a detailed examination of significant patents related to early radio technology and the legal battles surrounding them

Aug 3, 2023 ... He used a spark gap attached to an induction coil and a separate spark gap on a receiving antenna. When waves created by the sparks of the coil ... 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 ... Aug 7, 2023 ... KDAY became the country's first radio station to play hip-hop on a full-time basis. In addition to programming the more established East Coast ... NIHF Inductee Guglielmo Marconi invented the radio by building equipment to transmit electrical signals through the air from one end of his house to the ... Jun 15, 2020 ... On this day in 1920, the first wireless radio broadcast in the UK took place, conducted by Guglielmo Marconi. Chelmsford wanderings. Tesla actually invented the idea of radio in 1892 — not too long after Heinrich Hertz demonstrated UHF spark wireless transmissions in Germany in 1885. In 1898, ... The police officer will receive this either on a PC based police radio or a mobile data computer located in their car. ... The next year the Federal ... 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 ... Invented by Al Gross in 1945, the CB radio originally served as a method ... radio in the U.S. after 60 years. Cobra has also played a significant role ... American icons, learn more about the Radio City Rockettes and the nearly 100 years of history behind this dance company ... Two brand-new numbers are introduced ...