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.)
Berkowitsch Isgur Jacques
Original Assignee
Berkowitsch Isgur Jacques
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 Berkowitsch Isgur JacquesfiledCriticalBerkowitsch Isgur Jacques
Priority to ES1972180718UpriorityCriticalpatent/ES180718Y/en
Publication of ES180718UpublicationCriticalpatent/ES180718U/en
Application grantedgrantedCritical
Publication of ES180718YpublicationCriticalpatent/ES180718Y/en
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Abstract
Projection apparatus for the illumination of pictures, essentially characterized in that it comprises the arrangement of a cylindrical general body, which in its upper part has an opening, partially covered by a separate fixed cover and which allows self-ventilation of the interior, the rear part of which has a detachable cover which involves a reflective parabolic mirror, located in correspondence with an interior light source, existing in the anterior part of the aforementioned general body a convex lens, which directs the light source towards another lens provided inside an adaptable telescopic tube and whose separation establishes selectively the required focal length. (Machine-translation by Google Translate, not legally binding)
ES1972180718U1972-05-231972-05-23
PROJECTOR APPARATUS FOR PICTURES ILLUMINATION.
ExpiredES180718Y
(en)