Abstract: An electronic device includes a base, a cover, and a projection apparatus. The cover is pivotably mounted on the base and defines a through hole. The projection apparatus is secured to the base and corresponds to the through hole. The projection apparatus emits light, and the light is projected out of the cover through the through hole.

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: An apparatus casing including a first shell, a second shell covering the first shell, a sliding part, an elastic part and a position-limiting part is provided. The second shell has a slot. The slot includes two portions respectively having a first and a second width. The sliding part is slidably disposed in the first shell. The elastic part is compressed between the first shell and the sliding part. The position-limiting part is disposed at the sliding part. An end of the position-limiting part extends into the second shell through the slot. An external diameter of the end of the position-limiting part is greater than the first width but less than the second width. The sliding part withstands an elastic force generated by the elastic part to drive the end of the position-limiting part to move from a position of the first portion to a position of the second portion.

Abstract: A projector suspension device including a projection optical device having a reflecting mirror, and a suspension position adjustment mechanism, the suspension position adjustment mechanism includes: a pressing member which presses a first member and a second member; a screw member which, being fixed in the first member, passes through the second member; and a turning member which, by turning and engaging with the screw member passing through the second member, against the pressing force of the pressing member, adjusts the angle formed by the first member and second member, with a turning pivot set perpendicular to the axial direction of the screw member as the center.

Abstract: A stereo display apparatus includes a support member, at least one projector, a screen, first reflectors, and an actuator. The projector is connected to the support member, and includes a battery and an image memory module. The projector is capable of emitting an image beam. The screen is connected to the support member. The first reflectors surround the support member. The actuator is connected to the support member and is capable of driving the support member to rotate. The support member is capable of driving the projector and the screen to rotate. When the projector and the screen rotate, the image beam is projected onto the first reflectors in sequence, and the first reflectors reflect the image beam onto the screen in sequence.

Abstract: Telecommunication devices each having projection apparatuses capable of projecting ambiently displayed images at locations proximate to the telecommunication devices on surfaces that are substantially parallel to planes formed by the telecommunication devices are described herein. The telecommunication devices also have logic configured to provide predistorted images to the projection apparatuses, the predistorted images appearing without distortion when projected by the projection apparatuses on the surfaces in the ambiently displayed images.

Abstract: A telecommunication device configured to project an ambiently displayed image at a location proximate to the telecommunication device on a surface that is substantially parallel to a plane formed by a body of the telecommunication device is described herein. The telecommunication device is further configured to detect an interaction with the ambiently displayed image and perform an action based on the detected interaction.

Abstract: Provided is a head-mounted display element, including: a first casing (11) which incorporates therein at least a display element (21), and has a light projection window (11a) for projecting image light from the display element (21); a second casing (12) which incorporates therein an eyepiece optical system (31) with a refractive power, and has a light receiving window (12a) for receiving incident image light projected through the light projection window (11a) and an eyepiece window (12b) for emitting the image light that has passed through the eyepiece optical system (31); and a coupling portion (13) for coupling the second casing (12) to the first casing (11) so as to make adjustable a length of an optical path between the light projection window (11a) and the light receiving window (12a).

Abstract: A projection display apparatus includes a housing case housing a plurality of light sources, a light valve, and a projection unit. The housing case has a projection-plane-side sidewall and a front-side sidewall, the projection-plane-side sidewall facing the placement surface, the front-side sidewall being provided on an opposite side to the projection-plane-side sidewall. The front-side sidewall has a protruding portion protruding outward of the housing case.

Abstract: A projector that projects an image on a screen, includes: plural image generating units that generate an image lights representing the image; a main body housing that houses the plural image generating units; and plural projection optical units that are provided in the main body housing to respectively correspond to the plural image generating units and project the image lights generated by the image generating units on the screen.

Abstract: According to an embodiment, provided is an image projection apparatus that includes: an image forming unit that forms an image using light from a light source; a projecting optical unit that forms a projected image of the image formed by the image forming unit; and an outer housing that houses the image forming unit and the projecting optical unit. The image forming unit and the projecting optical unit are provided in the given order from a setting surface of the outer housing. A width of the outer housing in a direction perpendicular to a projection surface is larger at a position where the projecting optical unit is provided than at a position where the image forming unit is provided.

Abstract: An image projection apparatus includes a light source unit including a light source detachable from a main body, an image forming part to form an image with a light from the light source, a projection optical system to project the image, an openable cover to open and close an opening formed for attaching and detaching the light source unit to and from the main body, an abutting member on which the light source unit abuts when the light source unit is attached to the main body, and a pressing member to press the light source unit to the abutting member, in conjunction with a fix operation of the openable cover to the main body.

Abstract: A projector includes: a projection unit that projects projection light toward an illuminated surface; a housing that houses the projection unit and has an opening that allows the projection light to exit outward; and a cover portion that blocks the opening and transmits the projection light, wherein a plurality of areas is set in the cover portion relative to the projection unit, and a process of changing the reflectance of the light-incident surface of the cover portion at which the projection light is reflected is performed on each of the areas.

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 with single fan including a casing, a heat source, a light source module and an axial-flow fan are provided. The casing has an air outlet and a first air inlet. The heat source, the light source module and the axial-flow fan are disposed in the casing. The light source module includes a lamp shade and a light-emitting part. The axial-flow fan is disposed in a light outgoing side of the light source module and has an airflow inlet and an airflow outlet. When the axial-flow fan is operating, a first airflow is generated. After flowing through the heat source, the first airflow enters the airflow inlet and generates a second airflow. The second airflow, blown out from the airflow outlet, dissipates the heat generated by the light source module and then flows out to the outside of the casing.

Abstract: A projector system has interchangeable light source modules. The projector housing contains an imaging panel and a projection engine and has an inlet for receiving light from an external light source. At least one light source module contains a light source, a light outlet, and an internal focusing system such that substantially all of the light generated by the light system passes out through said outlet. The projector housing and module housing each contain hardware for releasably connecting the two separate housings to one another at a precise relative location so that substantially all of the light generated inside the module housing and exiting the outlet enters through the inlet of said projector housing.

Abstract: A freeform optical device is disclosed which has an at least partially curved surface with a surface geometry. Surface normals at multiple locations on the surface geometry can be computed to define the surface geometry with respect to multiple focal points corresponding to the surface normals at the locations in order to correct optical aberrations otherwise occurring at the focal points.

Abstract: A projector includes a main body and an optical assembly. The main body forms an image and projects the image to a first screen through a lens of the main body. The optical assembly is detachable from the light path of the lens, and is used for reflecting light beams emitted from the lens to project an image on a second screen when the optical assembly is in the light path of the lens. When the optical assembly is detached from the light path of the lens, the optical assembly projects the image on the first screen. The first screen and the second screen are on two adjacent perpendicular surfaces, such as a wall and a ceiling.

Abstract: A front-projection display system having a screen with improved brightness and/or resolution of an image displayed on outer portions thereof. The screen has a display surface that is generally a convex shape having a curvature of the display surface in the vertical direction of an image projected thereon that is less than a curvature of the display surface in the horizontal direction.

Abstract: The invention discloses a projector including a casing, an optical module, a light source module, a blowing fan, and an axial fan. The casing has a first air-outlet, a second air-outlet, and an air-inlet. The blowing fan and the axial fan are disposed corresponding to two sides of a light axis of the light source module respectively. When the blowing fan operates, an initial airflow into the casing from the air-inlet flows through the optical module and then a predetermined airflow generated by the blowing fan on a first air-outlet surface of the blowing fan cools the light source module. An angle is formed between the axial fan and one side of the casing. The axial fan directly sends the air around the light source module out of the casing through the first air-outlet and/or the second air-outlet.

Abstract: A heat exchanger which is hollow and contains a plurality of small flow paths includes: a plurality of partition walls disposed in parallel with one another in the width direction of the heat exchanger to form the plural small flow paths; and an inlet unit and an outlet unit configured to communicate with the inside and the outside of the heat exchanger, and allow cooling liquid to flow into and out of the heat exchanger through the inlet unit and the outlet unit, the inlet unit and the outlet unit extend in directions opposite to each other along the width direction from a pair of center positions located approximately at the centers of inner side surfaces of the heat exchanger in the width direction and opposed to each other, and penetrate outer side surfaces of the heat exchanger.

