IT8419727A0 - Schermo per proiezioni, dotato di intelaiatura gonfiabile. - Google Patents

Schermo per proiezioni, dotato di intelaiatura gonfiabile.

Info

Publication number
IT8419727A0
IT8419727A0 IT8419727A IT1972784A IT8419727A0 IT 8419727 A0 IT8419727 A0 IT 8419727A0 IT 8419727 A IT8419727 A IT 8419727A IT 1972784 A IT1972784 A IT 1972784A IT 8419727 A0 IT8419727 A0 IT 8419727A0
Authority
IT
Italy
Prior art keywords
projection screen
inflatable frame
inflatable
frame
projection
Prior art date
Application number
IT8419727A
Other languages
English (en)
Original Assignee
Maggio Vincenzo Di
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 Maggio Vincenzo Di filed Critical Maggio Vincenzo Di
Priority to IT8419727A priority Critical patent/IT8419727A0/it
Publication of IT8419727A0 publication Critical patent/IT8419727A0/it
Priority to GB08410626A priority patent/GB2154762A/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
    • G03B21/585—Inflatable screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
IT8419727A 1984-02-21 1984-02-21 Schermo per proiezioni, dotato di intelaiatura gonfiabile. IT8419727A0 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8419727A IT8419727A0 (it) 1984-02-21 1984-02-21 Schermo per proiezioni, dotato di intelaiatura gonfiabile.
GB08410626A GB2154762A (en) 1984-02-21 1984-04-26 Projection screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8419727A IT8419727A0 (it) 1984-02-21 1984-02-21 Schermo per proiezioni, dotato di intelaiatura gonfiabile.

Publications (1)

Publication Number Publication Date
IT8419727A0 true IT8419727A0 (it) 1984-02-21

Family

ID=11160696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8419727A IT8419727A0 (it) 1984-02-21 1984-02-21 Schermo per proiezioni, dotato di intelaiatura gonfiabile.

Country Status (2)

Country Link
GB (1) GB2154762A (it)
IT (1) IT8419727A0 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206281A (en) * 1987-06-02 1989-01-05 Thomas Richard Mervyn Mason Picture mounts
US7446937B2 (en) * 2003-09-29 2008-11-04 Poretskin Steven M Inflatable projection/imaging screen structure
CN112859504B (zh) * 2020-12-31 2022-04-22 成都极米科技股份有限公司 幕布升降装置、方法及投影仪

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB805216A (en) * 1956-02-16 1958-12-03 Gaetan Jayle Improvements in projection screens
CH412391A (de) * 1963-11-01 1966-04-30 Ganz & Co Projektionseinrichtung

Also Published As

Publication number Publication date
GB2154762A (en) 1985-09-11
GB8410626D0 (en) 1984-05-31

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