EP1789844A4 - Screen assembly - Google Patents

Screen assembly

Info

Publication number
EP1789844A4
EP1789844A4 EP05775190A EP05775190A EP1789844A4 EP 1789844 A4 EP1789844 A4 EP 1789844A4 EP 05775190 A EP05775190 A EP 05775190A EP 05775190 A EP05775190 A EP 05775190A EP 1789844 A4 EP1789844 A4 EP 1789844A4
Authority
EP
European Patent Office
Prior art keywords
screen assembly
screen
assembly
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Withdrawn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
EP05775190A
Other languages
German (de)
French (fr)
Other versions
EP1789844A1 (en
Inventor
Paul Clubbe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1789844A1 publication Critical patent/EP1789844A1/en
Publication of EP1789844A4 publication Critical patent/EP1789844A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • 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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/061—Scissors arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/08—Foot or support base

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
EP05775190A 2004-09-17 2005-08-12 Screen assembly Withdrawn EP1789844A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/942,991 US20060080918A1 (en) 2004-09-17 2004-09-17 Screen assembly
PCT/CA2005/001246 WO2006029500A1 (en) 2004-09-17 2005-08-12 Screen assembly

Publications (2)

Publication Number Publication Date
EP1789844A1 EP1789844A1 (en) 2007-05-30
EP1789844A4 true EP1789844A4 (en) 2009-01-21

Family

ID=36059659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05775190A Withdrawn EP1789844A4 (en) 2004-09-17 2005-08-12 Screen assembly

Country Status (8)

Country Link
US (1) US20060080918A1 (en)
EP (1) EP1789844A4 (en)
JP (1) JP2008513814A (en)
KR (1) KR100792526B1 (en)
CN (1) CN101048698A (en)
AU (1) AU2005284621A1 (en)
CA (1) CA2579792A1 (en)
WO (1) WO2006029500A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080158669A1 (en) * 2006-12-29 2008-07-03 3M Innovative Properties Company Projection screen apparatus for use with portable digital projectors
CN201434962Y (en) * 2008-05-02 2010-03-31 泉株式会社 Movable type projecting screen device
CN201464790U (en) * 2009-07-24 2010-05-12 广州美视晶莹银幕有限公司 Portable self-supporting type manual lifting screen
US20110119976A1 (en) * 2009-11-23 2011-05-26 Jorge Garcia Adjustable display board system
CN102243429A (en) * 2011-06-16 2011-11-16 中国科学院福建物质结构研究所 Portable screen of micro projector
US8887461B2 (en) * 2013-02-19 2014-11-18 Ctb Midwest, Inc. Structural tube
CN103838070A (en) * 2014-02-13 2014-06-04 江苏红叶视听器材股份有限公司 Projection screen board
US9877002B2 (en) * 2015-10-02 2018-01-23 Samsung Electronics Co., Ltd. Reconfigurable mobile device
CN105372921A (en) * 2015-12-15 2016-03-02 重庆触视科技有限公司 Portable projection screen
CN105842975B (en) * 2016-06-02 2017-12-08 潘爱松 A kind of vertical projection screen
KR102492731B1 (en) * 2016-06-09 2023-01-27 삼성디스플레이 주식회사 Rollable display device
US10403184B2 (en) 2016-12-22 2019-09-03 Waldemar Veazie, IV Freestanding exhibit display
CN107463061B (en) * 2017-09-13 2019-08-30 广州励丰文化科技股份有限公司 A kind of city roof screen system
CN110107950A (en) * 2019-06-05 2019-08-09 珠海格力电器股份有限公司 Foot stand component and device with same
IT202000014365A1 (en) * 2020-06-16 2021-12-16 Nova Ferr S R L Device for separating a volume of space
CN111812935B (en) * 2020-08-05 2021-11-12 深圳市微盛特电子有限公司 Novel three-dimensional holographic projector display equipment
USD978226S1 (en) * 2020-11-10 2023-02-14 Emart International Inc Collapsible screen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1915944A (en) * 1931-04-16 1933-06-27 Robert Forgie Hunter Projection screen
DE1754683U (en) * 1957-05-11 1957-10-24 Zeiss Ikon Ag SCREEN, IN PARTICULAR FOR WIDE-WALL PROJECTION.
DE1447234A1 (en) * 1964-02-21 1968-11-28 Mechanische Weberei Gmbh Transportable projection screen
EP0901038A2 (en) * 1997-09-05 1999-03-10 Izumi-Cosmo Co., Ltd. Portable projection screen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688010A (en) * 1926-10-11 1928-10-16 Carlyle E Godske Awning construction
US2395303A (en) * 1942-12-02 1946-02-19 Stableford John Leslie Roll-up screen
JPS5227042Y2 (en) * 1974-07-03 1977-06-20
JPH0381027U (en) * 1989-12-05 1991-08-20
SE9002448L (en) * 1990-07-17 1992-01-18 Ata Byy Markprod Ab MARKING AND INFORMATION BOARD DEVICE
JPH05165104A (en) * 1991-12-13 1993-06-29 Victor Co Of Japan Ltd Motor-driven screen device
US5706130A (en) * 1995-10-30 1998-01-06 Rosen; John B. Support assembly for a retractable device
JP3411515B2 (en) * 1998-08-20 2003-06-03 泉株式会社 Portable screen
US6191886B1 (en) * 1998-08-24 2001-02-20 Vutec Corp. Video projection screen assembly
JP4141864B2 (en) * 2002-05-23 2008-08-27 株式会社オーエス Free-standing manual lifting screen
JP2004246162A (en) * 2003-02-14 2004-09-02 Os Kogyo Kk Arrangement mechanism for self-standing screen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1915944A (en) * 1931-04-16 1933-06-27 Robert Forgie Hunter Projection screen
DE1754683U (en) * 1957-05-11 1957-10-24 Zeiss Ikon Ag SCREEN, IN PARTICULAR FOR WIDE-WALL PROJECTION.
DE1447234A1 (en) * 1964-02-21 1968-11-28 Mechanische Weberei Gmbh Transportable projection screen
EP0901038A2 (en) * 1997-09-05 1999-03-10 Izumi-Cosmo Co., Ltd. Portable projection screen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006029500A1 *

Also Published As

Publication number Publication date
WO2006029500A1 (en) 2006-03-23
KR20060053875A (en) 2006-05-22
AU2005284621A1 (en) 2006-03-23
CN101048698A (en) 2007-10-03
KR100792526B1 (en) 2008-01-09
JP2008513814A (en) 2008-05-01
US20060080918A1 (en) 2006-04-20
EP1789844A1 (en) 2007-05-30
CA2579792A1 (en) 2006-03-23

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