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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…

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Transistor

Patent Information Publication number: US2524035 A Patent Title: Three-electrode circuit element utilizing semiconductive materials Publication type: Grant Publication date: Oct 3, 1950 Filing date: Jun…