SE8901699D0 - Avmaskningsanordning - Google Patents

Avmaskningsanordning

Info

Publication number
SE8901699D0
SE8901699D0 SE8901699A SE8901699A SE8901699D0 SE 8901699 D0 SE8901699 D0 SE 8901699D0 SE 8901699 A SE8901699 A SE 8901699A SE 8901699 A SE8901699 A SE 8901699A SE 8901699 D0 SE8901699 D0 SE 8901699D0
Authority
SE
Sweden
Prior art keywords
window
edge portions
opposite edge
strips
masking
Prior art date
Application number
SE8901699A
Other languages
English (en)
Other versions
SE464941B (sv
SE8901699L (sv
Inventor
S Stjernswaerd
Original Assignee
Interdidact Audivisuella 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
Application filed by Interdidact Audivisuella Ab filed Critical Interdidact Audivisuella Ab
Priority to SE8901699A priority Critical patent/SE464941B/sv
Publication of SE8901699D0 publication Critical patent/SE8901699D0/sv
Priority to EP19900850167 priority patent/EP0397634A3/en
Priority to DE1990850167 priority patent/DE397634T1/de
Publication of SE8901699L publication Critical patent/SE8901699L/sv
Publication of SE464941B publication Critical patent/SE464941B/sv

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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Projection Apparatus (AREA)
SE8901699A 1989-05-11 1989-05-11 Avmaskningsanordning SE464941B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8901699A SE464941B (sv) 1989-05-11 1989-05-11 Avmaskningsanordning
EP19900850167 EP0397634A3 (en) 1989-05-11 1990-05-07 A masking device
DE1990850167 DE397634T1 (de) 1989-05-11 1990-05-07 Maskiervorrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8901699A SE464941B (sv) 1989-05-11 1989-05-11 Avmaskningsanordning

Publications (3)

Publication Number Publication Date
SE8901699D0 true SE8901699D0 (sv) 1989-05-11
SE8901699L SE8901699L (sv) 1990-11-12
SE464941B SE464941B (sv) 1991-07-01

Family

ID=20375929

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901699A SE464941B (sv) 1989-05-11 1989-05-11 Avmaskningsanordning

Country Status (3)

Country Link
EP (1) EP0397634A3 (sv)
DE (1) DE397634T1 (sv)
SE (1) SE464941B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254931A (en) * 1991-04-02 1992-10-21 Howard David Jones A masking frame for use with screens used for cinematic projection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE558414C (de) * 1931-04-30 1932-09-07 Traut G M B H H Mattscheiben- und Bildtraeger fuer photographische Vergroesserungs- und Reproduktionsapparate
US3176578A (en) * 1959-11-20 1965-04-06 Bolsey Emil Optical projection device
DE3233257A1 (de) * 1982-09-08 1984-03-08 Demolux Gmbh & Co Kg, 6070 Langen Overhead-projektor
DE3702877C1 (en) * 1987-01-31 1988-06-30 Pelikan Ag Backing for slide films for overhead projectors

Also Published As

Publication number Publication date
SE464941B (sv) 1991-07-01
EP0397634A2 (en) 1990-11-14
DE397634T1 (de) 1991-04-11
SE8901699L (sv) 1990-11-12
EP0397634A3 (en) 1991-11-06

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