abstract: It is possible to reliably prevent dust particles from becoming attached to optical components and it is also possible to suppress temperature rises in optical components. A projection type display device according to the present invention includes a plurality of optical components (20, 21, 24, 30, and so on), a hollow structure (45, 50, or the like), and an air blow source (19, 46, or the like). The plurality of optical components are provided along the optical axis direction of light emitted from a light source. The hollow structure includes optical components (20, 24) that are to be protected from the attachment of dust particles to optical components among the plurality of optical components, and forms an enclosed space separated from the surroundings. Then, the source that blows air is provided in the inside of the enclosed space to circulate the internal air for cooling targets.

Abstract: A projection apparatus for projection in a liquid environment comprises a projection surface adapted to be positioned in the liquid environment and a projector adapted to be positioned in the liquid environment. The projector is adapted to project an image on the projection surface.

Abstract: An image projection apparatus includes a housing unit; a light source unit provided on the housing unit; an outer cover mounted on the housing unit; a second cover provided nearer to the light source unit than the outer cover; a first mounting member formed on the housing unit; a second mounting member formed on the outer cover and fixing the outer cover to the housing unit when mounted on the first mounting member; a displacement member movable to both a position where mounting of the second mounting member to the first mounting member is inhibited and a position where mounting of the second mounting member to the first mounting member is permitted; and a displacement control member that moves the displacement member to the position where the mounting of the second mounting member to the first mounting member is permitted when the second cover is correctly mounted.

Abstract: A projection apparatus, an illumination module and a brightness adjusting method for the projection apparatus are provided. The projection apparatus comprises the illumination module and the actuator. The illumination module comprises a luminous element. First, the actuator drives the luminous element to move from the first position to the second position to detect the first brightness and second brightness generated by the luminous element. When the first brightness is higher than the second brightness, the actuator is adapted to drive the luminous element to the first position. Thereby, the brightness of a projection image generated by the projection apparatus can be adjusted to an optimal value.

Abstract: A mobile communication terminal and power saving method thereof are disclosed, by which display information can be outputted to an external projection plane using a projector module. Accordingly, if an event by a system or user occurs, power saving can be performed by controlling an operation of the projector module. A mobile terminal may include a terminal body, a motion sensor configured to detect a motion of the terminal body, a projector module configured to project an image onto an external surface, a power supply configured to supply power to the projector module, and a controller configured to control an operation of the projector module and to discontinue the supply of power to the projector module in response to detecting the motion by the motion sensor.