Šablon:quote-us-patent

1920 decembar 21, Charles White, Carrier-wave Signaling System, US Patent 1,480,235 , page 1, column 1:

This invention relates to carrier wave signaling systems and more particularly to systems of multiplex telephony employing carrier waves wherein such carrier waves of distinctive frequencies are normally impressed upon the transmission medium. Such medium may comprise any of the natural media employed in radio transmission or a conductive transmission line of any kind.

---

Ovom šablonu nedostaje dokumentaciona podstrana. Molim kreirajte je.

Korisne veze: subpage list • veze • preusmerenja • transclusions • greške (parser/modul) • pesak