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Illumination device and projector

Illumination device and projector

Fiber scanning projector

Date/App# patent app List of recent Projector-related patents
 Aerial display system with floating projection screens patent thumbnailAerial display system with floating projection screens
A system for presenting an aerial display over an audience of spectators. The system includes a plurality of unmanned aerial vehicles (uavs) and a plurality of flexible projection screens.
 Illumination device and projector patent thumbnailIllumination device and projector
An illumination device includes a light source device which has a plurality of light emission regions including a first light emission region and a second light emission region, and is able to adjust the amount of light emitted from each of the plurality of light emission regions, a light source control device which controls the light source device such that, in a first period, the amount of light emitted from the first light emission region is different from the amount of light emitted from other light emission regions among the plurality of light emission regions, and in a second period, the amount of light emitted from the second light emission region is different from the amount of light emitted from the second light emission region in the first period, and an illumination optical system which superimposes light from the plurality of light emission regions in an illumination region.. .
 Illumination device and projector patent thumbnailIllumination device and projector
An illumination device includes a light source device, a uniformization optical system which uniformizes the illuminance distribution of light from the light source device on a region to be illuminated, and a diffraction optical element which is provided in an optical path between the light source device and the uniformization optical system, and rotates around a predetermined rotation axis. The diffraction optical element includes a first region which forms a first illuminance distribution, and a second region which is provided at a position different from the first region around the rotation axis, and forms a second illuminance distribution different from the first illuminance distribution..
 Fiber scanning projector patent thumbnailFiber scanning projector
A fiber scanning projector includes a light source comprising a plurality of monochromatic light sources, a modulator providing a modulation signal according to image information to the light source, a scanner scanning a screen with a light emitted from the light source and controlled according to the modulation signal, the scanner including a fiber bundle and an actuator which 2-axis-drives the fiber bundle, and a synchronization controller synchronizing driving of the actuator and driving of the modulator.. .
 Light source apparatus and projector patent thumbnailLight source apparatus and projector
A light source apparatus includes a light source unit, a light diffusion element that is provided so as to be rotated about a predetermined rotation shaft and includes a plurality of diffusion regions which are consecutively formed around the rotation shaft, and a motor that rotates the light diffusion element so that a region on which light from the light source unit is incident in the light diffusion element is moved between the plurality of diffusion regions. The plurality of diffusion regions include a first diffusion region, and a second diffusion region which has diffusion characteristics different from diffusion characteristics of the first diffusion region and is provided so as to be adjacent to the first diffusion region..
 Projector patent thumbnailProjector
A projector that outputs a first picture and a second picture alternately, wherein a control section performs first control and second control, controls a discharge lamp driving section. In the first control and the second control, the absolute value of a drive current is relatively small in a first period and relatively large in a second period.
 Projection correcting system and method, and projector patent thumbnailProjection correcting system and method, and projector
The purpose of the present invention is to carry out, simply and reliably, distortion correction and uneven brightness correction, and includes a memory for blending data; a memory for geometric correction data; an image correcting unit; and a cpu which, upon receiving two-dimensional correction data representing the contents of geometric correction data for performing distortion correction and blending data for performing brightness correction, creates the blending data and the geometric correction data based on the two-dimensional correction data, stores the data into the memory for blending data and into the memory for geometric correction data, refers, as regards the input image signal, to the stored contents in the memory for blending data and the memory for geometric correction data and causes the image correcting unit to perform distortion correction and uneven brightness correction in accordance with the stored contents.. .
 Device and method for projecting an image patent thumbnailDevice and method for projecting an image
The present invention relates to a method of projecting a portion of an image, which is to be projected on to a display area, with improved brightness, comprising the steps of configuring a projector such that it projects over a portion of the display area, modifying a signal which defines the pixels of the image, to provide a signal which defines pixels of a portion of the image. The present invention further relates to a corresponding device..
 Device for generating a display image on a composite glass pane patent thumbnailDevice for generating a display image on a composite glass pane
A device for generating a display image on a composite glass pane is described. The device has: a composite glass pane with a first pane and a second pane, which are connected to each other via an intermediate layer that contains at least one luminescent pigment; a laser projector, which contains at least one laser and an optical system for deflecting a radiation of the laser, the radiation being directed within a region of the composite glass pane; a photodetector, which detects luminescent radiation of the luminescent pigment; and a control unit, which electronically connects the photodetector and the laser projector..
