CH230742A - Bildwerfer. - Google Patents
Bildwerfer.Info
- Publication number
- CH230742A CH230742A CH230742DA CH230742A CH 230742 A CH230742 A CH 230742A CH 230742D A CH230742D A CH 230742DA CH 230742 A CH230742 A CH 230742A
- Authority
- CH
- Switzerland
- Prior art keywords
- mirror
- screen
- tube
- reflective
- light
- Prior art date
Links
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0884—Catadioptric systems having a pupil corrector
- G02B17/0888—Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lenses (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH230742T | 1941-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH230742A true CH230742A (de) | 1944-01-31 |
Family
ID=4456770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH230742D CH230742A (de) | 1941-12-11 | 1941-12-11 | Bildwerfer. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH230742A (en:Method) |
| NL (1) | NL64856C (en:Method) |
-
0
- NL NL64856D patent/NL64856C/xx active
-
1941
- 1941-12-11 CH CH230742D patent/CH230742A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL64856C (en:Method) |
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