SE8901699L - Avmaskningsanordning - Google Patents
AvmaskningsanordningInfo
- Publication number
- SE8901699L SE8901699L SE8901699A SE8901699A SE8901699L SE 8901699 L SE8901699 L SE 8901699L SE 8901699 A SE8901699 A SE 8901699A SE 8901699 A SE8901699 A SE 8901699A SE 8901699 L SE8901699 L SE 8901699L
- Authority
- SE
- Sweden
- Prior art keywords
- window
- edge portions
- opposite edge
- strips
- masking
- Prior art date
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)
- Projection Apparatus (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8901699A SE464941B (sv) | 1989-05-11 | 1989-05-11 | Avmaskningsanordning |
DE1990850167 DE397634T1 (de) | 1989-05-11 | 1990-05-07 | Maskiervorrichtung. |
EP19900850167 EP0397634A3 (en) | 1989-05-11 | 1990-05-07 | A masking device |
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 SE8901699D0 (sv) | 1989-05-11 |
SE8901699L true 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)
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)
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 |
-
1989
- 1989-05-11 SE SE8901699A patent/SE464941B/sv not_active IP Right Cessation
-
1990
- 1990-05-07 DE DE1990850167 patent/DE397634T1/de active Pending
- 1990-05-07 EP EP19900850167 patent/EP0397634A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE397634T1 (de) | 1991-04-11 |
SE8901699D0 (sv) | 1989-05-11 |
EP0397634A2 (en) | 1990-11-14 |
EP0397634A3 (en) | 1991-11-06 |
SE464941B (sv) | 1991-07-01 |
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Legal Events
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