Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments (included in this class); apparatus and systems constructed there from for recording, transmission, processing and/or reproduction of analog and/or digital image signals and/or analog and/or digital sound signals and/or data, including all the aforesaid apparatus for connection to the Internet (included i...