1 jan 1947 ano - TRANSISTOR RADIO

Descrição:

Description: A transistor radio is a small portable radio receiver that uses transistor-based circuitry.

History: Invented in 1947 by Texas Instruments
Following their development in 1954, made possible by the invention of the transistor in 1947, they became the most popular electronic communication device in history
Special Features: A pocket size of transistor radios

Uses:

Interaction/Exposure: The pocket size of transistor radios sparked a change in popular music listening habits, allowing people to listen to music anywhere they went. Beginning in the 1980s, however, cheap AM transistor radios were superseded by devices with higher audio quality such as portable CD players, personal audio players, boomboxes, and (eventually) smartphones, some of which contain radios themselves.