Patent ID: 6321869
Filing Date: 2001-11-27
Classification: B01D,G06F,H04R,H04S

Abstract:
A speaker system for personal computers, comprising:at least one speaker amplifying audio signals, output from a personal computer, to predetermined levels and stereophonically dividing the amplified audio signals, and outputting sounds having an audio frequency;a power supply unit used for supplying electric power for the speaker while converting and rectifying an input AC voltage into a desired level of DC voltage;a speaker power switch provided on a cabinet of said speaker for turning on or off the electric power for the speaker so as to selectively activate the speaker or for controlling output sound volume of the speaker;a drive fan provided within the speaker and rotated at a predetermined rpm when the speaker is turned on, said drive fan thus generating sucking force for forcibly sucking atmospheric air into the speaker; andan air filter installed around said drive fan within the speaker so as to filter off impurities from the sucked atmospheric air.