RU95108254A - SYSTEM FOR PROJECTING COLOR VIDEO IMAGES AND RELATED TRANSFORMING OPTICS - Google Patents

SYSTEM FOR PROJECTING COLOR VIDEO IMAGES AND RELATED TRANSFORMING OPTICS

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Publication number
RU95108254A
RU95108254A RU95108254/09A RU95108254A RU95108254A RU 95108254 A RU95108254 A RU 95108254A RU 95108254/09 A RU95108254/09 A RU 95108254/09A RU 95108254 A RU95108254 A RU 95108254A RU 95108254 A RU95108254 A RU 95108254A
Authority
RU
Russia
Prior art keywords
optics
optical stage
space
lens
converting
Prior art date
Application number
RU95108254/09A
Other languages
Russian (ru)
Other versions
RU2106070C1 (en
Inventor
Детер Кристхард
Хиллер Клаус
Эльстер Гюнтер
Редер Рольф
Холота Вольфганг
Original Assignee
Шнайдер Электроник Рундфункверк ГмбХ
Карл Цейсс Йена ГмбХ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE4324849A external-priority patent/DE4324849C2/en
Application filed by Шнайдер Электроник Рундфункверк ГмбХ, Карл Цейсс Йена ГмбХ filed Critical Шнайдер Электроник Рундфункверк ГмбХ
Publication of RU95108254A publication Critical patent/RU95108254A/en
Application granted granted Critical
Publication of RU2106070C1 publication Critical patent/RU2106070C1/en

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Claims (13)

