DE1720999U - SCALE ARRANGEMENT FOR LIGHT METERS OF SMALL DIMENSIONS, ESPECIALLY FOR INSTALLATION PURPOSES. - Google Patents
SCALE ARRANGEMENT FOR LIGHT METERS OF SMALL DIMENSIONS, ESPECIALLY FOR INSTALLATION PURPOSES.Info
- Publication number
- DE1720999U DE1720999U DED11718U DED0011718U DE1720999U DE 1720999 U DE1720999 U DE 1720999U DE D11718 U DED11718 U DE D11718U DE D0011718 U DED0011718 U DE D0011718U DE 1720999 U DE1720999 U DE 1720999U
- Authority
- DE
- Germany
- Prior art keywords
- light
- aperture
- light meters
- small dimensions
- scale
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C17/00—Indicating the time optically by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Exposure Control For Cameras (AREA)
Description
42h 17/03. 1720 999. Josef Dorn, Neustadt an der Weinstraße. | Skalenanord- je ipo „.-,. nung für Belichtungsmesser kkiner Ab- *0·""· ISS messungen, besonders für Einbauzwecke 28. 1.56. D 11718. (T. 2; Z. 1) 42h 17/03. 1720 999. Josef Dorn, Neustadt an der Weinstrasse. | Scale arrangement- per ipo ".- ,. Use for light meters with smaller dimensions * 0 · "" · ISS measurements, especially for installation purposes 28.1.56. D 11718. (T. 2; line 1)
Ing. Josef Dorn, Neustadt/Wstr. " ■— Ing.Josef Dorn, Neustadt / Wstr. "■ -
Skalenanordnung für Belichtungsmesser kleiner Abmessungen, besonders für Einbauzwecke.Scale arrangement for light meters of small dimensions, especially for installation purposes.
Skalen von elektrischen Belichtungsmessern erlauben die Einstellung und Ablesung von Filmempfindlichkeit, Blendenwerten, Belichtungszeiten und Lichtwerten. Es würde jedoch genügen, entweder Blende und Belichtungszeit oder nur Lichtwert auf den Belichtungsmesser aufzutragen. Zur Vereinfachung in der Lagerhaltung hat man jedoch vorgezogen, sämtliche Werte anzu-Electric light meter scales allow adjustment and reading of film speed, aperture values, Exposure times and light values. However, it would suffice to set either aperture and exposure time or just light value on to apply the light meter. However, to simplify storage, it was preferred to use all values.
man geben. Ein Nachteil besteht darin, dass die Ablesezahlen recht klein machen muss, da sie sonst nicht auf den Umfang aufgetragen werden können und dadurch der Belichtungsmesser an Übersichtlichkeit sehr verliert.to give. One disadvantage is that the readings are right has to make them small, otherwise they cannot be applied to the circumference and thus the light meter for clarity very loses.
Sinn nachstehender Erfindung ist es, diesem Übelstand abzuhelfen. Da man bei der Handhabung entweder Blende und Belichtungs-The purpose of the following invention is to remedy this drawback. Since you have to use either aperture and exposure
ι zeit oder nur Lichtwerte benötigt wird vorgeschlagen, die Skalenscheiben so anzubringen, dass bei der Benutzung der Lichtwertskala die Belichtungezeitskala durch erstere abgedeckt wird. Des weiteren bei Benutzung von Blende und Belichtungszeit die Lichtwertskala sich aus dem Ablesefeld dreht. Um das Gerät noch universeller zu gestalten ist ausserdem eine weitere Blendenskala aufgetragen, die auch für Schmalfilmgeräte nach Einstellung der Gangzahl direkte Ablesung der Blende erlaubt.ι time or only light values needed is suggested, the dial discs to be attached in such a way that when the light value scale is used, the exposure time scale is covered by the former. Of Furthermore, when using aperture and exposure time, the light value scale rotates out of the reading field. To make the device even more universal Another aperture scale has to be applied, which can also be used for narrow-film devices after setting the number of turns direct reading of the aperture allowed.
Figur 1 zeigt die Einstellung bei Ablesung von Blende und Belichtungszeit. Die schwarze Markierungsnase (Blende β) wird auf die angezeigte Belichtungszeit (in Abb.) 1/5 gestellt. Für jede Blende lässt sich jetzt sofort die richtige Belichtungszeit ermitteln, z.B. Blende 8 - I/5, Blende 5,6 «= l/lO, Blende k - 1/25 usw. FiguB 2 zeigt die Lichtwertablesung. Die oberste Skalenscheibe stellt man nun mit der schwarzen Markierungsnase auf die Bezeichnung LW. Dabei verschwinden die Belichtungszeiten und an ihre Stelle treten die Lichtwerte. Dreht man die Markinrungsnase weiter auf die Cine-Gangzahlen, z.B. 6h, so steht neben der Lichtwertzahl die richtige Blende für die eingestellte Gangzahl.FIG. 1 shows the setting when reading the aperture and exposure time. The black marking nose (aperture β) is set to the displayed exposure time (in Fig.) 1/5. The correct exposure time can now be determined immediately for each aperture, eg aperture 8 - I / 5, aperture 5.6 «= 1/10, aperture k - 1/25, etc. Fig. 2 shows the light value reading. The top dial is now set with the black marking nose on the designation LW. The exposure times disappear and the light values take their place. If you turn the marking nose further to the number of cine gears, e.g. 6h, the correct aperture for the set number of gears appears next to the light value number.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED11718U DE1720999U (en) | 1956-01-28 | 1956-01-28 | SCALE ARRANGEMENT FOR LIGHT METERS OF SMALL DIMENSIONS, ESPECIALLY FOR INSTALLATION PURPOSES. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED11718U DE1720999U (en) | 1956-01-28 | 1956-01-28 | SCALE ARRANGEMENT FOR LIGHT METERS OF SMALL DIMENSIONS, ESPECIALLY FOR INSTALLATION PURPOSES. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1720999U true DE1720999U (en) | 1956-04-26 |
Family
ID=32662176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED11718U Expired DE1720999U (en) | 1956-01-28 | 1956-01-28 | SCALE ARRANGEMENT FOR LIGHT METERS OF SMALL DIMENSIONS, ESPECIALLY FOR INSTALLATION PURPOSES. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1720999U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1288810B (en) * | 1965-10-23 | 1969-02-06 | Koch Carl | Scale arrangement for photographic light meters |
-
1956
- 1956-01-28 DE DED11718U patent/DE1720999U/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1288810B (en) * | 1965-10-23 | 1969-02-06 | Koch Carl | Scale arrangement for photographic light meters |
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