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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Vitarama Corp
Original Assignee
Vitarama Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vitarama CorpfiledCriticalVitarama Corp
Priority to ES215509ApriorityCriticalpatent/ES215509A1/en
Publication of ES215509A1publicationCriticalpatent/ES215509A1/en
Projection apparatus suitable for projection of an image on a screen next to another projected image or other similar projection apparatus, such that the relative intensities of illumination of the adjacent parts of the two images are critical, characterized by the arrangement of a grid member in the path of light rays from the light source to the transparent image being projected, the grid member being able to rotate around an axis that extends transversely to the light rays and intercepts variable amounts of light as its angular position is changed. (Machine-translation by Google Translate, not legally binding)
ES215509A1954-05-221954-05-22A projector apparatus (Machine-translation by Google Translate, not legally binding)
ExpiredES215509A1
(en)
Procedure for the projection of fixed real images, on other variables of a cinematographic type (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)
Optical projector apparatus for the establishment of routes, itineraries and geographical location (Machine-translation by Google Translate, not legally binding)
Cinematºgrafo of toy to see to the light or projected on the screen, films photographic or of drawings (Machine-translation by Google Translate, not legally binding)