[go: up one dir, main page]

GB9404992D0 - Projection system - Google Patents

Projection system

Info

Publication number
GB9404992D0
GB9404992D0 GB9404992A GB9404992A GB9404992D0 GB 9404992 D0 GB9404992 D0 GB 9404992D0 GB 9404992 A GB9404992 A GB 9404992A GB 9404992 A GB9404992 A GB 9404992A GB 9404992 D0 GB9404992 D0 GB 9404992D0
Authority
GB
United Kingdom
Prior art keywords
projection system
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.)
Granted
Application number
GB9404992A
Other versions
GB2287554A (en
GB2287554B (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.)
RICHMOND HOLOGRAPHIC RES
Original Assignee
RICHMOND HOLOGRAPHIC RES
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 RICHMOND HOLOGRAPHIC RES filed Critical RICHMOND HOLOGRAPHIC RES
Priority to GB9404992A priority Critical patent/GB2287554B/en
Publication of GB9404992D0 publication Critical patent/GB9404992D0/en
Publication of GB2287554A publication Critical patent/GB2287554A/en
Application granted granted Critical
Publication of GB2287554B publication Critical patent/GB2287554B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0252—Diffusing elements; Afocal elements characterised by the diffusing properties using holographic or diffractive means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/363—Image reproducers using image projection screens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/324—Colour aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/346—Image reproducers using prisms or semi-transparent mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB9404992A 1994-03-15 1994-03-15 Screen for projection system Expired - Fee Related GB2287554B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9404992A GB2287554B (en) 1994-03-15 1994-03-15 Screen for projection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9404992A GB2287554B (en) 1994-03-15 1994-03-15 Screen for projection system

Publications (3)

Publication Number Publication Date
GB9404992D0 true GB9404992D0 (en) 1994-04-27
GB2287554A GB2287554A (en) 1995-09-20
GB2287554B GB2287554B (en) 1997-11-26

Family

ID=10751850

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9404992A Expired - Fee Related GB2287554B (en) 1994-03-15 1994-03-15 Screen for projection system

Country Status (1)

Country Link
GB (1) GB2287554B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1084885C (en) * 1994-09-06 2002-05-15 皇家菲利浦电子有限公司 Rear projection screen
JP3885142B2 (en) * 1995-09-15 2007-02-21 リッチモンド ホログラフィック リサーチ アンド ディベロップメント リミテッド Projection device
DE19700162B4 (en) * 1997-01-07 2006-09-07 Eads Deutschland Gmbh Method for producing a holographic screen for laser projection
DE19703592A1 (en) * 1997-01-31 1998-08-06 Daimler Benz Ag Laser rear projection screen
US5796499A (en) * 1997-02-28 1998-08-18 Polaroid Corporation Transmission holographic diffuser made and used to effect lateral color constancy in rear screen projection display systems
AU3759099A (en) * 1998-04-24 1999-11-16 Digital Optics Corporation Diffusing imager and associated methods
DE19825192A1 (en) * 1998-06-05 1999-12-16 Joerg Gutjahr Projection screen
DE10135450A1 (en) * 2001-07-20 2003-02-06 I L B Inst Fuer Licht Und Baut projection system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586780A (en) * 1982-07-30 1986-05-06 Hughes Aircraft Company Directional diffusing screen with suppressed zero-order light
US4610499A (en) * 1984-11-01 1986-09-09 The United States Of America As Represented By The Secretary Of The Air Force Diffraction diffusion screen with holographically suppressed zero-order beam
US4960314A (en) * 1988-07-05 1990-10-02 Hughes Aircraft Company Diffraction optics diffusing screen laminate for full color on-axis viewing

Also Published As

Publication number Publication date
GB2287554A (en) 1995-09-20
GB2287554B (en) 1997-11-26

Similar Documents

Publication Publication Date Title
GB9425278D0 (en) Telcommunications system
GB2289531B (en) Air-shower system
EP0727906A4 (en) Still picture system
GB9608770D0 (en) Projection display system
GB9413398D0 (en) Deformable system
GB9511675D0 (en) Effect adding system
HUT76500A (en) Optical projection system
EP0730368A4 (en) Still image system
IL113796A0 (en) Projector
GB2288034B (en) Projection optical system
GB9404992D0 (en) Projection system
GB2288474B (en) Video projection system
GB2290141B (en) Fuel-gauging systems
GB2290100B (en) Shutter system
GB9400278D0 (en) Mini-loop system
GB9421598D0 (en) Video projection system
IL109710A0 (en) Projection system
IL110145A0 (en) Comparison system
GB9517671D0 (en) Application shari8ng system
GB9509613D0 (en) Projection system
GB9509526D0 (en) Projection system
IL111298A0 (en) Anti-suffocation system
GB9425794D0 (en) Seledetect system
GB9416138D0 (en) Filter-spin system
GB9400224D0 (en) System

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050315

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120315