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Joseph MA
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Waterloo, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for reducing coherence of a laser beam
Patent number
10,481,408
Issue date
Nov 19, 2019
CHRISTIE DIGITAL SYSTEMS (USA), INC.
Daniel Robert Adema
G02 - OPTICS
Information
Patent Grant
Apparatus for wavelength conversion
Patent number
10,215,367
Issue date
Feb 26, 2019
Christie Digital Systems USA, Inc.
Daniel Robert Adema
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Forward-on-forward high dynamic range architecture for digital micr...
Patent number
9,983,402
Issue date
May 29, 2018
Christie Digital Systems USA, Inc.
John David Jackson
G02 - OPTICS
Information
Patent Grant
Dual light source enhanced integration system
Patent number
9,810,891
Issue date
Nov 7, 2017
Christie Digital Systems USA, Inc.
Daniel Robert Adema
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Rotationally static light emitting material with rotating optics
Patent number
9,494,849
Issue date
Nov 15, 2016
Christie Digital Systems USA, Inc.
Daniel Robert Adema
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Rotationally static light emitting material with rotating optics
Patent number
9,389,492
Issue date
Jul 12, 2016
Christie Digital Systems USA, Inc.
Daniel Robert Adema
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hybrid high pressure mercury arc lamp-laser light production system
Patent number
8,545,029
Issue date
Oct 1, 2013
Christie Digital Systems USA, Inc.
Joseph Ma
G02 - OPTICS
Information
Patent Grant
Light integrator for more than one lamp
Patent number
8,011,810
Issue date
Sep 6, 2011
Christie Digital Systems USA, Inc.
Joseph Ma
G02 - OPTICS
Information
Patent Grant
Optical device for adjusting the F-number of an elliptical lamp
Patent number
7,712,924
Issue date
May 11, 2010
Christie Digital Systems USA, Inc.
Joseph Ma
F21 - LIGHTING
Information
Patent Grant
Triangular prism dual lamp coupler
Patent number
7,252,393
Issue date
Aug 7, 2007
Christie Digital Systems Inc.
Joseph Ma
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS FOR WAVELENGTH CONVERSION
Publication number
20180128452
Publication date
May 10, 2018
CHRISTIE DIGITAL SYSTEMS USA, INC.
Daniel Robert ADEMA
G02 - OPTICS
Information
Patent Application
APPARATUS FOR WAVELENGTH CONVERSION
Publication number
20180128451
Publication date
May 10, 2018
CHRISTIE DIGITAL SYSTEMS USA, INC.
Daniel Robert ADEMA
G02 - OPTICS
Information
Patent Application
APPARATUS FOR REDUCING COHERENCE OF A LASER BEAM
Publication number
20180095291
Publication date
Apr 5, 2018
CHRISTIE DIGITAL SYSTEMS USA, INC.
Daniel Robert ADEMA
G02 - OPTICS
Information
Patent Application
DUAL LIGHT SOURCE ENHANCED INTEGRATION SYSTEM
Publication number
20160306150
Publication date
Oct 20, 2016
CHRISTIE DIGITAL SYSTEMS USA, INC.
Daniel Robert ADEMA
G02 - OPTICS
Information
Patent Application
ROTATIONALLY STATIC LIGHT EMITTING MATERIAL WITH ROTATING OPTICS
Publication number
20160026074
Publication date
Jan 28, 2016
CHRISTIE DIGITAL SYSTEMS USA, INC.
Daniel Robert ADEMA
G02 - OPTICS
Information
Patent Application
ROTATIONALLY STATIC LIGHT EMITTING MATERIAL WITH ROTATING OPTICS
Publication number
20160025307
Publication date
Jan 28, 2016
CHRISTIE DIGITAL SYSTEMS USA.
Daniel Robert ADEMA
F21 - LIGHTING
Information
Patent Application
HYBRID HIGH PRESSURE MERCURY ARC LAMP-LASER LIGHT PRODUCTION SYSTEM
Publication number
20120274908
Publication date
Nov 1, 2012
CHRISTIE DIGITAL SYSTEMS USA, INC.
Joseph MA
G02 - OPTICS
Information
Patent Application
LIGHT INTEGRATOR FOR MORE THAN ONE LAMP
Publication number
20090168448
Publication date
Jul 2, 2009
CHRISTIE DIGITAL SYSTEMS USA, INC.
Joseph MA
G02 - OPTICS
Information
Patent Application
Reflective iris
Publication number
20090002998
Publication date
Jan 1, 2009
Christie Digital Systems Canada, Inc.
Joseph Ma
G02 - OPTICS