 Touch-sensitive display devices patent thumbnailTouch-sensitive display devices
We describe a touch sensitive image display device including: an image projector to project a displayed image onto a surface; a touch sensor light source to project a plane of light above the displayed image; a camera to capture a touch sense image from light scattered from the plane of light by an approaching object; and a signal processor to process the touch sense image to identify a location of the object. The touch sensor light source is amplitude modulated, and signal processor is further configured to process a plurality of the touch sense images captured when said touch sensor light source is off to compensate for ambient light in a touch sense image captured when the touch sensor light source is on..
Optical head-mounted display with mechanical one-dimensional scanner
An optical head-mounted display includes an eyeglass frame, a holographic optical element supported by the eyeglass frame to be confronted by an eye of a wearer, and a projector mounted on the eyeglass frame to project image information on the holographic optical element. The projector includes a led light source, a beam-splitting polarizer, a spatial light modulator, a lens set and a mechanical one-dimensional scanner.
Method and apparatus for calibration of multiple projector systems
Disclosed is a method for improving the calibration of multiple projector systems in spatial augmented reality systems where multiple projectors are used to project images directly onto objects of interest. The methods and system described herein improve the calibration of multiple projector systems in order to improve the alignment and clarity of projected images by reducing ghosting that can occur with poorly aligned projectors.
Light source apparatus, discharge lamp driving method, and projector
In at least one embodiment, a light source apparatus includes a discharge lamp with a pair of electrodes and a driving unit that supplies a driving current to the pair of electrodes. The driving unit includes an ac supplier that supplies an alternating current to the pair of electrodes and a dc supplier that supplies a direct current to the pair of electrodes.
Multiprojection system
Provided is a multiprojection system capable of preventing degradation in the quality of a displayed image to be while allowing detection of light that an adjacent projector projects to form an image. A plurality of projector units (1) each projects a formed image in such a way that the plurality of formed images are joined with each other to form a single displayed image.
Laser based display method and system
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 a light source for illustrating images.
Calibration of a super-resolution display
A projector system includes an image generator and at least one projector for receiving an image from the image generator and projecting the image onto a screen to provide a final projected image. A computer generates correction data based on a calibration process that includes comparing an uncorrected image projected by the at least one projectors with a geometrically correct image.
Wearable display system with detached projector
A display system. A display device has viewports emitting expanded views of an image, an image receiving area receives the image, and optical conduits with exit pupil expanders expand the image through the viewports.
Light emitting device, super-luminescent diode, and projector
A light emitting device includes a laminated body having an active layer, a first cladding layer, and a second cladding layer, the active layer constitutes an optical waveguide, the optical waveguide includes a first portion connecting a first exit section and a first reflecting section to each other, a second portion connecting the first reflecting section and a second reflecting section to each other, and a third portion connecting the second reflecting section and a second exit section to each other, and a current density in the first portion and a current density in the third portion are higher than a current density in the second portion.. .
Apparatus and methods for locking resonating frequency of a miniature system
A resonance locking system for a pico-projector, the system comprising a resonance frequency sensor operative for sensing change in resonance frequency of a miniature mechanical device (10) including a moving mirror assembly having a driving frequency, by comparing a current resonance frequency to a reference; and a feedback loop changing at least one aspect of use of the miniature moving mirror assembly responsive to a current value of the resonance frequency measured by the sensor.. .
Image projector having an optical projection system with independently focusing lens
An optical projection system for projecting an enlarged image on a projection surface is provided. The optical projection system includes an image forming element, a coaxial optical system and a concave mirror.
Orthogonally disposed projection surfaces
A system for projecting changeable electronic content across multiple display surfaces. The system includes display surfaces arranged at a non-zero angle with respect to one another, such as three orthogonal display surfaces in the corner of a rectangular shaped product container.
Graphical user interface device
In one embodiment, a graphical user interface device comprises an image display device configured to display an operation window including a first operation area which corresponds to a first area and a second operation area which corresponds to a second area. An allocation unit is configured to allocate the graphical user interface device to the first operation area, and to allocate one of a plurality of participant devices to the second operation area.
