DE69834070D1 - Verbesserungen an Projectionssystemen - Google Patents
Verbesserungen an ProjectionssystemenInfo
- Publication number
- DE69834070D1 DE69834070D1 DE69834070T DE69834070T DE69834070D1 DE 69834070 D1 DE69834070 D1 DE 69834070D1 DE 69834070 T DE69834070 T DE 69834070T DE 69834070 T DE69834070 T DE 69834070T DE 69834070 D1 DE69834070 D1 DE 69834070D1
- Authority
- DE
- Germany
- Prior art keywords
- projection systems
- projection
- systems
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
-
- 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
- G03B21/10—Projectors with built-in or built-on screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9707178A FR2764462A1 (fr) | 1997-06-10 | 1997-06-10 | Perfectionnement aux systemes de projection |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69834070D1 true DE69834070D1 (de) | 2006-05-18 |
Family
ID=9507807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69834070T Expired - Lifetime DE69834070D1 (de) | 1997-06-10 | 1998-05-29 | Verbesserungen an Projectionssystemen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6318862B1 (de) |
EP (1) | EP0884898B1 (de) |
JP (1) | JPH1195173A (de) |
DE (1) | DE69834070D1 (de) |
FR (1) | FR2764462A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6561649B1 (en) | 1999-07-09 | 2003-05-13 | Sarnoff Corporation | Compact rear projection system using birefringent optics |
US6873460B1 (en) | 1999-07-09 | 2005-03-29 | Sarnoff Corporation | Retractable rear projection display |
WO2001056275A2 (en) * | 2000-01-27 | 2001-08-02 | Sarnoff Corporation | Retractable rear projection display |
WO2002021205A1 (en) * | 2000-09-08 | 2002-03-14 | Sony Electronics, Inc. | Footprint reduction in a rear projection television system |
US6717627B2 (en) * | 2001-03-13 | 2004-04-06 | Koninklijke Philips Electronics N.V. | Integrated screen protector and holder |
US7267661B2 (en) * | 2002-06-17 | 2007-09-11 | Iradimed Corporation | Non-magnetic medical infusion device |
US20070019274A1 (en) * | 2005-07-25 | 2007-01-25 | Scott Lerner | Double pass light modulator |
JP6564138B2 (ja) * | 2015-07-31 | 2019-08-21 | エーエスエムエル ホールディング エヌ.ブイ. | アライメントシステムの光学システム |
US10018840B2 (en) * | 2016-02-12 | 2018-07-10 | Lg Electronics Inc. | Head up display for vehicle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3792198A (en) * | 1972-09-28 | 1974-02-12 | Ibm | Partition system for image displays |
GB8804402D0 (en) * | 1988-02-25 | 1988-03-23 | Emi Plc Thorn | Display device |
GB9026151D0 (en) * | 1990-11-30 | 1991-01-16 | Emi Plc Thorn | Display device |
BE1007592A3 (nl) * | 1993-10-06 | 1995-08-16 | Philips Electronics Nv | Reflecterend beeldprojectiescherm en beeldprojectiesysteem bevattende een dergelijk beeldprojectiescherm. |
BE1007864A3 (nl) * | 1993-12-10 | 1995-11-07 | Philips Electronics Nv | Beeldprojectiesysteem. |
JP3278521B2 (ja) * | 1994-01-28 | 2002-04-30 | 松下電器産業株式会社 | 背面投写型画像表示装置 |
FR2732783B1 (fr) * | 1995-04-07 | 1997-05-16 | Thomson Csf | Dispositif compact de retroprojection |
US6181386B1 (en) * | 1995-12-29 | 2001-01-30 | Duke University | Projecting images |
-
1997
- 1997-06-10 FR FR9707178A patent/FR2764462A1/fr not_active Withdrawn
-
1998
- 1998-05-29 DE DE69834070T patent/DE69834070D1/de not_active Expired - Lifetime
- 1998-05-29 EP EP98401290A patent/EP0884898B1/de not_active Expired - Lifetime
- 1998-06-02 US US09/089,306 patent/US6318862B1/en not_active Expired - Fee Related
- 1998-06-05 JP JP10157675A patent/JPH1195173A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0884898B1 (de) | 2006-04-05 |
FR2764462A1 (fr) | 1998-12-11 |
JPH1195173A (ja) | 1999-04-09 |
EP0884898A1 (de) | 1998-12-16 |
US6318862B1 (en) | 2001-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |