AT137773B - Development bowl with umbrella. - Google Patents

Development bowl with umbrella.

Info

Publication number
AT137773B
AT137773B AT137773DA AT137773B AT 137773 B AT137773 B AT 137773B AT 137773D A AT137773D A AT 137773DA AT 137773 B AT137773 B AT 137773B
Authority
AT
Austria
Prior art keywords
development
tray
screen
umbrella
bowl
Prior art date
Application number
Other languages
German (de)
Inventor
Albert Dr Sachs
Original Assignee
Albert Dr Sachs
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 Albert Dr Sachs filed Critical Albert Dr Sachs
Application granted granted Critical
Publication of AT137773B publication Critical patent/AT137773B/en

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



    Entwicldungsschale   mit Schirm. 
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 beleuchtung viel stärker gehalten werden, als dies ansonsten zulässig wäre. Auf das Entwicklungsobjekt wirkt nur der oben beschriebene, quantitativ und zeitlich begrenzte Bruchteil dieser Beleuchtung ein. 



   PATENT-ANSPRÜCHE :
1. Entwicklungsschale, gekennzeichnet durch Anbringung eines die Platte bzw. den Film vor Lichteinwirkung schützenden Schirmes, der die Seitenwände der Schale überragt und auch die obere Öffnung der Schale mindestens teilweise überdeckt, wobei die Schutzwirkung durch eine Veränderung der Lage der Schale gegenüber der Lichtquelle ohne Veränderung der Lage des Schirmes gegenüber der Schale zum Zwecke der vorübergehenden Prüfung der Aufsicht oder Durchsicht aufgehoben werden kann.



   <Desc / Clms Page number 1>
 



    Development bowl with umbrella.
 EMI1.1
 

 <Desc / Clms Page number 2>

 lighting can be kept much stronger than would otherwise be permitted Only the quantitatively and temporally limited fraction of this lighting described above has an effect on the development object.



   PATENT CLAIMS:
1. Development tray, characterized by the attachment of a screen which protects the plate or the film from the action of light and which projects beyond the side walls of the tray and also at least partially covers the upper opening of the tray, the protective effect being achieved by changing the position of the tray relative to the light source without Change of the position of the screen in relation to the shell for the purpose of the temporary inspection of supervision or inspection can be canceled.

Claims (1)

2. Entwicklungsschale nach Anspruch 1, dadurch gekennzeichnet, dass der Schirm abnehmbar ist. 3. Entwicklungsschale nach Anspruch 2 mit einer in den Boden der Schale nach oben hineinragenden, durch eine Glasfalte gebildeten Höhlung, dadurch gekennzeichnet, dass der Schirm einen Vorsprung, z. B. einen Drahtbügel, besitzt, der in die Höhlung derart einschnappt, dass die Schale sodann in dem Schirm festsitzt. 2. Development tray according to claim 1, characterized in that the screen is removable. 3. Development tray according to claim 2 with a protruding into the bottom of the tray upwards, formed by a glass fold cavity, characterized in that the screen has a projection, for. B. has a wire hanger which snaps into the cavity in such a way that the shell is then stuck in the screen. 4. Entwicklungsschale nach Anspruch 1, 2 oder 3, gekennzeichnet durch Ergänzung des Schirmes unterhalb des Schalenbodens durch einen gegen den Boden der Schale zu-und wegklappbaren Spiegel, EMI2.1 und zeitlich auf jene Lichtmenge zu begrenzen, die über den Spiegel während der Dauer der Durchleuchtung bei Wegklappen desselben einfällt. EMI2.2 4. Development tray according to claim 1, 2 or 3, characterized by the addition of the screen below the tray bottom by a mirror that can be folded up and away from the bottom of the tray, EMI2.1 and to limit it in time to the amount of light that falls through the mirror during the duration of the fluoroscopy when it is folded away. EMI2.2
AT137773D 1933-04-11 1933-04-11 Development bowl with umbrella. AT137773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT137773T 1933-04-11

Publications (1)

Publication Number Publication Date
AT137773B true AT137773B (en) 1934-05-25

Family

ID=3639867

Family Applications (1)

Application Number Title Priority Date Filing Date
AT137773D AT137773B (en) 1933-04-11 1933-04-11 Development bowl with umbrella.

Country Status (1)

Country Link
AT (1) AT137773B (en)

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