Protects your stuff from EM radiation and stuff, but is this really a concern in e.g. a PlayStation 2? Are they a relic from the past? Is there any proof of them harming electronics?
In: Technology
they do the same thing as a “tin foil room” also known as a miniature faraday cage.
they keep the electrical noise inside the cage.
or they keep noise out of a sensitive circuit.
the fcc rules have two classes of things: an intentional radiator, and an unintentional radiator
an intentional radiator is like a wakie-talkie or cellphone or wifi device it is suppose to transmit intentionally.
a radio, like the one in a car to play music or to listen to the news or your television is not purposely transmitting (radiating rf signals) but it does any way.
some times to stop or shield this you put it inside a metal box
when i was a kid i had a trs80 model 1 it ran at about 4mhz, my room was next to the living room. when i turned on the computer the damn color on the tv went bonkers.
this was a problem because on sunday my dad wanted to watch football, and i would goto my room to play on my computer.. and the tv went crazy so bad that my dad forbid me to use my computer when the football game was on.
later versions used a copper based paint on the inside of the computer case, but i had an early one that did not have this special paint.
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