Abstract: A projection display device includes a light source; an optical system which modulates light from the light source, and emits the modulated light; a projecting portion which enlarges and projects the light emitted from the optical system; a cabinet which houses the light source, the optical system, and the projecting portion; an opening which is formed in one surface of the cabinet to allow mounting or dismounting of an optical component constituting the optical system, or the light source; a cover which covers the opening; and a holding portion which holds the cover in such a manner that the cover is allowed to slide in a direction along the one surface.

Abstract: A projector for projecting an image includes: a light source for generating a light bundle; a pivotable deflection unit for deflecting the light bundle generated by the light source onto a projection surface; and an imaging device for imaging an aperture of the deflection unit onto the projection surface. The imaging device includes a mirror objective having at least two mirror elements. A method for projecting an image is also provided.

Abstract: A projection display device includes a light source, a reflector, and a fixing portion. The device further includes a first air supply portion and a second air supply portion; a first air drawing portion which separates the cooling air from the first air supply portion into streams of the cooling air to guide one of the streams into an interior of the reflector in a first direction and to guide the other of the streams to the fixing portion in a second direction; and a second air drawing portion which separates the cooling air from the second air supply portion into streams of the cooling air to guide one of the streams into the interior of the reflector in a third direction and to guide the other of the streams to the fixing portion in a fourth direction.

Abstract: An anamorphic projection device is described. In one aspect, the device includes at least one camera and a projector such as a pico projector. The device receives information from the camera to sense position and orientation of a projection surface independent of the device. Based on this received information, the device renders an anamorphic image for perspective viewing on the sensed projection surface. In one implementation, the device receives the image wirelessly, for example, from a website. In one aspect, the device includes a user interface or UI. The UI allows a device user to navigate a projected image (e.g., use a cursor control or other means to navigate a webpage), present/download a new projected image, lock a projected image to a coordinate space on the projection surface to reduce or eliminate movement of the projected image responsive to user or device movement, etc.

Abstract: An interactive image projecting device that projects an image onto a display surface and controls the projected image based upon the detection or identification of the device housing or the remote object. The device has a touch-sensitive, flexible housing that may be transformed into different shapes. The image projecting device includes a projector that generates an image from a control unit. The device includes an illuminating emitter, which illuminates the device body and remote objects, and a light sensor that is operable to detect the position of its housing or remote object. Based upon the sensed housing or remote object, the control unit operates to modify the image projected from the device such that the image from the device can interact with its housing or remote object.

Abstract: A screen assembly and a rear-projection type graphic display device are provided to block overscanned light Lo projected outside a fresnel lens screen. The screen assembly 20A includes the fresnel lens screen 21, a screen retainer 22 and a light blocking member 23. The fresnel lens screen 21 forms an image on the side of a front surface 21b by image light Le incoming through a back surface 21a. The screen retainer 22 has a back surface 22a whose area is larger than the back surface 21a and the front surface 21b and which is opposed to the front surface 21b to hold it, and a front surface 22b located on opposite side of the back surface 22a to allow an image formed by the image light incoming through the back surface 21a to be visible through the front surface 22b. The screen retainer 22 has an optical transparency. The light blocking member 23 is arranged so as to surround respective side surfaces of the screen 21 in the form of a frame.

Abstract: A light-emitting device includes a circuit board, a light-emitting element, a light-condensing element, and a glue. The circuit board has through holes, a first surface, and a second surface. The through hole has a first pathway and a second pathway. The first pathway extends from the first surface into the circuit board. The second pathway extends from the second surface into the circuit board and communicates with the first pathway. An accommodating space of the second pathway is greater than that of the first pathway. The light-emitting element is disposed on and electrically connected to the first surface. The light-condensing element has positioning posts. A portion of the light-condensing element is disposed on the light-emitting element. The positioning post passes through the first pathway and is located inside the second pathway. The glue is disposed in the second pathway for fixing the positioning posts in the through hole.

Abstract: An image forming system is described that includes a light source that provides a light beam and an anamorphic refractive optical element. A first outer surface of the anamorphic element faces the light source and includes a toric surface. The light beam is incident upon the first outer face and then an incident surface of the anamorphic element. The anamorphic element directs the light beam to an image forming device. An illumination system is also described where an anamorphic element includes a toric surface and a facet surface.

