公开(公告)号：US20240295802A1

公开(公告)日：2024-09-05

申请号：US18176553

申请日：2023-03-01

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Dinesh BHATIA ,  Scott SARRE ,  Sidi El Becaye MAIGA

IPC: G03B21/16 ,  F28D15/02 ,  G02B26/00

CPC classification number: G03B21/16 ,  F28D15/0266 ,  F28D15/0275 ,  G02B26/008

Abstract: A system is provided for cooling a laser phosphor wheel, comprising a conduit surrounding the laser phosphor wheel and oriented to direct a flow of air tangential to rotation of the laser phosphor wheel for absorbing heat therefrom, and at least one heat pipe assembly passing through the conduit for extracting and dissipating heat absorbed by the flow of air.

公开(公告)号：US20230319246A1

公开(公告)日：2023-10-05

申请号：US18206219

申请日：2023-06-06

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Matthew Post ,  Peter Anthony Van Eerd

IPC: H04N9/31 ,  H04N1/60 ,  H04N1/00

CPC classification number: H04N9/3194 ,  H04N1/6033 ,  H04N1/00087 ,  G09G3/006

Abstract: A method of calibrating a display system, the method comprising: displaying a test pattern including a plurality of blobs; detecting one or more base blobs in the displayed test pattern; identifying, based on the detected base blobs, patches of the test pattern, wherein each patch comprises one of the base blobs and a subset of additional blobs detected in the displayed test pattern; determining a patch location for at least one patch within the test pattern based on the subset of the additional blobs in the patch to determine a blob location for at least one detected blob; determining a calibration parameter for the display system based on the blob location and a detected attribute of the at least one detected blob; and calibrating the projector using the calibration parameter.

公开(公告)号：US11714275B1

公开(公告)日：2023-08-01

申请号：US17994138

申请日：2022-11-25

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Michael Perkins ,  Mang Li ,  Abdul Waheed Salimi

IPC: G02B26/00 ,  G03B21/16 ,  G03B21/20

CPC classification number: G02B26/008 ,  G03B21/16 ,  G03B21/204 ,  G03B21/2066

Abstract: A dual phosphor wheel projection system is provided. A first dichroic mirror directs blue light from a first blue laser to a second dichroic mirror which directs the blue light to at least one integrator. The first dichroic mirror directs blue light from a second blue laser to a first phosphor/phosphor wheel, which converts the blue light to longer wavelengths that includes red light. The second dichroic mirror directs the red light to the integrator and transmit others of the longer wavelengths. The integrator combines the red light with red light from a red laser. A third dichroic mirror directs the red light from the red laser to the integrator and directs blue light from a third blue laser to a second phosphor/phosphor wheel, which converts the blue light to respective longer wavelengths that includes green light. The third dichroic mirror transmits the green light to the integrator.

公开(公告)号：US11711500B1

公开(公告)日：2023-07-25

申请号：US17589122

申请日：2022-01-31

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Matthew Post ,  Peter Anthony Van Eerd

IPC: H04N17/02 ,  H04N17/00 ,  G09G3/00 ,  H04N1/60 ,  H04N1/00 ,  H04N9/31

CPC classification number: H04N9/3194 ,  H04N1/00087 ,  H04N1/6033 ,  G09G3/006 ,  H04N17/00 ,  H04N17/002 ,  H04N17/02

Abstract: A method of calibrating a display system, the method comprising: displaying a test pattern including a plurality of blobs; detecting one or more base blobs in the displayed test pattern; identifying, based on the detected base blobs, patches of the test pattern, wherein each patch comprises one of the base blobs and a subset of additional blobs detected in the displayed test pattern; determining a patch location for at least one patch within the test pattern based on the subset of the additional blobs in the patch to determine a blob location for at least one detected blob; determining a calibration parameter for the display system based on the blob location and a detected attribute of the at least one detected blob; and calibrating the projector using the calibration parameter.

公开(公告)号：US11405684B1

公开(公告)日：2022-08-02

申请号：US17144539

申请日：2021-01-08

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Brian Claypool ,  Kevin Draper ,  John Hudson

IPC: H04N7/16 ,  H04N21/4385 ,  H04N9/31 ,  H04L9/40 ,  H04N21/8358 ,  H04N21/436

Abstract: Devices, systems and methods for distribution of digital content are set forth, wherein a distributed media player is provided comprising a
a central playout server having a multiplexed media processing block within a tamper-responsive enclosure, the central playout server having a first input for receiving at least one decryption key and a second input for receiving media data from a content provider in response to which the multiplexed media processing block decrypts the media data using the at least one decryption key and transmits the decrypted media data over a local network to a plurality of devices as an encrypted data stream.

公开(公告)号：US20220224974A1

公开(公告)日：2022-07-14

申请号：US17144539

申请日：2021-01-08

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Brian CLAYPOOL ,  Kevin DRAPER ,  John HUDSON

IPC: H04N21/4385 ,  H04N9/31 ,  H04N21/436 ,  H04N21/8358 ,  H04L29/06

Abstract: Devices, systems and methods for distribution of digital content are set forth, wherein a distributed media player is provided comprising a
a central playout server having a multiplexed media processing block within a tamper-responsive enclosure, the central playout server having a first input for receiving at least one decryption key and a second input for receiving media data from a content provider in response to which the multiplexed media processing block decrypts the media data using the at least one decryption key and transmits the decrypted media data over a local network to a plurality of devices as an encrypted data stream.

公开(公告)号：US20220078382A1

公开(公告)日：2022-03-10

申请号：US17015427

申请日：2020-09-09

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Chad FARAGHER

IPC: H04N9/31 ,  G03B21/14 ,  G06T7/80 ,  G06K9/46

Abstract: A method and apparatus are provided for calibrating projector alignment using detected image features projected onto a surface, the apparatus comprising a first processor detects features in a single frame of video and a second processor detects features in the corresponding projected image detected by a camera. The second processor matches features of interest in the selected video frame and captured image to correct the projector alignment. The images may be compared using blob detection or corner detection. Unlike prior art ‘off-line’ calibration methods, video frames can be processed continuously (e.g. every frame) or intermittently (e.g. every 10th frame) without interrupting the display of video content.

公开(公告)号：US20210409665A1

公开(公告)日：2021-12-30

申请号：US16916818

申请日：2020-06-30

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Chad FARAGHER ,  Randy SPRUYT

IPC: H04N9/31

Abstract: A device, system and method for generating a mapping of projector pixels to camera pixels and/or object positions using alternating patterns is provided. A device controls a projector to project, while a camera acquires frames thereof, in a sequence: alternating patterns; and structured light patterns, the alternating patterns comprising first and second predetermined patterns projected before and/or after the structured light patterns. The device determines, using the frames as coordinated with the alternating patterns, one or more functions relating respective indices of the alternating patterns and the frames, on one or more of a camera pixel-by-pixel basis and a camera scan-line-by-scan-line basis. The device generates, and stores at a memory, a mapping of projector pixels to one or more of camera pixels and positions on an object in the overlapping fields-of-view, based on relating the frames with the structured light patterns using the one or more functions.

公开(公告)号：US11187892B2

公开(公告)日：2021-11-30

申请号：US16512768

申请日：2019-07-16

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Guo Qing He

IPC: G03B21/14 ,  G02B7/00 ,  G02B26/12 ,  G02B26/10 ,  H04N9/31 ,  G02F1/16753 ,  G03B21/20

Abstract: A wedge mechanism for light modulator image adjustment is provided. In particular, a device is provided comprising: a first plate; a second plate for receiving a light modulator; one or more biasing mechanisms to bias the second plate in a biased position relative to the first plate, to allow the second plate to move with respect to the first plate; first and second wedge devices configured respectively interact with a first and second edges of the second plate to move the second plate, relative to the first plate, against the one or more biasing mechanisms, the second edge of the second plate being about perpendicular to the first edge of the second plate; and first and second wedge device adjustment mechanisms configured to respectively adjust positions of the first and second wedges device relative to the first and second edges, to move the second plate.

公开(公告)号：US20200310622A1

公开(公告)日：2020-10-01

申请号：US16367655

申请日：2019-03-28

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Chad FARAGHER

IPC: G06F3/0481 ,  G06F3/0484 ,  G06T19/20

Abstract: An example non-transitory machine-readable storage medium includes instructions to generate an orthographic projection of an object in a scene. When executed, the instructions cause a processor of a computing device to render a scene viewable through an editing viewport, the scene containing a three-dimensional object. The instructions further cause the processor to render an orthographic projection of the three-dimensional object onto an orthographic projection plane, the orthographic projection being viewable through the editing viewport. The instructions further cause the processor to receive an input of a manipulation of the three-dimensional object and update the orthographic projection to reflect the input.