SE7508721L - Anordning for upp- och nedrullning av projektionsduk - Google Patents

Anordning for upp- och nedrullning av projektionsduk

Info

Publication number
SE7508721L
SE7508721L SE7508721A SE7508721A SE7508721L SE 7508721 L SE7508721 L SE 7508721L SE 7508721 A SE7508721 A SE 7508721A SE 7508721 A SE7508721 A SE 7508721A SE 7508721 L SE7508721 L SE 7508721L
Authority
SE
Sweden
Prior art keywords
rolling
projection screen
projection
screen
Prior art date
Application number
SE7508721A
Other languages
English (en)
Swedish (sv)
Inventor
W T Wiesner
Original Assignee
Neckerman Versand Kgaa
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 Neckerman Versand Kgaa filed Critical Neckerman Versand Kgaa
Publication of SE7508721L publication Critical patent/SE7508721L/xx

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)
SE7508721A 1975-01-17 1975-08-01 Anordning for upp- och nedrullning av projektionsduk SE7508721L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7501295 1975-01-17

Publications (1)

Publication Number Publication Date
SE7508721L true SE7508721L (sv) 1976-07-19

Family

ID=6649712

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7508721A SE7508721L (sv) 1975-01-17 1975-08-01 Anordning for upp- och nedrullning av projektionsduk

Country Status (10)

Country Link
AT (1) AT335537B (uk)
BE (1) BE832380A (uk)
CH (1) CH595649A5 (uk)
DD (1) DD121196A5 (uk)
DK (1) DK350075A (uk)
FR (1) FR2298122A1 (uk)
GB (1) GB1467569A (uk)
LU (1) LU73134A1 (uk)
NL (1) NL7600054A (uk)
SE (1) SE7508721L (uk)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7707290U1 (de) * 1977-03-09 1977-06-30 Mechanische Weberei Gmbh, 4792 Bad Lippspringe Lichtbildprojektionswand mit lautsprechern

Also Published As

Publication number Publication date
FR2298122A1 (fr) 1976-08-13
LU73134A1 (uk) 1976-03-02
NL7600054A (nl) 1976-07-20
ATA579975A (de) 1976-07-15
DK350075A (da) 1976-07-18
GB1467569A (en) 1977-03-16
CH595649A5 (uk) 1978-02-15
FR2298122B1 (uk) 1979-05-11
DD121196A5 (uk) 1976-07-12
AT335537B (de) 1977-03-10
BE832380A (fr) 1975-12-01

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