Abstract: A projector includes a housing, an image projection unit, and an operation unit. The housing has a base and a side face. The side face has an area greater than an area of the base. A light projection port is disposed in a top face of the housing. The image projection unit, encased within the housing, projects light corresponding to image data via the light projection port. The operation unit, disposed on a top face of the housing, includes a first pressable control moveable in an upward/downward direction.

Abstract: A projector includes a housing, an image projection unit, and a plurality of connection ports including a power connection port. The housing has a top face, and a first face and a second face adjacent to each other, and a light projection port on the top face. The image projection unit includes an optical system to project light corresponding to image data, via the light projection port disposed on the top face, in an upward oblique direction with respect to the first face. The plurality of connection ports is disposed on the second face. The power connection port is disposed at a position in the second face closest to the first face side.

Abstract: A electronic device that includes an optical assembly containing a projector, an imager, or both is described. The optical assembly may be disposed in an accessory such as a cover for the electronic device, or the electronic device itself. The optical assembly may be attached by a flexible connector or articulated arm that, when extended, positions the optical assembly generally above a plane of an electronic display of the device. The optical assembly may project images onto the electronic display, portions of the cover, or other surfaces. An imager in the optical assembly detects user gestures or other visual inputs to initiate commands on the electronic device.

Abstract: A method and apparatus for displaying an image on a communication device are provided. The communication device is formed of a housing (305) having a plurality of surfaces and includes an electronically controlled display (310) coupled to one of the surfaces. The housing further includes a reflecting device (345) for reflecting an image from the display (310) onto another, non-electronic, display (320) located on another surface of the housing. The image is thus viewable on both surfaces of the housing.

Abstract: An information processor includes a housing, a projector attached to the housing, and a screen attached to the housing, wherein the projector projects light onto the screen.

Abstract: An optical projection unit comprising a first optical element module and at least one second optical element module is provided. The first optical element module comprises a first housing unit and at least a first optical element, the first optical element being received within the first housing unit and having an optically used first region defining a first optical axis. The at least one second optical element module is located adjacent to the first optical element module and comprises at least one second optical element, the second optical element defining a second optical axis of the optical projection unit. The first housing unit has a central first housing axis and an outer wall extending in a circumferential direction about the first housing axis. The first optical axis is at least one of laterally offset and inclined with respect to the first housing axis. Furthermore, the first housing axis is substantially collinear with the second optical axis.

Abstract: Provided is a focus unit fastening device for a projector, in which a plurality of fastening portions for coupling a focus unit to the projector by pushing and inserting the focus unit into the projector are formed integrally with a main body housing and the focus unit. The focus unit fastening device includes a projector main body housing, a focus unit engaged to the main body housing, a first fastening portion provided on the main body housing and the focus unit to fasten the focus unit to the main body housing by pushing the focus unit in a first direction and to prevent the focus unit from moving in a second direction perpendicular to the first direction, and a second fastening portion provided on the main body housing and the focus unit to fasten the focus unit to the main body housing by pushing the focus unit in the first direction and to prevent the focus unit from moving in the first direction.

Abstract: A housing includes a wall, a connector, a coupler, and a foot pad. The housing includes a bottom surface, a recess defined in the bottom surface, and a discontinuous ring-shaped engagement member surrounding the recess. The engagement member has a first gap and a second gap aligned with the first gap. The connector is connected to the engagement member and is rotatably engaged in the first gap. The coupler includes a main body and an engagement portion extending from a circumference surface thereof. A first engagement hole defined in a central portion of the main body. The main body is rotatably connected to the connector and engagable in the recess. The engagement portion engages in the second gap. The foot pad is connected to the coupler to seal the first engagement hole and received in the recess.

Abstract: Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative positioning between the projection chamber and base. The base maintains the position of the display device. The projection chamber includes components responsible for the production of images based on received video data and components responsible for the projection of those images. Relative pointing between the projection chamber and base allows the projection chamber to be pointed—and an output projected image to be positioned—with minimal effort.

