DE394999C - Photographic shutter - Google Patents
Photographic shutterInfo
- Publication number
- DE394999C DE394999C DEO13158D DEO0013158D DE394999C DE 394999 C DE394999 C DE 394999C DE O13158 D DEO13158 D DE O13158D DE O0013158 D DEO0013158 D DE O0013158D DE 394999 C DE394999 C DE 394999C
- Authority
- DE
- Germany
- Prior art keywords
- drive lever
- shutter
- closure
- photographic shutter
- armature
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/64—Mechanism for delaying opening of shutter
Description
BibliotheekBibliotheek
Bur. Ind. EigendomBur. Ind. Self-dom
v. 2 AUG. 1924v. 2 AUG. 1924
AUSGEGEBEN
AM 2. MAl 1924ISSUED
ON MAY 2, 1924
REICHSPATENTAMTREICH PATENT OFFICE
PATENTSCHRIFTPATENT LETTERING
KLASSE 57a GRUPPE 32 (013158 νΐ\$ηα?) CLASS 57a GROUP 32 (013158 νΐ \ $ ηα?)
Optische Anstalt C. P. Goerz Akt-Ges. in Beriin-Friedenau.Optical institute C. P. Goerz Akt-Ges. in Beriin-Friedenau.
Photographischer Verschluß. Patentiert im Deutschen Reiche vom 22. Juli 1922 ab. Photographic shutter. Patented in the German Empire on July 22, 1922.
Die Erfindung bezieht sich auf einen nach beiden Seiten wirkenden photographischen Verschluß, bei dem unabhängig von der Richtung, in welcher der Verschluß arbeitet, zunächst die Öffnung freigelegt und dann wieder verschlossen wird.The invention relates to a bi-directional photographic Shutter, in which regardless of the direction in which the shutter works, initially the opening is exposed and then closed again.
Die Erfindung bezweckt eine - solche Ausbildung von Verschlüssen dieser Art, daß der \rerschluß bei jedesmaliger Betätigung selbsttätig wieder in die Bereitschaftsstellung gelangt, so daß es zu erneuter Betätigung nichts anderes als einer bloßen Auslösung bedarf, an welche sich unmittelbar der Ablauf des Verschlusses anschließt. Das ist insbesondere dann von Wichtigkeit, wenn man mit dem Verschluß unter Bedingungen arbeiten will, bei denen es entscheidend darauf ankommt, daß man den Zeitpunkt einer Aufnahme unbedingt beherrscht, wie es z. B. bei Aufnahmen für lufttopographische Zwecke der Fall ist.The invention aims a - such training of closures of this kind is that the \ r Closure with each repeated operation passes automatically returns to the standby position, so that there is nothing else needs to be pressed again, as a mere release, to which immediately followed by the sequence of the closure . This is especially important if you want to work with the shutter under conditions in which it is crucial that you absolutely master the time of a recording, as it is, for. B. is the case with recordings for aerial topographical purposes.
Für diese Zwecke genügt es nicht, daß der Verschluß überhaupt die Fähigkeit hat, nach beiden Seiten zu arbeiten, sondern es muß auch jede Verzögerung in der Einleitung der Verschlußbewegung bei der jedesmaligen Betätigung vermieden \verden. In diesem Punkt unterscheidet sich der Verschluß der vorliegenden Erfindung von vorbekannten, nach entgegengesetzten Richtungen arbeitenden Verschlüssen. For these purposes it is not enough that the lock has the ability to move both sides to work, but there must also be any delay in initiating the shutter movement avoided every time it is activated. In this point the closure of the present invention differs from previously known, to opposite Directions working locks.
Die Erfindungszwecke werden dadurch erreicht, daß das .Antriebsorgan oder der Antriebshebel unmittelbar, d. h. ohne Vermittlung eines kraftaufspeichernden Zwischengliedes anThe purposes of the invention are achieved in that the .Antriebsorgan or the drive lever immediately, d. H. without the intermediary of a force-accumulating link
cias die Verschlußlamellen betätigende Glied (den Lamellenring) angreift, so daß die Verschlußbewegung ohne Leerlauf erfolgt und die Verschluß teile nach jedesmaligem Ablauf unmittelbar in die Bereitschaftsstellung für erneute Betätigung (ohne Leerlauf) in gegenläufiger Richtung gelangen. Der Antrieb erfolgt zweckmäßig auf elektromagnetischem Wege, indem man bei einem Lamellenverschluß ίο , das Lamellenantriebsorgan mit einem Magnetanker verbindet, der nach entgegengesetzten Seiten zu schwingen vermag.cias the shutter blades actuating member (the blade ring) engages, so that the shutter movement takes place without idling and the closure parts immediately after each expiration into the standby position for renewed actuation (without idling) in opposite directions Direction. The drive is expediently carried out in an electromagnetic way by using a lamella shutter ίο, the lamellar drive member connects with a magnet armature, which is opposite Can swing sides.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEO13158D DE394999C (en) | 1922-07-22 | 1922-07-22 | Photographic shutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEO13158D DE394999C (en) | 1922-07-22 | 1922-07-22 | Photographic shutter |
Publications (1)
Publication Number | Publication Date |
---|---|
DE394999C true DE394999C (en) | 1924-05-02 |
Family
ID=7353253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEO13158D Expired DE394999C (en) | 1922-07-22 | 1922-07-22 | Photographic shutter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE394999C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1141883B (en) * | 1958-07-08 | 1962-12-27 | Agfa Ag | Photographic circular slide fastener |
DE1147407B (en) * | 1959-10-21 | 1963-04-18 | Siemens Ag | Electromagnetically controlled shutter for the beam path of stationary devices for monitoring the heat radiation of moving bodies, in particular of the axle bearings of moving railway vehicles |
DE3525223A1 (en) * | 1984-08-10 | 1986-02-20 | Veb Pentacon Dresden Kamera- Und Kinowerke, Ddr 8021 Dresden | Electromagnetic shutter |
-
1922
- 1922-07-22 DE DEO13158D patent/DE394999C/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1141883B (en) * | 1958-07-08 | 1962-12-27 | Agfa Ag | Photographic circular slide fastener |
DE1147407B (en) * | 1959-10-21 | 1963-04-18 | Siemens Ag | Electromagnetically controlled shutter for the beam path of stationary devices for monitoring the heat radiation of moving bodies, in particular of the axle bearings of moving railway vehicles |
DE3525223A1 (en) * | 1984-08-10 | 1986-02-20 | Veb Pentacon Dresden Kamera- Und Kinowerke, Ddr 8021 Dresden | Electromagnetic shutter |
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