Fax the radio using this process. The Western Union "Deskfax" fax machine, announced in 1948, was a compact machine that fit comfortably on a desktop, using special spark printer paper. As a designer for the Radio Corporation of America (RCA), in 1924, Richard H. Ranger invented the wireless photoradiogram, or transoceanic radio facsimile, the forerunner of today’s "fax" machines. A photograph of President Calvin Coolidge sent from New York to London on November 29, 1924, became the first photo picture reproduced by transoceanic radio facsimile. Commercial use of Ranger’s product began two years later. Also in 1924, Herbert E. Ives of
Registered fax Registered fax The technical process called as a whole hereinafter "registered fax" (« fax recommandé » in French) consists in sending an electronic document by fax where both the content is certified and the delivery to the recipient is guaranteed. <br> It serves the purpose of creating legal evidence that unalterable information has been shared between the sender and the receiver of the registered fax. The functional principle is as follows: - After the document to be sent is converted into a multiple page image in fax format, this image is time stamped.<br> - A final page is added to