GB9711303D0 - Collapsible video screen - Google Patents

Collapsible video screen

Info

Publication number
GB9711303D0
GB9711303D0 GBGB9711303.9A GB9711303A GB9711303D0 GB 9711303 D0 GB9711303 D0 GB 9711303D0 GB 9711303 A GB9711303 A GB 9711303A GB 9711303 D0 GB9711303 D0 GB 9711303D0
Authority
GB
United Kingdom
Prior art keywords
video screen
collapsible video
collapsible
screen
video
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
GBGB9711303.9A
Other versions
GB2325992B (en
GB2325992A (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.)
MITCHELL GRAHAM S
Original Assignee
MITCHELL GRAHAM S
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 MITCHELL GRAHAM S filed Critical MITCHELL GRAHAM S
Priority to GB9711303A priority Critical patent/GB2325992B/en
Publication of GB9711303D0 publication Critical patent/GB9711303D0/en
Publication of GB2325992A publication Critical patent/GB2325992A/en
Application granted granted Critical
Publication of GB2325992B publication Critical patent/GB2325992B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
GB9711303A 1997-06-03 1997-06-03 Collapsible video screen Expired - Fee Related GB2325992B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9711303A GB2325992B (en) 1997-06-03 1997-06-03 Collapsible video screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9711303A GB2325992B (en) 1997-06-03 1997-06-03 Collapsible video screen

Publications (3)

Publication Number Publication Date
GB9711303D0 true GB9711303D0 (en) 1997-07-30
GB2325992A GB2325992A (en) 1998-12-09
GB2325992B GB2325992B (en) 2001-09-19

Family

ID=10813395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9711303A Expired - Fee Related GB2325992B (en) 1997-06-03 1997-06-03 Collapsible video screen

Country Status (1)

Country Link
GB (1) GB2325992B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003273858A1 (en) * 2002-06-11 2003-12-22 Reinhold Stumpfl Mobile projection screen
WO2006108233A1 (en) * 2005-04-13 2006-10-19 Homescreens.Com.Au Pty Limited Screen surround

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942869A (en) * 1974-07-12 1976-03-09 Magna Mir, Inc. Projection screen unit
US4017152A (en) * 1975-05-14 1977-04-12 Allen William P Portable projection screen
EP0635753A1 (en) * 1993-07-23 1995-01-25 Alfred Herrmann Device to support flexible screens, in particular background screens

Also Published As

Publication number Publication date
GB2325992B (en) 2001-09-19
GB2325992A (en) 1998-12-09

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Legal Events

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

Effective date: 20020603