AT72348B - Process for making the so-called rain streaks on film invisible. - Google Patents
Process for making the so-called rain streaks on film invisible.Info
- Publication number
- AT72348B AT72348B AT72348DA AT72348B AT 72348 B AT72348 B AT 72348B AT 72348D A AT72348D A AT 72348DA AT 72348 B AT72348 B AT 72348B
- Authority
- AT
- Austria
- Prior art keywords
- making
- film
- invisible
- rain streaks
- called rain
- Prior art date
Links
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Description
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Verfahren zum Unsichtbarmachen der sogenannten Regenstreifen auf Films.
Die Erfindung betrifft ein Verfahren und ein Mittel, um die sogenannten Regenstreifen auf Films ganz oder im wesentlichen für die Dauer der Vorführung unsichtbar zu machen.
Die bisher zu diesem Zweck vorgeschlagenen Mittel, wie insbesondere fette Öle, lassen zwar eine zufriedenstellende technische Wirkung erzielen, es zeigen sich jedoch bei ihrem Gebrauch gewisse Missstände, insbesondere dadurch, dass die dauernd mit den genannten Fettstoffen in Berührung bleibenden Films allmählich verstauben und verschmieren. dass sie infolgedessen wiederholt gereinigt werden müssen und dass der Abrollmechamismus
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fettigen Ölbestandteile starke Flecken hinterliessen, wodurch die Beschaffenheit der Filmbilder nicht unwesentlich beeinträchtigt wurde.
Gemäss der Erfindung wird die Aufgabe, die Regenstreifen für die Dauer der Vor-
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Durch die Wahl einer leicht verdunstenden Flüssigkeit wird bezweckt, zu verhüten, dass auf dem vorgeführten Film nach der Projektion beim Wiederaufspulen auf der
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nahekommt, wird auf optischem Wege das Unsichtbarmachen der Regenstreifen vollkommen oder im wesentlichen erreicht. Zugleich wird die Helligkeit des Bildes gehoben, wodurch
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den halogenierten Kohlenwasserstoffn durchtränkt sind und zwischen denen der Film hindurchgeführt wird.
PATENT-ANSPRÜCHE:
1. Verfahren zum Unsichtbarmachen der sogenannten Kegenstreifen auf Films, dadurch gekennzeichnet, dass der Film während der Vorfuhrung mit einer Ipicht verdunstenden.
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for making the so-called rain streaks on film invisible.
The invention relates to a method and a means for making the so-called rain streaks on film completely or essentially invisible for the duration of the presentation.
The agents proposed so far for this purpose, such as fatty oils in particular, allow a satisfactory technical effect to be achieved, but there are certain deficiencies in their use, in particular because the film that is permanently in contact with the fatty substances mentioned gradually becomes dusty and smeared. that as a result they have to be cleaned repeatedly and that the unwinding mechanism
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greasy oil components left strong stains, which significantly impaired the quality of the film images.
According to the invention, the task is to keep the rain strips for the duration of the
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By choosing a liquid that evaporates easily, the aim is to prevent the film being shown from being rewound on the after projection
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comes close, the rendering of the rain strips completely or essentially invisible is achieved by optical means. At the same time, the brightness of the picture is raised, which
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the halogenated hydrocarbons are impregnated and between which the film is passed.
PATENT CLAIMS:
1. A method for making the so-called Kegen strips on film invisible, characterized in that the film evaporates with an Ipicht during the presentation.
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE72348X | 1914-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT72348B true AT72348B (en) | 1916-08-25 |
Family
ID=5636114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT72348D AT72348B (en) | 1914-02-19 | 1915-02-18 | Process for making the so-called rain streaks on film invisible. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT72348B (en) |
-
1915
- 1915-02-18 AT AT72348D patent/AT72348B/en active
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