23 déc. 1947 - Transistor Radio
Description:
Small portable radio receiver that uses transistors in its circuits. 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 Brattain, and John Bardeen.Ajouté au bande de temps:
Date:
23 déc. 1947
Maintenaint
~ Il y a 77 ans