1. Проекционная система для проеционирования видеоизображения, построенного из точек изображения, на экран (54) с помощью по меньшей мере одного, направляющего пучок световых лучей, изменяемого по своей интенсивности источника (10, 20, 30) света и отклоняющего устройства (44, 46), отклоняющего пучок световых лучей для освещения точек изображения на экране (54), отличающаяся тем, что между отклоняющим устройством (44, 46) и экраном (54) расположена одна по меньшей мере двухступенчатая преобразующая оптика (50), откорректированная по тангенсному условию без искажений.1. A projection system for projecting a video image constructed from image points onto a screen (54) using at least one directing beam of light beams, a light source (10, 20, 30) that varies in intensity and a deflecting device (44, 46 ) deflecting the beam of light rays to illuminate the image points on the screen (54), characterized in that between the deflecting device (44, 46) and the screen (54) there is one at least two-stage converting optics (50), corrected by the tangent condition without distortions. 2. Система по п. 1, отличающаяся тем, что между преобразующей оптикой (50) и экраном (54) расположена полевая линза. 2. The system according to claim 1, characterized in that a field lens is located between the converting optics (50) and the screen (54). 3. Система по п. 2, отличающаяся тем, что полевая линза является линзой (52) Френеля. 3. The system according to claim 2, characterized in that the field lens is a Fresnel lens (52). 4. Система по п. 3, отличающаяся тем, что изображение отклоняющего устройства, полученное через преобразующую оптику, находится в фокусе линзы (52) Френеля или на расстоянии ±20% величины фокусного расстояния линзы (52) Френеля от ее фокуса. 4. The system according to claim 3, characterized in that the image of the deflecting device obtained through the converting optics is in the focus of the Fresnel lens (52) or at a distance of ± 20% of the focal length of the Fresnel lens (52) from its focus. 5. Система по п. 3 или 4, отличающаяся тем, что линза (52) Френеля имеет плоскую поверхность, обращенную к преобразующей оптике (50). 5. A system according to claim 3 or 4, characterized in that the Fresnel lens (52) has a flat surface facing the converting optics (50). 6. Система по одному из пп. 1 - 5 с главной плоскостью (Н) в пространстве предметов, относящейся к преобразующей оптике, отличающаяся тем, что отклоняющее устройство (44, 46) расположено между главной плоскостью в пространстве предметов преобразующей оптики и первой вершиной (111) линзы в пространстве предметов преобразующей оптики. 6. The system according to one of paragraphs. 1 - 5 with the main plane (H) in the space of objects related to the converting optics, characterized in that the deflecting device (44, 46) is located between the main plane in the space of objects of the converting optics and the first vertex (111) of the lens in the space of the objects of the converting optics . 7. Преобразующая оптика, в частности, для применения в проекционной системе по одному из пп. 1 - 6, отличающаяся тем, что она включает по меньшей мере две оптические ступени (90, 92), причем первая оптическая ступень создает плоскость (94) промежуточного изображения, которая через следующую оптическую ступень (92) изображается на экране. 7. Converting optics, in particular, for use in a projection system according to one of claims. 1 to 6, characterized in that it includes at least two optical stages (90, 92), the first optical stage creating a plane (94) of the intermediate image, which is displayed on the screen through the next optical stage (92). 8. Оптика по п. 7, отличающаяся тем, что плоскость (94) промежуточного изображения при параллельном падении света имеет фокус в пространстве изображений первой оптической ступени. 8. Optics according to claim 7, characterized in that the plane (94) of the intermediate image with parallel light incidence has focus in the image space of the first optical stage. 9. Оптика по п. 7 или 8, отличающаяся тем, что вторая оптическая ступень (92) имеет фокусное расстояние, которое меньше, чем половина фокусного расстояния первой оптической ступени (90). 9. Optics according to claim 7 or 8, characterized in that the second optical stage (92) has a focal length that is less than half the focal length of the first optical stage (90). 10. Оптика по п. 9, отличающаяся тем, что фокусное расстояние второй оптической ступени (92) меньше, чем 1/5 фокусного расстояния первой оптической ступени (90). 10. Optics according to claim 9, characterized in that the focal length of the second optical stage (92) is less than 1/5 of the focal length of the first optical stage (90). 11. Оптика по одному из пп. 7 - 10 с главной плоскостью (Н) в пространстве предметов и фокусом (96) в пространстве предметов первой оптической ступени (90), отличающаяся тем, что главная плоскость (Н) в пространстве предметов преобразующей оптики (50) находится вне первой вершины (111) линзы. 11. Optics according to one of paragraphs. 7 - 10 with a main plane (H) in the space of objects and a focus (96) in the space of objects of the first optical stage (90), characterized in that the main plane (H) in the space of objects of the converting optics (50) is outside the first vertex (111) ) lenses. 12. Оптика по одному из пп. 7 - 11, отличающаяся тем, что первая оптическая ступень (90) и вторая оптическая ступень (92) состоят из многолинзовых систем. 12. Optics according to one of paragraphs. 7 to 11, characterized in that the first optical stage (90) and the second optical stage (92) consist of multi-lens systems. 13. Оптика по одному из пп. 7 - 12 с плоскостями промежуточных изображений между отдельными оптическими ступенями, отличающаяся тем, что каждая плоскость (94) промежуточного изображения находится между последней вершиной (118) линзы оптической ступени (90) и первой вершиной (119) линзы следующей оптической ступени (92). 13. Optics according to one of paragraphs. 7 to 12 with planes of intermediate images between individual optical steps, characterized in that each plane (94) of the intermediate image is between the last vertex (118) of the lens of the optical stage (90) and the first vertex (119) of the lens of the next optical stage (92).
RU95108254A 1993-07-23 1994-07-19 Projection system for projection of color video picture and conversion lenses for said system RU2106070C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4324849A DE4324849C2 (en) 1993-07-23 1993-07-23 Video system for generating a color video image on a screen
DEP4324849.7 1993-07-23
PCT/EP1994/002377 WO1995003676A1 (en) 1993-07-23 1994-07-19 Colour video image projection system and associated transformation optics

Publications (2)

Publication Number Publication Date
RU95108254A true RU95108254A (en) 1998-02-20
RU2106070C1 RU2106070C1 (en) 1998-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU95108254A RU2106070C1 (en) 1993-07-23 1994-07-19 Projection system for projection of color video picture and conversion lenses for said system

Country Status (15)

Country Link
US (1) US5694180A (en)
EP (1) EP0662274B1 (en)
JP (1) JP2583397B2 (en)
KR (1) KR100225696B1 (en)
CN (1) CN1054956C (en)
BR (1) BR9405553A (en)
CA (1) CA2142715C (en)
DE (1) DE4324849C2 (en)
ES (1) ES2108488T3 (en)
FI (1) FI951372A (en)
IL (1) IL109898A (en)
RU (1) RU2106070C1 (en)
TW (1) TW224517B (en)
WO (1) WO1995003676A1 (en)
ZA (1) ZA944259B (en)

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