FR2641928B1 - Dispositif de projection d'images - Google Patents
Dispositif de projection d'imagesInfo
- Publication number
- FR2641928B1 FR2641928B1 FR8900480A FR8900480A FR2641928B1 FR 2641928 B1 FR2641928 B1 FR 2641928B1 FR 8900480 A FR8900480 A FR 8900480A FR 8900480 A FR8900480 A FR 8900480A FR 2641928 B1 FR2641928 B1 FR 2641928B1
- Authority
- FR
- France
- Prior art keywords
- projection device
- image projection
- image
- projection
- 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 - Fee Related
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
-
- 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
- H04N9/3161—Modulator illumination systems using laser light sources
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900480A FR2641928B1 (fr) | 1989-01-17 | 1989-01-17 | Dispositif de projection d'images |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900480A FR2641928B1 (fr) | 1989-01-17 | 1989-01-17 | Dispositif de projection d'images |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2641928A1 FR2641928A1 (fr) | 1990-07-20 |
FR2641928B1 true FR2641928B1 (fr) | 1996-09-13 |
Family
ID=9377776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8900480A Expired - Fee Related FR2641928B1 (fr) | 1989-01-17 | 1989-01-17 | Dispositif de projection d'images |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2641928B1 (fr) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2326970A (en) * | 1939-05-25 | 1943-08-17 | Rantsch Kurt | Illuminating system, particularly for projection purposes |
US2803163A (en) * | 1952-05-20 | 1957-08-20 | Zeiss Ikon Ag | Illuminating system for picture projectors |
US3330908A (en) * | 1963-10-16 | 1967-07-11 | Gen Electric | Deformable medium projection apparatus utilizing novel optical system comprising lens arrays employed in conjunction with light masks |
US3345462A (en) * | 1963-10-16 | 1967-10-03 | Gen Electric | Light valve projection apparatus |
US4082438A (en) * | 1975-05-30 | 1978-04-04 | Rca Corporation | Zero-order diffractive subtractive filter projector |
JPS6027964B2 (ja) * | 1979-08-28 | 1985-07-02 | 工業技術院長 | 方向性ハイカツト空間周波数フイルタ |
JPS60218635A (ja) * | 1984-04-13 | 1985-11-01 | Canon Inc | 照明装置 |
-
1989
- 1989-01-17 FR FR8900480A patent/FR2641928B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2641928A1 (fr) | 1990-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |