Event of the day: On August 7th, 1955, Tokyo Telecommunications Engineering, the precursor to Sony, started selling its first transistor radios in Japan Bell Laboratories demonstrated the first transistor on December 23, 1947.The scientific team at Bell Laboratories responsible for the solid-state amplifier included William Shockley, Walter Houser…
This Day in Patent History - On December 26, 1933, Edwin Armstrong was granted a patent for a two-path FM radio On December 26, 1933, Edwin Armstrong was granted a patent for a two-path FM radio. He has been called “the most prolific and influential inventor…