precursors to the radio

Not surprisingly, sales soared, as did radio listenership. In 1933, the VE301 accounted for about half of the total radio sales in Germany. The following year, ... The first laboratory demonstration took place on 23 December 1947. Bell publicly announced the new invention on 30 June 1948. At first the US military bought ... The walkie-talkie was first invented in 1937 by the Canadian Don Hings, with ... Hings created his portable radio signalling system when working for CM&S. Edwin Armstrong invented Frequency Modulation radio (FM radio) in 1933, but his employer, RCA, ignored and even boycotted the invention. FM radio vastly ... Mar 13, 2023 ... Back then, I was only into electronic – and especially Techno and industrial – music, which was impossible to find on the dial in Greece. When I ... 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 ... Jan 8, 2024 ... Radio Flyer was created in Chicago by Italian immigrant Antonio Pasin ... RELATED: Chicago's own Radio Flyer on a roll for 100 years. The ... Jan 28, 2019 ... Your gift today is more than a donation. It's a declaration that Colorado Public Radio matters. Donate Now · Politics · Money · Arts · Justice ... 1860: The existence of radio waves predicted. 1866: Demonstrated that rapid variations of electric current could be projected into space. We are grateful to our customers for enjoying the ride with us for the past century, and we're eager for the next hundred years. Time Flies. Enjoy the Ride ...