Method and apparatus for wireless image transmission to a projector
A method and apparatus is provided in which a digital image is transmitted to a presentation projector resource over a wireless transmission medium using a reduced amount of bandwidth by transmitting a subset of the digital image data. The subset of image data may be a delta subset that represents those areas of the image that have changed since the previous transmission.
Method and apparatus for user interface of input devices
A 3 dimensional (3-d) user interface system employs: one or more 3-d projectors configured to display an image at a first location in 3-d space; one or more sensors configured to sense user interaction with the image and to provide user interaction information; and a processor configured (i) to receive the user interaction information from the one or more sensors; (ii) to correlate the user interaction with the image; and (iii) to provide one or more indications responsive to a correlation of the user interaction with the image, including displaying the image at a second location in 3-d space.. .
Spect motion-correction
A nuclear camera acquires projections which are iteratively reconstructed by a reconstruction processor into an motion-artifacted image and stored in an image memory. The motion-artifacted image is forward-projected by a forward-projector to create forward-projections which are compensated for image degrading factors, such as resolution recovery, scatter and attenuation, and are compared with the acquired projections by a comparing unit to generate a motion-correction.
Projector and projector system
A projector includes a projection portion including a laser beam generation portion and a scanning portion scanning a laser beam, projecting an image, a light detection sensor provided separately from the projection portion, including a light receiving portion receiving the laser beam reflected by a detection object, and a control portion acquiring the position of the detection object on the image on the basis of a detection result of the laser beam.. .
Projectors of structured light
Optical apparatus includes a beam source, which is configured to generate an optical beam having a pattern imposed thereon. A projection lens is configured to receive and project the optical beam so as to cast the pattern onto a first area in space having a first angular extent.
Laser projection system with motion compensation and method
A method of accurately projecting a laser image pattern on a work surface and continuously compensating for relative dynamic movement between the laser and the work surface, including establishing a position of the camera in three dimensions relative to the work surface by locating the targets in the camera image, establishing a position of the laser relative to the work surface utilizing the fixed position of the laser relative to the camera, and using a computer to continuously adjust the rotation of the laser projector mirrors in response to dynamic movement of the laser projector relative to the work surface as determined by the camera. In one embodiment, the computer continuously tracks at least two prior locations of the laser projector relative to the work surface and predicts the next location of the laser, compensating for movement of the laser relative to the work surface..
Interactive display system and method
The present disclosure describes an interactive display system, method and computer readable medium. In one embodiment, an interactive display surface having one or more computer generated patterns printed thereon may be utilized in conjunction with an electronic pen in order to identify the absolute position of the pen relative to the interactive display surface.
Line projection system
A laser-based line projection system that is suitable for selectively placing lines on a floor surface, such as a factory floor. Several projectors are used in a typical installation.
System, software and associated method of use thereof for the transfer of information between a moderator adn recipients
The present invention relates to a web-based computer system, a web-based computer software, and a method of use thereof for the transfer of information between a moderator and a plurality of recipients either in a face-to-face environment or in a remote environment, and more specifically the use of a moderator station, a projector display, and a plurality of user web-enabled devices connected to a network in a group and team competitive environment.. .
Lens and projector
The present invention provides a lens and a projector having the same lens. The lens comprises: a lower substrate, an upper substrate opposite to the lower substrate, and a common electrode located at a lower side of the upper substrate, wherein the lower substrate is formed thereon with at least two electrode groups; moreover, between the common electrode and the electrode groups, there is provided with lens liquid, and the lens liquid is composed of hydrophilic liquid and oleophilic liquid.
Head-up display device
A head-up display device includes a projector, a screen component and a prism component. The prism component integrally has an incidence surface into which laser light enters from the projector, a mirror surface which reflects the laser light entering inside the prism component from the incidence surface, and an exit surface which emits the laser light reflected by the mirror surface toward the screen component outside of the prism component, as optical surface on an optical path, and each of the incidence surface and the exit surface constructs a lens surface such that that the laser light is formed into an image relative to the screen component in a spot state..
