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21. 发明授权

US3909111A Controlled angle viewing screens by interference techniques 失效
标题翻译：通过干涉技术控制角度观察屏幕
公开(公告)号：US3909111A
公开(公告)日：1975-09-30
申请号：US44641774
申请日：1974-02-27
申请人： RCA CORP
发明人： MEYERHOFER DIETRICH
IPC分类号： G03B21/56 , G03B21/62 , G03F5/12
CPC分类号： G03B21/56 , G03B21/62
摘要： A hardened gelatin film on a transparent substrate forms a rear projection viewing screen providing high efficiency and uniformity of illumination with predetermined scattering characteristics over a relatively wide field of view. This is accomplished by the presence within the gelatin film of a scattering pattern corresponding to a certain three-dimensional interference pattern recorded therein. This certain interference pattern results from the exposure of the gelatin film, after light sensitization thereof, with substantially coherent light which has passed through a diffusing medium having a given cross sectional area which is spaced a given distance from the film, followed by the development of the exposed film by a process which includes rapid drying of the film after immersion thereof.
摘要翻译：透明基板上的硬化明胶膜形成背投影观察屏幕，在相对较宽的视野内提供具有预定散射特性的高效率和均匀的照明。这是通过在明胶膜内存在对应于其中记录的某种三维干涉图案的散射图案来实现的。这种一定的干涉图形是由于明胶膜的光敏化之后，通过已经通过具有给定横截面积的扩散介质的基本上相干的光而形成明胶膜，该扩散介质与膜隔开给定的距离，随后开发通过包括在浸渍之后快速干燥膜的方法，曝光的膜。

22. 发明授权

US3616278A Method for making a cylindrical film screen 失效
标题翻译：制作圆柱形薄膜的方法
公开(公告)号：US3616278A
公开(公告)日：1971-10-26
申请号：US3616278D
申请日：1968-07-26
申请人： STORK AMSTERDAM
发明人： JANSEN LODEWIJK
IPC分类号： B41C1/14 , C25D1/08 , C25D1/10 , C25F3/14 , G03F5/12 , G03F7/12 , C23B7/00 , C23B7/02
CPC分类号： B41C1/142 , C25D1/08 , C25D1/10 , C25F3/14 , G03F5/12 , G03F7/12
摘要： Starting with an apertured cylindrical matrix an electrically insulating material is applied over the matrix to close the matrix apertures. A layer of metal is then deposited electrically on the matrix to form a metal film screen. A layer of transparent plastic material is then applied onto the metal film screen and the film screen of metal and transparent plastic is then removed from the matrix. The starting matrix may be expanded by mandrel or the like prior to the closing of the matrix openings and to carrying out the other steps and the outer diameter of the matrix is then reduced prior to removing the film screen therefrom. The starting cylindrical matrix may also comprise a thin-walled apertured sleeve which is deformed into a kidney-shaped section to reduce its outer diameter prior to removing the film screen therefrom.

23. 发明授权

US3332775A Method for the photographic production of an original for printing purposes with the aid of a line screen 失效
标题翻译：借助于线路画面，用于印刷目的的原件的照相制作方法
公开(公告)号：US3332775A
公开(公告)日：1967-07-25
申请号：US40795364
申请日：1964-10-26
申请人： INTERDIA G M B H
发明人： RUDOLF MANDLER
IPC分类号： G03F5/12
CPC分类号： G03F5/12

24. 发明授权

US2719790A Halftone screen 失效
标题翻译：半色调屏幕
公开(公告)号：US2719790A
公开(公告)日：1955-10-04
申请号：US25617351
申请日：1951-11-14
申请人： STICHTING INST VOOR GRAFISCHE
发明人： MONROY JOHAN F
IPC分类号： G03F5/12
CPC分类号： G03F5/12

25. 发明授权

US2468680A Halftone screen for use in the 失效
公开(公告)号：US2468680A
公开(公告)日：1949-04-26
申请号：US3679448
申请日：1948-07-02
IPC分类号： G03F5/12
CPC分类号： G03F5/12

26. 发明授权

US1887872A Lensic screen 失效
标题翻译：镜头屏幕
公开(公告)号：US1887872A
公开(公告)日：1932-11-15
申请号：US19984227
申请日：1927-06-18
申请人： FULL TONE PROCESS COMPANY
发明人： ERNST VICTOR C
IPC分类号： G03F5/12
CPC分类号： G03F5/12

27. 发明授权

US1710303A Method of producing photographic-process screens 失效
标题翻译：制作摄影画面的方法
公开(公告)号：US1710303A
公开(公告)日：1929-04-23
申请号：US61279723
申请日：1923-01-15
申请人： HERMAN EWALD
发明人： HERMAN EWALD
IPC分类号： G03F5/12
CPC分类号： G03F5/12

28. 发明授权

US1374813A Half-tone screen 失效
标题翻译：半色调屏幕
公开(公告)号：US1374813A
公开(公告)日：1921-04-12
申请号：US1725115
申请日：1915-03-26
申请人： BRASSEUR CHARLES L A
发明人： BRASSEUR CHARLES L A
IPC分类号： B41M1/14 , G03F5/12
CPC分类号： B41M1/14 , G03F5/12

