Kev tswj chaw taws teeb yog lub wireless transmitter, los ntawm cov thev naus laus zis thev naus laus zis thev naus laus zis, cov ntaub ntawv tseem ceeb yog encoded, los ntawm infrared diode emit lub teeb nthwv dej, lub teeb nthwv dej los ntawm lub receiver lub infrared receiver yuav tau txais cov ntaub ntawv infrared rau hauv cov ntaub ntawv hluav taws xob, mus rau hauv lub ...
Nyeem ntxiv