SE0001281D0 - Overheadprojektor - Google Patents
OverheadprojektorInfo
- Publication number
- SE0001281D0 SE0001281D0 SE0001281A SE0001281A SE0001281D0 SE 0001281 D0 SE0001281 D0 SE 0001281D0 SE 0001281 A SE0001281 A SE 0001281A SE 0001281 A SE0001281 A SE 0001281A SE 0001281 D0 SE0001281 D0 SE 0001281D0
- Authority
- SE
- Sweden
- Prior art keywords
- light
- polarizing layer
- document
- projector
- picture plate
- 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)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001281A SE516279C2 (sv) | 2000-04-05 | 2000-04-05 | Overheadprojektor |
AU2001244939A AU2001244939A1 (en) | 2000-04-05 | 2001-03-30 | Overhead projector |
EP01918069A EP1279066A1 (en) | 2000-04-05 | 2001-03-30 | Overhead projector |
US10/240,807 US6783243B2 (en) | 2000-04-05 | 2001-03-30 | Overhead projector |
PCT/SE2001/000653 WO2001075520A1 (en) | 2000-04-05 | 2001-03-30 | Overhead projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001281A SE516279C2 (sv) | 2000-04-05 | 2000-04-05 | Overheadprojektor |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0001281D0 true SE0001281D0 (sv) | 2000-04-05 |
SE0001281L SE0001281L (sv) | 2001-10-06 |
SE516279C2 SE516279C2 (sv) | 2001-12-10 |
Family
ID=20279217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0001281A SE516279C2 (sv) | 2000-04-05 | 2000-04-05 | Overheadprojektor |
Country Status (5)
Country | Link |
---|---|
US (1) | US6783243B2 (sv) |
EP (1) | EP1279066A1 (sv) |
AU (1) | AU2001244939A1 (sv) |
SE (1) | SE516279C2 (sv) |
WO (1) | WO2001075520A1 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4649107B2 (ja) * | 2003-12-22 | 2011-03-09 | キヤノン株式会社 | 走査型の映像投射装置 |
EP2171641A4 (en) * | 2007-06-21 | 2012-11-14 | Univ Johns Hopkins | HANDLING DEVICE FOR NAVIGATING ON VIRTUAL MICROSCOPE OBJECT HOLDER BLADES / DIGITAL IMAGES AND METHODS RELATED THERETO |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6117134A (ja) * | 1984-04-13 | 1986-01-25 | デモルツクス・ゲ−・エム・ベ−・ハ−・ウント・コンパニ−・カ−・ゲ− | オ−バ−ヘッド型プロジェクタ |
US4818074A (en) * | 1986-09-03 | 1989-04-04 | Ricoh Company, Ltd. | Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom |
JPH04174828A (ja) * | 1990-11-08 | 1992-06-23 | Ricoh Co Ltd | 保護フィルム及び原稿フィルムの投映方法 |
US5206673A (en) * | 1991-02-22 | 1993-04-27 | Japan Aviation Electronics Industry Limited | Reflection type overhead projector |
US5333072A (en) * | 1992-12-31 | 1994-07-26 | Minnesota Mining And Manufacturing Company | Reflective liquid crystal display overhead projection system using a reflective linear polarizer and a fresnel lens |
US5260730A (en) * | 1993-01-25 | 1993-11-09 | Numa Corporation | Optical overhead projector for electronic images |
EP0746798A1 (en) * | 1994-12-22 | 1996-12-11 | Koninklijke Philips Electronics N.V. | Presentation system with overhead projector |
-
2000
- 2000-04-05 SE SE0001281A patent/SE516279C2/sv unknown
-
2001
- 2001-03-30 AU AU2001244939A patent/AU2001244939A1/en not_active Abandoned
- 2001-03-30 WO PCT/SE2001/000653 patent/WO2001075520A1/en not_active Application Discontinuation
- 2001-03-30 US US10/240,807 patent/US6783243B2/en not_active Expired - Fee Related
- 2001-03-30 EP EP01918069A patent/EP1279066A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
SE516279C2 (sv) | 2001-12-10 |
SE0001281L (sv) | 2001-10-06 |
US20030048426A1 (en) | 2003-03-13 |
US6783243B2 (en) | 2004-08-31 |
AU2001244939A1 (en) | 2001-10-15 |
EP1279066A1 (en) | 2003-01-29 |
WO2001075520A1 (en) | 2001-10-11 |
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