GB1306090A - - Google Patents

Info

Publication number
GB1306090A
GB1306090A GB1488370A GB1488370A GB1306090A GB 1306090 A GB1306090 A GB 1306090A GB 1488370 A GB1488370 A GB 1488370A GB 1488370 A GB1488370 A GB 1488370A GB 1306090 A GB1306090 A GB 1306090A
Authority
GB
United Kingdom
Prior art keywords
plate
arm
arms
wires
springs
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
Application number
GB1488370A
Other languages
English (en)
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 filed Critical
Publication of GB1306090A publication Critical patent/GB1306090A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
GB1488370A 1969-04-07 1970-03-26 Expired GB1306090A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81393669A 1969-04-07 1969-04-07

Publications (1)

Publication Number Publication Date
GB1306090A true GB1306090A (enExample) 1973-02-07

Family

ID=25213804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1488370A Expired GB1306090A (enExample) 1969-04-07 1970-03-26

Country Status (6)

Country Link
US (1) US3610728A (enExample)
JP (1) JPS495256B1 (enExample)
BE (1) BE748612A (enExample)
CH (1) CH520344A (enExample)
FR (1) FR2042975A5 (enExample)
GB (1) GB1306090A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132539U (enExample) * 1974-08-26 1976-03-10

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712708A (en) * 1971-09-09 1973-01-23 J Brown Lenticular projection screen
JPS5134434U (enExample) * 1974-09-04 1976-03-13
JPS5286274U (enExample) * 1975-12-23 1977-06-28
ES2125740B1 (es) * 1993-02-12 1999-11-16 Sony Corp Retroproyector que tiene un bastidor de montaje de pantalla inclinado en angulo
JPH08262566A (ja) * 1994-07-22 1996-10-11 Mitsubishi Electric Corp 投写型表示装置
USD430189S (en) * 1999-03-03 2000-08-29 3M Innovative Properties Company Integrated projection system
USD442205S1 (en) 2000-06-14 2001-05-15 3M Innovative Properties Company Projection wall system
DE20106969U1 (de) * 2001-02-28 2002-04-11 Gabel, Benjamin, 60431 Frankfurt Videokamera und Adapter für eine Videokamera
US7080498B2 (en) * 2004-12-02 2006-07-25 Sunview Marketing International System and method for harvesting grape clusters
JP2006343663A (ja) * 2005-06-10 2006-12-21 Sony Corp 画像投影装置及びこれに用いるスクリーン
US7720368B2 (en) * 2005-07-15 2010-05-18 Redrock Microsystems, Llc System, method and apparatus for enhancing a projected image
JP4605032B2 (ja) * 2006-01-25 2011-01-05 ソニー株式会社 スクリーン及び画像投影装置
JP4193899B2 (ja) * 2006-04-05 2008-12-10 三菱電機株式会社 投写型画像表示装置
JP4961815B2 (ja) * 2006-04-17 2012-06-27 セイコーエプソン株式会社 スクリーン、リアプロジェクタ及び画像表示装置
JPWO2007138880A1 (ja) * 2006-05-26 2009-10-01 パナソニック株式会社 画像表示装置
JP4961842B2 (ja) * 2006-06-06 2012-06-27 セイコーエプソン株式会社 スクリーン、プロジェクタ及び画像表示装置
US7660037B2 (en) 2006-06-06 2010-02-09 Seiko Epson Corporation Screen, projector, and image display device
JP2008020485A (ja) * 2006-07-10 2008-01-31 Sony Corp 画像投影システム及びこれに用いるスクリーン
JP5532535B2 (ja) * 2006-08-28 2014-06-25 セイコーエプソン株式会社 プロジェクタ
US20080192501A1 (en) * 2007-02-12 2008-08-14 Texas Instruments Incorporated System and method for displaying images
JP4969294B2 (ja) * 2007-04-03 2012-07-04 三菱電機株式会社 投写型画像表示装置
JP4467598B2 (ja) * 2007-04-12 2010-05-26 三菱電機株式会社 投写型画像表示装置
US9964844B2 (en) 2013-05-09 2018-05-08 Imax Corporation Methods and systems of vibrating a screen
JP2017507347A (ja) 2014-01-03 2017-03-16 ドルビー ラボラトリーズ ライセンシング コーポレイション 可動自在に結合されたスクリーンアクチュエータ
US10691006B2 (en) 2014-12-09 2020-06-23 Imax Theatres International Limited Methods and systems of vibrating a screen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125927A (en) * 1964-03-24 Projection screen
GB592815A (en) * 1945-05-25 1947-09-30 Taylor Taylor & Hobson Ltd Improvements in or relating to translucent diffusion screens
US2326042A (en) * 1939-09-11 1943-08-03 Stephen Junkunc Jr Projector and viewing screen
US2525596A (en) * 1949-01-21 1950-10-10 Jones & Lamson Mach Co Optical projection screen
US2689387A (en) * 1949-11-28 1954-09-21 William P Carr Blind
US2780136A (en) * 1952-03-10 1957-02-05 Richard T Erban Kinoptic devices
US2837008A (en) * 1952-03-10 1958-06-03 Richard T Erban Kinoptic devices
CH381886A (it) * 1961-03-22 1964-09-15 Omi Ottico Mecc Italiana Dispositivo per osservare per trasparenza proiezioni di immagini fottografiche, particolarmente adatto per applicazioni fotogrammetriche
US3473862A (en) * 1967-03-06 1969-10-21 Singer General Precision Optical screen orbital movement system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132539U (enExample) * 1974-08-26 1976-03-10

Also Published As

Publication number Publication date
BE748612A (fr) 1970-09-16
CH520344A (fr) 1972-03-15
JPS495256B1 (enExample) 1974-02-06
FR2042975A5 (enExample) 1971-02-12
US3610728A (en) 1971-10-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee