DE2406168A1 - Lichtstreuschirm fuer optische geraete - Google Patents
Lichtstreuschirm fuer optische geraeteInfo
- Publication number
- DE2406168A1 DE2406168A1 DE19742406168 DE2406168A DE2406168A1 DE 2406168 A1 DE2406168 A1 DE 2406168A1 DE 19742406168 DE19742406168 DE 19742406168 DE 2406168 A DE2406168 A DE 2406168A DE 2406168 A1 DE2406168 A1 DE 2406168A1
- Authority
- DE
- Germany
- Prior art keywords
- elements
- light diffusion
- imaginary
- screen
- convex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims description 14
- 210000001747 pupil Anatomy 0.000 claims description 17
- 238000009792 diffusion process Methods 0.000 claims description 15
- 230000002688 persistence Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002207 retinal effect Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/364—Projection microscopes
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/602—Lenticular screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33190473A | 1973-02-12 | 1973-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2406168A1 true DE2406168A1 (de) | 1974-08-15 |
Family
ID=23295860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742406168 Pending DE2406168A1 (de) | 1973-02-12 | 1974-02-08 | Lichtstreuschirm fuer optische geraete |
Country Status (3)
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066998A1 (en) * | 1981-05-22 | 1982-12-15 | The Marconi Company Limited | Display system |
| WO1989002606A1 (en) * | 1987-09-09 | 1989-03-23 | Fandrich Heinz Juergen | Device composed of a light guide plate |
| US5701132A (en) * | 1996-03-29 | 1997-12-23 | University Of Washington | Virtual retinal display with expanded exit pupil |
| DE10139355A1 (de) * | 2001-08-17 | 2003-02-27 | Lissotschenko Vitalij | Anordnung und Vorrichtung zur optischen Strahlhomogenisierung |
| US6768588B2 (en) | 2001-11-02 | 2004-07-27 | Microvision, Inc. | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil |
| US6954308B2 (en) | 2001-11-02 | 2005-10-11 | Microvision, Inc. | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil |
| US7339737B2 (en) | 2004-04-23 | 2008-03-04 | Microvision, Inc. | Beam multiplier that can be used as an exit-pupil expander and related system and method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977766A (en) * | 1975-04-24 | 1976-08-31 | Eastman Kodak Company | Projection screen and apparatus for the fabrication thereof |
| US6028704A (en) * | 1993-05-17 | 2000-02-22 | Freeman; Robin John | Optical instrument and optical element thereof |
| GB9310077D0 (en) * | 1993-05-17 | 1993-06-30 | Freeman Robin J | Optical instrument |
| US6608720B1 (en) | 1997-06-02 | 2003-08-19 | Robin John Freeman | Optical instrument and optical element thereof |
-
1974
- 1974-02-06 JP JP1462174A patent/JPS49114434A/ja active Pending
- 1974-02-08 DE DE19742406168 patent/DE2406168A1/de active Pending
- 1974-02-11 FR FR7404506A patent/FR2217718B3/fr not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066998A1 (en) * | 1981-05-22 | 1982-12-15 | The Marconi Company Limited | Display system |
| US4616217A (en) * | 1981-05-22 | 1986-10-07 | The Marconi Company Limited | Visual simulators, computer generated imagery, and display systems |
| WO1989002606A1 (en) * | 1987-09-09 | 1989-03-23 | Fandrich Heinz Juergen | Device composed of a light guide plate |
| US5022728A (en) * | 1987-09-09 | 1991-06-11 | Fandrich Heinz Juergen | Device composed of a light guide plate |
| US5701132A (en) * | 1996-03-29 | 1997-12-23 | University Of Washington | Virtual retinal display with expanded exit pupil |
| US5969871A (en) * | 1996-03-29 | 1999-10-19 | University Of Washington | Virtual retinal display with lens array for expanding exit pupil |
| DE10139355A1 (de) * | 2001-08-17 | 2003-02-27 | Lissotschenko Vitalij | Anordnung und Vorrichtung zur optischen Strahlhomogenisierung |
| WO2003016963A3 (de) * | 2001-08-17 | 2003-10-23 | Hentze Lissotschenko Patentver | Anordnung und vorrichtung zur optischen strahlhomogenisierung |
| US6768588B2 (en) | 2001-11-02 | 2004-07-27 | Microvision, Inc. | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil |
| US6954308B2 (en) | 2001-11-02 | 2005-10-11 | Microvision, Inc. | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil |
| US7339737B2 (en) | 2004-04-23 | 2008-03-04 | Microvision, Inc. | Beam multiplier that can be used as an exit-pupil expander and related system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2217718A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-06 |
| FR2217718B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-11-26 |
| JPS49114434A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-31 |
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