GB0814377D0 - Image projection apparatus and method - Google Patents

Image projection apparatus and method

Info

Publication number
GB0814377D0
GB0814377D0 GB0814377A GB0814377A GB0814377D0 GB 0814377 D0 GB0814377 D0 GB 0814377D0 GB 0814377 A GB0814377 A GB 0814377A GB 0814377 A GB0814377 A GB 0814377A GB 0814377 D0 GB0814377 D0 GB 0814377D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
method
projection apparatus
image projection
image
apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0814377A
Other versions
GB2462444A (en )
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OPTYKA Ltd
Original Assignee
OPTYKA Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/48Laser speckle optics; Speckle reduction arrangements
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/208Homogenising, shaping of the illumination light
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/315Modulator illumination systems
    • H04N9/3152Modulator illumination systems for shaping the light beam
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/315Modulator illumination systems
    • H04N9/3161Modulator illumination systems using laser light sources
GB0814377A 2008-08-06 2008-08-06 Image projection apparatus and method Withdrawn GB0814377D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0814377A GB0814377D0 (en) 2008-08-06 2008-08-06 Image projection apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0814377A GB0814377D0 (en) 2008-08-06 2008-08-06 Image projection apparatus and method
PCT/EP2009/058635 WO2010015478A1 (en) 2008-08-06 2009-07-07 Image projection apparatus and method

Publications (2)

Publication Number Publication Date
GB0814377D0 true GB0814377D0 (en) 2008-09-10
GB2462444A true GB2462444A (en) 2010-02-10

Family

ID=39767601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0814377A Withdrawn GB0814377D0 (en) 2008-08-06 2008-08-06 Image projection apparatus and method

Country Status (2)

Country Link
GB (1) GB0814377D0 (en)
WO (1) WO2010015478A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467181B (en) * 2009-01-27 2014-03-05 Optyka Ltd Speckle removal for a laser scanning projector
CN102053383B (en) * 2011-01-29 2012-09-26 中北大学 Speckle eliminating device based on Mie scatter and perturbation drive
CN103092049A (en) * 2013-01-16 2013-05-08 北京工业大学 All-solid digital holography imaging system capable of reducing speckle noise
CN105759442A (en) * 2016-03-31 2016-07-13 许江珂 Laser display screen speckle noise canceller and display
CN105739116A (en) * 2016-05-03 2016-07-06 许江珂 Laser display light source without laser speckle

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490827A (en) * 1967-10-19 1970-01-20 American Optical Corp Method and apparatus for speckle reduction in the reconstruction of holographic images
US3588217A (en) * 1969-06-17 1971-06-28 Ibm Coherent optical noise suppression apparatus
US4035068A (en) * 1975-06-25 1977-07-12 Xerox Corporation Speckle minimization in projection displays by reducing spatial coherence of the image light
US4011403A (en) * 1976-03-30 1977-03-08 Northwestern University Fiber optic laser illuminators
US4155630A (en) * 1977-11-17 1979-05-22 University Of Delaware Speckle elimination by random spatial phase modulation
US5272473A (en) * 1989-02-27 1993-12-21 Texas Instruments Incorporated Reduced-speckle display system
US5224200A (en) * 1991-11-27 1993-06-29 The United States Of America As Represented By The Department Of Energy Coherence delay augmented laser beam homogenizer
US5313479A (en) * 1992-07-29 1994-05-17 Texas Instruments Incorporated Speckle-free display system using coherent light
WO2000062114A1 (en) * 1999-04-12 2000-10-19 Deutsche Telekom Ag Method and device for reducing the formation of speckle on a projection screen
US20020126479A1 (en) * 2001-03-08 2002-09-12 Ball Semiconductor, Inc. High power incoherent light source with laser array
DE50107903D1 (en) * 2001-05-25 2005-12-08 Eads Deutschland Gmbh A method and device for eliminating stationary image disorders in image projections with temporally or spatially coherent light, as well as system for image projection
US6594090B2 (en) * 2001-08-27 2003-07-15 Eastman Kodak Company Laser projection display system
US7244032B2 (en) * 2003-05-28 2007-07-17 Fujinon Corporation Projector
EP1975680A1 (en) * 2007-03-31 2008-10-01 Sony Deutschland Gmbh Illumination device and method for illuminating uniformly an image generating micro display
US8059928B2 (en) * 2007-12-26 2011-11-15 Christie Digital Systems Usa, Inc. Decohered laser light production system

Also Published As

Publication number Publication date Type
WO2010015478A1 (en) 2010-02-11 application
GB2462444A (en) 2010-02-10 application

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)