Leerablauf
English translation: run-down function
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| 21:49 Jan 8, 2014 |
| German to English translations [PRO] Tech/Engineering - Photography/Imaging (& Graphic Arts) / Cine camera specifications | |||||||
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|  Selected response from: Yorkshireman Germany Local time: 12:27 | ||||||
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| 2 +1 | run-down function/idle (idling) function |
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| Leerablauf |
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| Example |
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| Discussion entries: 8 | |
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Answers
12 hrs confidence: 
peer agreement (net): +1
peer agreement (net): +1run-down function/idle (idling) function Explanation: Other research reveals that this could be in combination with disengaging a clutch of some kind (declutching?) to separate the spring motor from the film transport mechanism. To completely wind down the spring, the idler gear can be depressed with a screwdriver to allow the spring to keep turning until there is no driving force left. "Idler gear" seems to point to the motor being disconnected - idling in the case of car engines is when the motor is turning over and not driving anything. -------------------------------------------------- Note added at 12 hrs (2014-01-09 10:12:03 GMT) -------------------------------------------------- How about: motor disengage and run-down function |
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Reference comments
1 hr |
| Reference: Leerablauf Reference information: A short explanation of "Leerablauf" in relation to a Siemens cinematic camera (see the linked document) says this: "Die Kamera (Ausführung B) besitzt außerdem eine Vorrichtung zum Leerablauf, die man benutzt, um das Federwerk zu schonen, wenn die Aufnahme beendet ist." I suppose this is a mode of advancing the film towards the receiving reel without forcing it through the recording/exposure position. I imagine what I have in my old reel tape recorder (vintage ~1972) for fast advance, where the tape is not pressed against the playing/recording head during that advance but it pulled freely by the motor turning the receiving reel. Sorry, I don't have a translation for you. -------------------------------------------------- Note added at 1 hr (2014-01-08 23:17:31 GMT) -------------------------------------------------- Actually, my supposition is wrong. Here is a link to the full manual (a scanned PDF, so not digitally searchable): http://www.olafs-16mm-kino.de/Anleitungen/Siemens Anleitung ... and the answer is on page 25. "Leerablauf" releases the spring mechanism while leaving the film in position, so the camera can be stored with a partially used film in it and the spring system not under tension. Reference: http://digital.slub-dresden.de/fileadmin/data/392751569-1932... |
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9 hrs |
| Reference: Example Reference information: As so often, there's not necessarily a snappy abstract noun in English; it means you can 'run down the spring' - here at the end of the description under this link. I remember the old half-frame Ricoh (still) camera also had a spring drive, and owners were advised to 'run down the spring' before putting the camera away Reference: http://www.bolexcollector.com/cameras/h16reflex.html |
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