Positional deviation detection unit, light emitting device, illumination apparatus, projector, vehicle headlamp, and positional deviation adjustment method
A positional deviation detection unit (20) includes a detection portion (21) that detects a relative positional relationship between a laser element (24), a condensing lens (27), and a light emitting portion (3), and a determination portion (22) that compares a detection result from the detection portion (21) with a reference relative positional relationship which is used as a reference for the relative positional relationship, so as to determine whether or not there is a deviation of the relative positional relationship between the laser element (24), the condensing lens (27), and the light emitting portion (3) when the detection portion (21) performs the detection, from the reference relative positional relationship.. .
Light emitting device, super luminescent diode, and projector
A light emitting device includes: an active layer; and a first cladding layer and a second cladding layer that sandwich the active layer, wherein the active layer forms an optical waveguide that guides light, a traveling direction of the light guided in the optical waveguide changes at a first reflection part provided on a first side surface of the active layer, and the first reflection part is located outside of a region in which the first cladding layer and the second cladding layer are provided in a plan view.. .
Projection optical assembly and projector device
There is provided a projection optical system (1) that projects from a first image plane on a reducing side to a second image plane on an enlargement side, including a first refractive optical system (11) that includes eight lenses (l1) to (l8) and forms a first intermediate image (31) on the enlargement side using light that is incident from the reducing side, a second refractive optical system (12) that includes six lenses (l9) to (l14) and forms the first intermediate image (31) on the reducing side into a second intermediate image (32) on the enlargement side, and a first reflective optical system (20) that includes a first reflective surface (21a) with positive refractive power that is positioned closer to the enlargement side than the second intermediate image (32).. .
Projector for preventing thermal deterioration of a light shielding member
A projector includes: a light source device; an optical modulation device configured to modulate a luminous flux emitted from the light source device in accordance with image information, forming an image; a projection optical device configured to project the image; a shutter device including a light shielding plate which can move into and out of an optical path of the luminous flux ranging from the light source device to the optical modulation device, shields the luminous flux by the light shielding plate moving into the optical path; and a light control device which being disposed on the optical path's upstream side of the shutter device, changes the area of a light passage through which the luminous flux passes, controlling the quantity of the luminous flux.. .
A projector includes: an external housing that includes a projection opening and an exhaust port arranged on the same side as the projection opening; an axial-flow fan that causes air to flow therein with the rotation of blades and delivers the air flowing therein; and a plurality of slats that are arranged at the exhaust port and guide the air delivered from the axial-flow fan to an outside. The plurality of slats include an elongated slat that is disposed in, among four exhaust areas arranged side by side in the exhaust port, one of the two exhaust areas on the side close to the projection opening and whose length in a direction in which the air is guided corresponding to a rotational direction of the blade is longer than that of the slats disposed in the other areas..
Projector, color wheel protection circuit, and color wheel protection method
The invention provides a projector, a color wheel protection circuit, and a color wheel protection method. The projector includes a color wheel, a light source, a controller, and a protection circuit.
Projector with heat sinks and single fan module
An image projector in a case, having a light engine, a circuit board, a heat sink assembly, and a fan assembly, has one or more heat sinks and heat pipes shaped to gather heat from all heat-generating components within the projector and a single air passage to receive the heated air combined from all components, allowing the employment of a single fan module in sucking cool air from the exterior and exhausting heated air through the single air passage.. .
Image processing apparatus, projector and projector system including image processing apparatus, image processing method
An image processing apparatus includes: an imaging unit configured to take an image of an area including an object on which an image is projected and to acquire image data; a distance measuring unit configured to calculate distance data relevant to a distance between the object and the imaging unit based on the image data; a plane estimating unit configured to estimate a plane corresponding to the object based on the distance data; and a correction information calculating unit configured to calculate correction information relevant to correction of an image to be projected based on the distance data and plane information relevant to the plane.. .
External vehicle projection system
An external projection system for an automobile includes a mounting framework coupled to an exterior portion of an automobile. The projection system includes first and second projectors mounted to the mounting framework and each configured to project an image forwardly away from the automobile.
High directivity screens
A theater utilizes multiple projectors that are widely spaced. The wide spacing of the projectors reduces hot spotting that occurs on flat, curved, retro-reflective, and other types of screens.
Multi-pitching angle suspended 3d display device with 360-degree field of view
This invention discloses a multi-pitching angle suspended space 3d display device with 360° fov, comprising: a transmitted composite deflective diffusing screen, a high speed projector, an image generator, a detecting module and a rotating drive mechanism. The high speed projector projects the composite images of the 3d objects of different pitching angles and horizontal 360° views to the composite deflective diffusing screen that rotates at a high speed.
