ITTO20050379A1 - Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade - Google Patents

Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade

Info

Publication number
ITTO20050379A1
ITTO20050379A1 IT000379A ITTO20050379A ITTO20050379A1 IT TO20050379 A1 ITTO20050379 A1 IT TO20050379A1 IT 000379 A IT000379 A IT 000379A IT TO20050379 A ITTO20050379 A IT TO20050379A IT TO20050379 A1 ITTO20050379 A1 IT TO20050379A1
Authority
IT
Italy
Prior art keywords
videoprojector
lamps
illumination system
illumination
Prior art date
Application number
IT000379A
Other languages
English (en)
Inventor
Giorgio Barazza
Original Assignee
Sim2 Multimedia Spa
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
Application filed by Sim2 Multimedia Spa filed Critical Sim2 Multimedia Spa
Priority to IT000379A priority Critical patent/ITTO20050379A1/it
Priority to TW095116807A priority patent/TW200702888A/zh
Priority to PCT/IB2006/001325 priority patent/WO2006129151A1/en
Publication of ITTO20050379A1 publication Critical patent/ITTO20050379A1/it

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/12Beam splitting or combining systems operating by refraction only
    • G02B27/123The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/095Refractive optical elements
    • G02B27/0972Prisms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/0994Fibers, light pipes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
IT000379A 2005-06-01 2005-06-01 Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade ITTO20050379A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT000379A ITTO20050379A1 (it) 2005-06-01 2005-06-01 Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade
TW095116807A TW200702888A (en) 2005-06-01 2006-05-11 System of illumination for videoprojector using a plurality of lamps
PCT/IB2006/001325 WO2006129151A1 (en) 2005-06-01 2006-05-22 System of illumination for videoprojector using a plurality of lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000379A ITTO20050379A1 (it) 2005-06-01 2005-06-01 Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade

Publications (1)

Publication Number Publication Date
ITTO20050379A1 true ITTO20050379A1 (it) 2006-12-02

Family

ID=36808997

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000379A ITTO20050379A1 (it) 2005-06-01 2005-06-01 Sistema di illuminamento per videoproiettore che utilizza una pluralita' di lampade

Country Status (3)

Country Link
IT (1) ITTO20050379A1 (it)
TW (1) TW200702888A (it)
WO (1) WO2006129151A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102657510B (zh) * 2012-05-04 2014-12-03 中国计量科学研究院 一种产生照度和颜色观察目标的装置
CN102645275B (zh) * 2012-05-04 2014-07-02 中国计量科学研究院 一种产生对比度和色差观察目标的装置
CN103308172B (zh) * 2012-12-26 2015-04-29 中国计量科学研究院 一种测量视觉阈值的装置与方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619284A (en) * 1995-01-17 1997-04-08 Philips Electronics North America Corporation Beam combiner for LCD projector utilizing a penta-prism
JPH11119149A (ja) * 1997-10-17 1999-04-30 Matsushita Electric Ind Co Ltd 液晶プロジェクション装置
WO2004107018A1 (en) * 2003-06-02 2004-12-09 Koninklijke Philips Electronics N.V. Led illumination system
JP4159428B2 (ja) * 2003-08-25 2008-10-01 Necディスプレイソリューションズ株式会社 カラー投写型表示装置

Also Published As

Publication number Publication date
WO2006129151A1 (en) 2006-12-07
TW200702888A (en) 2007-01-16

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