NL7707717A - LIGHT IMAGE PROJECT SCREEN. - Google Patents

LIGHT IMAGE PROJECT SCREEN.

Info

Publication number
NL7707717A
NL7707717A NL7707717A NL7707717A NL7707717A NL 7707717 A NL7707717 A NL 7707717A NL 7707717 A NL7707717 A NL 7707717A NL 7707717 A NL7707717 A NL 7707717A NL 7707717 A NL7707717 A NL 7707717A
Authority
NL
Netherlands
Prior art keywords
light image
project screen
image project
screen
light
Prior art date
Application number
NL7707717A
Other languages
Dutch (nl)
Original Assignee
Mechanische Weberei G M B H
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 Mechanische Weberei G M B H filed Critical Mechanische Weberei G M B H
Publication of NL7707717A publication Critical patent/NL7707717A/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)
  • Overhead Projectors And Projection Screens (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
NL7707717A 1977-04-13 1977-07-11 LIGHT IMAGE PROJECT SCREEN. NL7707717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772716349 DE2716349A1 (en) 1977-04-13 1977-04-13 LIGHT IMAGE PROJECTION WALL

Publications (1)

Publication Number Publication Date
NL7707717A true NL7707717A (en) 1978-10-17

Family

ID=6006204

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7707717A NL7707717A (en) 1977-04-13 1977-07-11 LIGHT IMAGE PROJECT SCREEN.

Country Status (5)

Country Link
DE (1) DE2716349A1 (en)
FR (1) FR2387468A1 (en)
GB (1) GB1583279A (en)
IT (1) IT1083799B (en)
NL (1) NL7707717A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115177C1 (en) * 1981-04-15 1982-11-11 Reflecta Gmbh Foto Film Projektion, 8540 Schwabach Projection screen
US5462506A (en) * 1992-09-24 1995-10-31 Joshua Group Ltd. Lateral movement trainer selectively positionable for storage or use

Also Published As

Publication number Publication date
IT1083799B (en) 1985-05-25
DE2716349A1 (en) 1978-10-19
FR2387468A1 (en) 1978-11-10
GB1583279A (en) 1981-01-21

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Legal Events

Date Code Title Description
BV The patent application has lapsed