WO1999056172A3 - A variable size projection screen apparatus - Google Patents

A variable size projection screen apparatus Download PDF

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Publication number
WO1999056172A3
WO1999056172A3 PCT/IB1999/000662 IB9900662W WO9956172A3 WO 1999056172 A3 WO1999056172 A3 WO 1999056172A3 IB 9900662 W IB9900662 W IB 9900662W WO 9956172 A3 WO9956172 A3 WO 9956172A3
Authority
WO
WIPO (PCT)
Prior art keywords
variable size
screen
projection screen
screen apparatus
size projection
Prior art date
Application number
PCT/IB1999/000662
Other languages
French (fr)
Other versions
WO1999056172A2 (en
WO1999056172A8 (en
Inventor
Anthonie H Bergman
Original Assignee
Koninkl Philips Electronics Nv
Philips Svenska Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8233657&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1999056172(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv, Philips Svenska Ab filed Critical Koninkl Philips Electronics Nv
Priority to JP55387699A priority Critical patent/JP2002506539A/en
Priority to EP99911974A priority patent/EP0993623A2/en
Publication of WO1999056172A2 publication Critical patent/WO1999056172A2/en
Publication of WO1999056172A8 publication Critical patent/WO1999056172A8/en
Publication of WO1999056172A3 publication Critical patent/WO1999056172A3/en

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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)

Abstract

A variable size projection screen apparatus comprises image projection means with image feed means and beam generation means, and a screen for imaging the beam. The screen image can be resized in at least two distinctly different sizes. In particular, the screen proper is physically resizable in a lateral direction on at least two distinct levels.
PCT/IB1999/000662 1998-04-29 1999-04-15 A variable size projection screen apparatus WO1999056172A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55387699A JP2002506539A (en) 1998-04-29 1999-04-15 Variable size projection screen device having a projection screen that can be physically resized laterally at at least two different levels, and a screen device for use in such a device
EP99911974A EP0993623A2 (en) 1998-04-29 1999-04-15 A variable size projection screen apparatus with a projection screen that is physically resizable in a lateral direction on at least two distinct levels, and a screen arrangement for use in such apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98201387 1998-04-29
EP98201387.2 1998-04-29

Publications (3)

Publication Number Publication Date
WO1999056172A2 WO1999056172A2 (en) 1999-11-04
WO1999056172A8 WO1999056172A8 (en) 1999-12-02
WO1999056172A3 true WO1999056172A3 (en) 2000-01-13

Family

ID=8233657

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1999/000662 WO1999056172A2 (en) 1998-04-29 1999-04-15 A variable size projection screen apparatus

Country Status (4)

Country Link
US (1) US6507435B1 (en)
EP (1) EP0993623A2 (en)
JP (1) JP2002506539A (en)
WO (1) WO1999056172A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839168B2 (en) * 2002-06-21 2005-01-04 Seiko Epson Corporation Screen
US6922284B1 (en) * 2004-01-26 2005-07-26 Alpha Hou Method for automatically controlling the length of projection screen and multi-purpose apparatus thereof
CN2849795Y (en) * 2005-11-09 2006-12-20 鸿富锦精密工业（深圳）有限公司 Projection type electronic display
US7619814B2 (en) * 2006-02-14 2009-11-17 Seiko Epson Corporation Portable projection screen assembly
US7612938B2 (en) * 2006-02-14 2009-11-03 Seiko Epson Corporation Portable projection screen assembly
US7623290B2 (en) * 2006-02-14 2009-11-24 Seiko Epson Corporation Portable screen assemblies for projectors
US20070229947A1 (en) * 2006-04-03 2007-10-04 Phillip Tuttobene Projection Screen Control Apparatus
TWM322805U (en) * 2007-02-07 2007-12-01 Ten-Sun Chen Flexible tube and elastic element installed on the said flexible tube
JP5811606B2 (en) * 2011-06-09 2015-11-11 セイコーエプソン株式会社 Projector, projection system, projector control method, and program
CN103873799B (en) * 2012-12-17 2018-08-10 联想(北京)有限公司 Projecting method and electronic equipment for electronic equipment
KR102091602B1 (en) * 2013-06-10 2020-03-20 엘지전자 주식회사 Multimedia device comprising flexible display and method for controlling the same
KR20160123620A (en) * 2015-04-16 2016-10-26 삼성전자주식회사 Display apparatus and method for displaying
US9880456B1 (en) 2015-10-16 2018-01-30 Robert Yellin Variable aspect ratio media screen frame

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795946A (en) * 1988-01-11 1989-01-03 Fuji Photo Film Co., Ltd. Method of and circuit for correcting linearity of horizontal deflection system
JPH06237429A (en) * 1993-02-10 1994-08-23 Sony Corp Screen device and front projection type projector system
US5461431A (en) * 1993-06-08 1995-10-24 Pioneer Electronic Corporation Display apparatus for television for displaying an image of different size on a whole display screen
US5519447A (en) * 1993-10-28 1996-05-21 Mitsubishi Denki Kabushiki Kaisha Wide aspect television receiver including a correcting waveform signal generator
DE19600818A1 (en) * 1995-01-11 1996-07-18 Lg Electronics Inc Linearity compensation circuit for wide image TV receiver
US5793340A (en) * 1994-09-19 1998-08-11 Mitsubishi Denki Kabushiki Kaisha Image correction apparatus
WO1998057492A1 (en) * 1997-06-09 1998-12-17 Electrohome Limited Optical image resizing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106852A (en) * 1977-02-22 1978-08-15 Producers Row Inc. Projection screen support structure
US4951149A (en) * 1988-10-27 1990-08-21 Faroudja Y C Television system with variable aspect picture ratio
JPH04329083A (en) * 1991-04-30 1992-11-17 Sony Corp Screen cover opening closing mechanism
US5737123A (en) * 1996-09-17 1998-04-07 Donohoe; Vincent Adjustable-aspect video projection screen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795946A (en) * 1988-01-11 1989-01-03 Fuji Photo Film Co., Ltd. Method of and circuit for correcting linearity of horizontal deflection system
JPH06237429A (en) * 1993-02-10 1994-08-23 Sony Corp Screen device and front projection type projector system
US5461431A (en) * 1993-06-08 1995-10-24 Pioneer Electronic Corporation Display apparatus for television for displaying an image of different size on a whole display screen
US5519447A (en) * 1993-10-28 1996-05-21 Mitsubishi Denki Kabushiki Kaisha Wide aspect television receiver including a correcting waveform signal generator
US5793340A (en) * 1994-09-19 1998-08-11 Mitsubishi Denki Kabushiki Kaisha Image correction apparatus
DE19600818A1 (en) * 1995-01-11 1996-07-18 Lg Electronics Inc Linearity compensation circuit for wide image TV receiver
WO1998057492A1 (en) * 1997-06-09 1998-12-17 Electrohome Limited Optical image resizing apparatus

Also Published As

Publication number Publication date
US6507435B1 (en) 2003-01-14
WO1999056172A2 (en) 1999-11-04
JP2002506539A (en) 2002-02-26
WO1999056172A8 (en) 1999-12-02
EP0993623A2 (en) 2000-04-19

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