DE69709562D1 - Zweistufiges Projektionssystem - Google Patents

Zweistufiges Projektionssystem

Info

Publication number
DE69709562D1
DE69709562D1 DE69709562T DE69709562T DE69709562D1 DE 69709562 D1 DE69709562 D1 DE 69709562D1 DE 69709562 T DE69709562 T DE 69709562T DE 69709562 T DE69709562 T DE 69709562T DE 69709562 D1 DE69709562 D1 DE 69709562D1
Authority
DE
Germany
Prior art keywords
projection system
stage projection
stage
projection
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.)
Expired - Fee Related
Application number
DE69709562T
Other languages
English (en)
Other versions
DE69709562T2 (de
Inventor
Chungte W Chen
David A Ansley
James D Zimmerman
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of DE69709562D1 publication Critical patent/DE69709562D1/de
Application granted granted Critical
Publication of DE69709562T2 publication Critical patent/DE69709562T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE69709562T 1996-03-28 1997-03-19 Zweistufiges Projektionssystem Expired - Fee Related DE69709562T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/623,493 US5677788A (en) 1996-03-28 1996-03-28 Two-stage projection system

Publications (2)

Publication Number Publication Date
DE69709562D1 true DE69709562D1 (de) 2002-02-21
DE69709562T2 DE69709562T2 (de) 2002-08-22

Family

ID=24498283

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709562T Expired - Fee Related DE69709562T2 (de) 1996-03-28 1997-03-19 Zweistufiges Projektionssystem

Country Status (5)

Country Link
US (1) US5677788A (de)
EP (1) EP0798935B1 (de)
JP (1) JP2818591B2 (de)
CA (1) CA2198961C (de)
DE (1) DE69709562T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6346950B1 (en) 1999-05-20 2002-02-12 Compaq Computer Corporation System and method for display images using anamorphic video
US6292713B1 (en) 1999-05-20 2001-09-18 Compaq Computer Corporation Robotic telepresence system
US6781606B2 (en) 1999-05-20 2004-08-24 Hewlett-Packard Development Company, L.P. System and method for displaying images using foveal video
EP1075150A3 (de) * 1999-07-31 2005-04-27 Lg Electronics Inc. Projektionslinsensystem
TW436662B (en) 1999-08-04 2001-05-28 Sanyo Electric Co Rear projection display device
KR100440958B1 (ko) * 2001-10-12 2004-07-21 삼성전자주식회사 조명계 및 이를 채용한 프로젝터
KR100440959B1 (ko) * 2001-11-08 2004-07-21 삼성전자주식회사 조명계 및 이를 채용한 프로젝션 시스템
US6692129B2 (en) * 2001-11-30 2004-02-17 Silicon Light Machines Display apparatus including RGB color combiner and 1D light valve relay including schlieren filter
US7209285B1 (en) * 2003-09-11 2007-04-24 Lockheed Martin Corporation Common axis three mirror anastigmatic optic
US7175289B2 (en) * 2004-09-15 2007-02-13 Hewlett-Packard Development Company, L.P. Optical relay
US9232172B2 (en) 2013-11-04 2016-01-05 Christie Digital Systems Usa, Inc. Two-stage light modulation for high dynamic range
US9195122B2 (en) 2013-11-28 2015-11-24 Christie Digital Systems Usa, Inc. Light modulator system including relay optics for correcting optical distortions
US10767984B2 (en) * 2018-02-05 2020-09-08 Inuitive Ltd. Method for assembling a projecting apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1297139A (de) * 1969-07-03 1972-11-22
US4687301A (en) * 1985-07-12 1987-08-18 Hughes Aircraft Company Full-color projector system with a tricolor-separating prism
US4842374A (en) * 1987-07-27 1989-06-27 Hughes Aircraft Company Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
GB2214656B (en) * 1987-11-27 1991-08-21 Marconi Gec Ltd Optical systems
JPH01286690A (ja) * 1988-01-08 1989-11-17 Seiko Epson Corp 投写型カラー表示装置
US5257133A (en) * 1991-09-11 1993-10-26 Hughes Aircraft Company Re-imaging optical system employing refractive and diffractive optical elements
US5467154A (en) * 1992-02-20 1995-11-14 Kopin Corporation Projection monitor
JP3329887B2 (ja) * 1992-06-17 2002-09-30 ゼロックス・コーポレーション ２光路液晶ライトバルブカラー表示装置

Also Published As

Publication number Publication date
JPH1048568A (ja) 1998-02-20
EP0798935A3 (de) 1998-01-07
US5677788A (en) 1997-10-14
JP2818591B2 (ja) 1998-10-30
EP0798935B1 (de) 2002-01-16
CA2198961A1 (en) 1997-09-28
DE69709562T2 (de) 2002-08-22
EP0798935A2 (de) 1997-10-01
CA2198961C (en) 2006-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee