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Christie Digital Systems Usa Inc patents


Recent patent applications related to Christie Digital Systems Usa Inc. Christie Digital Systems Usa Inc is listed as an Agent/Assignee. Note: Christie Digital Systems Usa Inc may have other listings under different names/spellings. We're not affiliated with Christie Digital Systems Usa Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Christie Digital Systems Usa Inc-related inventors


Multispectral medical imaging devices and methods thereof

A multispectral medical imaging device includes illumination devices arranged to illuminate target tissue. The illumination devices emit light of different near-infrared wavelength bands. ... Christie Digital Systems Usa Inc

System and method for projecting images on a marked surface

A system, method and computer readable medium for projecting images on a marked surface. The system includes a memory storage unit, a projector, a camera, an input device for receiving input data to align correspondence points in a template image with features on a marked surface, a computing device for calculating a correction model, and a rendering device for generating image data. ... Christie Digital Systems Usa Inc

Method and system for screen correction

A method, system, and a computer readable medium for screen correction is provided. The system includes a memory storage unit for storing model content, a screen having screen parameters, an input device for receiving the screen parameters, a correction engine, and a projector. ... Christie Digital Systems Usa Inc

System and method for digital black level blending

A system and method for digital black level blending is provided. The system comprises: projectors located to project respective images, onto a screen, that overlap in one or more overlap regions; at least one camera; and a computing device configured to, for each given projector: determine, using the at least one camera, respective correspondences between projected points of a given image, projected onto the screen by the given projector, and respective points of respective image modulators of other projectors of the projectors, the respective correspondences representing the respective points of the respective image modulators of the other projectors that correspond to overlap regions; determine respective brightness of the overlap regions; and, control pixels of an image modulator of the projector, and each of the respective image modulators, at least adjacent edge pixels corresponding to edges of overlap regions, to increase brightness in corresponding image regions using the respective brightness.. ... Christie Digital Systems Usa Inc

System and method for digital black level blending

A system and method for digital black level blending is provided. The system comprises: projectors located to project respective projector images overlapping in overlap regions; at least one sensor configured to acquire digital images of at least portions of the plurality of projector images; and a computing device configured to, for each given projector: determine, using the at least one sensor, respective correspondences between projected points of a given projector image and respective points of respective image modulators of other projectors of the projectors, the correspondences representing the respective points of the respective image modulators of the other projectors that correspond to overlap regions; determine respective brightness of the overlap regions; and, control pixels of an image modulator of the projector, and each of the respective image modulators, at least adjacent edge pixels corresponding to overlap region edges, to increase brightness in corresponding projector image regions using the respective brightness.. ... Christie Digital Systems Usa Inc

Apparatus for wavelength conversion

There is provided an apparatus for wavelength conversion, comprising a wavelength converter, a first reflector, a second reflector, a third reflector, and a first lens. The first reflector has a curvature and is configured to reflect a plurality of input light beams onto the second reflector. ... Christie Digital Systems Usa Inc

Apparatus for wavelength conversion

There is provided an apparatus for wavelength conversion, comprising a wavelength converter, a first reflector, a second reflector, a third reflector, and a first lens. The first reflector has a curvature and is configured to reflect a plurality of input light beams onto the second reflector. ... Christie Digital Systems Usa Inc

Apparatus for combining light beams

There is provided an apparatus for combining light, which comprises a support having a first face, a second face, and a support aperture extending through the two faces. The apparatus also comprises a first receiving bank and a second receiving bank disposed on the first face and second face respectively, and configured to receive first and second sets of light sources configured to emit first and second sets of light beams respectively. ... Christie Digital Systems Usa Inc

Core-shell quantum dots and method of synthesizing thereof

There is provided a quantum dot comprising a core comprising a semiconductor and a shell substantially covering the core. The core has a first side and a second side opposite the first side. ... Christie Digital Systems Usa Inc

Apparatus for reducing coherence of a laser beam

There is provided an an apparatus for reducing coherence of a laser beam, which apparatus comprises a rectangular chamber having a first, second, and third walls each comprising a reflective inner surface, and a fourth wall comprising a beam splitter. The fourth wall is configured to transmit a portion of the laser beam into the chamber to form an input beam incident upon the first wall. ... Christie Digital Systems Usa Inc

Device for homogenizing laser light using a rotating lens field

A device for homogenizing laser light using a rotating lens is provided. The device comprises: a laser; an integrating rod having an input face; a lens located between the laser and the input face of the integrating rod, the lens having an optical axis, the lens positioned to receive light from the laser, off the optical axis, and focus the light through the input face of the integrating rod; and, an actuator device configured to rotate the lens about an axis of rotation different from the optical axis.. ... Christie Digital Systems Usa Inc

Device, system and method for cross-talk reduction in visual sensor systems

A device, system and method of cross-talk reduction in visual sensor systems is provided. A display device is configured to provide first images viewable by a first visual sensor system, and second images, viewable by a second visual sensor system. ... Christie Digital Systems Usa Inc

System and method for geometric warping correction in projection mapping

A system and method for geometric warping correction in projection mapping is provided. A lower resolution mesh is applied to a mesh model, at least in a region of the mesh model misaligned with a corresponding region of a real-world object. ... Christie Digital Systems Usa Inc

System and method for displaying layered images

A system and method for displaying layered images is provided. A rear display element displays a first image including a background. ... Christie Digital Systems Usa Inc

11/16/17 / #20170328549

Rotatable heat sink with internal convection

According to the present specification there is provided a rotatable heat sink device which comprises a heat sink configured to enclose a cooling fluid, and the heat sink is rotatable about a rotational axis. The heat sink, in turn, comprises a first portion configured to receive thermal energy from a source external to the heat sink, and a second portion configured to dissipate at least a portion of the thermal energy to surroundings external to the device. ... Christie Digital Systems Usa Inc

09/28/17 / #20170280119

Reduced blend artifacts in a multiple digital projector system

Techniques for reducing blend artifacts in a multiple digital projector system are provided, including a first and second projector, having respective projection fields which overlap in a blend zone and one or more control devices configured to: for a given pixel of a common image frame projected by both the first projector and the second projector in the blend zone, the given pixel of the common image frame comprising a plurality of bitplanes arranged in a sequence, control the first projector to project a first portion of the plurality of bitplanes according to the sequence; and control the second projector to project a second portion of the plurality of bitplanes according to the sequence, the second portion complementary to the first portion, such that in the common image frame only one of the first projector and the second projector projects any given bitplane of the plurality of bitplanes.. . ... Christie Digital Systems Usa Inc

08/31/17 / #20170251185

Or-function illumination in phased bitplanes in a high dynamic range projector

Or-function illumination in phased bitplanes in a high dynamic range projector is provided, which can be used to reduce flicker artifacts. The projector comprises: a light source; a premod display; a prime display, the premod display configured to modulate light from the light source to illuminate the prime display; and, a computing device. ... Christie Digital Systems Usa Inc

06/29/17 / #20170186345

System for mounting a plurality of display units

According to the present specification there is provided a system for mounting a plurality of display units, which system comprises a display locating component that is substantially two-dimensional. The display locating component defines a surface having a profile, and the display locating component has a plurality of mounting positions each at a predetermined position on the display locating component, each mounting position configured to receive at least one of the display units. ... Christie Digital Systems Usa Inc

05/11/17 / #20170132989

System and method for displaying layered images

A system and method for displaying layered images is provided. A rear display element displays a first image including a background. ... Christie Digital Systems Usa Inc

05/04/17 / #20170123201

Light emitting wheel with eccentricity for dispelling a thermal boundary layer

A light emitting wheel with eccentricity for dispelling a thermal boundary layer a light emitting material is provided, including a device comprising: a light emitting material; a cooling plate configured to cool the light emitting material, the cooling plate comprising a center-of-mass that is different from a center-of-rotation of the cooling plate; and, a hub located at the center-of-rotation of the cooling plate.. . ... Christie Digital Systems Usa Inc

04/13/17 / #20170103509

System and method for online projector-camera calibration from one or more images

A system and method for online projector-camera calibration from one or more images is provided. The system comprises: a projector, a camera, and a calibration device configured to: determine a map between pixels of each of a projector image and a camera image in fewer than one hundred percent of pixels of the projector image using feature extraction; determine an initial estimate of a fundamental matrix from the map; determine an initial guess of intrinsic properties of the projector and camera using one or more closed-form solutions; iteratively determine an error-function based on the map using the fundamental matrix while adding constraints on the intrinsic properties using the one or more closed-form solutions, and the initial estimate and guess as initial input; and, when the error-function reaches an acceptance value, determine intrinsic and extrinsic properties of the projector and the camera from current values of iterative estimates.. ... Christie Digital Systems Usa Inc

03/02/17 / #20170064294

Projection mapping video pipeline

A projection mapping video pipeline is provided including a system comprising: a lookup table generator; a memory and a communication interface, the memory storing: a three-dimensional (“3d”) model of a physical object; and a mapping of the 3d model onto unwrapped two-dimensional (“2d”) surfaces of the 3d model; the lookup table generator configured to: receive projector data defining a location, an orientation and lens characteristics associated with a given projector, relative to the physical object; generate a lookup table from the 3d model, the mapping and the projector data, the lookup table comprising a respective mapping of projector pixels to the unwrapped 2d surfaces of the 3d model, respective to the given projector; and, transmit, using the communication interface, the lookup table to a given control device in communication with the given projector.. . ... Christie Digital Systems Usa Inc

03/02/17 / #20170059126

System for producing an output light beam of a given spectrum

A system for producing an output light beam of a given spectrum is provided. The system comprises: a light source; a separator configured to separate an input light beam, from the light source, into a retained light beam directed along a first path and an excess light beam directed along a second path, based on wavelength of the input light beam; an optical power shifter positioned to intercept the excess light beam, the optical power shifter configured to convert the excess light beam into a power-shifted light beam comprising at least some wavelengths and/or power red-shifted relative to the excess light beam; and a combiner positioned to intercept both the retained light beam and the power-shifted light beam, the combiner configured to combine the retained light beam and the power-shifted light beam onto a common path to produce the output light beam.. ... Christie Digital Systems Usa Inc

02/09/17 / #20170039756

System and method for automatic alignment and projection mapping

A system and method for automatic alignment and projection mapping are provided. A projector and at least two cameras are mounted with fields of view that overlap a projection area on a three-dimensional environment. ... Christie Digital Systems Usa Inc

01/19/17 / #20170018232

Reduced blur, low flicker display system

A reduced blur, low flicker display system is provided, comprising: a display device comprising an array of pixel devices, each configured to be driven to a given output intensity value by changing each of the pixel devices between at least two intensity values within an image frame, including: a first intensity value and a second intensity value, higher than the first intensity value; and, a computing device configured to: spatially drive the pixel devices, according to image frames of image data, on a pixel-by-pixel basis and independent of one another, to respective output intensity values, according to at least two different spatio-temporal driving modes within a same image frame, a first set of the pixel devices driven according to a first spatio-temporal driving mode, and a second set of the pixel devices driven according to a second spatio-temporal driving mode, each within the same image frame.. . ... Christie Digital Systems Usa Inc








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