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Individual
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Individual
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Priority to ES0077032UpriorityCriticalpatent/ES77032Y/en
Publication of ES77032UpublicationCriticalpatent/ES77032U/en
Application grantedgrantedCritical
Publication of ES77032YpublicationCriticalpatent/ES77032Y/en
Viewing device, characterized in that it comprises a lens formed by a prism, preferably of triangular section, one of whose faces is flat and the other face concave and emptied into the body of the prism itself; the side faces of the lens are matted, in order to avoid light interferences. (Machine-translation by Google Translate, not legally binding)
Procedure to obtain the appearance of the relief in cinematographic projections with the optical devices applicable to the machines of seeing and projection and special screen for its application (Machine-translation by Google Translate, not legally binding)