Ta yaya wani Crt duba

Ko ta yaya kada a gane shi ne lokacin da shelves kusan gaba daya bace talabijin da ke zaune a yanki dangane cathode-ray da fasaha. Ka tuna, waɗannan su ne amfani da tsauraran matakan da na'urorin cewa zauna kusan rabin na kwamfuta tebur. Shi ne yanzu da kauri ba safai ya wuce 10 cm, sa'an nan kawai da haske fitila. Ba mamaki, da yawa farin ciki manta abin da Crt duba. Amma to, bai wadãtar ba! Ko da yake, idan kawai domin shi ne gaba na har ma da latest ruwa-crystal takwarorinsu a wasu madaidaci.

Ta yaya ne Crt zaune a yanki

Da farko, bari deciphering abbreviations. Saboda haka, Kalmar "Crt" yana nufin electron katako ko, kamar yadda muka nuna a baya, da cathode tube (daga English Crt -. Cathode Ray-Tube). Yawancin lokaci, a lokacin da kalmar "tube" mafi yawan mutane suna Silinda, iyakar abin da babu wani bango. Baya daga gaskiyar cewa irin wannan Crt duba, shi wajibi ne in ambaci cewa a cikin wannan harka irin wannan misali shi ne ƙarya. Saboda siffar na tube a shi ne da nisa daga cylindrical jirgin sama da kuma kara zuwa daya gefen. Wannan surface wakiltar rabo daga gaban gilashi, daya a kan wadda images suna kafa. A ciki gefen wannan rabo mai rufi da musamman kayan - phosphor. Its musamman alama ne da cewa idan ta shiga cikin rafi na cajin barbashi a kan shi su sanadin motsi makamashi a wani halitta hanya yana tuba zuwa ga haske. Saboda haka, a Crt duba ne a na'urar a cikin abin da bim na electron bugo ciki na silhouetted hoto allo. Man gani da shi, godiya ga watsi da phosphor.

A gefe guda da flask aka sanya wani gungu na wayoyin, kira igwa. Sun haifar da wani rafi da barbashi.

A wasu kalmomin, da Crt duba kunshi wani gilashi tube-gun wayoyin da kuma kula da kewaye.

manufa na aiki

Kamar yadda aka sani, hadawa da wasu rabo daga cikin uku na farko launuka: kore, ja da blue - za ka iya samun duk wasu, ciki har da tabarau. A launi zaune a yanki dukan ciki surface na allo kunshi pixels, conventionally harhada a triads (tubalan 3 guda). Kowane daga cikinsu shi ne iya haskaka daya daga cikin na farko da launuka. Kuma uku wayoyin, kowanne daga abin da Highlights su "kansa" sharuddan. A wasu domin lighting da kuma wucewa da su a kan allo, shi ne mai yiwuwa a samar da wata launi image. Ba zato ba tsammani, da na'urar a baki da fari daya kawai gun.

Don sarrafa kwarara daga barbashi amfani electromagnetic deflection da farko shugabanci na motsi da aka halitta, saboda da m bambanci.

Tun a zahiri quite wuya a cimma, ta amfani na musamman yanke shawara daidaito na katako fadowa kan batu - mask. In mun gwada magana, wannan shi ne wani perforated Grid tsakanin allo da kuma bindigogi. Akwai daban-daban na masks. Jera su ne da alhakin nuni halaye (tsabta, siffar-pixel da maki).

Tun bayan da bugawa haske phosphor barbashi rage-rage sosai hanzari, kana bukatar ka kullum sake haifar da hoton. Duka a tsaye da kuma tsauri. Saboda haka haskoki zana a daki-daki image da dama, sau da biyu. Wannan shi ne sanannen hertz frame scanning. A mafi girma mita, cikin kasa m flicker.

A halin yanzu gyara CRTs for daga baya amfani a cikin kwamfuta tsarin zai zama da bai dace ba, kamar yadda na zamani LCD fasaha ne mafi alamar rahama. Togiya - wani takamaiman amfani.