Display apparatus, illumination apparatus and vehicle having projector device
A display apparatus, an illumination apparatus and a vehicle having a projector device are disclosed. The projection device is disposed at the front of the vehicle through a mounting device, which is movably joined onto the vehicle, and can convert an image signal, which is outputted from an image data source, into a projection image to project the projection image on the ground in front of the vehicle in a determined distance.
Laser generated measuring device
The present invention relates to a laser-based measuring device which can be used to measure geometrical sizes and lines of a plane from a distance away. The device comprises a hand-held or mountable housing unit containing a laser projector, two pivotally fixed mirrors moveable by a first and second motor respectively, and at least one range finder, wherein the laser generates a visible line whose width is determined by the on time of the laser the angle of reflection of the first mirror and the rotational speed of the second mirror.
Unauthorized use preventing system of projection-type projector
An unauthorized use preventing device includes: a first measuring unit that measures a global position thereof and outputs the global position as first position information; and a first transmission unit that wirelessly transmits the first position information to an outside. The security section includes: a second measuring unit that measures a global position thereof and outputs the global position as second position information; a first receiving unit that receives the first position information; a position comparison unit that determines whether an inter-instrument distance calculated based on the first and second position information is less than a threshold distance or equal to or more than the threshold distance, and outputs a result of the determination as a position comparison result signal; and a logical product calculation unit that calculates and outputs a logical product of the position comparison result signal and a power supply turning-on signal..
Autocapture for intra-oral imaging using inertial sensing
An intra-oral camera has a projector that is energizable to emit patterned illumination and an imaging sensor that is energizable to obtain image content. An inertial motion sensing element provides signals indicative of acceleration of the intra-oral imaging apparatus along at least one axis.
Projector light bulb
A display system that includes a projector light bulb. The system includes a light fixture with a conventional light bulb socket.
Light projector and sensor
A light projector has a light emitting device having a light emitting surface, an optical fiber having an incident end-face to which light emitted from the light emitting surface enters, and a lens arranged between the light emitting surface of the light emitting device and the incident end-face of the optical fiber. The light emitting device, the optical fiber and the lens are arranged on one optical axis.
High gain display screen with rotated microlens array
A transparent screen includes a microlens array. The microlens array includes microlenses that are individually rotated to reflect a projected image to a common eyebox.
Projection system
A projection system includes at least one projector and a holographic projection film. The projector projects a first image to a projection surface.
Apparatus for projection and methods for using the same
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.
Projector with fan and heat sinks
A projector includes a case, an optical engine, a heat sink, a circuit board, and a fan. The case includes two sidewalls, and each sidewall defines an air hole.
Optical system
An optical system for a projector is provided, which includes a solid-state light source module, an optical module, a phosphor element and a light relay module which are disposed sequentially. The light source module can generate a first beam, while the optical module can relay and uniformize the first beam so that the first beam is uniformly incident on the phosphor element.
Light source apparatus and projector
A light source apparatus according to the present invention includes a phosphor wheel having a phosphor disposed in an annular shape on a disk-shaped base material, the phosphor serving to emit fluorescent light from excitation light, thereby forming an excitation light source having a predetermined color, and the phosphor having a discontinuous portion in a part of the annular shape, an excitation light source for emitting the excitation light with which a passage position of the circular phosphor is irradiated with respect to the phosphor wheel to be rotatively driven by the wheel motor, and a controller that controls light emission of the light source and the excitation light source synchronously with a position of the discontinuous portion with respect to an irradiation position of the excitation light.. .
Double-lens double-groove assembly
A double-lens double-groove assembly including a frame and at least two adjacent grooves in or on the frame spaced to hold at least two lenses and at least a material between the lenses. The frame can be an eyeglass frame, a camera lens frame, a projector lens frame, or some other type of lens frame.
Electronic device having a projector function and a vibrating mirror element
A vibrating mirror element includes a mirror part that reflects light and is tiltable around a rotation axis, a first deformable coupling beam and a second deformable coupling beam connected respectively to a first mirror end portion and a second mirror end portion of the mirror part positioned on an intersection line that intersects the rotation axis, and a first drive part and a second drive part that each include a piezoelectric element that deforms by voltage application, the first drive part and a second drive part connected respectively to the first deformable coupling beam and the second deformable coupling beam.. .
Electronic device having a projector function and a vibrating mirror element
A vibrating mirror device includes a mirror portion, a driving portion including a detecting electrode that detects an amount of deformation of a piezoelectric element when driving the mirror portion by applying a voltage to cause the piezoelectric element to deform, an insulating layer formed on a top face of the piezoelectric element, and a first lead interconnection that is formed on the top face of the insulating layer, that contacts the detecting electrode, and that extends to a region outside of the driving portion.. .
Electronic device having a projector function and a vibrating mirror element
A vibrating mirror element includes a mirror portion that reflects light and is tiltable around a rotational axis, a tiltable frame portion connected to a mirror end portion of the mirror portion at a position on an intersecting line that intersects with the rotational axis, a driving portion that includes a piezoelectric element that deforms through application of a voltage, and a connecting portion that connects the frame portion and the driving portion and is tiltable through deformation of the piezoelectric element of the driving portion. The frame portion can be tilted by tilting the connecting portion, and the mirror portion can be tilted by tilting the frame portion..
Interactive projector system and method
An interactive image projecting device that projects an image onto a display surface and controls the projected image based upon movement of the image projecting device or the detection of another image. The image projecting device includes a projector that generates an image from a control unit.
Infrared scanner and projector to indicate cancerous cells
Provided herein are methods and devices for detecting and/or indicating cancerous cells. In some embodiments, infrared light can be used to induce an infrared signature of one or more cells and visible light can be used to indicate the one or more cells having the infrared signature..
Vehicle headlight assembly
A reflector configured to receive and reflect illumination from an illumination device across a projector lens of a vehicle headlight assembly. The reflector includes a reflection surface, a curved edge adjacent to the reflection surface and defining a lower illumination aperture, and a wall member extending across the lower illumination aperture to define a gap portion between the wall member and the curved edge.
Projector and image display apparatus
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).
Projector and method for controlling the same
A projector includes a light detector that detects light brightness information on the brightness of light emitted from a light source and an adjuster that corrects the light brightness information detected with the light detector and adjusts the output from the light source based on the corrected light brightness information.. .
Illumination device and projector
An illumination device includes: a light emitting element that includes an active layer, a first clad layer and a second clad layer with the active layer interposed therebetween, and a first gain region and a second gain region generating light when a current flows through the active layer; a control unit that operates the light emitting element so that light is alternately generated in the first gain region and the second gain region; and a first lens to which light emitted from a first light emitting portion of the first gain region and light emitted from a second light emitting portion of the second gain region are incident, wherein the light emitted from the first light emitting portion and the light emitted from the second light emitting portion are emitted in the same direction and are incident to the first lens.. .
Personal interactive overhead projection inflight entertainment system
In a personal interactive overhead projection ife system, an overhead projector associated with a passenger's seat projects video onto a passive substrate attached to the seat. The passive substrate may be a tray table or a dedicated video projection screen.
Non-contact measurement device
A portable coordinate measuring machine for measuring the coordinates of an object in space is provided including a manually positionable articulated arm portion having a plurality of connected arm segments that include position transducers that provide position signals. A probe assembly connected to an arm segment includes a non-contact measurement device having a projector and a camera separated by a baseline distance.
Projector system and control method thereof
A projector system includes: a position detecting unit that detects a pointed position of a pointer on a projection surface; a drawing unit that performs drawing on the projection surface according to the pointed position detected by the position detecting unit; a height detecting unit that detects a height of a user of a projector; and a display changing unit that changes, according to the user's height detected by the height detecting unit, at least one of a shape of the image projected onto the projection surface and a display position of the image on the projection surface.. .
Hybrid image decomposition and protection
Hybrid image projection systems and methods can superimpose image components of an input image. An input image can be divided into smaller regions and at least one parameter of each region can be determined.

Popular terms: [SEARCH]

Projector topics: Augmented Reality, Multiplexing, Lens Array, User Input, Input Devices, Interactive, Input Device, Signal Processing, Modulation, High Contrast, Contrast Ratio, Digital Micromirror Device, Coordinates

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