AT50111B - Copier for artificial light, in particular for photographic and blueprint purposes. - Google Patents

Copier for artificial light, in particular for photographic and blueprint purposes.

Info

Publication number
AT50111B
AT50111B AT50111DA AT50111B AT 50111 B AT50111 B AT 50111B AT 50111D A AT50111D A AT 50111DA AT 50111 B AT50111 B AT 50111B
Authority
AT
Austria
Prior art keywords
copier
blueprint
photographic
purposes
lamp
Prior art date
Application number
Other languages
German (de)
Inventor
Richard Candidus Walker
Original Assignee
Richard Candidus Walker
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
Application filed by Richard Candidus Walker filed Critical Richard Candidus Walker
Application granted granted Critical
Publication of AT50111B publication Critical patent/AT50111B/en

Links

Landscapes

  • Light Sources And Details Of Projection-Printing Devices (AREA)

Description

  

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Das Negativ wird bei geöffnetem Deckel unter Beleuchtung der    Arbitslampe,'auf,   den   Kopierralmen   3 gelegt, auf dieses gelangt sodann das Kopierpapier bezw. Platte oder Film,   welches durch Schliessen des Deckels auf das Negati gedrückt wird. Nun erfolgt die Belichtung in der oben geschilderten Weise, und zwar 8C ?' lange, als der Deckel niedergedrückt wird. Der   Deckel 5 kann für Films auch zwei- oder mehrteilig gemacht werden, er kann aber auch die an   sich bekannten Schieber zum Kopieren von Stereoskopbildern enthalten, für deren Anfertigung dieser Apparat besonders geeignet ist, weil er bei entsprechender Belichtung gleiche Bilddichte   beider Teile gewährleistet. 



   Durch den vorbeschriebenen ausserordentlich leistungsfähigen Apparat entfällt das lästige Einspannen der Negative in die Rahmen. Die Belichtungsdauer ist vollkommen kontrollierbar und leicht zu ermitteln, da alle Faktoren, wie z. B. der Abstand des Negativs von der Lichtquelle, ferner die Lichtquelle selbst, konstante sind.



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With the lid open, the negative is placed on the copier bars 3, while the work lamp is illuminated. Plate or film, which is pressed onto the negative by closing the lid. The exposure then takes place in the manner described above, namely 8C? ' long as the lid is pressed down. The cover 5 can also be made in two or more parts for film, but it can also contain the known slider for copying stereoscopic images, for the production of which this apparatus is particularly suitable because it ensures the same image density of both parts with appropriate exposure.



   The extremely powerful apparatus described above eliminates the annoyance of clamping the negatives in the frame. The exposure time is completely controllable and easy to determine, as all factors such as B. the distance of the negative from the light source, furthermore the light source itself, are constant.

Claims (1)

PATENT-ANSPRUCH : Kopierapparat für künstliche Lichtquellen, insbesondere für photographische und Lichtpauszwecke, gekennzeichnet durch einen mit einer Arbeitslampe (6) und einer Belichtunglampe (7) versehenen, durch einen Deckel (5) abschliessbaren, mit Kopierrahmen (3) versehenen Kasten (1), bei welchem durch blosses Niederdrücken des Deckels der Umschaltkontakt selbsttätig von der Arbeitslampe (6) auf die Belichtungslampe (7) erfolgt, die Belichtungszeit von der Dauer des Niederdrückens des Deckels abhängt, während durch Aufhebung des Druckes das selbsttätige Umschalten von der Belichtungslampe auf die Arbcitslampe erfolgt, wobei die Wirkung des EMI2.1 PATENT CLAIM: Copier for artificial light sources, in particular for photographic and blueprint purposes, characterized by a box (1) provided with a work lamp (6) and an exposure lamp (7), lockable by a cover (5) and provided with a copying frame (3) , in which the changeover contact takes place automatically from the work lamp (6) to the exposure lamp (7) by simply pressing down the cover, the exposure time depends on the duration of the pressing down of the cover, while the automatic switchover from the exposure lamp to the work lamp by releasing the pressure takes place, the effect of the EMI2.1
AT50111D 1910-12-28 1910-12-28 Copier for artificial light, in particular for photographic and blueprint purposes. AT50111B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT50111T 1910-12-28

Publications (1)

Publication Number Publication Date
AT50111B true AT50111B (en) 1911-10-10

Family

ID=3570912

Family Applications (1)

Application Number Title Priority Date Filing Date
AT50111D AT50111B (en) 1910-12-28 1910-12-28 Copier for artificial light, in particular for photographic and blueprint purposes.

Country Status (1)

Country Link
AT (1) AT50111B (en)

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