29. 发明授权

US4659113A Method of screening half-tone picture themes 失效
标题翻译：筛选半色调图片主题的方法
公开(公告)号：US4659113A
公开(公告)日：1987-04-21
申请号：US760348
申请日：1985-07-29
申请人： Hans Muller , Stefan May
发明人： Hans Muller , Stefan May
IPC分类号： B41M3/14 , B42D15/00 , B42D15/10 , B44F1/12 , G03F5/10 , G03F5/12 , G03F5/14 , G03F5/20 , H04N1/23 , H04N1/405
CPC分类号： G03F5/14 , B41M3/14 , B42D25/00 , B42D25/29 , B42D25/405 , B42D25/41 , B42D25/42 , G03F5/10 , G03F5/12 , G03F5/20 , H04N1/23 , H04N1/405 , B42D2033/14 , B42D2033/20 , B42D2035/02 , B42D2035/14 , B42D2035/16 , B42D2035/26 , B42D25/485 , Y10S283/901
摘要： A method of screening half-tone picture themes, in which the gray tones of the half-tone picture theme are reproduced by changes in the structural width of a basic screen structure having any desired form. The assignment of a gray tone area of the half-tone picture theme to the screen structure width reproducing this gray tone area may be selectively determined. In a photographic version of the inventive method (FIG. 1), a basic screen structure 1 of any form is prepared and used to produce broadening screen structures as negative films 9,11. The same number of tone separations 20,22 is produced as negative films from the picture theme 13 to be screened, each of which tone separations reproduces a certain gray tone area of the half-tone picture theme which can be adjusted by the exposure time. Tone separations 22,20 are consecutively exposed onto a line material 24 with the broadening screen structures 9,11 respectively assigned to them, the line material then reproducing the screened picture theme in such a way that the gray tone parts determined by the tone separation are reproduced locally by the screen structure width assigned to it. There are several photographic and EDP/scanner/laser variants of this method suitable for screening half-tone picture themes, producing screened printing originals and printing data carriers with this kind of screened picture theme.
摘要翻译： PCT No.PCT / DE82 / 00158 Sec。 371日期1983年3月30日 102（e）1983年3月30日PCT PCT。1982年7月29日PCT公布。出版物WO83 / 00570 日期：1983年2月17日。一种筛选半色调图片主题的方法，其中通过改变具有任何所需形式的基本屏幕结构的结构宽度来再现半色调图片主题的灰色调。可以选择性地确定将半色调图片主题的灰色调区域分配给再现该灰色调区域的屏幕结构宽度。在本发明方法（图1）的照相版本中，制备任何形式的基本屏幕结构1，并用于产生作为负片9,11的增宽屏幕结构。产生相同数目的色调20,22作为要被屏蔽的图片主题13的负片，其中每个色调再现可以通过曝光时间调节的半色调图片主题的特定灰色区域。色调分离22,20连续地暴露在线条材料24上，其中扩展的屏幕结构9,11分别被分配给它们，线材然后再现被筛选的图片主题，使得由色调分离确定的灰色部分是通过分配给它的屏幕结构宽度本地再现。这种方法有几种摄影和EDP /扫描仪/激光变体，适用于筛选半色调图片主题，使用这种屏幕截图主题生成屏幕打印原件和打印数据载体。

30. 发明授权

US4114982A Screens suitable for use in photo-engraving and photo-lithographic processes and in color television 失效
标题翻译：适用于照相雕刻和光刻工艺和彩色电视的屏幕
公开(公告)号：US4114982A
公开(公告)日：1978-09-19
申请号：US677154
申请日：1976-04-15
申请人： Raymond Buckley
发明人： Raymond Buckley
IPC分类号： G03F5/12 , H01J9/227 , G03B21/60
CPC分类号： H01J9/2273 , G03F5/12
摘要： This invention is concerned with light transmitting screens which can be used in printing of half-tone illustrations such as photographs and in color television. The screen is formed on one face with a plurality of projections or depressions which so adjoin one another that the face is free of interstices, light incident on the contoured surface so formed being refracted as it passes through the screen to break up the image being transmitted into a pattern of dots. For use in color television, the projections or depressions are defined as triangular pyramids whose surfaces are subtended from their bases at different angles to be in sympathy with the wavelengths of the different colors being transmitted.
摘要翻译：本发明涉及可用于打印诸如照片和彩色电视之类的半色调插图的光传输屏幕。屏幕在一个面上形成有多个突起或凹陷，这些突起或凹陷彼此相邻，使得该面没有间隙，入射在形成的轮廓表面上的光在其通过屏幕时被折射，以破坏被传输的图像成为点阵图案。为了在彩色电视中使用，突起或凹陷被定义为三角锥体，其三角锥体的表面从其基部以不同的角度对准，以与传播的不同颜色的波长相同。

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