DK24283A - OVERHEAD PROJECTOR - Google Patents
OVERHEAD PROJECTORInfo
- Publication number
- DK24283A DK24283A DK24283A DK24283A DK24283A DK 24283 A DK24283 A DK 24283A DK 24283 A DK24283 A DK 24283A DK 24283 A DK24283 A DK 24283A DK 24283 A DK24283 A DK 24283A
- Authority
- DK
- Denmark
- Prior art keywords
- overhead projector
- projector
- overhead
- 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)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK24283A DK24283A (en) | 1983-01-21 | 1983-01-21 | OVERHEAD PROJECTOR |
GB08401196A GB2134279B (en) | 1983-01-21 | 1984-01-17 | An overhead projector |
DE19843401709 DE3401709A1 (en) | 1983-01-21 | 1984-01-19 | SCULPTOR |
FR8400885A FR2539886B1 (en) | 1983-01-21 | 1984-01-20 | APPARATUS FOR PROJECTING SLIDES WITH A LIGHT BEAM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK24283A DK24283A (en) | 1983-01-21 | 1983-01-21 | OVERHEAD PROJECTOR |
Publications (2)
Publication Number | Publication Date |
---|---|
DK24283D0 DK24283D0 (en) | 1983-01-21 |
DK24283A true DK24283A (en) | 1984-07-22 |
Family
ID=8091339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK24283A DK24283A (en) | 1983-01-21 | 1983-01-21 | OVERHEAD PROJECTOR |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3401709A1 (en) |
DK (1) | DK24283A (en) |
FR (1) | FR2539886B1 (en) |
GB (1) | GB2134279B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728184A (en) * | 1987-05-26 | 1988-03-01 | Buhl Industries, Inc. | Foldable transparency enlarger for overhead projector |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3482911A (en) * | 1967-03-20 | 1969-12-09 | William A Noble | Image projection apparatus |
DE1961215B2 (en) * | 1969-12-05 | 1972-03-16 | Kindermann & Co GmbH, 8703 Ochsen fürt | WRITING PROJECTOR WITH A DEVICE FOR PROJECTING SLIDES AND FILM STRIPS |
DE7018612U (en) * | 1970-05-20 | 1970-12-10 | Klaus W Reiser & Co | PROJECTION DEVICE. |
DE7231583U (en) * | 1972-08-23 | 1973-01-04 | Ritzerfeld G | WRITING PROJECTOR |
-
1983
- 1983-01-21 DK DK24283A patent/DK24283A/en not_active Application Discontinuation
-
1984
- 1984-01-17 GB GB08401196A patent/GB2134279B/en not_active Expired
- 1984-01-19 DE DE19843401709 patent/DE3401709A1/en not_active Withdrawn
- 1984-01-20 FR FR8400885A patent/FR2539886B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3401709A1 (en) | 1984-07-26 |
DK24283D0 (en) | 1983-01-21 |
GB8401196D0 (en) | 1984-02-22 |
FR2539886A1 (en) | 1984-07-27 |
FR2539886B1 (en) | 1988-09-23 |
GB2134279A (en) | 1984-08-08 |
GB2134279B (en) | 1986-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |