cognitive radio concepts

Armstrong was a pioneer of radio engineering, credited as the inventor of FM radio. ... Introduced in Japan in 1979 and in the US the following year, the ... 1994: The Invention of Bluetooth. The origins of Bluetooth can be traced back as far as 1994 when Dr. Jaap Haartsen was tasked with finding short-range radio ... Car companies introduced FM car radios in 1963. In 1964, the FCC ordered that FM stations stop simulcasting and create original programming for FM broadcasting. Nikola Tesla—was a Serbian-. American inventor who discovered the basis for most alternating-current machinery. In 1884, a year after coming to the United ... In July 1986 Marconi made the first demonstration of his invention, the radio transmitter and receiver, for the British government. In December 1901, Marconi ... Inventor Trevor Baylis came up with a solution to this problem in 1996, when he introduced the world to the first ever hand-powered, wind-up radio. Mar 29, 2025 ... Where was radio invented? The first practical wireless radio ... Radio's early years. Reginald FessendenReginald ... Edwin Armstrong invented Frequency Modulation radio (FM radio) in 1933, but his employer, RCA, ignored and even boycotted the invention. FM radio vastly ... Jun 3, 2017 ... Commercial broadcasting didn't start until 1920, but the University of Wisconsin was experimenting with wireless transmission and in December ... ” He also invented the celebrity interview in the 1920s, emerging for a ... Vin Scully began his 67-year big league broadcasting career on April 18, 1950.