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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAVARET PHOTO PRODUCTEN NV
Original Assignee
GAVARET PHOTO PRODUCTEN NV
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 GAVARET PHOTO PRODUCTEN NVfiledCriticalGAVARET PHOTO PRODUCTEN NV
Priority to ES0007597UpriorityCriticalpatent/ES7597Y/en
Publication of ES7597UpublicationCriticalpatent/ES7597U/en
Application grantedgrantedCritical
Publication of ES7597YpublicationCriticalpatent/ES7597Y/en
Light Sources And Details Of Projection-Printing Devices
(AREA)
Facsimile Scanning Arrangements
(AREA)
Abstract
Device for the uniform illumination of a surface, for example, in apparatus for the photographic reproduction of documents characterized by the fact that said uniform illumination is obtained by light sources arranged laterally below the surface to be illuminated and hidden in such a way that the illumination obtained is composed of the sum of a direct illumination and an indirect illumination the first produced directly by the projection of the light from the light sources approximately on the two thirds furthest from the surface to be illuminated and the second resulting from the indirect illumination produced by the diffusion gives light from those same sources on the walls and on the background. (Machine-translation by Google Translate, not legally binding)
ES0007597U1942-06-251942-06-25
Device for uniform illumination of a surface.
ExpiredES7597Y
(en)
Device for the suppression of photocell exciter lamp in the reproduction of film film sound. (Machine-translation by Google Translate, not legally binding)
High performance positive wick charcoal from beck effect arc lamps for projectors and film projection lamps (Machine-translation by Google Translate, not legally binding)
Procedure for the projection of fixed real images, on other variables of a cinematographic type (Machine-translation by Google Translate, not legally binding)
A procedure to allow to give personality to a printed or reproduced document in various copies (Machine-translation by Google Translate, not legally binding)
A light amplifier device applicable to lamps of any voltage, electrical format in general to all incandescent light lamps (Machine-translation by Google Translate, not legally binding)