Hana lōʻihi oLEDe hoʻoulu i ka ʻelemakule, ʻoi aku ka mana kiʻekiʻeLED, ʻoi aku ka koʻikoʻi o ka pilikia o ka pohō māmā. Ke ana ʻana i ke ola o LED, ʻaʻole lawa ka lawe ʻana i ka pōʻino o ka mālamalama e like me ka hopena o ke ola hōʻike LED. ʻOi aku ka maikaʻi o ka wehewehe ʻana i ke ola o ke alakaʻi ʻia e ka pākēneka attenuation māmā o LED, e like me 5% a i ʻole 10%.

Pohō māmā: i ka wā e hoʻouka ai i ka ʻili o ka pahu photosensitive, me ka hōʻiliʻili ʻana o ka uku ma ka ʻili o ka pahu photosensitive, hoʻonui pū ka hiki, a hiki i ka hiki ke "saturation", ʻo ia ka mea kiʻekiʻe loa. E emi ana ka hiki o ka ili me ka hala o ka manawa. ʻO ka maʻamau, ʻoi aku ka haʻahaʻa o ka hana ma mua o kēia hiki. ʻO ke kaʻina hana i hoʻemi maoli ʻia ka hiki i ka manawa ke kapa ʻia ke kaʻina "poho pōʻeleʻele". Ke nānā ʻia ka pahu kiʻi kiʻi a hōʻike ʻia, ʻo ka hiki o ka wahi ʻeleʻele (ka ʻili o ka photoconductor ʻaʻole i hoʻomālamalama ʻia e ka mālamalama) aia nō i ke kaʻina o ka pōʻeleʻele; Ma ka ʻāpana ʻālohilohi (ʻo ka ʻili o ka photoconductor i hoʻomālamalama ʻia e ka mālamalama), piʻi wikiwiki ka nui o ka mea lawe i ka papa photoconductive, piʻi wikiwiki ka conductivity, a hoʻokumu ʻia ka uila photoconductive, nalo koke ka uku, a me ka hiki o ka ʻili o ka photoconductor. emi koke. Kapa ʻia ʻo ia he “māmā” a lohi i ka hopena.