NO824372L - Billedprojeksjonssystem. - Google Patents
Billedprojeksjonssystem.Info
- Publication number
- NO824372L NO824372L NO824372A NO824372A NO824372L NO 824372 L NO824372 L NO 824372L NO 824372 A NO824372 A NO 824372A NO 824372 A NO824372 A NO 824372A NO 824372 L NO824372 L NO 824372L
- Authority
- NO
- Norway
- Prior art keywords
- projection system
- picture projection
- picture
- projection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3167—Modulator illumination systems for polarizing the light beam
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Liquid Crystal (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33467781A | 1981-12-28 | 1981-12-28 | |
US06/334,679 US4500172A (en) | 1981-12-28 | 1981-12-28 | Two color liquid crystal light valve image projection system with single prepolarizer |
Publications (3)
Publication Number | Publication Date |
---|---|
NO824372L true NO824372L (no) | 1983-06-29 |
NO165776B NO165776B (no) | 1990-12-27 |
NO165776C NO165776C (no) | 1991-04-10 |
Family
ID=26989314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO824372A NO165776C (no) | 1981-12-28 | 1982-12-27 | Billedprojeksjonssystem. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0083440B1 (no) |
CA (1) | CA1214345A (no) |
DE (1) | DE3277053D1 (no) |
IL (1) | IL67574A (no) |
NO (1) | NO165776C (no) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836649A (en) * | 1985-07-12 | 1989-06-06 | Hughes Aircraft Company | Optical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lens |
DE3720375A1 (de) * | 1987-06-19 | 1988-12-29 | Fraunhofer Ges Forschung | Projektionsvorrichtung |
US4824214A (en) * | 1987-07-27 | 1989-04-25 | Hughes Aircraft Company | Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector |
US4807978A (en) * | 1987-09-10 | 1989-02-28 | Hughes Aircraft Company | Color display device and method using holographic lenses |
NL8802104A (nl) * | 1988-08-26 | 1990-03-16 | Philips Nv | Beeldprojektie-inrichting. |
NL8802517A (nl) * | 1988-10-13 | 1990-05-01 | Philips Nv | Beeldprojektie-inrichting. |
JP2893599B2 (ja) * | 1989-10-05 | 1999-05-24 | セイコーエプソン株式会社 | 偏光光源及び投写型表示装置 |
JP3126368B2 (ja) * | 1990-06-22 | 2001-01-22 | 株式会社日立製作所 | 画像縮小拡大投影装置 |
JPH05257110A (ja) * | 1992-03-13 | 1993-10-08 | Sharp Corp | 投射型液晶表示装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4127322A (en) * | 1975-12-05 | 1978-11-28 | Hughes Aircraft Company | High brightness full color image light valve projection system |
US4191456A (en) * | 1979-03-08 | 1980-03-04 | Hughes Aircraft Company | Optical block for high brightness full color video projection system |
-
1982
- 1982-12-22 EP EP82111910A patent/EP0083440B1/en not_active Expired
- 1982-12-22 DE DE8282111910T patent/DE3277053D1/de not_active Expired
- 1982-12-23 CA CA000418548A patent/CA1214345A/en not_active Expired
- 1982-12-27 NO NO824372A patent/NO165776C/no unknown
- 1982-12-28 IL IL67574A patent/IL67574A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0083440B1 (en) | 1987-08-19 |
EP0083440A3 (en) | 1984-08-22 |
IL67574A (en) | 1989-02-28 |
DE3277053D1 (en) | 1987-09-24 |
NO165776B (no) | 1990-12-27 |
EP0083440A2 (en) | 1983-07-13 |
CA1214345A (en) | 1986-11-25 |
NO165776C (no) | 1991-04-10 |
IL67574A0 (en) | 1983-05-15 |
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