Abstract: A lens adjusting device including a frame, a lens, a base, at least a positioning structure, and a locking device is provided. The lens is fixed on the frame. The base has a through hole with a predetermined shape formed thereon. The positioning structure is disposed on the base for movably positioning the frame on a plane above the base. The locking device including a screw, a nut, and a fixer is capable of fixing the frame to the base. The screw penetrates the frame and extends to below the base through the through hole of the base. The size of the through hole is greater than the size of a corresponding cross-section of the screw. The nut is disposed below the base and assembled to the screw to position the screw on the base. The fixer is disposed on the frame to constrain the rotation of the nut.

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: A host computer includes a host machine and a projector. The host machine has a keyboard. The projector is positioned about the keyboard and includes a projection lens. A using position of the projection lens is higher than a received position of the projection lens.

Abstract: Display systems and methods for mobile devices and mobile devices are disclosed. In one embodiment, a display system for a mobile device is provided. The mobile device is handheld and includes a primary display screen. The display system includes an auxiliary screen and a connecting device coupled to the auxiliary screen and attachable to the mobile device. An image from the mobile device is producible on the auxiliary screen. The display system is removable from the mobile device.

Abstract: A mobile terminal includes a projector module projecting an image onto an external surface; a display having a touchscreen; and a controller configured to receive a control signal corresponding to a touch input received via the display, wherein the control signal is for adjusting at least a size or a position of an external display area formed on the external surface such that the external display area is adjusted based on a touch pattern of the touch input, to adjust the external display area in response to the control signal, and to control the projector module to project the image on the adjusted external display area, wherein a screen area set and positioned according to the touch input is displayed via the touchscreen and the external display area is adjusted according to a size and a position of the screen area.

Abstract: An enclosure of a dichroic mirror system that synthesizes a plurality of monochromatic laser beams emitted from a laser light source to output synthesized light is a structure having a dichroic mirror system lower enclosure and a dichroic mirror system upper enclosure joined to each other, and includes a light-leakage protecting structure that is formed by a convex portion formed at an end of the dichroic mirror system lower enclosure and a concave portion formed at an end of the dichroic mirror system upper enclosure engaged with each other at a joint therebetween.

Abstract: An electronic device includes a body, a rotatable member, a projecting unit configured for projecting an image, a sensing unit and a processing unit. The body includes a connecting end, and a plurality of conductive contacts is formed at the connecting end. The rotatable member is rotatably connected to the connecting end. The rotating member includes a conductive ball configured for being electrically connected to one of the plurality of the conductive contacts, and the plurality of conductive contacts are formed along a displacement path of the conductive ball. The sensing unit is configured for sensing interactions at specific locations corresponding to the projected image. The processing unit stores a plurality of images, and is configured for controlling the projecting unit to project a corresponding image according to the conductive contact which is electrically connected to the conductive ball.

Abstract: An information technology system includes a micro projector display for displaying status, operating, troubleshooting, and location information. An image output from the micro projector display is viewable from outside the enclosure, for example on a cabinet door, an optional retractable projection screen included with the enclosure, or a floor, wall, or ceiling of a room, or other external surface. In some embodiments of the invention, a micro display projector is adapted for removable electrical and mechanical connection to one or more docking ports on the information technology system. In some embodiments of the invention, a projection direction for the micro projector display is selectable.

Abstract: A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is divided into an outlet side spatial compartment which is positioned on an outlet side of the cooling fan and in which the light source unit is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. The outlet side spatial compartment is covered thereabove by an upper division board, above which a heat conductive sheet which is formed of an aluminum sheet is disposed. The heat conductive sheet is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet can be discharged.

Abstract: A method and apparatus comprising a projector system and a structure connected to the projector system. The projector system is configured to project an image on an exterior surface of an aircraft. The structure is configured to be connected to the aircraft and has a shape configured to reduce an undesired airflow caused by the projector system when the aircraft is in flight.

Abstract: A projector includes: an operating panel having a plurality of operating buttons which carry out various operations, is exposed in the external surface of an exterior housing; a projection optical device configured to project an image light into which an incident luminous flux has been modulated in accordance with image information; an image adjustment section configured to change the relative positions of a plurality of lenses configuring the projection optical device; and an image adjustment panel having image adjustment buttons which cause the image adjustment section to operate, wherein the image adjustment panel is disposed in a position independent of the operating panel.

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.