Charles Cros [SEP] place of death
sound, an invention he named the Paleophone.
Charles Cros died in Paris at the age of 45.
Inventions.
In 1860 Cros began studies in medicine, but he soon abandoned them for a life of literary and scientific pursuits. In 1869 he published a theory of color photography in which he proposed that a single scene could be photographed through glass filters colored green, violet, and orange. The three negatives obtained through those filters could be developed to produce positive impressions that contained varying amounts of red, yellow
, the appearance of light with three electrodes of the American DeForest came to revolutionize the technique of TSF and Carpentier was in charge of introducing the results of electrical measuring instruments and radio when his death suddenly stopped the course of their work.
Photography.
Jules Carpentier worked closely with Charles Cros in a process he had invented in 1869 by color photography. In 1885, informed the Academy of Sciences of project definition, classification and annotation color.
Carpentier approaches the construction of a photographic apparatus in 1890, creating a photographic