DK542175A - Dagslysprojektor - Google Patents
DagslysprojektorInfo
- Publication number
- DK542175A DK542175A DK542175A DK542175A DK542175A DK 542175 A DK542175 A DK 542175A DK 542175 A DK542175 A DK 542175A DK 542175 A DK542175 A DK 542175A DK 542175 A DK542175 A DK 542175A
- Authority
- DK
- Denmark
- Prior art keywords
- daylight
- projector
- daylight projector
- 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
-
- 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
- G03B21/14—Details
- G03B21/20—Lamp housings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752505316 DE2505316A1 (de) | 1975-02-03 | 1975-02-03 | Tageslichtprojektor |
DE19752515387 DE2515387A1 (de) | 1975-04-09 | 1975-04-09 | Tageslichtprojektor |
Publications (1)
Publication Number | Publication Date |
---|---|
DK542175A true DK542175A (da) | 1976-08-04 |
Family
ID=25768471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK542175A DK542175A (da) | 1975-02-03 | 1975-12-02 | Dagslysprojektor |
Country Status (3)
Country | Link |
---|---|
DK (1) | DK542175A (da) |
FR (1) | FR2299663A1 (da) |
GB (1) | GB1483300A (da) |
-
1975
- 1975-12-02 DK DK542175A patent/DK542175A/da not_active Application Discontinuation
- 1975-12-12 FR FR7538101A patent/FR2299663A1/fr active Granted
- 1975-12-22 GB GB5230675A patent/GB1483300A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2299663B3 (da) | 1979-10-05 |
GB1483300A (en) | 1977-08-17 |
FR2299663A1 (fr) | 1976-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHS | Application shelved for other reasons than non-payment |