BE353731A - - Google Patents
Info
- Publication number
- BE353731A BE353731A BE353731DA BE353731A BE 353731 A BE353731 A BE 353731A BE 353731D A BE353731D A BE 353731DA BE 353731 A BE353731 A BE 353731A
- Authority
- BE
- Belgium
- Prior art keywords
- lens
- mirror
- source
- optical system
- projection window
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 210000001747 pupil Anatomy 0.000 description 6
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 1
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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE353731A true BE353731A (enrdf_load_stackoverflow) |
Family
ID=28280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE353731D BE353731A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE353731A (enrdf_load_stackoverflow) |
-
0
- BE BE353731D patent/BE353731A/fr unknown
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