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.)
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Alchemika SA
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Alchemika SA
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Publication date
Application filed by Alchemika SAfiledCriticalAlchemika SA
Priority to ES1972182871UpriorityCriticalpatent/ES182871Y/en
Publication of ES182871UpublicationCriticalpatent/ES182871U/en
Application grantedgrantedCritical
Publication of ES182871YpublicationCriticalpatent/ES182871Y/en
Cinematographic toy projector, characterized essentially by the fact that it comprises a film drive wheel, driven by a conventional device, provided with a series of tines spaced according to the driving holes of the tape, which is of the type endless, whose two branches are engaged on both sides of the wheel, while one end of the loop of the tape passes through guides located in front of the light source, at the exit of which is a fixed tooth, against which is the tape is maintained by a mobile stop, pushed elastically against the tape and yielding to the traction of the same, allowing the advance frame by frame. (Machine-translation by Google Translate, not legally binding)
ES1972182871U1972-07-061972-07-06
TOY CINEMATOGRAPHIC PROJECTOR.
ExpiredES182871Y
(en)
Film position detector for camera or projector - uses extra perforations or exposed marks for detection by light emitter and photodiode on passage through gate
Improvements introduced in the drivers of great power with tape sinfin flat formed by spirals (Machine-translation by Google Translate, not legally binding)