ES233389A3 - Perfections in the lenses for cinematographic extension projection horizontal (Machine-translation by Google Translate, not legally binding)
- Google Patents
Perfections in the lenses for cinematographic extension projection horizontal (Machine-translation by Google Translate, not legally binding)
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Gabaldon Velasco Manuel
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Gabaldon Velasco Manuel
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Priority to ES233389ApriorityCriticalpatent/ES233389A3/en
Publication of ES233389A3publicationCriticalpatent/ES233389A3/en
A refinement in the lenses for cinematographic projection, characterized in that, starting from a normal objective of the ordinary projector, as a basic lens, an amorphous lens (corrector) is placed at a convenient distance, causing the ray of light passing through the corrective lens to make the beam cone increase to double horizontally. (Machine-translation by Google Translate, not legally binding)
ES233389A1957-02-011957-02-01Perfections in the lenses for cinematographic extension projection horizontal (Machine-translation by Google Translate, not legally binding)
ExpiredES233389A3
(en)
A comprehensive photographic, cinematographic and television system projected on lenticulated screens (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of fixed view projectors for opaque and transparent bodies (Machine-translation by Google Translate, not legally binding)